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

error_log("DASHBOARD HIT - user=" . ($_SESSION['iduserlogin'] ?? 'NOUSER') . " school=" . var_export($_SESSION['school_id'] ?? null, true));

if (!isset($iduserlogin)) {
    header('Location: login.php');
    exit;
}

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

/*
|--------------------------------------------------------------------------
| 1) Carico le scuole attive dell'utente
|--------------------------------------------------------------------------
*/
$stmt = $pdo->prepare("
    SELECT 
        s.id, 
        s.name, 
        s.logo,
        s.address_street,
        s.address_city,
        s.address_postal_code,
        s.address_province,
        s.address_country
    FROM user_schools us
    JOIN schools s ON us.school_id = s.id
    WHERE us.user_id = ?
    AND us.status = 'active'
    AND s.status = 'active'
    ORDER BY s.name
");
$stmt->execute([(int)$iduserlogin]);
$userSchools = $stmt->fetchAll(PDO::FETCH_ASSOC);

/*
|--------------------------------------------------------------------------
| 2) Cambio scuola da modale (POST)
|--------------------------------------------------------------------------
*/
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'change_school') {
    $newSchoolId = (int)($_POST['school_id'] ?? 0);

    $allowedIds = array_map(fn($r) => (int)$r['id'], $userSchools);

    if ($newSchoolId > 0 && in_array($newSchoolId, $allowedIds, true)) {
        // imposto sessione
        $_SESSION['school_id'] = $newSchoolId;

        // imposto anche il nome (comodo per UI)
        foreach ($userSchools as $r) {
            if ((int)$r['id'] === $newSchoolId) {
                $_SESSION['school_name'] = $r['name'];
                break;
            }
        }

        // flag: selezione esplicita
        $_SESSION['school_selected'] = 1;

        header('Location: user_dashboard.php');
        exit;
    }
}

/*
|--------------------------------------------------------------------------
| 3) Validazione school_id in sessione
|--------------------------------------------------------------------------
*/
$allowedIds = array_map(fn($r) => (int)$r['id'], $userSchools);

// Se l'utente non ha scuole -> vai alla select (dove vedrà le pubbliche)
if (count($userSchools) === 0) {
    header('Location: select_school.php');
    exit;
}

// Se school_id esiste ma NON appartiene all'utente -> reset
if (!empty($_SESSION['school_id']) && !in_array((int)$_SESSION['school_id'], $allowedIds, true)) {
    unset($_SESSION['school_id'], $_SESSION['school_name'], $_SESSION['school_selected']);
}

// Caso: una sola scuola -> auto-select (OK)
if (count($userSchools) === 1 && empty($_SESSION['school_id'])) {
    $_SESSION['school_id'] = (int)$userSchools[0]['id'];
    $_SESSION['school_name'] = $userSchools[0]['name'];
    $_SESSION['school_selected'] = 1;
}

// Caso: più scuole -> OBBLIGO selezione esplicita
if (count($userSchools) > 1) {
    if (empty($_SESSION['school_id']) || empty($_SESSION['school_selected'])) {
        header('Location: select_school.php');
        exit;
    }
}


// === DATI UTENTE ===
$stmt = $pdo->prepare("SELECT first_name, last_name, email, avatar FROM auth_users WHERE id = ?");
$stmt->execute([$iduserlogin]);
$user = $stmt->fetch();
$avatar = $user['avatar'] ? '../upload/users/' . $user['avatar'] : '../assets/images/default-avatar.png';

// === SCUOLA CORRENTE ===
$school_id = (int)($_SESSION['school_id'] ?? 0);

if ($school_id <= 0) {
    header('Location: select_school.php');
    exit;
}


$school_name = 'Nessuna scuola selezionata';
$school_logo_path = null; // niente default

if ($school_id) {
    $stmt = $pdo->prepare("SELECT name, logo FROM schools WHERE id = ?");
    $stmt->execute([$school_id]);
    $school = $stmt->fetch();

    if ($school) {
        $school_name = $school['name'];
        if (!empty($school['logo']) && file_exists("photoschool/" . $school['logo'])) {
            $school_logo_path = "photoschool/" . $school['logo'];
        }
    }
}

// === ORDINI UTENTE ===
$stmt = $pdo->prepare("
    SELECT o.*, p.name AS product_name, pv.name AS variation_name,
           c.name AS class_name, ct.level, ct.day_of_week
    FROM orders o
    JOIN products p ON o.product_id = p.id
    LEFT JOIN product_variations pv ON o.variation_id = pv.id
    LEFT JOIN classes c ON o.class_id = c.id
    LEFT JOIN class_types ct ON o.class_type_id = ct.id
    WHERE o.user_id = ? AND o.school_id = ?
    ORDER BY o.created_at DESC
");
$stmt->execute([$iduserlogin, $school_id]);
$orders = $stmt->fetchAll();

// === STATISTICHE RAPIDE ===
$total_spent = array_sum(array_column($orders, 'price'));
$total_entries = array_sum(array_column($orders, 'total_entries'));
$available_entries = array_sum(array_column($orders, 'available_entries'));
$active_orders = count(array_filter($orders, fn($o) => $o['status'] === 'completed' && (!$o['expiration_date'] || strtotime($o['expiration_date']) >= time())));
?>

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

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>La mia Dashboard - Yogiboook</title>
    <?php include('cssinclude.php'); ?>
    <?php include('siteinfo.php'); ?>
    <style>
        :root {
            --pastel-blue: #94bacc;
            --pastel-green: #a3d9b1;
            --pastel-pink: #f8bbd0;
            --pastel-yellow: #fff8c4;
        }

        .card-pastel {
            background: linear-gradient(135deg, #94bacc, #a3d9b1);
            color: white;
        }

        .card-soft {
            background: #ffffff;
            border: 1px solid #e0e0e0;
        }

        .stat-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .avatar-circle {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border: 4px solid white;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .table-pastel thead {
            background-color: var(--pastel-blue);
            color: white;
        }

        .badge-soft {
            padding: 0.4em 0.8em;
            border-radius: 50px;
            font-size: 0.85rem;
        }
    </style>
</head>

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

        <div class="page-wrapper">
            <div class="page-content" style="background: linear-gradient(to bottom, #f0f8ff, #f8f9fa); min-height: 100vh;">

                <!-- SCUOLA + BENVENUTO -->
                <div class="container-fluid px-4 pt-4">
                    <div class="card card-pastel radius-20 shadow-lg mb-4 position-relative">
                        <div class="card-body text-center py-5">

                            <!-- Logo solo se esiste -->
                            <?php if ($school_logo_path): ?>
                                <img src="<?php echo htmlspecialchars($school_logo_path); ?>"
                                    alt="Logo <?php echo htmlspecialchars($school_name); ?>"
                                    class="mb-4 rounded-3 shadow"
                                    style="height: 90px; object-fit: contain;">
                            <?php endif; ?>

                            <!-- Saluto -->
                            <h2 class="mb-2 text-white">
                                Ciao<?php echo $user['first_name'] ? ', ' . htmlspecialchars($user['first_name']) : ''; ?>!
                            </h2>
                            <p class="mb-0 fs-4 text-white opacity-90">
                                Sei nella scuola: <strong><?php echo htmlspecialchars($school_name); ?></strong>
                            </p>

                            <!-- PULSANTI IN RIGA (uno accanto all'altro) -->
                            <div class="position-absolute top-0 end-0 mt-3 me-3 d-flex gap-2">
                                <a href="my_lessons.php" class="btn btn-light btn-lg shadow-sm px-4">
                                    <i class="bx bx-calendar-heart me-2"></i>Le mie lezioni
                                </a>
                                <button type="button" class="btn btn-outline-light btn-lg shadow-sm px-4"
                                    data-bs-toggle="modal" data-bs-target="#changeSchoolModal">
                                    <i class="bx bx-transfer me-2"></i>Cambia scuola
                                </button>
                            </div>
                        </div>
                    </div>

                    <!-- PROFILO + STATISTICHE -->
                    <div class="row g-4 mb-5">
                        <div class="col-lg-4">
                            <div class="card stat-card text-center h-100">
                                <div class="card-body">
                                    <img src="<?php echo $avatar; ?>" alt="Avatar" class="rounded-circle avatar-circle mb-3">
                                    <h5><?php echo htmlspecialchars($user['first_name'] . ' ' . $user['last_name']); ?></h5>
                                    <p class="text-muted"><?php echo htmlspecialchars($user['email']); ?></p>
                                </div>
                            </div>
                        </div>
                        <div class="col-lg-8">
                            <div class="row g-4">
                                <div class="col-md-4">
                                    <div class="card stat-card text-center h-100">
                                        <div class="card-body">
                                            <h3 class="text-primary fw-bold"><?php echo count($orders); ?></h3>
                                            <p class="mb-0">Ordini totali</p>
                                        </div>
                                    </div>
                                </div>
                                <div class="col-md-4">
                                    <div class="card stat-card text-center h-100">
                                        <div class="card-body">
                                            <h3 class="text-success fw-bold">€<?php echo number_format($total_spent, 2); ?></h3>
                                            <p class="mb-0">Speso in totale</p>
                                        </div>
                                    </div>
                                </div>
                                <div class="col-md-4">
                                    <div class="card stat-card text-center h-100">
                                        <div class="card-body">
                                            <h3 class="text-info fw-bold"><?php echo $available_entries; ?></h3>
                                            <p class="mb-0">Ingressi disponibili</p>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- I TUOI ORDINI -->
                    <div class="card radius-20 shadow-lg">
                        <div class="card-header bg-primary text-white d-flex justify-content-between align-items-center">
                            <h4 class="mb-0">I tuoi ordini</h4>
                            <span class="badge bg-light text-dark"><?php echo count($orders); ?> totali</span>
                        </div>
                        <div class="card-body p-0">
                            <?php if (empty($orders)): ?>
                                <div class="text-center py-5">
                                    <i class="bx bx-package bx-lg text-muted"></i>
                                    <h5 class="text-muted mt-3">Non hai ancora effettuato ordini</h5>
                                    <a href="products.php" class="btn btn-primary mt-3">Vai ai corsi</a>
                                </div>
                            <?php else: ?>
                                <div class="table-responsive">
                                    <table class="table table-hover align-middle mb-0">
                                        <thead class="table-pastel">
                                            <tr>
                                                <th>Data</th>
                                                <th>Ordine</th>
                                                <th>Prodotto</th>
                                                <th>Ingressi</th>
                                                <th>Scadenza</th>
                                                <th>Prezzo</th>
                                                <th>Stato</th>
                                            </tr>
                                        </thead>
                                        <tbody>
                                            <?php foreach ($orders as $o): ?>
                                                <tr class="table-light">
                                                    <td><?php echo date('d/m/Y', strtotime($o['created_at'])); ?></td>
                                                    <td><strong>#<?php echo $o['order_number']; ?></strong></td>
                                                    <td>
                                                        <strong><?php echo htmlspecialchars($o['product_name']); ?></strong>
                                                        <?php if ($o['variation_name']): ?>
                                                            <br><small class="text-success"><?php echo htmlspecialchars($o['variation_name']); ?></small>
                                                        <?php endif; ?>
                                                        <?php if ($o['class_name']): ?>
                                                            <br><small class="text-info"><?php echo htmlspecialchars($o['class_name']); ?></small>
                                                        <?php endif; ?>
                                                    </td>
                                                    <td>
                                                        <?php if ($o['available_entries'] != $o['total_entries']): ?>
                                                            <span class="text-success"><?php echo $o['available_entries']; ?></span>/<?php echo $o['total_entries']; ?>
                                                        <?php else: ?>
                                                            <?php echo $o['total_entries']; ?>
                                                        <?php endif; ?>
                                                    </td>
                                                    <td>
                                                        <?php if ($o['expiration_date']): ?>
                                                            <span class="<?php echo strtotime($o['expiration_date']) < time() ? 'text-danger' : 'text-warning'; ?>">
                                                                <?php echo date('d/m/Y', strtotime($o['expiration_date'])); ?>
                                                            </span>
                                                        <?php else: ?>
                                                            <em>Nessuna</em>
                                                        <?php endif; ?>
                                                    </td>
                                                    <td class="text-success fw-bold">€<?php echo number_format($o['price'], 2); ?></td>
                                                    <td>
                                                        <span class="badge-soft <?php echo $o['status'] == 'completed' ? 'bg-success' : ($o['status'] == 'pending' ? 'bg-warning' : 'bg-secondary'); ?>">
                                                            <?php echo ucfirst($o['status']); ?>
                                                        </span>
                                                    </td>
                                                </tr>
                                            <?php endforeach; ?>
                                        </tbody>
                                    </table>
                                </div>
                            <?php endif; ?>
                        </div>
                    </div>

                </div>
            </div>
        </div>

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

    <?php include('jsinclude.php'); ?>
    <!-- Modal Cambia Scuola -->
    <div class="modal fade" id="changeSchoolModal" tabindex="-1">
        <div class="modal-dialog modal-lg">
            <div class="modal-content">
                <div class="modal-header bg-primary text-white">
                    <h5 class="modal-title">Scegli la scuola</h5>
                    <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body">
                    <?php if (empty($userSchools)): ?>
                        <div class="text-center text-muted py-4">
                            Nessuna scuola associata.
                        </div>
                    <?php else: ?>
                        <div class="row g-3">
                            <?php foreach ($userSchools as $s): ?>
                                <?php
                                $sid  = (int)$s['id'];
                                $sname = $s['name'];
                                $logoPath = null;
                                $logoRaw  = trim((string)($s['logo'] ?? ''));

                                if ($logoRaw !== '') {
                                    // se in DB è già "photoschool/xxx.jpg" lo uso così com'è
                                    $logoRel = ltrim($logoRaw, '/');

                                    // check file su disco (stessa cartella di questo file)
                                    $disk1 = __DIR__ . '/' . $logoRel;
                                    $disk2 = __DIR__ . '/../' . $logoRel;

                                    if (is_file($disk1)) {
                                        $logoPath = $logoRel;
                                    } elseif (is_file($disk2)) {
                                        $logoPath = '../' . $logoRel;
                                    } else {
                                        // fallback web
                                        $logoPath = $logoRel;
                                    }
                                }

                                $isCurrent = ($sid === (int)$school_id);
                                ?>
                                <div class="col-md-6">
                                    <div class="card shadow-sm h-100">
                                        <div class="card-body d-flex align-items-center gap-3">
                                            <?php if ($logoPath): ?>
                                                <img src="<?= htmlspecialchars($logoPath) ?>" style="height:50px;width:auto;" class="rounded" onerror="this.style.display='none';">
                                            <?php else: ?>
                                                <i class="bx bx-building-house bx-md text-muted"></i>
                                            <?php endif; ?>

                                            <div class="flex-grow-1">
                                                <div class="fw-bold"><?= htmlspecialchars($sname) ?></div>
                                                <?php
                                                $addrParts = [];

                                                if (!empty($s['address_street'])) {
                                                    $addrParts[] = $s['address_street'];
                                                }

                                                $cityLine = trim(
                                                    ($s['address_postal_code'] ?? '') . ' ' .
                                                        ($s['address_city'] ?? '') .
                                                        (!empty($s['address_province']) ? ' (' . $s['address_province'] . ')' : '')
                                                );

                                                if ($cityLine !== '') {
                                                    $addrParts[] = $cityLine;
                                                }

                                                if (!empty($s['address_country'])) {
                                                    $addrParts[] = $s['address_country'];
                                                }

                                                $fullAddress = implode(', ', array_map('trim', $addrParts));
                                                ?>

                                                <?php if ($fullAddress !== ''): ?>
                                                    <div class="text-muted small">
                                                        <i class="bx bx-map me-1"></i><?= htmlspecialchars($fullAddress) ?>
                                                    </div>
                                                <?php endif; ?>

                                                <?php if ($isCurrent): ?>
                                                    <div class="text-success small">Selezionata</div>
                                                <?php endif; ?>
                                            </div>

                                            <?php if (!$isCurrent): ?>
                                                <form method="POST" class="m-0">
                                                    <input type="hidden" name="action" value="change_school">
                                                    <input type="hidden" name="school_id" value="<?= $sid ?>">
                                                    <button type="submit" class="btn btn-primary">
                                                        Seleziona
                                                    </button>
                                                </form>
                                            <?php endif; ?>
                                        </div>
                                    </div>
                                </div>
                            <?php endforeach; ?>
                        </div>
                    <?php endif; ?>
                </div>

            </div>
        </div>
    </div>
</body>

</html>