<?php
ini_set('display_errors', 1);
error_reporting(E_ALL);

include('include/headscript.php');

$db  = DBHandlerSelect::getInstance();
$pdo = $db->getConnection();

function normalizeNullableInt($value): ?int
{
    return (isset($value) && $value !== '') ? (int)$value : null;
}

function normalizeIntArray($values): array
{
    if (!is_array($values)) {
        $values = $values !== null && $values !== '' ? [$values] : [];
    }

    return array_values(array_unique(array_filter(array_map('intval', $values))));
}

function validateJobSubRoles(PDO $pdo, array $jobSubRoleIds): array
{
    $jobSubRoleIds = normalizeIntArray($jobSubRoleIds);

    if (!$jobSubRoleIds) {
        return [];
    }

    $placeholders = implode(',', array_fill(0, count($jobSubRoleIds), '?'));

    $stmt = $pdo->prepare("
        SELECT jsr.id
        FROM job_sub_roles jsr
        INNER JOIN job_roles jr ON jr.id = jsr.job_role_id
        WHERE jsr.id IN ($placeholders)
          AND jsr.is_active = 1
          AND jr.is_active = 1
    ");
    $stmt->execute($jobSubRoleIds);

    $validIds = array_map('intval', $stmt->fetchAll(PDO::FETCH_COLUMN));
    sort($validIds);
    $requestedIds = $jobSubRoleIds;
    sort($requestedIds);

    if ($validIds !== $requestedIds) {
        throw new Exception('Una o più sottomansioni selezionate non sono valide o non sono attive.');
    }

    return $jobSubRoleIds;
}

function getPrimaryJobRoleAndSubRole(PDO $pdo, array $jobSubRoleIds): array
{
    $jobSubRoleIds = normalizeIntArray($jobSubRoleIds);

    if (!$jobSubRoleIds) {
        return [null, null];
    }

    $stmt = $pdo->prepare("
        SELECT job_role_id
        FROM job_sub_roles
        WHERE id = ?
        LIMIT 1
    ");
    $stmt->execute([$jobSubRoleIds[0]]);
    $jobRoleId = $stmt->fetchColumn();

    return [$jobRoleId !== false ? (int)$jobRoleId : null, (int)$jobSubRoleIds[0]];
}

function saveEmployeeSubRoles(PDO $pdo, int $employeeId, array $jobSubRoleIds): void
{
    $jobSubRoleIds = validateJobSubRoles($pdo, $jobSubRoleIds);

    $stmtDelete = $pdo->prepare("DELETE FROM employee_job_sub_roles WHERE employee_id = ?");
    $stmtDelete->execute([$employeeId]);

    if (!$jobSubRoleIds) {
        return;
    }

    $stmtInsert = $pdo->prepare("
        INSERT INTO employee_job_sub_roles
            (employee_id, job_sub_role_id, is_primary, created_at)
        VALUES
            (?, ?, ?, NOW())
    ");

    foreach ($jobSubRoleIds as $index => $jobSubRoleId) {
        $stmtInsert->execute([$employeeId, $jobSubRoleId, $index === 0 ? 1 : 0]);
    }
}

function getEmployeeSubRoleIds(PDO $pdo, int $employeeId): array
{
    $stmt = $pdo->prepare("
        SELECT job_sub_role_id
        FROM employee_job_sub_roles
        WHERE employee_id = ?
        ORDER BY is_primary DESC, id ASC
    ");
    $stmt->execute([$employeeId]);

    return array_map('intval', $stmt->fetchAll(PDO::FETCH_COLUMN));
}

function jsonResponse(array $data): void
{
    header('Content-Type: application/json; charset=utf-8');
    echo json_encode($data);
    exit;
}

function calculateExpiryDate(?int $validityMonths): ?string
{
    if ($validityMonths === null || $validityMonths <= 0) {
        return null;
    }

    return date('Y-m-d', strtotime('+' . $validityMonths . ' months'));
}

function getCurrentAuthUserId(): ?int
{
    $candidateVariables = ['iduserlogin', 'idUserLogin', 'authUserId', 'userid', 'user_id'];

    foreach ($candidateVariables as $variableName) {
        if (isset($GLOBALS[$variableName]) && (int)$GLOBALS[$variableName] > 0) {
            return (int)$GLOBALS[$variableName];
        }
    }

    if (isset($_SESSION['auth_user_id']) && (int)$_SESSION['auth_user_id'] > 0) {
        return (int)$_SESSION['auth_user_id'];
    }

    if (isset($_SESSION['user_id']) && (int)$_SESSION['user_id'] > 0) {
        return (int)$_SESSION['user_id'];
    }

    return null;
}

function assignPpeToEmployee(
    PDO $pdo,
    int $employeeId,
    array $ppeIds,
    string $notes = '',
    ?string $assignedDate = null,
    ?string $deliveredBy = null,
    ?int $createdBy = null
): int {
    $ppeIds = array_values(array_unique(array_filter(array_map('intval', $ppeIds))));

    if (!$ppeIds) {
        return 0;
    }

    $assignedDate = $assignedDate ?: date('Y-m-d');
    $deliveredBy = trim((string)$deliveredBy) !== '' ? trim((string)$deliveredBy) : null;
    $createdBy = $createdBy ?: getCurrentAuthUserId();

    $stmtPpe = $pdo->prepare("SELECT id, validity_months FROM ppe_items WHERE id = ? AND is_active = 1 LIMIT 1");
    $stmtExists = $pdo->prepare("
        SELECT COUNT(*)
        FROM employee_ppe_items
        WHERE employee_id = ?
          AND ppe_item_id = ?
          AND status = 'assigned'
          AND (expiry_date IS NULL OR expiry_date >= CURDATE())
    ");
    $stmtInsert = $pdo->prepare("
        INSERT INTO employee_ppe_items
            (employee_id, ppe_item_id, assigned_date, expiry_date, delivered_by, quantity, status, notes, created_by, created_at, updated_at)
        VALUES
            (:employee_id, :ppe_item_id, :assigned_date, :expiry_date, :delivered_by, 1, 'assigned', :notes, :created_by, NOW(), NOW())
    ");

    $inserted = 0;

    foreach ($ppeIds as $ppeId) {
        if ($ppeId <= 0) {
            continue;
        }

        $stmtPpe->execute([$ppeId]);
        $ppe = $stmtPpe->fetch(PDO::FETCH_ASSOC);

        if (!$ppe) {
            continue;
        }

        $stmtExists->execute([$employeeId, $ppeId]);

        if ((int)$stmtExists->fetchColumn() > 0) {
            continue;
        }

        $expiryDate = calculateExpiryDate(isset($ppe['validity_months']) ? (int)$ppe['validity_months'] : null);

        $stmtInsert->execute([
            'employee_id' => $employeeId,
            'ppe_item_id' => $ppeId,
            'assigned_date' => $assignedDate,
            'expiry_date' => $expiryDate,
            'delivered_by' => $deliveredBy,
            'notes' => $notes !== '' ? $notes : null,
            'created_by' => $createdBy,
        ]);

        $inserted++;
    }

    return $inserted;
}

/* ==========================================
   AJAX HANDLERS
   ========================================== */
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['ajax']) && $_POST['ajax'] == '1') {
    $action = $_POST['action'] ?? '';

    try {
        if ($action === 'add') {
            $employee_code    = trim($_POST['employee_code'] ?? '');
            $first_name       = trim($_POST['first_name'] ?? '');
            $last_name        = trim($_POST['last_name'] ?? '');
            $address          = trim($_POST['address'] ?? '');
            $phone            = trim($_POST['phone'] ?? '');
            $email            = trim($_POST['email'] ?? '');
            $department_id    = normalizeNullableInt($_POST['department_id'] ?? '');
            $job_sub_role_ids = validateJobSubRoles($pdo, $_POST['job_sub_role_ids'] ?? []);
            [$job_role_id, $job_sub_role_id] = getPrimaryJobRoleAndSubRole($pdo, $job_sub_role_ids);
            $hire_date        = trim($_POST['hire_date'] ?? '');
            $status           = trim($_POST['status'] ?? 'active');
            $auth_user_id     = normalizeNullableInt($_POST['auth_user_id'] ?? '');
            $role_id          = normalizeNullableInt($_POST['role_id'] ?? '');

            if ($first_name === '' || $last_name === '') {
                jsonResponse(['success' => false, 'message' => 'First name and Last name are required.']);
            }

            if ($email !== '' && !filter_var($email, FILTER_VALIDATE_EMAIL)) {
                jsonResponse(['success' => false, 'message' => 'Email non valida.']);
            }

            if (!in_array($status, ['active', 'inactive', 'suspended'], true)) {
                $status = 'active';
            }

            $sql = "INSERT INTO employees
                (auth_user_id, employee_code, first_name, last_name, address, phone, email,
                 department_id, job_role_id, job_sub_role_id, hire_date, status, created_at, updated_at)
                VALUES
                (:auth_user_id, :employee_code, :first_name, :last_name, :address, :phone, :email,
                 :department_id, :job_role_id, :job_sub_role_id, :hire_date, :status, NOW(), NOW())";
            $stmt = $pdo->prepare($sql);
            $stmt->execute([
                'auth_user_id'     => $auth_user_id,
                'employee_code'    => $employee_code !== '' ? $employee_code : null,
                'first_name'       => $first_name,
                'last_name'        => $last_name,
                'address'          => $address !== '' ? $address : null,
                'phone'            => $phone !== '' ? $phone : null,
                'email'            => $email !== '' ? $email : null,
                'department_id'    => $department_id,
                'job_role_id'      => $job_role_id,
                'job_sub_role_id'  => $job_sub_role_id,
                'hire_date'        => $hire_date !== '' ? $hire_date : null,
                'status'           => $status,
            ]);

            $employeeId = (int)$pdo->lastInsertId();
            saveEmployeeSubRoles($pdo, $employeeId, $job_sub_role_ids);

            if ($auth_user_id !== null && $role_id !== null) {
                $checkRole = $pdo->prepare("SELECT COUNT(*) FROM auth_roles WHERE id = ?");
                $checkRole->execute([$role_id]);

                if ((int)$checkRole->fetchColumn() > 0) {
                    $stmtRole = $pdo->prepare("UPDATE auth_users SET role_id = :role_id, updated_at = NOW() WHERE id = :auth_user_id");
                    $stmtRole->execute([
                        'role_id'      => $role_id,
                        'auth_user_id' => $auth_user_id,
                    ]);
                }
            }

            jsonResponse(['success' => true]);
        }

        if ($action === 'edit') {
            $id               = (int)($_POST['id'] ?? 0);
            $employee_code    = trim($_POST['employee_code'] ?? '');
            $first_name       = trim($_POST['first_name'] ?? '');
            $last_name        = trim($_POST['last_name'] ?? '');
            $address          = trim($_POST['address'] ?? '');
            $phone            = trim($_POST['phone'] ?? '');
            $email            = trim($_POST['email'] ?? '');
            $department_id    = normalizeNullableInt($_POST['department_id'] ?? '');
            $job_sub_role_ids = validateJobSubRoles($pdo, $_POST['job_sub_role_ids'] ?? []);
            [$job_role_id, $job_sub_role_id] = getPrimaryJobRoleAndSubRole($pdo, $job_sub_role_ids);
            $hire_date        = trim($_POST['hire_date'] ?? '');
            $status           = trim($_POST['status'] ?? 'active');
            $auth_user_id     = normalizeNullableInt($_POST['auth_user_id'] ?? '');
            $role_id          = normalizeNullableInt($_POST['role_id'] ?? '');

            if ($id <= 0) {
                jsonResponse(['success' => false, 'message' => 'Invalid employee ID.']);
            }

            if ($first_name === '' || $last_name === '') {
                jsonResponse(['success' => false, 'message' => 'First name and Last name are required.']);
            }

            if ($email !== '' && !filter_var($email, FILTER_VALIDATE_EMAIL)) {
                jsonResponse(['success' => false, 'message' => 'Email non valida.']);
            }

            if (!in_array($status, ['active', 'inactive', 'suspended'], true)) {
                $status = 'active';
            }

            $sql = "UPDATE employees
                    SET auth_user_id     = :auth_user_id,
                        employee_code    = :employee_code,
                        first_name       = :first_name,
                        last_name        = :last_name,
                        address          = :address,
                        phone            = :phone,
                        email            = :email,
                        department_id    = :department_id,
                        job_role_id      = :job_role_id,
                        job_sub_role_id  = :job_sub_role_id,
                        hire_date        = :hire_date,
                        status           = :status,
                        updated_at       = NOW()
                    WHERE id = :id";
            $stmt = $pdo->prepare($sql);
            $stmt->execute([
                'auth_user_id'     => $auth_user_id,
                'employee_code'    => $employee_code !== '' ? $employee_code : null,
                'first_name'       => $first_name,
                'last_name'        => $last_name,
                'address'          => $address !== '' ? $address : null,
                'phone'            => $phone !== '' ? $phone : null,
                'email'            => $email !== '' ? $email : null,
                'department_id'    => $department_id,
                'job_role_id'      => $job_role_id,
                'job_sub_role_id'  => $job_sub_role_id,
                'hire_date'        => $hire_date !== '' ? $hire_date : null,
                'status'           => $status,
                'id'               => $id,
            ]);

            saveEmployeeSubRoles($pdo, $id, $job_sub_role_ids);

            if ($auth_user_id !== null && $role_id !== null) {
                $checkRole = $pdo->prepare("SELECT COUNT(*) FROM auth_roles WHERE id = ?");
                $checkRole->execute([$role_id]);

                if ((int)$checkRole->fetchColumn() > 0) {
                    $stmtRole = $pdo->prepare("UPDATE auth_users SET role_id = :role_id, updated_at = NOW() WHERE id = :auth_user_id");
                    $stmtRole->execute([
                        'role_id'      => $role_id,
                        'auth_user_id' => $auth_user_id,
                    ]);
                }
            }

            jsonResponse(['success' => true]);
        }

        if ($action === 'delete') {
            $id = (int)($_POST['id'] ?? 0);

            if ($id <= 0) {
                jsonResponse(['success' => false, 'message' => 'Invalid employee ID.']);
            }

            $stmt = $pdo->prepare("DELETE FROM employees WHERE id = :id");
            $stmt->execute(['id' => $id]);

            jsonResponse(['success' => true]);
        }

        if ($action === 'get_employee_skills') {
            $id = (int)$_POST['id'];

            if ($id <= 0) {
                jsonResponse(['success' => false, 'message' => 'Invalid ID']);
            }

            $stmt = $pdo->prepare("SELECT skill_id, level FROM employee_skills WHERE employee_id = ?");
            $stmt->execute([$id]);
            $skills = [];

            while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
                $skills[$row['skill_id']] = $row['level'];
            }

            jsonResponse(['success' => true, 'skills' => $skills]);
        }

        if ($action === 'save_employee_skills') {
            $id = (int)$_POST['id'];
            $skills_json = $_POST['skills'] ?? '';
            $skills = json_decode($skills_json, true);

            if ($id <= 0 || !is_array($skills)) {
                jsonResponse(['success' => false, 'message' => 'Invalid data']);
            }

            $pdo->beginTransaction();
            $stmtDelete = $pdo->prepare("DELETE FROM employee_skills WHERE employee_id = ?");
            $stmtDelete->execute([$id]);

            $stmtInsert = $pdo->prepare("INSERT INTO employee_skills (employee_id, skill_id, level) VALUES (?, ?, ?)");
            foreach ($skills as $skill_id => $level) {
                $stmtInsert->execute([$id, (int)$skill_id, $level]);
            }

            $pdo->commit();
            jsonResponse(['success' => true]);
        }

        if ($action === 'get_employee_ppe') {
            $id = (int)($_POST['id'] ?? 0);

            if ($id <= 0) {
                jsonResponse(['success' => false, 'message' => 'Invalid employee ID.']);
            }

            $stmtEmp = $pdo->prepare("
                SELECT
                    e.id,
                    e.first_name,
                    e.last_name,
                    COALESCE(ejm.job_sub_role_ids, IF(e.job_sub_role_id IS NULL, '', CAST(e.job_sub_role_id AS CHAR))) AS job_sub_role_ids,
                    COALESCE(ejm.job_sub_role_names, jsr.name) AS job_sub_role_name
                FROM employees e
                LEFT JOIN (
                    SELECT
                        ejs.employee_id,
                        GROUP_CONCAT(DISTINCT jsr2.id ORDER BY jr2.name, jsr2.name SEPARATOR ',') AS job_sub_role_ids,
                        GROUP_CONCAT(DISTINCT jsr2.name ORDER BY jr2.name, jsr2.name SEPARATOR ', ') AS job_sub_role_names
                    FROM employee_job_sub_roles ejs
                    INNER JOIN job_sub_roles jsr2 ON jsr2.id = ejs.job_sub_role_id
                    INNER JOIN job_roles jr2 ON jr2.id = jsr2.job_role_id
                    GROUP BY ejs.employee_id
                ) ejm ON ejm.employee_id = e.id
                LEFT JOIN job_sub_roles jsr ON jsr.id = e.job_sub_role_id
                WHERE e.id = ?
                LIMIT 1
            ");
            $stmtEmp->execute([$id]);
            $employee = $stmtEmp->fetch(PDO::FETCH_ASSOC);

            if (!$employee) {
                jsonResponse(['success' => false, 'message' => 'Dipendente non trovato.']);
            }

            $jobSubRoleIds = [];
            if (!empty($employee['job_sub_role_ids'])) {
                $jobSubRoleIds = array_values(array_unique(array_filter(array_map('intval', explode(',', $employee['job_sub_role_ids'])))));
            }

            $requiredPpe = [];

            if ($jobSubRoleIds) {
                $placeholders = implode(',', array_fill(0, count($jobSubRoleIds), '?'));

                $stmtReq = $pdo->prepare("
                    SELECT
                        p.id AS ppe_item_id,
                        p.name AS ppe_name,
                        p.category,
                        p.photo,
                        p.standard_reference,
                        p.validity_months,
                        GROUP_CONCAT(DISTINCT jsr.name ORDER BY jsr.name SEPARATOR ', ') AS required_by_subroles
                    FROM job_sub_role_ppe_items jsp
                    INNER JOIN job_sub_roles jsr ON jsr.id = jsp.job_sub_role_id
                    INNER JOIN ppe_items p ON p.id = jsp.ppe_item_id
                    WHERE jsp.job_sub_role_id IN ($placeholders)
                      AND jsp.is_active = 1
                      AND p.is_active = 1
                    GROUP BY p.id, p.name, p.category, p.photo, p.standard_reference, p.validity_months
                    ORDER BY p.category ASC, p.name ASC
                ");
                $stmtReq->execute($jobSubRoleIds);
                $requiredPpe = $stmtReq->fetchAll(PDO::FETCH_ASSOC);
            }

            $stmtAssigned = $pdo->prepare("
                SELECT
                    epi.id AS assignment_id,
                    epi.ppe_item_id,
                    epi.assigned_date,
                    epi.expiry_date,
                    epi.delivered_by,
                    epi.quantity,
                    epi.status,
                    epi.notes,
                    p.name AS ppe_name,
                    p.category,
                    p.photo,
                    p.standard_reference
                FROM employee_ppe_items epi
                INNER JOIN ppe_items p ON p.id = epi.ppe_item_id
                WHERE epi.employee_id = ?
                ORDER BY FIELD(epi.status, 'assigned', 'expired', 'damaged', 'lost', 'returned'), p.name ASC
            ");
            $stmtAssigned->execute([$id]);
            $assignedPpe = $stmtAssigned->fetchAll(PDO::FETCH_ASSOC);

            $assignedActiveMap = [];
            foreach ($assignedPpe as $a) {
                $isActiveAssignment = ($a['status'] === 'assigned') && (empty($a['expiry_date']) || $a['expiry_date'] >= date('Y-m-d'));
                if ($isActiveAssignment) {
                    $assignedActiveMap[(int)$a['ppe_item_id']] = $a;
                }
            }

            $requiredStatus = [];
            foreach ($requiredPpe as $r) {
                $ppeId = (int)$r['ppe_item_id'];
                $assignedRow = $assignedActiveMap[$ppeId] ?? null;
                $requiredStatus[] = [
                    'ppe_item_id' => $ppeId,
                    'ppe_name' => $r['ppe_name'],
                    'category' => $r['category'],
                    'standard_reference' => $r['standard_reference'],
                    'validity_months' => $r['validity_months'],
                    'required_by_subroles' => $r['required_by_subroles'] ?? '',
                    'is_assigned' => $assignedRow !== null,
                    'assignment' => $assignedRow,
                ];
            }

            jsonResponse([
                'success' => true,
                'employee' => $employee,
                'required_ppe' => $requiredStatus,
                'assigned_ppe' => $assignedPpe,
            ]);
        }

        if ($action === 'assign_missing_employee_ppe') {
            $id = (int)($_POST['id'] ?? 0);
            $selectedPpeIds = $_POST['ppe_ids'] ?? [];

            if ($id <= 0) {
                jsonResponse(['success' => false, 'message' => 'Invalid employee ID.']);
            }

            $stmtEmp = $pdo->prepare("SELECT id FROM employees WHERE id = ? LIMIT 1");
            $stmtEmp->execute([$id]);
            $employee = $stmtEmp->fetch(PDO::FETCH_ASSOC);

            if (!$employee) {
                jsonResponse(['success' => false, 'message' => 'Dipendente non trovato.']);
            }

            $jobSubRoleIds = getEmployeeSubRoleIds($pdo, $id);

            if (!$jobSubRoleIds) {
                $stmtLegacy = $pdo->prepare("SELECT job_sub_role_id FROM employees WHERE id = ? AND job_sub_role_id IS NOT NULL LIMIT 1");
                $stmtLegacy->execute([$id]);
                $legacySubRoleId = $stmtLegacy->fetchColumn();
                if ($legacySubRoleId) {
                    $jobSubRoleIds = [(int)$legacySubRoleId];
                }
            }

            if (!$jobSubRoleIds) {
                jsonResponse(['success' => false, 'message' => 'Il dipendente non ha sottomansioni collegate.']);
            }

            $placeholders = implode(',', array_fill(0, count($jobSubRoleIds), '?'));

            $stmtReq = $pdo->prepare("
                SELECT DISTINCT p.id
                FROM job_sub_role_ppe_items jsp
                INNER JOIN ppe_items p ON p.id = jsp.ppe_item_id
                WHERE jsp.job_sub_role_id IN ($placeholders)
                  AND jsp.is_active = 1
                  AND p.is_active = 1
            ");
            $stmtReq->execute($jobSubRoleIds);
            $requiredIds = array_map('intval', $stmtReq->fetchAll(PDO::FETCH_COLUMN));

            if (!$selectedPpeIds) {
                $selectedPpeIds = $requiredIds;
            } else {
                $selectedPpeIds = array_values(array_intersect(array_map('intval', $selectedPpeIds), $requiredIds));
            }

            $assignedDate = trim($_POST['assigned_date'] ?? '') ?: date('Y-m-d');
            $deliveredBy = trim($_POST['delivered_by'] ?? '');
            $notes = trim($_POST['notes'] ?? '');

            $inserted = assignPpeToEmployee(
                $pdo,
                $id,
                $selectedPpeIds,
                $notes !== '' ? $notes : 'Assegnato automaticamente dalle sottomansioni.',
                $assignedDate,
                $deliveredBy
            );

            jsonResponse(['success' => true, 'message' => 'DPI obbligatori assegnati: ' . $inserted]);
        }

        if ($action === 'assign_employee_ppe') {
            $id = (int)($_POST['id'] ?? 0);
            $ppeIds = $_POST['ppe_ids'] ?? [];
            $assignedDate = trim($_POST['assigned_date'] ?? '') ?: date('Y-m-d');
            $deliveredBy = trim($_POST['delivered_by'] ?? '');
            $notes = trim($_POST['notes'] ?? '');

            if ($id <= 0) {
                jsonResponse(['success' => false, 'message' => 'Invalid employee ID.']);
            }

            $stmtEmp = $pdo->prepare("SELECT id FROM employees WHERE id = ? LIMIT 1");
            $stmtEmp->execute([$id]);

            if (!$stmtEmp->fetchColumn()) {
                jsonResponse(['success' => false, 'message' => 'Dipendente non trovato.']);
            }

            $inserted = assignPpeToEmployee(
                $pdo,
                $id,
                $ppeIds,
                $notes !== '' ? $notes : 'Assegnato manualmente.',
                $assignedDate,
                $deliveredBy
            );

            jsonResponse(['success' => true, 'message' => 'DPI assegnati: ' . $inserted]);
        }

        if ($action === 'remove_employee_ppe') {
            $assignmentId = (int)($_POST['assignment_id'] ?? 0);
            $employeeId = (int)($_POST['employee_id'] ?? 0);

            if ($assignmentId <= 0 || $employeeId <= 0) {
                jsonResponse(['success' => false, 'message' => 'Dati DPI non validi.']);
            }

            $stmt = $pdo->prepare("
                UPDATE employee_ppe_items
                SET status = 'returned',
                    updated_at = NOW()
                WHERE id = ?
                  AND employee_id = ?
                  AND status = 'assigned'
            ");
            $stmt->execute([$assignmentId, $employeeId]);

            jsonResponse(['success' => true, 'message' => 'DPI rimosso dal dipendente.']);
        }

        if ($action === 'assign_bulk_employee_ppe') {
            $employeeIds = $_POST['employee_ids'] ?? [];
            $ppeIds = $_POST['ppe_ids'] ?? [];
            $assignedDate = trim($_POST['assigned_date'] ?? '') ?: date('Y-m-d');
            $deliveredBy = trim($_POST['delivered_by'] ?? '');
            $notes = trim($_POST['notes'] ?? '');

            $employeeIds = array_values(array_unique(array_filter(array_map('intval', $employeeIds))));

            if (!$employeeIds || !$ppeIds) {
                jsonResponse(['success' => false, 'message' => 'Seleziona almeno un dipendente e almeno un DPI.']);
            }

            $totalInserted = 0;

            foreach ($employeeIds as $employeeId) {
                $totalInserted += assignPpeToEmployee(
                    $pdo,
                    $employeeId,
                    $ppeIds,
                    $notes !== '' ? $notes : 'Assegnazione DPI multipla.',
                    $assignedDate,
                    $deliveredBy
                );
            }

            jsonResponse(['success' => true, 'message' => 'Assegnazioni DPI create: ' . $totalInserted]);
        }

        jsonResponse(['success' => false, 'message' => 'Unknown action.']);
    } catch (Exception $e) {
        if ($pdo->inTransaction()) {
            $pdo->rollBack();
        }

        jsonResponse(['success' => false, 'message' => $e->getMessage()]);
    }
}

/* ==========================================
   PAGE DATA
   ========================================== */
$sql = "
    SELECT e.*,
           d.name AS department_name,
           d.color AS department_color,
           COALESCE(ejm.job_role_names, jr.name) AS job_role_name,
           COALESCE(ejm.job_sub_role_names, jsr.name) AS job_sub_role_name,
           COALESCE(ejm.job_sub_role_ids, IF(e.job_sub_role_id IS NULL, '', CAST(e.job_sub_role_id AS CHAR))) AS job_sub_role_ids,
           au.email AS user_email,
           au.role_id AS user_role_id,
           ar.display_name AS role_display_name,
           ar.name AS role_name,
           CONCAT(COALESCE(au.first_name, ''), ' ', COALESCE(au.last_name, '')) AS user_fullname
    FROM employees e
    LEFT JOIN departments d ON e.department_id = d.id
    LEFT JOIN (
        SELECT
            ejs.employee_id,
            GROUP_CONCAT(DISTINCT jr2.name ORDER BY jr2.name SEPARATOR ', ') AS job_role_names,
            GROUP_CONCAT(DISTINCT jsr2.name ORDER BY jr2.name, jsr2.name SEPARATOR ', ') AS job_sub_role_names,
            GROUP_CONCAT(DISTINCT jsr2.id ORDER BY jr2.name, jsr2.name SEPARATOR ',') AS job_sub_role_ids
        FROM employee_job_sub_roles ejs
        INNER JOIN job_sub_roles jsr2 ON jsr2.id = ejs.job_sub_role_id
        INNER JOIN job_roles jr2 ON jr2.id = jsr2.job_role_id
        GROUP BY ejs.employee_id
    ) ejm ON ejm.employee_id = e.id
    LEFT JOIN job_roles jr  ON jr.id = e.job_role_id
    LEFT JOIN job_sub_roles jsr ON jsr.id = e.job_sub_role_id
    LEFT JOIN auth_users au ON e.auth_user_id = au.id
    LEFT JOIN auth_roles ar ON ar.id = au.role_id
    ORDER BY e.id DESC
";
$stmtEmployees = $pdo->query($sql);
$employees = $stmtEmployees->fetchAll(PDO::FETCH_ASSOC);

$employeesForSelect = $pdo->query("
    SELECT id, first_name, last_name, employee_code, department_id
    FROM employees
    ORDER BY last_name, first_name
")->fetchAll(PDO::FETCH_ASSOC);

$jobRoles = $pdo->query("
    SELECT id, name FROM job_roles WHERE is_active = 1 ORDER BY sort_order, name
")->fetchAll(PDO::FETCH_ASSOC);

$jobSubRoles = $pdo->query("
    SELECT jsr.id, jsr.job_role_id, jsr.name, jr.name AS job_role_name
    FROM job_sub_roles jsr
    INNER JOIN job_roles jr ON jr.id = jsr.job_role_id
    WHERE jsr.is_active = 1
      AND jr.is_active = 1
    ORDER BY jr.sort_order ASC, jr.name ASC, jsr.sort_order ASC, jsr.name ASC
")->fetchAll(PDO::FETCH_ASSOC);

$jobSubRolesByRole = [];
foreach ($jobSubRoles as $subRole) {
    $jobSubRolesByRole[(int)$subRole['job_role_id']][] = [
        'id' => (int)$subRole['id'],
        'name' => $subRole['name'],
        'job_role_name' => $subRole['job_role_name'],
    ];
}

$ppeItems = $pdo->query("
    SELECT id, name, category, standard_reference
    FROM ppe_items
    WHERE is_active = 1
    ORDER BY category ASC, name ASC
")->fetchAll(PDO::FETCH_ASSOC);

$sqlUsers = "
    SELECT id,
           role_id,
           CONCAT(
               COALESCE(first_name, ''),
               ' ',
               COALESCE(last_name, ''),
               ' (',
               email,
               ')'
           ) AS label
    FROM auth_users
    ORDER BY first_name, last_name, email
";
$users = $pdo->query($sqlUsers)->fetchAll(PDO::FETCH_ASSOC);

$sqlRoles = "
    SELECT id, name, display_name
    FROM auth_roles
    ORDER BY display_name, name
";
$authRoles = $pdo->query($sqlRoles)->fetchAll(PDO::FETCH_ASSOC);

$sqlDepartments = "
    SELECT id, name, code, color
    FROM departments
    WHERE is_active = 1
    ORDER BY sort_order ASC, name ASC
";
$departments = $pdo->query($sqlDepartments)->fetchAll(PDO::FETCH_ASSOC);

$sqlSkills = "
    SELECT s.id, s.name, pl.name as line_name, pl.line_number
    FROM skills s
    LEFT JOIN production_lines pl ON s.production_line_id = pl.id
    ORDER BY IFNULL(pl.line_number, 999), s.name
";
$allSkills = $pdo->query($sqlSkills)->fetchAll(PDO::FETCH_ASSOC);
?>

<!doctype html>
<html lang="it">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="icon" href="assets/images/favicon-32x32.png" type="image/png" />
    <?php include('cssinclude.php'); ?>
    <title>Gestione Dipendenti - <?= htmlspecialchars($titlewebsite, ENT_QUOTES, 'UTF-8'); ?></title>

    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>

    <link rel="stylesheet" href="https://cdn.datatables.net/1.13.6/css/dataTables.bootstrap5.min.css">
    <script src="https://cdn.datatables.net/1.13.6/js/jquery.dataTables.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.6/js/dataTables.bootstrap5.min.js"></script>

    <link href="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css" rel="stylesheet" />
    <link href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" rel="stylesheet" />
    <script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.full.min.js"></script>

    <style>
        body {
            font-size: 1.05rem;
            background: #f8fafc;
        }

        .card {
            border-radius: 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .back-dashboard {
            background-color: #cfe3ff !important;
            color: #1f2d3d !important;
            border: 1px solid #bcd4f4 !important;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            padding: 10px 18px;
            box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
            transition: all 0.2s ease-in-out;
        }

        .back-dashboard:hover {
            background-color: #b9d3ff !important;
            transform: translateY(-2px);
        }

        .btn-add {
            background-color: #0d6efd;
            color: #fff;
            border-radius: 8px;
            padding: 10px 20px;
            font-weight: 500;
            transition: all 0.2s ease-in-out;
        }

        .btn-add:hover {
            background-color: #0b5ed7;
            transform: scale(1.02);
        }

        .table thead {
            background-color: #cfe3ff;
            color: #1f2d3d;
        }

        .modal-content {
            border-radius: 16px;
        }

        #tabellaDipendenti thead th {
            text-align: center;
            vertical-align: middle;
        }

        .badge-status {
            padding: 0.25rem 0.6rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .badge-status.active {
            background-color: #d1fae5;
            color: #065f46;
        }

        .badge-status.inactive {
            background-color: #e5e7eb;
            color: #374151;
        }

        .badge-status.suspended {
            background-color: #fee2e2;
            color: #b91c1c;
        }

        .btn-matrix {
            background-color: #198754;
            color: #fff;
            border-radius: 8px;
            padding: 10px 20px;
            font-weight: 500;
            transition: all 0.2s ease-in-out;
            margin-right: 10px;
        }

        .btn-matrix:hover {
            background-color: #157347;
            transform: scale(1.02);
        }

        .department-badge {
            display: inline-block;
            color: #fff;
            padding: 0.25rem 0.6rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .job-subrole-text {
            color: #64748b;
            font-size: 0.86rem;
        }

        .ppe-required-card {
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            padding: 12px;
            margin-bottom: 10px;
            background: #ffffff;
        }

        .ppe-required-card.missing {
            border-color: #fecaca;
            background: #fff7f7;
        }

        .ppe-required-card.assigned {
            border-color: #bbf7d0;
            background: #f0fdf4;
        }

        .ppe-status-pill {
            border-radius: 999px;
            padding: 4px 10px;
            font-size: 0.78rem;
            font-weight: 700;
        }

        .ppe-status-pill.missing {
            background: #fee2e2;
            color: #991b1b;
        }

        .ppe-status-pill.assigned {
            background: #dcfce7;
            color: #166534;
        }

        .modal-employee-ppe {
            max-width: 95vw;
            width: 95vw;
        }

        #employeePpeModal .modal-body {
            max-height: 78vh;
            overflow-y: auto;
        }

        #employeePpeModal .modal-content {
            border-radius: 18px;
        }
    </style>
</head>

<body>
    <div class="wrapper" id="appWrapper">
        <?php include('include/navbar.php'); ?>
        <?php include('include/topbar.php'); ?>

        <div class="page-wrapper">
            <div class="page-content">
                <div class="card p-3">
                    <div class="card-header d-flex justify-content-between align-items-center">
                        <h5 class="mb-0">Gestione Dipendenti</h5>
                        <button type="button" class="btn back-dashboard" onclick="location.href='production_dashboard.php'">
                            ↩️ Torna alla Dashboard
                        </button>
                    </div>

                    <div class="card-body">
                        <div class="d-flex justify-content-between align-items-center mb-3">
                            <h6 class="fw-semibold mb-0">Elenco Completo</h6>
                            <div>
                                <button class="btn btn-matrix" onclick="location.href='skill_matrix.php'">
                                    📊 Matrice Skills
                                </button>
                                <button type="button" class="btn btn-matrix" id="btnBulkPpe" data-bs-toggle="modal" data-bs-target="#bulkPpeModal">
                                    🦺 Assegna DPI
                                </button>
                                <button class="btn btn-add" data-bs-toggle="modal" data-bs-target="#addEmployeeModal">
                                    ➕ Aggiungi Dipendente
                                </button>
                            </div>
                        </div>

                        <div class="table-responsive">
                            <table id="tabellaDipendenti" class="table table-striped align-middle text-center" style="width:100%;">
                                <thead>
                                    <tr>
                                        <th>Codice</th>
                                        <th>Nome</th>
                                        <th>Contatti</th>
                                        <th>Reparto</th>
                                        <th>Mansioni / Sottomansioni</th>
                                        <th>Data Assunzione</th>
                                        <th>Stato</th>
                                        <th>Azioni</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    <?php foreach ($employees as $row): ?>
                                        <?php
                                        $fullName = trim(($row['first_name'] ?? '') . ' ' . ($row['last_name'] ?? ''));
                                        $hireDate = $row['hire_date'] && $row['hire_date'] !== '0000-00-00'
                                            ? date('d/m/Y', strtotime($row['hire_date']))
                                            : '-';

                                        $status = $row['status'] ?? 'active';
                                        $statusClass = $status;
                                        $statusLabel = ucfirst($status);

                                        $linkedUser = '-';
                                        if (!empty($row['user_email'])) {
                                            $labelName = trim($row['user_fullname']);
                                            if ($labelName !== '') {
                                                $linkedUser = htmlspecialchars($labelName . ' (' . $row['user_email'] . ')');
                                            } else {
                                                $linkedUser = htmlspecialchars($row['user_email']);
                                            }
                                        }
                                        ?>
                                        <tr>
                                            <td><?= htmlspecialchars($row['employee_code'] ?? '') ?></td>
                                            <td>
                                                <a href="employee-profile.php?id=<?= (int)$row['id'] ?>" class="fw-semibold text-decoration-none">
                                                    <?= htmlspecialchars($fullName) ?>
                                                </a>
                                            </td>
                                            <td class="text-start">
                                                <?php if (!empty($row['email'])): ?>
                                                    <a href="mailto:<?= htmlspecialchars($row['email'], ENT_QUOTES) ?>" class="text-decoration-none small">
                                                        ✉️ <?= htmlspecialchars($row['email']) ?>
                                                    </a><br>
                                                <?php endif; ?>
                                                <?php if (!empty($row['phone'])): ?>
                                                    <a href="tel:<?= htmlspecialchars($row['phone'], ENT_QUOTES) ?>" class="text-decoration-none small">
                                                        📞 <?= htmlspecialchars($row['phone']) ?>
                                                    </a>
                                                <?php endif; ?>
                                                <?php if (empty($row['email']) && empty($row['phone'])): ?>-<?php endif; ?>
                                            </td>
                                            <td>
                                                <?php if (!empty($row['department_name'])): ?>
                                                    <span class="department-badge" style="background-color: <?= htmlspecialchars($row['department_color'] ?? '#6c757d', ENT_QUOTES) ?>;">
                                                        <?= htmlspecialchars($row['department_name']) ?>
                                                    </span>
                                                <?php else: ?>
                                                    -
                                                <?php endif; ?>
                                            </td>
                                            <td>
                                                <div><?= !empty($row['job_role_name']) ? htmlspecialchars($row['job_role_name']) : '-' ?></div>
                                                <div class="job-subrole-text">
                                                    <?= !empty($row['job_sub_role_name']) ? htmlspecialchars($row['job_sub_role_name']) : 'Nessuna sottomansione' ?>
                                                </div>
                                            </td>
                                            <td><?= $hireDate ?></td>
                                            <td>
                                                <span class="badge-status <?= htmlspecialchars($statusClass, ENT_QUOTES) ?>">
                                                    <?= htmlspecialchars($statusLabel) ?>
                                                </span>
                                            </td>
                                            <td>
                                                <button
                                                    class="btn btn-sm btn-outline-secondary edit-employee mb-1"
                                                    data-id="<?= (int)$row['id'] ?>"
                                                    data-code="<?= htmlspecialchars($row['employee_code'] ?? '', ENT_QUOTES) ?>"
                                                    data-first_name="<?= htmlspecialchars($row['first_name'] ?? '', ENT_QUOTES) ?>"
                                                    data-last_name="<?= htmlspecialchars($row['last_name'] ?? '', ENT_QUOTES) ?>"
                                                    data-department_id="<?= $row['department_id'] !== null ? (int)$row['department_id'] : '' ?>"
                                                    data-job_sub_role_ids="<?= htmlspecialchars($row['job_sub_role_ids'] ?? '', ENT_QUOTES) ?>"
                                                    data-address="<?= htmlspecialchars($row['address'] ?? '', ENT_QUOTES) ?>"
                                                    data-phone="<?= htmlspecialchars($row['phone'] ?? '', ENT_QUOTES) ?>"
                                                    data-email="<?= htmlspecialchars($row['email'] ?? '', ENT_QUOTES) ?>"
                                                    data-hire_date="<?= htmlspecialchars($row['hire_date'] ?? '', ENT_QUOTES) ?>"
                                                    data-status="<?= htmlspecialchars($status, ENT_QUOTES) ?>"
                                                    data-auth_user_id="<?= $row['auth_user_id'] !== null ? (int)$row['auth_user_id'] : '' ?>"
                                                    data-role_id="<?= $row['user_role_id'] !== null ? (int)$row['user_role_id'] : '' ?>">
                                                    ✏️ Modifica
                                                </button>

                                                <button
                                                    class="btn btn-sm btn-outline-primary manage-employee-ppe mb-1"
                                                    data-id="<?= (int)$row['id'] ?>"
                                                    data-name="<?= htmlspecialchars($fullName, ENT_QUOTES) ?>">
                                                    🦺 DPI
                                                </button>

                                                <button
                                                    class="btn btn-sm btn-outline-info manage-skills mb-1"
                                                    data-id="<?= (int)$row['id'] ?>"
                                                    data-name="<?= htmlspecialchars($fullName, ENT_QUOTES) ?>">
                                                    🛠️ Skills
                                                </button>

                                                <button
                                                    class="btn btn-sm btn-outline-danger delete-employee mb-1"
                                                    data-id="<?= (int)$row['id'] ?>"
                                                    data-name="<?= htmlspecialchars($fullName, ENT_QUOTES) ?>">
                                                    🗑️ Cancella
                                                </button>
                                            </td>
                                        </tr>
                                    <?php endforeach; ?>
                                </tbody>
                            </table>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <?php include('include/footer.php'); ?>
    </div>

    <!-- MODALE AGGIUNTA DIPENDENTE -->
    <div class="modal fade" id="addEmployeeModal" tabindex="-1">
        <div class="modal-dialog modal-lg modal-dialog-centered">
            <div class="modal-content">
                <div class="modal-header" style="background-color:#cfe3ff;">
                    <h5 class="modal-title">Aggiungi Nuovo Dipendente</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>

                <div class="modal-body">
                    <form id="addEmployeeForm">
                        <div class="mb-3">
                            <label class="form-label fw-semibold">Codice Dipendente</label>
                            <input type="text" class="form-control" id="addEmployeeCode" name="employee_code" placeholder="Opzionale">
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Nome</label>
                                <input type="text" class="form-control" id="addFirstName" name="first_name" required>
                            </div>
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Cognome</label>
                                <input type="text" class="form-control" id="addLastName" name="last_name" required>
                            </div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label fw-semibold">Indirizzo</label>
                            <input type="text" class="form-control" id="addAddress" name="address" placeholder="Via, città, CAP">
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Telefono</label>
                                <input type="tel" class="form-control" id="addPhone" name="phone">
                            </div>
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Email</label>
                                <input type="email" class="form-control" id="addEmail" name="email">
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Reparto</label>
                                <select class="form-select" id="addDepartmentId" name="department_id" style="width:100%;">
                                    <option value="">-- Nessuno --</option>
                                    <?php foreach ($departments as $d): ?>
                                        <option value="<?= (int)$d['id'] ?>">
                                            <?= htmlspecialchars($d['name']) ?><?= !empty($d['code']) ? ' (' . htmlspecialchars($d['code']) . ')' : '' ?>
                                        </option>
                                    <?php endforeach; ?>
                                </select>
                            </div>
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Data Assunzione</label>
                                <input type="date" class="form-control" id="addHireDate" name="hire_date">
                            </div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label fw-semibold">Sottomansioni</label>
                            <select class="form-select" id="addJobSubRoleIds" name="job_sub_role_ids[]" multiple style="width:100%;">
                                <?php
                                $currentGroup = null;
                                foreach ($jobSubRoles as $subRole):
                                    if ($currentGroup !== $subRole['job_role_name']):
                                        if ($currentGroup !== null): ?>
                                            </optgroup>
                                        <?php endif;
                                        $currentGroup = $subRole['job_role_name']; ?>
                                        <optgroup label="<?= htmlspecialchars($currentGroup, ENT_QUOTES, 'UTF-8') ?>">
                                        <?php endif; ?>
                                        <option value="<?= (int)$subRole['id'] ?>">
                                            <?= htmlspecialchars($subRole['name'], ENT_QUOTES, 'UTF-8') ?>
                                        </option>
                                    <?php endforeach;
                                if ($currentGroup !== null): ?>
                                        </optgroup>
                                    <?php endif; ?>
                            </select>
                            <small class="text-muted">Puoi selezionare più sottomansioni anche appartenenti a mansioni diverse.</small>
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Stato</label>
                                <select class="form-select" id="addStatus" name="status">
                                    <option value="active" selected>Attivo</option>
                                    <option value="inactive">Cessato</option>
                                    <option value="suspended">Sospeso</option>
                                </select>
                            </div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label fw-semibold">Utente collegato (account login)</label>
                            <select class="form-select" id="addAuthUserId" name="auth_user_id" style="width:100%;">
                                <option value="">-- Nessuno --</option>
                                <?php foreach ($users as $u): ?>
                                    <option value="<?= (int)$u['id'] ?>" data-role_id="<?= (int)$u['role_id'] ?>">
                                        <?= htmlspecialchars($u['label']) ?>
                                    </option>
                                <?php endforeach; ?>
                            </select>
                        </div>

                        <div class="mb-3 d-none" id="addRoleWrapper">
                            <label class="form-label fw-semibold">Ruolo di accesso</label>
                            <select class="form-select" id="addRoleId" name="role_id" style="width:100%;">
                                <option value="">-- Seleziona ruolo --</option>
                                <?php foreach ($authRoles as $r): ?>
                                    <option value="<?= (int)$r['id'] ?>">
                                        <?= htmlspecialchars($r['display_name'] ?: $r['name']) ?>
                                    </option>
                                <?php endforeach; ?>
                            </select>
                            <small class="text-muted">Visibile solo quando è collegato un utente di sistema.</small>
                        </div>

                        <div class="text-center">
                            <button type="submit" class="btn btn-add">💾 Save</button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>

    <!-- MODALE EDIT DIPENDENTE -->
    <div class="modal fade" id="editEmployeeModal" tabindex="-1">
        <div class="modal-dialog modal-lg modal-dialog-centered">
            <div class="modal-content">
                <div class="modal-header" style="background-color:#cfe3ff;">
                    <h5 class="modal-title">Modifica Dipendente</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>

                <div class="modal-body">
                    <form id="editEmployeeForm">
                        <input type="hidden" id="editEmployeeId">

                        <div class="mb-3">
                            <label class="form-label fw-semibold">Codice Dipendente</label>
                            <input type="text" class="form-control" id="editEmployeeCode" name="employee_code" placeholder="Opzionale">
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Nome</label>
                                <input type="text" class="form-control" id="editFirstName" name="first_name" required>
                            </div>
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Cognome</label>
                                <input type="text" class="form-control" id="editLastName" name="last_name" required>
                            </div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label fw-semibold">Indirizzo</label>
                            <input type="text" class="form-control" id="editAddress" name="address">
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Telefono</label>
                                <input type="tel" class="form-control" id="editPhone" name="phone">
                            </div>
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Email</label>
                                <input type="email" class="form-control" id="editEmail" name="email">
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Reparto</label>
                                <select class="form-select" id="editDepartmentId" name="department_id" style="width:100%;">
                                    <option value="">-- Nessuno --</option>
                                    <?php foreach ($departments as $d): ?>
                                        <option value="<?= (int)$d['id'] ?>">
                                            <?= htmlspecialchars($d['name']) ?><?= !empty($d['code']) ? ' (' . htmlspecialchars($d['code']) . ')' : '' ?>
                                        </option>
                                    <?php endforeach; ?>
                                </select>
                            </div>
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Data Assunzione</label>
                                <input type="date" class="form-control" id="editHireDate" name="hire_date">
                            </div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label fw-semibold">Sottomansioni</label>
                            <select class="form-select" id="editJobSubRoleIds" name="job_sub_role_ids[]" multiple style="width:100%;">
                                <?php
                                $currentGroup = null;
                                foreach ($jobSubRoles as $subRole):
                                    if ($currentGroup !== $subRole['job_role_name']):
                                        if ($currentGroup !== null): ?>
                                            </optgroup>
                                        <?php endif;
                                        $currentGroup = $subRole['job_role_name']; ?>
                                        <optgroup label="<?= htmlspecialchars($currentGroup, ENT_QUOTES, 'UTF-8') ?>">
                                        <?php endif; ?>
                                        <option value="<?= (int)$subRole['id'] ?>">
                                            <?= htmlspecialchars($subRole['name'], ENT_QUOTES, 'UTF-8') ?>
                                        </option>
                                    <?php endforeach;
                                if ($currentGroup !== null): ?>
                                        </optgroup>
                                    <?php endif; ?>
                            </select>
                            <small class="text-muted">Puoi selezionare più sottomansioni anche appartenenti a mansioni diverse.</small>
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label class="form-label fw-semibold">Stato</label>
                                <select class="form-select" id="editStatus" name="status">
                                    <option value="active">Attivo</option>
                                    <option value="inactive">Cessato</option>
                                    <option value="suspended">Sospeso</option>
                                </select>
                            </div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label fw-semibold">Utente collegato (account login)</label>
                            <select class="form-select" id="editAuthUserId" name="auth_user_id" style="width:100%;">
                                <option value="">-- Nessuno --</option>
                                <?php foreach ($users as $u): ?>
                                    <option value="<?= (int)$u['id'] ?>" data-role_id="<?= (int)$u['role_id'] ?>">
                                        <?= htmlspecialchars($u['label']) ?>
                                    </option>
                                <?php endforeach; ?>
                            </select>
                        </div>

                        <div class="mb-3 d-none" id="editRoleWrapper">
                            <label class="form-label fw-semibold">Ruolo di accesso</label>
                            <select class="form-select" id="editRoleId" name="role_id" style="width:100%;">
                                <option value="">-- Seleziona ruolo --</option>
                                <?php foreach ($authRoles as $r): ?>
                                    <option value="<?= (int)$r['id'] ?>">
                                        <?= htmlspecialchars($r['display_name'] ?: $r['name']) ?>
                                    </option>
                                <?php endforeach; ?>
                            </select>
                            <small class="text-muted">Visibile solo quando è collegato un utente di sistema.</small>
                        </div>

                        <div class="text-center">
                            <button type="submit" class="btn btn-add">💾 Save Changes</button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>

    <!-- MODALE GESTIONE SKILLS -->
    <div class="modal fade" id="manageSkillsModal" tabindex="-1">
        <div class="modal-dialog modal-lg">
            <div class="modal-content">
                <div class="modal-header" style="background-color:#cfe3ff;">
                    <h5 class="modal-title">Gestione Skills per <span id="skillsEmployeeName"></span></h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>

                <div class="modal-body">
                    <form id="manageSkillsForm">
                        <input type="hidden" id="skillsEmployeeId">
                        <div id="skillsContainer"></div>
                        <div class="text-center">
                            <button type="submit" class="btn btn-add">💾 Salva Skills</button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>

    <!-- EMPLOYEE PPE MODAL -->
    <div class="modal fade" id="employeePpeModal" tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-employee-ppe modal-dialog-centered modal-dialog-scrollable">
            <div class="modal-content">
                <div class="modal-header" style="background-color:#cfe3ff;">
                    <div>
                        <h5 class="modal-title">🦺 DPI dipendente - <span id="employeePpeName"></span></h5>
                        <div class="text-muted small" id="employeePpeSubRoleBox"></div>
                    </div>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>

                <div class="modal-body">
                    <input type="hidden" id="employeePpeEmployeeId">

                    <div class="row g-3 mb-3">
                        <div class="col-12 col-md-4">
                            <label class="form-label fw-semibold">Data consegna</label>
                            <input type="date" id="employeePpeAssignedDate" class="form-control" value="<?= date('Y-m-d') ?>">
                        </div>
                        <div class="col-12 col-md-4">
                            <label class="form-label fw-semibold">Consegnato da</label>
                            <input type="text" id="employeePpeDeliveredBy" class="form-control" maxlength="255" placeholder="Nome o azienda">
                        </div>
                        <div class="col-12 col-md-4">
                            <label class="form-label fw-semibold">Note consegna</label>
                            <input type="text" id="manualPpeNotes" class="form-control" placeholder="Opzionale">
                        </div>
                    </div>

                    <div class="row g-4">
                        <div class="col-12 col-lg-7">
                            <h6 class="fw-bold">DPI obbligatori da sottomansione</h6>
                            <div class="text-muted small mb-2">Questi sono suggeriti automaticamente in base alla sottomansione del dipendente.</div>
                            <div id="employeeRequiredPpeBox"></div>
                            <button type="button" class="btn btn-primary mt-2" id="assignMissingPpeBtn">
                                Assegna DPI obbligatori mancanti
                            </button>
                        </div>

                        <div class="col-12 col-lg-5">
                            <h6 class="fw-bold">Assegna altri DPI</h6>
                            <div class="text-muted small mb-2">Puoi assegnare anche DPI non previsti dalla sottomansione.</div>

                            <select id="manualPpeSelect" class="form-select" multiple style="width:100%;">
                                <?php foreach ($ppeItems as $ppe): ?>
                                    <option value="<?= (int)$ppe['id'] ?>">
                                        <?= htmlspecialchars($ppe['name'], ENT_QUOTES, 'UTF-8') ?>
                                        <?= !empty($ppe['category']) ? ' - ' . htmlspecialchars($ppe['category'], ENT_QUOTES, 'UTF-8') : '' ?>
                                        <?= !empty($ppe['standard_reference']) ? ' - ' . htmlspecialchars($ppe['standard_reference'], ENT_QUOTES, 'UTF-8') : '' ?>
                                    </option>
                                <?php endforeach; ?>
                            </select>

                            <button type="button" class="btn btn-success mt-2" id="assignManualPpeBtn">
                                Assegna DPI selezionati
                            </button>
                        </div>
                    </div>

                    <hr>

                    <h6 class="fw-bold">Storico DPI assegnati</h6>
                    <div class="table-responsive">
                        <table class="table table-sm table-striped align-middle">
                            <thead>
                                <tr>
                                    <th>DPI</th>
                                    <th>Categoria</th>
                                    <th>Assegnato</th>
                                    <th>Scadenza</th>
                                    <th>Stato</th>
                                    <th>Consegnato da</th>
                                    <th>Note</th>
                                    <th>Azioni</th>
                                </tr>
                            </thead>
                            <tbody id="employeeAssignedPpeHistory"></tbody>
                        </table>
                    </div>
                </div>

                <div class="modal-footer">
                    <button type="button" class="btn btn-light" data-bs-dismiss="modal">Chiudi</button>
                </div>
            </div>
        </div>
    </div>

    <!-- BULK DPI MODAL originale -->
    <div class="modal fade" id="bulkPpeModal" tabindex="-1" aria-hidden="true">
        <div class="modal-dialog modal-lg modal-dialog-centered">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">🦺 Assegna DPI a più dipendenti</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Chiudi"></button>
                </div>
                <form id="bulkPpeForm">
                    <div class="modal-body" style="max-height:65vh; overflow-y:auto;">
                        <p class="text-muted small">Registra la consegna dello stesso DPI, con gli stessi dati, per più dipendenti contemporaneamente.</p>

                        <div class="row g-3">
                            <div class="col-12 col-md-6">
                                <label class="form-label fw-semibold">DPI <span class="text-danger">*</span></label>
                                <select id="bulkPpeItems" class="form-select" multiple required style="width:100%;">
                                    <?php foreach ($ppeItems as $ppe): ?>
                                        <option value="<?= (int)$ppe['id'] ?>">
                                            <?= htmlspecialchars($ppe['name'], ENT_QUOTES, 'UTF-8') ?>
                                            <?= !empty($ppe['category']) ? ' - ' . htmlspecialchars($ppe['category'], ENT_QUOTES, 'UTF-8') : '' ?>
                                            <?= !empty($ppe['standard_reference']) ? ' - ' . htmlspecialchars($ppe['standard_reference'], ENT_QUOTES, 'UTF-8') : '' ?>
                                        </option>
                                    <?php endforeach; ?>
                                </select>
                            </div>
                            <div class="col-6 col-md-3">
                                <label class="form-label fw-semibold">Data consegna</label>
                                <input type="date" id="bulkPpeDeliveryDate" class="form-control" value="<?= date('Y-m-d') ?>">
                            </div>
                            <div class="col-6 col-md-3">
                                <label class="form-label fw-semibold">Consegnato da</label>
                                <input type="text" id="bulkPpeDeliveredBy" class="form-control" maxlength="255" placeholder="Nome o azienda">
                            </div>
                            <div class="col-12">
                                <label class="form-label fw-semibold">Note</label>
                                <textarea id="bulkPpeNotes" class="form-control" rows="2" placeholder="Opzionale"></textarea>
                            </div>

                            <div class="col-12">
                                <hr class="my-1">
                            </div>

                            <div class="col-12">
                                <label class="form-label fw-semibold">Dipendenti <span class="text-danger">*</span></label>
                                <div class="d-flex flex-wrap gap-2 mb-2 align-items-end">
                                    <div>
                                        <select id="bulkPpeDept" class="form-select form-select-sm" style="min-width:180px">
                                            <option value="">— Reparto —</option>
                                            <?php foreach ($departments as $d): ?>
                                                <option value="<?= (int)$d['id'] ?>"><?= htmlspecialchars($d['name'], ENT_QUOTES, 'UTF-8') ?></option>
                                            <?php endforeach; ?>
                                        </select>
                                    </div>
                                    <button type="button" class="btn btn-sm btn-outline-primary" id="bulkPpeAddDept">+ Aggiungi reparto</button>
                                    <button type="button" class="btn btn-sm btn-outline-secondary" id="bulkPpeSelectAll">Tutti</button>
                                    <button type="button" class="btn btn-sm btn-outline-secondary" id="bulkPpeClear">Pulisci</button>
                                </div>
                                <select id="bulkPpeEmployees" class="form-select" multiple required>
                                    <?php foreach ($employeesForSelect as $e): ?>
                                        <option value="<?= (int)$e['id'] ?>" data-dept="<?= (int)($e['department_id'] ?? 0) ?>">
                                            <?= htmlspecialchars(trim($e['last_name'] . ' ' . $e['first_name']), ENT_QUOTES, 'UTF-8') ?><?php if (!empty($e['employee_code'])): ?> (<?= htmlspecialchars($e['employee_code'], ENT_QUOTES, 'UTF-8') ?>)<?php endif; ?>
                                        </option>
                                    <?php endforeach; ?>
                                </select>
                                <div class="form-text"><span id="bulkPpeCount">0</span> dipendenti selezionati</div>
                            </div>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-light border" data-bs-dismiss="modal">Annulla</button>
                        <button type="submit" class="btn btn-primary" id="bulkPpeSaveBtn">Assegna DPI</button>
                    </div>
                </form>
            </div>
        </div>
    </div>

    <?php include('jsinclude.php'); ?>

    <script>
        const allSkills = <?= json_encode($allSkills, JSON_UNESCAPED_UNICODE) ?>;
        const jobSubRolesByRole = <?= json_encode($jobSubRolesByRole, JSON_UNESCAPED_UNICODE) ?>;

        function escapeHtml(value) {
            return $('<div>').text(value || '').html();
        }

        function initSelect2() {
            $('#addAuthUserId, #editAuthUserId, #addDepartmentId, #editDepartmentId, #addRoleId, #editRoleId, #addJobSubRoleIds, #editJobSubRoleIds').select2({
                theme: 'bootstrap-5',
                width: '100%',
                closeOnSelect: false,
                placeholder: 'Seleziona...'
            });

            $('#manualPpeSelect').select2({
                theme: 'bootstrap-5',
                dropdownParent: $('#employeePpeModal'),
                placeholder: 'Cerca DPI per nome, categoria o standard...',
                closeOnSelect: false,
                allowClear: true,
                width: '100%'
            });

            $('#bulkPpeItems').select2({
                theme: 'bootstrap-5',
                placeholder: 'Seleziona uno o più DPI...',
                dropdownParent: $('#bulkPpeModal'),
                closeOnSelect: false,
                width: '100%'
            });
        }

        function populateJobSubRoles($select, jobRoleId, selectedValue) {
            $select.empty();

            if (!jobRoleId || !jobSubRolesByRole[String(jobRoleId)]) {
                $select.append(new Option('-- Prima seleziona una mansione --', '', true, false));
                $select.prop('disabled', true).trigger('change.select2');
                return;
            }

            $select.append(new Option('-- Nessuna --', '', false, false));

            jobSubRolesByRole[String(jobRoleId)].forEach(function(item) {
                const selected = String(item.id) === String(selectedValue || '');
                const option = new Option(item.name, item.id, selected, selected);
                $select.append(option);
            });

            $select.prop('disabled', false).trigger('change.select2');
        }

        function syncAddRoleVisibility() {
            const authUserId = $('#addAuthUserId').val();

            if (authUserId) {
                $('#addRoleWrapper').removeClass('d-none');

                const selectedRoleId = $('#addAuthUserId option:selected').data('role_id');
                if (selectedRoleId) {
                    $('#addRoleId').val(String(selectedRoleId)).trigger('change');
                }
            } else {
                $('#addRoleWrapper').addClass('d-none');
                $('#addRoleId').val('').trigger('change');
            }
        }

        function syncEditRoleVisibility() {
            const authUserId = $('#editAuthUserId').val();

            if (authUserId) {
                $('#editRoleWrapper').removeClass('d-none');

                const selectedRoleId = $('#editAuthUserId option:selected').data('role_id');
                if (selectedRoleId) {
                    $('#editRoleId').val(String(selectedRoleId)).trigger('change');
                }
            } else {
                $('#editRoleWrapper').addClass('d-none');
                $('#editRoleId').val('').trigger('change');
            }
        }

        function resetAddEmployeeForm() {
            $('#addEmployeeForm')[0].reset();
            $('#addDepartmentId, #addJobSubRoleIds, #addAuthUserId, #addRoleId').val(null).trigger('change');
            $('#addRoleWrapper').addClass('d-none');
        }

        function buildEmployeePpeModal(data) {
            const employee = data.employee || {};
            const required = data.required_ppe || [];
            const assigned = data.assigned_ppe || [];

            $('#employeePpeName').text(((employee.first_name || '') + ' ' + (employee.last_name || '')).trim());
            $('#employeePpeEmployeeId').val(employee.id || '');
            $('#manualPpeSelect').val(null).trigger('change');
            $('#employeePpeAssignedDate').val(new Date().toISOString().slice(0, 10));
            $('#employeePpeDeliveredBy').val('');
            $('#manualPpeNotes').val('');

            if (employee.job_sub_role_ids) {
                $('#employeePpeSubRoleBox').html('Sottomansioni: <strong>' + escapeHtml(employee.job_sub_role_name || '-') + '</strong>');
            } else {
                $('#employeePpeSubRoleBox').html('<span class="text-danger">Nessuna sottomansione collegata: non ci sono DPI obbligatori suggeriti.</span>');
            }

            if (!required.length) {
                $('#employeeRequiredPpeBox').html('<div class="alert alert-light border mb-0">Nessun DPI obbligatorio associato alla sottomansione.</div>');
                $('#assignMissingPpeBtn').prop('disabled', true).data('ids', []);
            } else {
                let missingIds = [];
                let html = '';

                required.forEach(function(item) {
                    const isAssigned = !!item.is_assigned;
                    if (!isAssigned) {
                        missingIds.push(item.ppe_item_id);
                    }

                    html += `
                        <div class="ppe-required-card ${isAssigned ? 'assigned' : 'missing'}">
                            <div class="d-flex justify-content-between gap-2 align-items-start">
                                <div>
                                    <div class="fw-bold">🦺 ${escapeHtml(item.ppe_name)}</div>
                                    <div class="small text-muted">
                                        ${escapeHtml(item.category || 'Senza categoria')}
                                        ${item.standard_reference ? ' · ' + escapeHtml(item.standard_reference) : ''}
                                        ${item.required_by_subroles ? '<br>Richiesto da: ' + escapeHtml(item.required_by_subroles) : ''}
                                    </div>
                                </div>
                                <span class="ppe-status-pill ${isAssigned ? 'assigned' : 'missing'}">
                                    ${isAssigned ? 'Assegnato' : 'Mancante'}
                                </span>
                            </div>
                        </div>
                    `;
                });

                $('#employeeRequiredPpeBox').html(html);
                $('#assignMissingPpeBtn').prop('disabled', missingIds.length === 0).data('ids', missingIds);
            }

            if (!assigned.length) {
                $('#employeeAssignedPpeHistory').html('<tr><td colspan="8" class="text-center text-muted">Nessun DPI assegnato.</td></tr>');
            } else {
                let rows = '';

                assigned.forEach(function(item) {
                    const canRemove = item.status === 'assigned';
                    const removeButton = canRemove ? `
                        <button type="button"
                            class="btn btn-sm btn-outline-danger btnRemoveEmployeePpe"
                            data-assignment-id="${escapeHtml(item.assignment_id)}">
                            Rimuovi
                        </button>
                    ` : '<span class="text-muted small">-</span>';

                    rows += `
                        <tr>
                            <td>${escapeHtml(item.ppe_name)}</td>
                            <td>${escapeHtml(item.category || '-')}</td>
                            <td>${escapeHtml(item.assigned_date || '-')}</td>
                            <td>${escapeHtml(item.expiry_date || '-')}</td>
                            <td>${escapeHtml(item.status || '-')}</td>
                            <td>${escapeHtml(item.delivered_by || '-')}</td>
                            <td>${escapeHtml(item.notes || '')}</td>
                            <td>${removeButton}</td>
                        </tr>
                    `;
                });

                $('#employeeAssignedPpeHistory').html(rows);
            }
        }

        function loadEmployeePpe(employeeId, showModal) {
            const payload = new URLSearchParams();
            payload.append('ajax', '1');
            payload.append('action', 'get_employee_ppe');
            payload.append('id', employeeId);

            return fetch('', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/x-www-form-urlencoded'
                    },
                    body: payload.toString()
                })
                .then(r => r.json())
                .then(data => {
                    if (!data.success) {
                        Swal.fire('Errore', data.message || 'Errore caricamento DPI.', 'error');
                        return;
                    }

                    buildEmployeePpeModal(data);

                    if (showModal) {
                        $('#employeePpeModal').modal('show');
                    }
                });
        }

        $(document).ready(function() {
            $('#tabellaDipendenti').DataTable({
                order: [
                    [0, 'desc']
                ],
                pageLength: 25,
                language: {
                    url: 'https://cdn.datatables.net/plug-ins/1.13.6/i18n/it-IT.json',
                    emptyTable: 'Nessun dipendente presente'
                }
            });

            initSelect2();

            $('#addEmployeeModal').on('show.bs.modal', function() {
                resetAddEmployeeForm();
            });

            $('#addAuthUserId').on('change', syncAddRoleVisibility);
            $('#editAuthUserId').on('change', syncEditRoleVisibility);

            /* -------- BULK DPI ASSIGN originale -------- */
            var $bulkPpeEmp = $('#bulkPpeEmployees');
            $bulkPpeEmp.select2({
                theme: 'bootstrap-5',
                placeholder: 'Seleziona dipendenti...',
                dropdownParent: $('#bulkPpeModal'),
                closeOnSelect: false,
                width: '100%'
            });

            function bulkPpeUpdateCount() {
                $('#bulkPpeCount').text(($bulkPpeEmp.val() || []).length);
            }
            $bulkPpeEmp.on('change', bulkPpeUpdateCount);

            $('#btnBulkPpe').on('click', function() {
                document.getElementById('bulkPpeForm').reset();
                $('#bulkPpeItems').val(null).trigger('change');
                $bulkPpeEmp.val(null).trigger('change');
                bulkPpeUpdateCount();
                var sb = document.getElementById('bulkPpeSaveBtn');
                sb.disabled = false;
                sb.innerHTML = 'Assegna DPI';
            });

            $('#bulkPpeAddDept').on('click', function() {
                var dept = $('#bulkPpeDept').val();
                if (!dept) return;
                var current = ($bulkPpeEmp.val() || []).map(String);
                $bulkPpeEmp.find('option').each(function() {
                    if (this.getAttribute('data-dept') === String(dept) && current.indexOf(this.value) === -1) {
                        current.push(this.value);
                    }
                });
                $bulkPpeEmp.val(current).trigger('change');
            });

            $('#bulkPpeSelectAll').on('click', function() {
                var all = $bulkPpeEmp.find('option').map(function() {
                    return this.value;
                }).get();
                $bulkPpeEmp.val(all).trigger('change');
            });

            $('#bulkPpeClear').on('click', function() {
                $bulkPpeEmp.val(null).trigger('change');
            });

            $('#bulkPpeForm').on('submit', function(e) {
                e.preventDefault();
                var selectedPpe = $('#bulkPpeItems').val() || [];
                var emps = $bulkPpeEmp.val() || [];

                if (selectedPpe.length === 0) {
                    Swal.fire('Attenzione', 'Selezionare almeno un DPI.', 'warning');
                    return;
                }
                if (emps.length === 0) {
                    Swal.fire('Attenzione', 'Selezionare almeno un dipendente.', 'warning');
                    return;
                }

                var btn = document.getElementById('bulkPpeSaveBtn');
                btn.disabled = true;
                var orig = btn.innerHTML;
                btn.innerHTML = '<span class="spinner-border spinner-border-sm me-1"></span> Salvataggio...';

                var fd = new URLSearchParams();
                fd.append('ajax', '1');
                fd.append('action', 'assign_bulk_employee_ppe');
                fd.append('assigned_date', $('#bulkPpeDeliveryDate').val());
                fd.append('delivered_by', $('#bulkPpeDeliveredBy').val());
                fd.append('notes', $('#bulkPpeNotes').val());
                selectedPpe.forEach(function(id) {
                    fd.append('ppe_ids[]', id);
                });
                emps.forEach(function(id) {
                    fd.append('employee_ids[]', id);
                });

                fetch('', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/x-www-form-urlencoded'
                        },
                        body: fd.toString()
                    })
                    .then(function(r) {
                        return r.json();
                    })
                    .then(function(data) {
                        if (data.success) {
                            bootstrap.Modal.getInstance(document.getElementById('bulkPpeModal')).hide();
                            Swal.fire({
                                icon: 'success',
                                title: 'Fatto',
                                text: data.message,
                                timer: 2000,
                                showConfirmButton: false
                            });
                        } else {
                            btn.disabled = false;
                            btn.innerHTML = orig;
                            Swal.fire('Errore', data.message || 'Errore.', 'error');
                        }
                    })
                    .catch(function() {
                        btn.disabled = false;
                        btn.innerHTML = orig;
                        Swal.fire('Errore', 'Errore di connessione.', 'error');
                    });
            });

            /* -------- ADD EMPLOYEE -------- */
            $('#addEmployeeForm').on('submit', function(e) {
                e.preventDefault();

                const payload = new URLSearchParams();
                payload.append('ajax', '1');
                payload.append('action', 'add');
                payload.append('employee_code', $('#addEmployeeCode').val().trim());
                payload.append('first_name', $('#addFirstName').val().trim());
                payload.append('last_name', $('#addLastName').val().trim());
                payload.append('address', $('#addAddress').val().trim());
                payload.append('phone', $('#addPhone').val().trim());
                payload.append('email', $('#addEmail').val().trim());
                payload.append('department_id', $('#addDepartmentId').val() || '');
                ($('#addJobSubRoleIds').val() || []).forEach(function(id) {
                    payload.append('job_sub_role_ids[]', id);
                });
                payload.append('hire_date', $('#addHireDate').val());
                payload.append('status', $('#addStatus').val());
                payload.append('auth_user_id', $('#addAuthUserId').val() || '');
                payload.append('role_id', $('#addAuthUserId').val() ? ($('#addRoleId').val() || '') : '');

                fetch('', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/x-www-form-urlencoded'
                        },
                        body: payload.toString()
                    })
                    .then(r => r.json())
                    .then(data => {
                        if (data.success) {
                            Swal.fire({
                                icon: 'success',
                                title: 'Saved!',
                                confirmButtonColor: '#3085d6'
                            }).then(() => location.reload());
                        } else {
                            Swal.fire('Error', data.message || 'Unable to save employee.', 'error');
                        }
                    })
                    .catch(err => {
                        console.error(err);
                        Swal.fire('Error', 'Communication error.', 'error');
                    });
            });

            /* -------- OPEN EDIT MODAL -------- */
            $(document).on('click', '.edit-employee', function() {
                const btn = $(this);

                $('#editEmployeeId').val(btn.data('id'));
                $('#editEmployeeCode').val(btn.data('code'));
                $('#editFirstName').val(btn.data('first_name'));
                $('#editLastName').val(btn.data('last_name'));
                $('#editDepartmentId').val(btn.data('department_id') ? String(btn.data('department_id')) : '').trigger('change');

                const selectedJobSubRoleIds = (btn.attr('data-job_sub_role_ids') || '')
                    .split(',')
                    .map(function(item) {
                        return item.trim();
                    })
                    .filter(Boolean);

                $('#editJobSubRoleIds').val(selectedJobSubRoleIds).trigger('change');

                $('#editAddress').val(btn.data('address'));
                $('#editPhone').val(btn.data('phone'));
                $('#editEmail').val(btn.data('email'));
                $('#editHireDate').val(btn.data('hire_date'));
                $('#editStatus').val(btn.data('status'));

                const authUserId = btn.data('auth_user_id');
                $('#editAuthUserId').val(authUserId ? String(authUserId) : '').trigger('change');

                const roleId = btn.data('role_id');
                if (authUserId && roleId) {
                    $('#editRoleWrapper').removeClass('d-none');
                    $('#editRoleId').val(String(roleId)).trigger('change');
                } else {
                    $('#editRoleWrapper').addClass('d-none');
                    $('#editRoleId').val('').trigger('change');
                }

                $('#editEmployeeModal').modal('show');
            });

            /* -------- SAVE EDIT -------- */
            $('#editEmployeeForm').on('submit', function(e) {
                e.preventDefault();

                const payload = new URLSearchParams();
                payload.append('ajax', '1');
                payload.append('action', 'edit');
                payload.append('id', $('#editEmployeeId').val());
                payload.append('employee_code', $('#editEmployeeCode').val().trim());
                payload.append('first_name', $('#editFirstName').val().trim());
                payload.append('last_name', $('#editLastName').val().trim());
                payload.append('address', $('#editAddress').val().trim());
                payload.append('phone', $('#editPhone').val().trim());
                payload.append('email', $('#editEmail').val().trim());
                payload.append('department_id', $('#editDepartmentId').val() || '');
                ($('#editJobSubRoleIds').val() || []).forEach(function(id) {
                    payload.append('job_sub_role_ids[]', id);
                });
                payload.append('hire_date', $('#editHireDate').val());
                payload.append('status', $('#editStatus').val());
                payload.append('auth_user_id', $('#editAuthUserId').val() || '');
                payload.append('role_id', $('#editAuthUserId').val() ? ($('#editRoleId').val() || '') : '');

                fetch('', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/x-www-form-urlencoded'
                        },
                        body: payload.toString()
                    })
                    .then(r => r.json())
                    .then(data => {
                        if (data.success) {
                            Swal.fire({
                                icon: 'success',
                                title: 'Updated!',
                                confirmButtonColor: '#3085d6'
                            }).then(() => location.reload());
                        } else {
                            Swal.fire('Error', data.message || 'Unable to update employee.', 'error');
                        }
                    })
                    .catch(err => {
                        console.error(err);
                        Swal.fire('Error', 'Communication error.', 'error');
                    });
            });

            /* -------- DELETE EMPLOYEE -------- */
            $(document).on('click', '.delete-employee', function() {
                const id = $(this).data('id');
                const name = $(this).data('name');

                Swal.fire({
                    title: 'Confermi la cancellazione?',
                    text: name ? ('Dipendente: ' + name) : 'This employee will be deleted.',
                    icon: 'warning',
                    showCancelButton: true,
                    confirmButtonColor: '#d33',
                    cancelButtonColor: '#6c757d',
                    confirmButtonText: 'Sì, cancella',
                    cancelButtonText: 'Annulla'
                }).then((result) => {
                    if (!result.isConfirmed) return;

                    const payload = new URLSearchParams();
                    payload.append('ajax', '1');
                    payload.append('action', 'delete');
                    payload.append('id', id);

                    fetch('', {
                            method: 'POST',
                            headers: {
                                'Content-Type': 'application/x-www-form-urlencoded'
                            },
                            body: payload.toString()
                        })
                        .then(r => r.json())
                        .then(data => {
                            if (data.success) {
                                Swal.fire({
                                    icon: 'success',
                                    title: 'Deleted!',
                                    confirmButtonColor: '#3085d6'
                                }).then(() => location.reload());
                            } else {
                                Swal.fire('Error', data.message || 'Unable to delete employee.', 'error');
                            }
                        })
                        .catch(err => {
                            console.error(err);
                            Swal.fire('Error', 'Communication error.', 'error');
                        });
                });
            });

            /* -------- EMPLOYEE PPE -------- */
            $(document).on('click', '.manage-employee-ppe', function() {
                const id = $(this).data('id');
                loadEmployeePpe(id, true);
            });

            $('#assignMissingPpeBtn').on('click', function() {
                const employeeId = $('#employeePpeEmployeeId').val();
                const ids = $(this).data('ids') || [];

                if (!ids.length) {
                    Swal.fire('Info', 'Non ci sono DPI obbligatori mancanti.', 'info');
                    return;
                }

                const payload = new URLSearchParams();
                payload.append('ajax', '1');
                payload.append('action', 'assign_missing_employee_ppe');
                payload.append('id', employeeId);
                payload.append('assigned_date', $('#employeePpeAssignedDate').val() || '');
                payload.append('delivered_by', $('#employeePpeDeliveredBy').val() || '');
                payload.append('notes', $('#manualPpeNotes').val() || '');
                ids.forEach(function(id) {
                    payload.append('ppe_ids[]', id);
                });

                fetch('', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/x-www-form-urlencoded'
                        },
                        body: payload.toString()
                    })
                    .then(r => r.json())
                    .then(data => {
                        if (data.success) {
                            Swal.fire('Fatto', data.message || 'DPI assegnati.', 'success');
                            loadEmployeePpe(employeeId, false);
                        } else {
                            Swal.fire('Errore', data.message || 'Errore.', 'error');
                        }
                    });
            });

            $('#assignManualPpeBtn').on('click', function() {
                const employeeId = $('#employeePpeEmployeeId').val();
                const ids = $('#manualPpeSelect').val() || [];

                if (!ids.length) {
                    Swal.fire('Attenzione', 'Seleziona almeno un DPI.', 'warning');
                    return;
                }

                const payload = new URLSearchParams();
                payload.append('ajax', '1');
                payload.append('action', 'assign_employee_ppe');
                payload.append('id', employeeId);
                payload.append('assigned_date', $('#employeePpeAssignedDate').val() || '');
                payload.append('delivered_by', $('#employeePpeDeliveredBy').val() || '');
                payload.append('notes', $('#manualPpeNotes').val() || '');
                ids.forEach(function(id) {
                    payload.append('ppe_ids[]', id);
                });

                fetch('', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/x-www-form-urlencoded'
                        },
                        body: payload.toString()
                    })
                    .then(r => r.json())
                    .then(data => {
                        if (data.success) {
                            Swal.fire('Fatto', data.message || 'DPI assegnati.', 'success');
                            loadEmployeePpe(employeeId, false);
                        } else {
                            Swal.fire('Errore', data.message || 'Errore.', 'error');
                        }
                    });
            });


            $(document).on('click', '.btnRemoveEmployeePpe', function() {
                const assignmentId = $(this).data('assignment-id');
                const employeeId = $('#employeePpeEmployeeId').val();

                Swal.fire({
                    title: 'Rimuovere DPI?',
                    text: 'Il DPI verrà segnato come restituito/rimosso dal dipendente.',
                    icon: 'warning',
                    showCancelButton: true,
                    confirmButtonText: 'Sì, rimuovi',
                    cancelButtonText: 'Annulla',
                    confirmButtonColor: '#dc2626'
                }).then(function(result) {
                    if (!result.isConfirmed) {
                        return;
                    }

                    const payload = new URLSearchParams();
                    payload.append('ajax', '1');
                    payload.append('action', 'remove_employee_ppe');
                    payload.append('assignment_id', assignmentId);
                    payload.append('employee_id', employeeId);

                    fetch('', {
                            method: 'POST',
                            headers: {
                                'Content-Type': 'application/x-www-form-urlencoded'
                            },
                            body: payload.toString()
                        })
                        .then(r => r.json())
                        .then(data => {
                            if (data.success) {
                                Swal.fire('Fatto', data.message || 'DPI rimosso.', 'success');
                                loadEmployeePpe(employeeId, false);
                            } else {
                                Swal.fire('Errore', data.message || 'Errore.', 'error');
                            }
                        })
                        .catch(err => {
                            console.error(err);
                            Swal.fire('Errore', 'Errore di comunicazione.', 'error');
                        });
                });
            });

            /* -------- SKILLS -------- */
            $(document).on('click', '.manage-skills', function() {
                const id = $(this).data('id');
                const name = $(this).data('name');

                $('#skillsEmployeeId').val(id);
                $('#skillsEmployeeName').text(name);

                const payload = new URLSearchParams();
                payload.append('ajax', '1');
                payload.append('action', 'get_employee_skills');
                payload.append('id', id);

                fetch('', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/x-www-form-urlencoded'
                        },
                        body: payload.toString()
                    })
                    .then(r => r.json())
                    .then(data => {
                        if (data.success) {
                            const currentSkills = data.skills || {};
                            let html = '';
                            let currentLine = '';

                            allSkills.forEach(skill => {
                                let line = skill.line_name || 'Generali';
                                if (line !== currentLine) {
                                    if (currentLine) html += '</div>';
                                    html += `<h6 class="mt-3">${escapeHtml(line)}</h6><div class="row">`;
                                    currentLine = line;
                                }

                                let level = currentSkills[skill.id] || 'NON RICH.';
                                let options = '';
                                if (skill.name === 'TURNO NOTTURNO') {
                                    options = `
                                        <option value="si" ${level === 'si' ? 'selected' : ''}>Si</option>
                                        <option value="no" ${level === 'no' ? 'selected' : ''}>No</option>
                                    `;
                                } else {
                                    options = `
                                        <option value="DF" ${level === 'DF' ? 'selected' : ''}>Da formare</option>
                                        <option value="C" ${level === 'C' ? 'selected' : ''}>Conosce l'attività</option>
                                        <option value="CQ" ${level === 'CQ' ? 'selected' : ''}>Conoscenza media</option>
                                        <option value="Q" ${level === 'Q' ? 'selected' : ''}>Qualificato</option>
                                        <option value="NON RICH." ${level === 'NON RICH.' ? 'selected' : ''}>Non richiesto</option>
                                    `;
                                }

                                html += `
                                    <div class="col-md-6 mb-3">
                                        <label class="form-label">${escapeHtml(skill.name)}</label>
                                        <select name="skills[${skill.id}]" class="form-select">
                                            ${options}
                                        </select>
                                    </div>
                                `;
                            });

                            if (currentLine) html += '</div>';

                            $('#skillsContainer').html(html);
                            $('#manageSkillsModal').modal('show');
                        } else {
                            Swal.fire('Error', data.message || 'Unable to load skills.', 'error');
                        }
                    })
                    .catch(err => {
                        console.error(err);
                        Swal.fire('Error', 'Communication error.', 'error');
                    });
            });

            $('#manageSkillsForm').on('submit', function(e) {
                e.preventDefault();

                const id = $('#skillsEmployeeId').val();
                const skills = {};
                $('select[name^="skills["]').each(function() {
                    const skillId = $(this).attr('name').match(/\[(\d+)\]/)[1];
                    skills[skillId] = $(this).val();
                });

                const payload = new URLSearchParams();
                payload.append('ajax', '1');
                payload.append('action', 'save_employee_skills');
                payload.append('id', id);
                payload.append('skills', JSON.stringify(skills));

                fetch('', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/x-www-form-urlencoded'
                        },
                        body: payload.toString()
                    })
                    .then(r => r.json())
                    .then(data => {
                        if (data.success) {
                            Swal.fire({
                                icon: 'success',
                                title: 'Skills salvate!'
                            });
                            $('#manageSkillsModal').modal('hide');
                        } else {
                            Swal.fire('Error', data.message || 'Unable to save skills.', 'error');
                        }
                    })
                    .catch(err => {
                        console.error(err);
                        Swal.fire('Error', 'Communication error.', 'error');
                    });
            });
        });
    </script>

</body>

</html>