<?php include('include/headscript.php'); ?>

<?php
/*
 * TRFgo - Business Partners management page
 * This page manages suppliers, producers, manufacturers, vendors, factories and related contacts.
 */

function e($value)
{
    return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8');
}

function jsonResponse(array $payload): void
{
    header('Content-Type: application/json');
    echo json_encode($payload);
    exit;
}

$partnerTypes = [
    'producer' => 'Producer',
    'manufacturer' => 'Manufacturer',
    'supplier' => 'Supplier',
    'vendor' => 'Vendor',
    'factory' => 'Factory',
    'agent' => 'Agent',
    'invoice_to' => 'Invoice To',
    'report_to' => 'Report To',
    'laboratory' => 'Laboratory',
    'other' => 'Other',
];

$partnerStatuses = [
    'active' => 'Active',
    'inactive' => 'Inactive',
    'suspended' => 'Suspended',
];

$contactStatuses = [
    'active' => 'Active',
    'inactive' => 'Inactive',
];

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

    try {
        if ($action === 'save_partner') {
            $idpartner = isset($_POST['idpartner']) ? (int) $_POST['idpartner'] : 0;
            $idcompany = isset($_POST['idcompany']) ? (int) $_POST['idcompany'] : 0;

            $partnerType = $_POST['partner_type'] ?? 'supplier';
            $partnerName = trim($_POST['partner_name'] ?? '');
            $legalName = trim($_POST['legal_name'] ?? '');
            $externalCode = trim($_POST['external_code'] ?? '');
            $vatNumber = trim($_POST['vat_number'] ?? '');
            $taxCode = trim($_POST['tax_code'] ?? '');
            $address = trim($_POST['address'] ?? '');
            $city = trim($_POST['city'] ?? '');
            $zip = trim($_POST['zip'] ?? '');
            $countryId = !empty($_POST['country_id']) ? (int) $_POST['country_id'] : null;
            $email = trim($_POST['email'] ?? '');
            $phone = trim($_POST['phone'] ?? '');
            $website = trim($_POST['website'] ?? '');
            $notes = trim($_POST['notes'] ?? '');
            $status = $_POST['status'] ?? 'active';

            if ($idcompany <= 0) {
                jsonResponse([
                    'success' => false,
                    'message' => 'Company is required.'
                ]);
            }

            if ($partnerName === '') {
                jsonResponse([
                    'success' => false,
                    'message' => 'Partner name is required.'
                ]);
            }

            if (!array_key_exists($partnerType, $partnerTypes)) {
                $partnerType = 'supplier';
            }

            if (!array_key_exists($status, $partnerStatuses)) {
                $status = 'active';
            }

            /*
             * Check company exists.
             */
            $stmt = $db->prepare("
                SELECT COUNT(*)
                FROM companies
                WHERE idcompany = :idcompany
            ");
            $stmt->execute([':idcompany' => $idcompany]);

            if ((int) $stmt->fetchColumn() === 0) {
                jsonResponse([
                    'success' => false,
                    'message' => 'Selected company does not exist.'
                ]);
            }

            if ($idpartner > 0) {
                $sql = "
                    UPDATE business_partners
                    SET
                        idcompany = :idcompany,
                        partner_type = :partner_type,
                        partner_name = :partner_name,
                        legal_name = :legal_name,
                        external_code = :external_code,
                        vat_number = :vat_number,
                        tax_code = :tax_code,
                        address = :address,
                        city = :city,
                        zip = :zip,
                        country_id = :country_id,
                        email = :email,
                        phone = :phone,
                        website = :website,
                        notes = :notes,
                        status = :status,
                        updated_at = NOW()
                    WHERE idpartner = :idpartner
                ";

                $stmt = $db->prepare($sql);
                $stmt->execute([
                    ':idcompany' => $idcompany,
                    ':partner_type' => $partnerType,
                    ':partner_name' => $partnerName,
                    ':legal_name' => $legalName !== '' ? $legalName : null,
                    ':external_code' => $externalCode !== '' ? $externalCode : null,
                    ':vat_number' => $vatNumber !== '' ? $vatNumber : null,
                    ':tax_code' => $taxCode !== '' ? $taxCode : null,
                    ':address' => $address !== '' ? $address : null,
                    ':city' => $city !== '' ? $city : null,
                    ':zip' => $zip !== '' ? $zip : null,
                    ':country_id' => $countryId,
                    ':email' => $email !== '' ? $email : null,
                    ':phone' => $phone !== '' ? $phone : null,
                    ':website' => $website !== '' ? $website : null,
                    ':notes' => $notes !== '' ? $notes : null,
                    ':status' => $status,
                    ':idpartner' => $idpartner,
                ]);

                jsonResponse([
                    'success' => true,
                    'message' => 'Business partner updated successfully.'
                ]);
            }

            $sql = "
                INSERT INTO business_partners (
                    idcompany,
                    partner_type,
                    partner_name,
                    legal_name,
                    external_code,
                    vat_number,
                    tax_code,
                    address,
                    city,
                    zip,
                    country_id,
                    email,
                    phone,
                    website,
                    notes,
                    status,
                    created_by,
                    created_at,
                    updated_at
                ) VALUES (
                    :idcompany,
                    :partner_type,
                    :partner_name,
                    :legal_name,
                    :external_code,
                    :vat_number,
                    :tax_code,
                    :address,
                    :city,
                    :zip,
                    :country_id,
                    :email,
                    :phone,
                    :website,
                    :notes,
                    :status,
                    :created_by,
                    NOW(),
                    NOW()
                )
            ";

            $stmt = $db->prepare($sql);
            $stmt->execute([
                ':idcompany' => $idcompany,
                ':partner_type' => $partnerType,
                ':partner_name' => $partnerName,
                ':legal_name' => $legalName !== '' ? $legalName : null,
                ':external_code' => $externalCode !== '' ? $externalCode : null,
                ':vat_number' => $vatNumber !== '' ? $vatNumber : null,
                ':tax_code' => $taxCode !== '' ? $taxCode : null,
                ':address' => $address !== '' ? $address : null,
                ':city' => $city !== '' ? $city : null,
                ':zip' => $zip !== '' ? $zip : null,
                ':country_id' => $countryId,
                ':email' => $email !== '' ? $email : null,
                ':phone' => $phone !== '' ? $phone : null,
                ':website' => $website !== '' ? $website : null,
                ':notes' => $notes !== '' ? $notes : null,
                ':status' => $status,
                ':created_by' => $iduserlogin,
            ]);

            jsonResponse([
                'success' => true,
                'message' => 'Business partner created successfully.'
            ]);
        }

        if ($action === 'get_partner') {
            $idpartner = isset($_POST['idpartner']) ? (int) $_POST['idpartner'] : 0;

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

            $stmt = $db->prepare("
                SELECT *
                FROM business_partners
                WHERE idpartner = :idpartner
                LIMIT 1
            ");
            $stmt->execute([':idpartner' => $idpartner]);
            $partner = $stmt->fetch(PDO::FETCH_ASSOC);

            if (!$partner) {
                jsonResponse([
                    'success' => false,
                    'message' => 'Business partner not found.'
                ]);
            }

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

        if ($action === 'change_partner_status') {
            $idpartner = isset($_POST['idpartner']) ? (int) $_POST['idpartner'] : 0;
            $status = $_POST['status'] ?? 'inactive';

            if ($idpartner <= 0 || !array_key_exists($status, $partnerStatuses)) {
                jsonResponse([
                    'success' => false,
                    'message' => 'Invalid request.'
                ]);
            }

            $stmt = $db->prepare("
                UPDATE business_partners
                SET status = :status, updated_at = NOW()
                WHERE idpartner = :idpartner
            ");
            $stmt->execute([
                ':status' => $status,
                ':idpartner' => $idpartner,
            ]);

            jsonResponse([
                'success' => true,
                'message' => 'Business partner status updated successfully.'
            ]);
        }

        if ($action === 'delete_partner') {
            $idpartner = isset($_POST['idpartner']) ? (int) $_POST['idpartner'] : 0;

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

            /*
             * Safe delete:
             * Do not delete a partner if already used by samples or parts.
             */
            $stmt = $db->prepare("
                SELECT
                    (SELECT COUNT(*) FROM samples WHERE idproducer = :idpartner1 OR idsupplier = :idpartner2) AS samples_count,
                    (SELECT COUNT(*) FROM sample_parts WHERE supplier_id = :idpartner3 OR producer_id = :idpartner4) AS parts_count
            ");
            $stmt->execute([
                ':idpartner1' => $idpartner,
                ':idpartner2' => $idpartner,
                ':idpartner3' => $idpartner,
                ':idpartner4' => $idpartner,
            ]);

            $usage = $stmt->fetch(PDO::FETCH_ASSOC);

            if (((int) $usage['samples_count'] > 0) || ((int) $usage['parts_count'] > 0)) {
                jsonResponse([
                    'success' => false,
                    'message' => 'This partner is linked to samples or BOM parts. Set it as inactive instead of deleting it.'
                ]);
            }

            $stmt = $db->prepare("
                DELETE FROM business_partners
                WHERE idpartner = :idpartner
            ");
            $stmt->execute([':idpartner' => $idpartner]);

            jsonResponse([
                'success' => true,
                'message' => 'Business partner deleted successfully.'
            ]);
        }

        if ($action === 'get_partner_contacts') {
            $idpartner = isset($_POST['idpartner']) ? (int) $_POST['idpartner'] : 0;

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

            $stmt = $db->prepare("
                SELECT *
                FROM business_partner_contacts
                WHERE idpartner = :idpartner
                ORDER BY is_primary DESC, contact_name ASC
            ");
            $stmt->execute([':idpartner' => $idpartner]);

            jsonResponse([
                'success' => true,
                'contacts' => $stmt->fetchAll(PDO::FETCH_ASSOC)
            ]);
        }

        if ($action === 'save_contact') {
            $idcontact = isset($_POST['idcontact']) ? (int) $_POST['idcontact'] : 0;
            $idpartner = isset($_POST['idpartner']) ? (int) $_POST['idpartner'] : 0;
            $contactName = trim($_POST['contact_name'] ?? '');
            $role = trim($_POST['role'] ?? '');
            $email = trim($_POST['email'] ?? '');
            $phone = trim($_POST['phone'] ?? '');
            $mobile = trim($_POST['mobile'] ?? '');
            $isPrimary = isset($_POST['is_primary']) ? (int) $_POST['is_primary'] : 0;
            $notes = trim($_POST['notes'] ?? '');
            $status = $_POST['status'] ?? 'active';

            if ($idpartner <= 0) {
                jsonResponse([
                    'success' => false,
                    'message' => 'Partner is required.'
                ]);
            }

            if ($contactName === '') {
                jsonResponse([
                    'success' => false,
                    'message' => 'Contact name is required.'
                ]);
            }

            if (!array_key_exists($status, $contactStatuses)) {
                $status = 'active';
            }

            /*
             * If this contact is primary, unset other primary contacts for the same partner.
             */
            if ($isPrimary === 1) {
                $stmt = $db->prepare("
                    UPDATE business_partner_contacts
                    SET is_primary = 0
                    WHERE idpartner = :idpartner
                ");
                $stmt->execute([':idpartner' => $idpartner]);
            }

            if ($idcontact > 0) {
                $stmt = $db->prepare("
                    UPDATE business_partner_contacts
                    SET
                        contact_name = :contact_name,
                        role = :role,
                        email = :email,
                        phone = :phone,
                        mobile = :mobile,
                        is_primary = :is_primary,
                        notes = :notes,
                        status = :status,
                        updated_at = NOW()
                    WHERE idcontact = :idcontact
                    AND idpartner = :idpartner
                ");

                $stmt->execute([
                    ':contact_name' => $contactName,
                    ':role' => $role !== '' ? $role : null,
                    ':email' => $email !== '' ? $email : null,
                    ':phone' => $phone !== '' ? $phone : null,
                    ':mobile' => $mobile !== '' ? $mobile : null,
                    ':is_primary' => $isPrimary === 1 ? 1 : 0,
                    ':notes' => $notes !== '' ? $notes : null,
                    ':status' => $status,
                    ':idcontact' => $idcontact,
                    ':idpartner' => $idpartner,
                ]);

                jsonResponse([
                    'success' => true,
                    'message' => 'Contact updated successfully.'
                ]);
            }

            $stmt = $db->prepare("
                INSERT INTO business_partner_contacts (
                    idpartner,
                    contact_name,
                    role,
                    email,
                    phone,
                    mobile,
                    is_primary,
                    notes,
                    status,
                    created_at,
                    updated_at
                ) VALUES (
                    :idpartner,
                    :contact_name,
                    :role,
                    :email,
                    :phone,
                    :mobile,
                    :is_primary,
                    :notes,
                    :status,
                    NOW(),
                    NOW()
                )
            ");

            $stmt->execute([
                ':idpartner' => $idpartner,
                ':contact_name' => $contactName,
                ':role' => $role !== '' ? $role : null,
                ':email' => $email !== '' ? $email : null,
                ':phone' => $phone !== '' ? $phone : null,
                ':mobile' => $mobile !== '' ? $mobile : null,
                ':is_primary' => $isPrimary === 1 ? 1 : 0,
                ':notes' => $notes !== '' ? $notes : null,
                ':status' => $status,
            ]);

            jsonResponse([
                'success' => true,
                'message' => 'Contact created successfully.'
            ]);
        }

        if ($action === 'get_contact') {
            $idcontact = isset($_POST['idcontact']) ? (int) $_POST['idcontact'] : 0;

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

            $stmt = $db->prepare("
                SELECT *
                FROM business_partner_contacts
                WHERE idcontact = :idcontact
                LIMIT 1
            ");
            $stmt->execute([':idcontact' => $idcontact]);
            $contact = $stmt->fetch(PDO::FETCH_ASSOC);

            if (!$contact) {
                jsonResponse([
                    'success' => false,
                    'message' => 'Contact not found.'
                ]);
            }

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

        if ($action === 'delete_contact') {
            $idcontact = isset($_POST['idcontact']) ? (int) $_POST['idcontact'] : 0;

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

            $stmt = $db->prepare("
                DELETE FROM business_partner_contacts
                WHERE idcontact = :idcontact
            ");
            $stmt->execute([':idcontact' => $idcontact]);

            jsonResponse([
                'success' => true,
                'message' => 'Contact deleted successfully.'
            ]);
        }

        jsonResponse([
            'success' => false,
            'message' => 'Unknown action.'
        ]);
    } catch (Throwable $e) {
        jsonResponse([
            'success' => false,
            'message' => $e->getMessage()
        ]);
    }
}

/*
 * Page data.
 */
$companies = [];
$countries = [];
$partners = [];

try {
    $stmt = $db->query("
        SELECT idcompany, company_name, status
        FROM companies
        ORDER BY company_name ASC
    ");
    $companies = $stmt->fetchAll(PDO::FETCH_ASSOC);
} catch (Throwable $e) {
    $companies = [];
}

try {
    $stmt = $db->query("
        SELECT id, name, iso_3166_2
        FROM auth_countries
        ORDER BY name ASC
    ");
    $countries = $stmt->fetchAll(PDO::FETCH_ASSOC);
} catch (Throwable $e) {
    $countries = [];
}

try {
    $stmt = $db->query("
        SELECT
            bp.idpartner,
            bp.idcompany,
            bp.partner_type,
            bp.partner_name,
            bp.legal_name,
            bp.external_code,
            bp.vat_number,
            bp.city,
            bp.email,
            bp.phone,
            bp.status,
            bp.created_at,
            c.company_name,
            ac.name AS country_name,
            COUNT(DISTINCT bpc.idcontact) AS contacts_count,
            SUM(CASE WHEN bpc.is_primary = 1 THEN 1 ELSE 0 END) AS primary_contacts_count,
            COUNT(DISTINCT s1.idsample) AS producer_samples_count,
            COUNT(DISTINCT s2.idsample) AS supplier_samples_count,
            COUNT(DISTINCT sp1.idpart) AS producer_parts_count,
            COUNT(DISTINCT sp2.idpart) AS supplier_parts_count
        FROM business_partners bp
        INNER JOIN companies c ON c.idcompany = bp.idcompany
        LEFT JOIN auth_countries ac ON ac.id = bp.country_id
        LEFT JOIN business_partner_contacts bpc ON bpc.idpartner = bp.idpartner
        LEFT JOIN samples s1 ON s1.idproducer = bp.idpartner
        LEFT JOIN samples s2 ON s2.idsupplier = bp.idpartner
        LEFT JOIN sample_parts sp1 ON sp1.producer_id = bp.idpartner
        LEFT JOIN sample_parts sp2 ON sp2.supplier_id = bp.idpartner
        GROUP BY
            bp.idpartner,
            bp.idcompany,
            bp.partner_type,
            bp.partner_name,
            bp.legal_name,
            bp.external_code,
            bp.vat_number,
            bp.city,
            bp.email,
            bp.phone,
            bp.status,
            bp.created_at,
            c.company_name,
            ac.name
        ORDER BY c.company_name ASC, bp.partner_name ASC
    ");
    $partners = $stmt->fetchAll(PDO::FETCH_ASSOC);
} catch (Throwable $e) {
    $partners = [];
}

$pageTitle = 'Business Partners';
$totalPartners = count($partners);
$activePartners = count(array_filter($partners, fn($row) => $row['status'] === 'active'));
$totalContacts = array_sum(array_map(fn($row) => (int) $row['contacts_count'], $partners));
?>

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

<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><?= e($pageTitle); ?> - <?= isset($titlewebsite) ? e($titlewebsite) : 'TRFgo'; ?></title>

    <style>
        :root {
            --trfgo-primary: #2563eb;
            --trfgo-muted: #64748b;
            --trfgo-border: #e5e7eb;
            --trfgo-soft-blue: #eff6ff;
            --trfgo-soft-green: #ecfdf5;
            --trfgo-soft-orange: #fff7ed;
            --trfgo-soft-purple: #f5f3ff;
        }

        .page-intro-card {
            border: 0;
            border-radius: 20px;
            overflow: hidden;
            background:
                radial-gradient(circle at top right, rgba(59, 130, 246, 0.22), transparent 30%),
                linear-gradient(135deg, #0f172a 0%, #1d4ed8 60%, #38bdf8 100%);
            color: #fff;
            box-shadow: 0 18px 45px rgba(15, 23, 42, 0.18);
        }

        .page-intro-card .card-body {
            padding: 26px;
        }

        .page-intro-card h1,
        .page-intro-card h2,
        .page-intro-card h3,
        .page-intro-card h4,
        .page-intro-card h5,
        .page-intro-card h6 {
            color: #ffffff;
        }

        .intro-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.16);
            color: rgba(255, 255, 255, 0.94);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .intro-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 8px;
            color: #ffffff;
        }

        .intro-text {
            max-width: 780px;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .btn-intro {
            border-radius: 12px;
            padding: 10px 16px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 0;
            background: #fff;
            color: #1d4ed8;
            box-shadow: 0 12px 28px rgba(15, 23, 42, 0.18);
        }

        .summary-card {
            border: 0;
            border-radius: 18px;
            box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
        }

        .summary-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .summary-icon.blue {
            background: var(--trfgo-soft-blue);
            color: #2563eb;
        }

        .summary-icon.green {
            background: var(--trfgo-soft-green);
            color: #059669;
        }

        .summary-icon.orange {
            background: var(--trfgo-soft-orange);
            color: #ea580c;
        }

        .summary-label {
            color: var(--trfgo-muted);
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 3px;
        }

        .summary-value {
            color: #0f172a;
            font-size: 26px;
            font-weight: 800;
            line-height: 1.1;
        }

        .content-card {
            border: 0;
            border-radius: 18px;
            box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
        }

        .section-title {
            color: #0f172a;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 3px;
        }

        .section-subtitle {
            color: var(--trfgo-muted);
            font-size: 13px;
            margin-bottom: 0;
        }

        .partner-table th {
            color: #64748b;
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--trfgo-border) !important;
            white-space: nowrap;
        }

        .partner-table td {
            vertical-align: middle;
            border-color: #eef2f7;
        }

        .partner-name {
            font-weight: 800;
            color: #0f172a;
        }

        .partner-sub {
            color: var(--trfgo-muted);
            font-size: 12px;
        }

        .metric-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #f8fafc;
            border: 1px solid #e5e7eb;
            color: #475569;
            border-radius: 999px;
            padding: 5px 9px;
            font-size: 12px;
            font-weight: 700;
            white-space: nowrap;
        }

        .badge-soft-success {
            background: #dcfce7;
            color: #166534;
            border-radius: 999px;
            font-weight: 700;
            padding: 6px 10px;
            white-space: nowrap;
        }

        .badge-soft-warning {
            background: #ffedd5;
            color: #9a3412;
            border-radius: 999px;
            font-weight: 700;
            padding: 6px 10px;
            white-space: nowrap;
        }

        .badge-soft-muted {
            background: #f1f5f9;
            color: #475569;
            border-radius: 999px;
            font-weight: 700;
            padding: 6px 10px;
            white-space: nowrap;
        }

        .badge-soft-primary {
            background: #dbeafe;
            color: #1d4ed8;
            border-radius: 999px;
            font-weight: 700;
            padding: 6px 10px;
            white-space: nowrap;
        }

        .badge-soft-purple {
            background: #ede9fe;
            color: #6d28d9;
            border-radius: 999px;
            font-weight: 700;
            padding: 6px 10px;
            white-space: nowrap;
        }

        .btn-action {
            width: 34px;
            height: 34px;
            border-radius: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #e5e7eb;
            background: #fff;
            color: #475569;
            transition: all 0.16s ease;
        }

        .btn-action:hover {
            color: #1d4ed8;
            border-color: rgba(37, 99, 235, 0.35);
            background: #eff6ff;
        }

        .btn-action.danger:hover {
            color: #dc2626;
            border-color: rgba(220, 38, 38, 0.30);
            background: #fef2f2;
        }

        .modal-content {
            border: 0;
            border-radius: 20px;
            box-shadow: 0 24px 80px rgba(15, 23, 42, 0.22);
        }

        .modal-header {
            border-bottom: 1px solid #eef2f7;
        }

        .modal-title {
            font-weight: 800;
            color: #0f172a;
        }

        .form-label {
            font-size: 13px;
            font-weight: 700;
            color: #334155;
        }

        .form-control,
        .form-select {
            border-radius: 12px;
            border-color: #dbe3ef;
        }

        .form-control:focus,
        .form-select:focus {
            border-color: rgba(37, 99, 235, 0.45);
            box-shadow: 0 0 0 0.20rem rgba(37, 99, 235, 0.12);
        }

        .required-dot {
            color: #dc2626;
        }

        .contact-list-wrapper {
            border: 1px solid #eef2f7;
            border-radius: 16px;
            overflow: hidden;
        }

        .contact-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 13px 15px;
            border-bottom: 1px solid #eef2f7;
        }

        .contact-row:last-child {
            border-bottom: 0;
        }

        .contact-name {
            font-weight: 800;
            color: #0f172a;
        }

        .contact-sub {
            color: var(--trfgo-muted);
            font-size: 12px;
        }

        .empty-state {
            text-align: center;
            padding: 30px 18px;
            color: var(--trfgo-muted);
        }

        .empty-state i {
            font-size: 42px;
            color: #cbd5e1;
            margin-bottom: 10px;
        }

        @media (max-width: 767px) {
            .intro-title {
                font-size: 24px;
            }

            .btn-intro {
                width: 100%;
                justify-content: center;
                margin-top: 15px;
            }

            .contact-row {
                align-items: flex-start;
                flex-direction: column;
            }
        }
    </style>
</head>

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

        <div class="page-wrapper">
            <div class="page-content">

                <div class="card page-intro-card mb-4">
                    <div class="card-body">
                        <div class="d-flex align-items-center justify-content-between flex-wrap gap-3">
                            <div>
                                <div class="intro-eyebrow">
                                    <i class="bx bx-network-chart"></i>
                                    TRFgo Master Data
                                </div>
                                <h1 class="intro-title">Business Partners</h1>
                                <p class="intro-text">
                                    Manage producers, suppliers, manufacturers, vendors, factories, laboratories and contacts.
                                    These records will be used in sample identity cards, BOM parts, TRF requests and document flows.
                                </p>
                            </div>

                            <div>
                                <button type="button" class="btn btn-intro" id="btnAddPartner">
                                    <i class="bx bx-plus-circle"></i>
                                    Add Partner
                                </button>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="row row-cols-1 row-cols-md-3 mb-3">
                    <div class="col">
                        <div class="card summary-card">
                            <div class="card-body">
                                <div class="d-flex align-items-center justify-content-between">
                                    <div>
                                        <div class="summary-label">Total Partners</div>
                                        <div class="summary-value"><?= e($totalPartners); ?></div>
                                    </div>
                                    <div class="summary-icon blue">
                                        <i class="bx bx-network-chart"></i>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="col">
                        <div class="card summary-card">
                            <div class="card-body">
                                <div class="d-flex align-items-center justify-content-between">
                                    <div>
                                        <div class="summary-label">Active Partners</div>
                                        <div class="summary-value"><?= e($activePartners); ?></div>
                                    </div>
                                    <div class="summary-icon green">
                                        <i class="bx bx-check-circle"></i>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="col">
                        <div class="card summary-card">
                            <div class="card-body">
                                <div class="d-flex align-items-center justify-content-between">
                                    <div>
                                        <div class="summary-label">Contacts</div>
                                        <div class="summary-value"><?= e($totalContacts); ?></div>
                                    </div>
                                    <div class="summary-icon orange">
                                        <i class="bx bx-user-pin"></i>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="card content-card">
                    <div class="card-header bg-transparent">
                        <div class="d-flex align-items-center justify-content-between flex-wrap gap-2">
                            <div>
                                <h6 class="section-title mb-0">Partner List</h6>
                                <p class="section-subtitle">Suppliers, producers, vendors, laboratories and related entities</p>
                            </div>

                            <button type="button" class="btn btn-primary btn-sm" id="btnAddPartnerSmall">
                                <i class="bx bx-plus-circle"></i>
                                Add Partner
                            </button>
                        </div>
                    </div>

                    <div class="card-body">
                        <?php if (count($companies) === 0): ?>
                            <div class="alert alert-warning mb-3">
                                <strong>No companies available.</strong>
                                Create at least one company before adding business partners.
                            </div>
                        <?php endif; ?>

                        <div class="table-responsive">
                            <table id="partnersTable" class="table table-striped table-hover align-middle partner-table" style="width:100%">
                                <thead>
                                    <tr>
                                        <th>Partner</th>
                                        <th>Company</th>
                                        <th>Type</th>
                                        <th>External Code</th>
                                        <th>Country / City</th>
                                        <th>Email</th>
                                        <th class="text-center">Contacts</th>
                                        <th class="text-center">Usage</th>
                                        <th>Status</th>
                                        <th class="text-end">Actions</th>
                                    </tr>
                                </thead>

                                <tbody>
                                    <?php foreach ($partners as $partner): ?>
                                        <?php
                                        $usageCount =
                                            (int) $partner['producer_samples_count'] +
                                            (int) $partner['supplier_samples_count'] +
                                            (int) $partner['producer_parts_count'] +
                                            (int) $partner['supplier_parts_count'];

                                        $partnerTypeLabel = $partnerTypes[$partner['partner_type']] ?? ucfirst($partner['partner_type']);
                                        ?>
                                        <tr>
                                            <td>
                                                <div class="partner-name"><?= e($partner['partner_name']); ?></div>
                                                <?php if (!empty($partner['legal_name'])): ?>
                                                    <div class="partner-sub"><?= e($partner['legal_name']); ?></div>
                                                <?php endif; ?>
                                                <?php if (!empty($partner['vat_number'])): ?>
                                                    <div class="partner-sub">VAT: <?= e($partner['vat_number']); ?></div>
                                                <?php endif; ?>
                                            </td>

                                            <td>
                                                <div class="partner-name"><?= e($partner['company_name']); ?></div>
                                            </td>

                                            <td>
                                                <span class="badge-soft-primary"><?= e($partnerTypeLabel); ?></span>
                                            </td>

                                            <td>
                                                <?= !empty($partner['external_code']) ? e($partner['external_code']) : '<span class="text-muted">-</span>'; ?>
                                            </td>

                                            <td>
                                                <div><?= !empty($partner['country_name']) ? e($partner['country_name']) : '<span class="text-muted">-</span>'; ?></div>
                                                <?php if (!empty($partner['city'])): ?>
                                                    <div class="partner-sub"><?= e($partner['city']); ?></div>
                                                <?php endif; ?>
                                            </td>

                                            <td>
                                                <?php if (!empty($partner['email'])): ?>
                                                    <a href="mailto:<?= e($partner['email']); ?>"><?= e($partner['email']); ?></a>
                                                <?php else: ?>
                                                    <span class="text-muted">-</span>
                                                <?php endif; ?>

                                                <?php if (!empty($partner['phone'])): ?>
                                                    <div class="partner-sub"><?= e($partner['phone']); ?></div>
                                                <?php endif; ?>
                                            </td>

                                            <td class="text-center">
                                                <span class="metric-pill">
                                                    <i class="bx bx-user-pin"></i>
                                                    <?= e($partner['contacts_count']); ?>
                                                </span>
                                            </td>

                                            <td class="text-center">
                                                <span class="metric-pill">
                                                    <i class="bx bx-link"></i>
                                                    <?= e($usageCount); ?>
                                                </span>
                                            </td>

                                            <td>
                                                <?php if ($partner['status'] === 'active'): ?>
                                                    <span class="badge-soft-success">Active</span>
                                                <?php elseif ($partner['status'] === 'suspended'): ?>
                                                    <span class="badge-soft-warning">Suspended</span>
                                                <?php else: ?>
                                                    <span class="badge-soft-muted">Inactive</span>
                                                <?php endif; ?>
                                            </td>

                                            <td class="text-end">
                                                <button type="button"
                                                    class="btn-action btnContacts"
                                                    data-id="<?= e($partner['idpartner']); ?>"
                                                    data-name="<?= e($partner['partner_name']); ?>"
                                                    title="Contacts">
                                                    <i class="bx bx-user-pin"></i>
                                                </button>

                                                <button type="button"
                                                    class="btn-action btnEditPartner"
                                                    data-id="<?= e($partner['idpartner']); ?>"
                                                    title="Edit">
                                                    <i class="bx bx-edit-alt"></i>
                                                </button>

                                                <?php if ($partner['status'] === 'active'): ?>
                                                    <button type="button"
                                                        class="btn-action btnChangePartnerStatus"
                                                        data-id="<?= e($partner['idpartner']); ?>"
                                                        data-status="inactive"
                                                        title="Set inactive">
                                                        <i class="bx bx-toggle-right"></i>
                                                    </button>
                                                <?php else: ?>
                                                    <button type="button"
                                                        class="btn-action btnChangePartnerStatus"
                                                        data-id="<?= e($partner['idpartner']); ?>"
                                                        data-status="active"
                                                        title="Set active">
                                                        <i class="bx bx-toggle-left"></i>
                                                    </button>
                                                <?php endif; ?>

                                                <button type="button"
                                                    class="btn-action danger btnDeletePartner"
                                                    data-id="<?= e($partner['idpartner']); ?>"
                                                    title="Delete">
                                                    <i class="bx bx-trash"></i>
                                                </button>
                                            </td>
                                        </tr>
                                    <?php endforeach; ?>
                                </tbody>
                            </table>
                        </div>

                    </div>
                </div>

            </div>
        </div>

        <div class="overlay toggle-icon"></div>

        <a href="javaScript:;" class="back-to-top">
            <i class='bx bxs-up-arrow-alt'></i>
        </a>

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

    <!-- Partner Modal -->
    <div class="modal fade" id="partnerModal" tabindex="-1" aria-labelledby="partnerModalLabel" aria-hidden="true">
        <div class="modal-dialog modal-xl modal-dialog-centered">
            <form id="partnerForm" class="modal-content">
                <input type="hidden" name="action" value="save_partner">
                <input type="hidden" name="idpartner" id="idpartner" value="0">

                <div class="modal-header">
                    <div>
                        <h5 class="modal-title" id="partnerModalLabel">Add Business Partner</h5>
                        <small class="text-muted">Create or update a producer, supplier, vendor, factory or laboratory.</small>
                    </div>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>

                <div class="modal-body">
                    <div class="row g-3">
                        <div class="col-12 col-md-4">
                            <label class="form-label">Company <span class="required-dot">*</span></label>
                            <select class="form-select" name="idcompany" id="idcompany" required>
                                <option value="">Select company</option>
                                <?php foreach ($companies as $company): ?>
                                    <option value="<?= e($company['idcompany']); ?>">
                                        <?= e($company['company_name']); ?>
                                        <?= $company['status'] !== 'active' ? ' - ' . e($company['status']) : ''; ?>
                                    </option>
                                <?php endforeach; ?>
                            </select>
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">Partner Type <span class="required-dot">*</span></label>
                            <select class="form-select" name="partner_type" id="partner_type" required>
                                <?php foreach ($partnerTypes as $value => $label): ?>
                                    <option value="<?= e($value); ?>"><?= e($label); ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">Status</label>
                            <select class="form-select" name="status" id="status">
                                <?php foreach ($partnerStatuses as $value => $label): ?>
                                    <option value="<?= e($value); ?>"><?= e($label); ?></option>
                                <?php endforeach; ?>
                            </select>
                        </div>

                        <div class="col-12 col-md-6">
                            <label class="form-label">Partner Name <span class="required-dot">*</span></label>
                            <input type="text" class="form-control" name="partner_name" id="partner_name" required>
                        </div>

                        <div class="col-12 col-md-6">
                            <label class="form-label">Legal Name</label>
                            <input type="text" class="form-control" name="legal_name" id="legal_name">
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">External Code</label>
                            <input type="text" class="form-control" name="external_code" id="external_code">
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">VAT Number</label>
                            <input type="text" class="form-control" name="vat_number" id="vat_number">
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">Tax Code</label>
                            <input type="text" class="form-control" name="tax_code" id="tax_code">
                        </div>

                        <div class="col-12">
                            <label class="form-label">Address</label>
                            <input type="text" class="form-control" name="address" id="address">
                        </div>

                        <div class="col-12 col-md-3">
                            <label class="form-label">ZIP</label>
                            <input type="text" class="form-control" name="zip" id="zip">
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">City</label>
                            <input type="text" class="form-control" name="city" id="city">
                        </div>

                        <div class="col-12 col-md-5">
                            <label class="form-label">Country</label>
                            <select class="form-select" name="country_id" id="country_id">
                                <option value="">Select country</option>
                                <?php foreach ($countries as $country): ?>
                                    <option value="<?= e($country['id']); ?>">
                                        <?= e($country['name']); ?>
                                        <?= !empty($country['iso_3166_2']) ? ' (' . e($country['iso_3166_2']) . ')' : ''; ?>
                                    </option>
                                <?php endforeach; ?>
                            </select>
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">Email</label>
                            <input type="email" class="form-control" name="email" id="email">
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">Phone</label>
                            <input type="text" class="form-control" name="phone" id="phone">
                        </div>

                        <div class="col-12 col-md-4">
                            <label class="form-label">Website</label>
                            <input type="text" class="form-control" name="website" id="website">
                        </div>

                        <div class="col-12">
                            <label class="form-label">Notes</label>
                            <textarea class="form-control" name="notes" id="notes" rows="3"></textarea>
                        </div>
                    </div>
                </div>

                <div class="modal-footer">
                    <button type="button" class="btn btn-light" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary" id="btnSavePartner">
                        <i class="bx bx-save"></i>
                        Save Partner
                    </button>
                </div>
            </form>
        </div>
    </div>

    <!-- Contacts Modal -->
    <div class="modal fade" id="contactsModal" tabindex="-1" aria-labelledby="contactsModalLabel" aria-hidden="true">
        <div class="modal-dialog modal-xl modal-dialog-centered">
            <div class="modal-content">
                <input type="hidden" id="contacts_idpartner" value="0">

                <div class="modal-header">
                    <div>
                        <h5 class="modal-title" id="contactsModalLabel">Partner Contacts</h5>
                        <small class="text-muted" id="contactsPartnerName"></small>
                    </div>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>

                <div class="modal-body">
                    <div class="d-flex justify-content-end mb-3">
                        <button type="button" class="btn btn-primary btn-sm" id="btnAddContact">
                            <i class="bx bx-user-plus"></i>
                            Add Contact
                        </button>
                    </div>

                    <div id="contactsList" class="contact-list-wrapper">
                        <div class="empty-state">
                            <i class="bx bx-user-pin"></i>
                            <h6>Loading contacts...</h6>
                        </div>
                    </div>

                    <hr class="my-4">

                    <form id="contactForm">
                        <input type="hidden" name="action" value="save_contact">
                        <input type="hidden" name="idcontact" id="idcontact" value="0">
                        <input type="hidden" name="idpartner" id="contact_idpartner" value="0">

                        <h6 class="section-title mb-3" id="contactFormTitle">Add Contact</h6>

                        <div class="row g-3">
                            <div class="col-12 col-md-4">
                                <label class="form-label">Contact Name <span class="required-dot">*</span></label>
                                <input type="text" class="form-control" name="contact_name" id="contact_name" required>
                            </div>

                            <div class="col-12 col-md-4">
                                <label class="form-label">Role</label>
                                <input type="text" class="form-control" name="role" id="role">
                            </div>

                            <div class="col-12 col-md-4">
                                <label class="form-label">Status</label>
                                <select class="form-select" name="status" id="contact_status">
                                    <?php foreach ($contactStatuses as $value => $label): ?>
                                        <option value="<?= e($value); ?>"><?= e($label); ?></option>
                                    <?php endforeach; ?>
                                </select>
                            </div>

                            <div class="col-12 col-md-4">
                                <label class="form-label">Email</label>
                                <input type="email" class="form-control" name="email" id="contact_email">
                            </div>

                            <div class="col-12 col-md-4">
                                <label class="form-label">Phone</label>
                                <input type="text" class="form-control" name="phone" id="contact_phone">
                            </div>

                            <div class="col-12 col-md-4">
                                <label class="form-label">Mobile</label>
                                <input type="text" class="form-control" name="mobile" id="mobile">
                            </div>

                            <div class="col-12 col-md-3">
                                <label class="form-label">Primary Contact</label>
                                <select class="form-select" name="is_primary" id="is_primary">
                                    <option value="0">No</option>
                                    <option value="1">Yes</option>
                                </select>
                            </div>

                            <div class="col-12 col-md-9">
                                <label class="form-label">Notes</label>
                                <input type="text" class="form-control" name="notes" id="contact_notes">
                            </div>
                        </div>

                        <div class="d-flex justify-content-end gap-2 mt-3">
                            <button type="button" class="btn btn-light btn-sm" id="btnResetContactForm">
                                Reset
                            </button>
                            <button type="submit" class="btn btn-primary btn-sm" id="btnSaveContact">
                                <i class="bx bx-save"></i>
                                Save Contact
                            </button>
                        </div>
                    </form>
                </div>

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

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

    <script>
        $(document).ready(function() {
            if ($.fn.DataTable) {
                $('#partnersTable').DataTable({
                    pageLength: 25,
                    order: [
                        [1, 'asc'],
                        [0, 'asc']
                    ],
                    responsive: true,
                    language: {
                        search: "",
                        searchPlaceholder: "Search partners..."
                    }
                });
            }

            const partnerModal = new bootstrap.Modal(document.getElementById('partnerModal'));
            const contactsModal = new bootstrap.Modal(document.getElementById('contactsModal'));

            function showAlert(type, message) {
                if (typeof Swal !== 'undefined') {
                    Swal.fire({
                        icon: type,
                        title: type === 'success' ? 'Done' : 'Attention',
                        text: message,
                        confirmButtonColor: '#2563eb'
                    });
                    return;
                }

                alert(message);
            }

            function reloadAfterSuccess(message) {
                if (typeof Swal !== 'undefined') {
                    Swal.fire({
                        icon: 'success',
                        title: 'Done',
                        text: message,
                        confirmButtonColor: '#2563eb'
                    }).then(function() {
                        window.location.reload();
                    });
                    return;
                }

                alert(message);
                window.location.reload();
            }

            function resetPartnerForm() {
                $('#partnerForm')[0].reset();
                $('#idpartner').val('0');
                $('#partnerModalLabel').text('Add Business Partner');
                $('#partner_type').val('supplier');
                $('#status').val('active');
            }

            function resetContactForm() {
                $('#contactForm')[0].reset();
                $('#idcontact').val('0');
                $('#contact_idpartner').val($('#contacts_idpartner').val());
                $('#contact_status').val('active');
                $('#is_primary').val('0');
                $('#contactFormTitle').text('Add Contact');
            }

            function renderContacts(contacts) {
                if (!contacts || contacts.length === 0) {
                    $('#contactsList').html(`
                        <div class="empty-state">
                            <i class="bx bx-user-pin"></i>
                            <h6>No contacts yet</h6>
                            <p class="mb-0">Add the first contact for this business partner.</p>
                        </div>
                    `);
                    return;
                }

                let html = '';

                contacts.forEach(function(contact) {
                    const primaryBadge = parseInt(contact.is_primary) === 1 ?
                        '<span class="badge-soft-success">Primary</span>' :
                        '';

                    const statusBadge = contact.status === 'active' ?
                        '<span class="badge-soft-primary">Active</span>' :
                        '<span class="badge-soft-muted">Inactive</span>';

                    html += `
                        <div class="contact-row">
                            <div>
                                <div class="contact-name">${escapeHtml(contact.contact_name || '')} ${primaryBadge}</div>
                                <div class="contact-sub">
                                    ${escapeHtml(contact.role || '-')}
                                    ${contact.email ? ' | ' + escapeHtml(contact.email) : ''}
                                    ${contact.phone ? ' | ' + escapeHtml(contact.phone) : ''}
                                    ${contact.mobile ? ' | ' + escapeHtml(contact.mobile) : ''}
                                </div>
                            </div>
                            <div class="d-flex align-items-center gap-2">
                                ${statusBadge}
                                <button type="button" class="btn-action btnEditContact" data-id="${contact.idcontact}" title="Edit contact">
                                    <i class="bx bx-edit-alt"></i>
                                </button>
                                <button type="button" class="btn-action danger btnDeleteContact" data-id="${contact.idcontact}" title="Delete contact">
                                    <i class="bx bx-trash"></i>
                                </button>
                            </div>
                        </div>
                    `;
                });

                $('#contactsList').html(html);
            }

            function escapeHtml(value) {
                return String(value)
                    .replace(/&/g, '&amp;')
                    .replace(/</g, '&lt;')
                    .replace(/>/g, '&gt;')
                    .replace(/"/g, '&quot;')
                    .replace(/'/g, '&#039;');
            }

            function loadContacts(idpartner) {
                $('#contactsList').html(`
                    <div class="empty-state">
                        <i class="bx bx-loader-alt bx-spin"></i>
                        <h6>Loading contacts...</h6>
                    </div>
                `);

                $.ajax({
                    url: 'business-partners.php',
                    type: 'POST',
                    dataType: 'json',
                    data: {
                        action: 'get_partner_contacts',
                        idpartner: idpartner
                    },
                    success: function(response) {
                        if (!response.success) {
                            showAlert('error', response.message || 'Unable to load contacts.');
                            return;
                        }

                        renderContacts(response.contacts);
                    },
                    error: function() {
                        showAlert('error', 'Server error while loading contacts.');
                    }
                });
            }

            $('#btnAddPartner, #btnAddPartnerSmall').on('click', function() {
                resetPartnerForm();
                partnerModal.show();
            });

            $('.btnEditPartner').on('click', function() {
                const idpartner = $(this).data('id');

                $.ajax({
                    url: 'business-partners.php',
                    type: 'POST',
                    dataType: 'json',
                    data: {
                        action: 'get_partner',
                        idpartner: idpartner
                    },
                    success: function(response) {
                        if (!response.success) {
                            showAlert('error', response.message || 'Unable to load partner.');
                            return;
                        }

                        const partner = response.partner;

                        $('#partnerModalLabel').text('Edit Business Partner');
                        $('#idpartner').val(partner.idpartner);
                        $('#idcompany').val(partner.idcompany);
                        $('#partner_type').val(partner.partner_type);
                        $('#partner_name').val(partner.partner_name);
                        $('#legal_name').val(partner.legal_name);
                        $('#external_code').val(partner.external_code);
                        $('#vat_number').val(partner.vat_number);
                        $('#tax_code').val(partner.tax_code);
                        $('#address').val(partner.address);
                        $('#city').val(partner.city);
                        $('#zip').val(partner.zip);
                        $('#country_id').val(partner.country_id);
                        $('#email').val(partner.email);
                        $('#phone').val(partner.phone);
                        $('#website').val(partner.website);
                        $('#notes').val(partner.notes);
                        $('#status').val(partner.status);

                        partnerModal.show();
                    },
                    error: function() {
                        showAlert('error', 'Server error while loading partner.');
                    }
                });
            });

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

                $('#btnSavePartner').prop('disabled', true).html('<i class="bx bx-loader-alt bx-spin"></i> Saving...');

                $.ajax({
                    url: 'business-partners.php',
                    type: 'POST',
                    dataType: 'json',
                    data: $(this).serialize(),
                    success: function(response) {
                        $('#btnSavePartner').prop('disabled', false).html('<i class="bx bx-save"></i> Save Partner');

                        if (!response.success) {
                            showAlert('error', response.message || 'Unable to save partner.');
                            return;
                        }

                        partnerModal.hide();
                        reloadAfterSuccess(response.message || 'Partner saved successfully.');
                    },
                    error: function() {
                        $('#btnSavePartner').prop('disabled', false).html('<i class="bx bx-save"></i> Save Partner');
                        showAlert('error', 'Server error while saving partner.');
                    }
                });
            });

            $('.btnChangePartnerStatus').on('click', function() {
                const idpartner = $(this).data('id');
                const status = $(this).data('status');

                const message = status === 'active' ?
                    'Do you want to activate this partner?' :
                    'Do you want to set this partner as inactive?';

                const doChange = function() {
                    $.ajax({
                        url: 'business-partners.php',
                        type: 'POST',
                        dataType: 'json',
                        data: {
                            action: 'change_partner_status',
                            idpartner: idpartner,
                            status: status
                        },
                        success: function(response) {
                            if (!response.success) {
                                showAlert('error', response.message || 'Unable to update status.');
                                return;
                            }

                            reloadAfterSuccess(response.message || 'Status updated successfully.');
                        },
                        error: function() {
                            showAlert('error', 'Server error while updating status.');
                        }
                    });
                };

                if (typeof Swal !== 'undefined') {
                    Swal.fire({
                        icon: 'question',
                        title: 'Confirm status change',
                        text: message,
                        showCancelButton: true,
                        confirmButtonColor: '#2563eb',
                        cancelButtonColor: '#64748b',
                        confirmButtonText: 'Yes, continue'
                    }).then(function(result) {
                        if (result.isConfirmed) {
                            doChange();
                        }
                    });
                    return;
                }

                if (confirm(message)) {
                    doChange();
                }
            });

            $('.btnDeletePartner').on('click', function() {
                const idpartner = $(this).data('id');

                const doDelete = function() {
                    $.ajax({
                        url: 'business-partners.php',
                        type: 'POST',
                        dataType: 'json',
                        data: {
                            action: 'delete_partner',
                            idpartner: idpartner
                        },
                        success: function(response) {
                            if (!response.success) {
                                showAlert('error', response.message || 'Unable to delete partner.');
                                return;
                            }

                            reloadAfterSuccess(response.message || 'Partner deleted successfully.');
                        },
                        error: function() {
                            showAlert('error', 'Server error while deleting partner.');
                        }
                    });
                };

                if (typeof Swal !== 'undefined') {
                    Swal.fire({
                        icon: 'warning',
                        title: 'Delete partner?',
                        text: 'The partner will be deleted only if it is not linked to samples or BOM parts.',
                        showCancelButton: true,
                        confirmButtonColor: '#dc2626',
                        cancelButtonColor: '#64748b',
                        confirmButtonText: 'Yes, delete'
                    }).then(function(result) {
                        if (result.isConfirmed) {
                            doDelete();
                        }
                    });
                    return;
                }

                if (confirm('Delete partner?')) {
                    doDelete();
                }
            });

            $('.btnContacts').on('click', function() {
                const idpartner = $(this).data('id');
                const partnerName = $(this).data('name');

                $('#contacts_idpartner').val(idpartner);
                $('#contact_idpartner').val(idpartner);
                $('#contactsPartnerName').text(partnerName);
                resetContactForm();

                loadContacts(idpartner);

                contactsModal.show();
            });

            $('#btnAddContact, #btnResetContactForm').on('click', function() {
                resetContactForm();
            });

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

                $('#btnSaveContact').prop('disabled', true).html('<i class="bx bx-loader-alt bx-spin"></i> Saving...');

                $.ajax({
                    url: 'business-partners.php',
                    type: 'POST',
                    dataType: 'json',
                    data: $(this).serialize(),
                    success: function(response) {
                        $('#btnSaveContact').prop('disabled', false).html('<i class="bx bx-save"></i> Save Contact');

                        if (!response.success) {
                            showAlert('error', response.message || 'Unable to save contact.');
                            return;
                        }

                        resetContactForm();
                        loadContacts($('#contacts_idpartner').val());

                        if (typeof Swal !== 'undefined') {
                            Swal.fire({
                                icon: 'success',
                                title: 'Done',
                                text: response.message || 'Contact saved successfully.',
                                timer: 1200,
                                showConfirmButton: false
                            });
                        }
                    },
                    error: function() {
                        $('#btnSaveContact').prop('disabled', false).html('<i class="bx bx-save"></i> Save Contact');
                        showAlert('error', 'Server error while saving contact.');
                    }
                });
            });

            $(document).on('click', '.btnEditContact', function() {
                const idcontact = $(this).data('id');

                $.ajax({
                    url: 'business-partners.php',
                    type: 'POST',
                    dataType: 'json',
                    data: {
                        action: 'get_contact',
                        idcontact: idcontact
                    },
                    success: function(response) {
                        if (!response.success) {
                            showAlert('error', response.message || 'Unable to load contact.');
                            return;
                        }

                        const contact = response.contact;

                        $('#contactFormTitle').text('Edit Contact');
                        $('#idcontact').val(contact.idcontact);
                        $('#contact_idpartner').val(contact.idpartner);
                        $('#contact_name').val(contact.contact_name);
                        $('#role').val(contact.role);
                        $('#contact_email').val(contact.email);
                        $('#contact_phone').val(contact.phone);
                        $('#mobile').val(contact.mobile);
                        $('#is_primary').val(contact.is_primary);
                        $('#contact_notes').val(contact.notes);
                        $('#contact_status').val(contact.status);
                    },
                    error: function() {
                        showAlert('error', 'Server error while loading contact.');
                    }
                });
            });

            $(document).on('click', '.btnDeleteContact', function() {
                const idcontact = $(this).data('id');

                const doDelete = function() {
                    $.ajax({
                        url: 'business-partners.php',
                        type: 'POST',
                        dataType: 'json',
                        data: {
                            action: 'delete_contact',
                            idcontact: idcontact
                        },
                        success: function(response) {
                            if (!response.success) {
                                showAlert('error', response.message || 'Unable to delete contact.');
                                return;
                            }

                            resetContactForm();
                            loadContacts($('#contacts_idpartner').val());
                        },
                        error: function() {
                            showAlert('error', 'Server error while deleting contact.');
                        }
                    });
                };

                if (typeof Swal !== 'undefined') {
                    Swal.fire({
                        icon: 'warning',
                        title: 'Delete contact?',
                        text: 'This contact will be removed from the business partner.',
                        showCancelButton: true,
                        confirmButtonColor: '#dc2626',
                        cancelButtonColor: '#64748b',
                        confirmButtonText: 'Yes, delete'
                    }).then(function(result) {
                        if (result.isConfirmed) {
                            doDelete();
                        }
                    });
                    return;
                }

                if (confirm('Delete contact?')) {
                    doDelete();
                }
            });
        });
    </script>

</body>

</html>