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

if (!isset($iduserlogin)) {
    die("Errore: utente non loggato.");
}

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

/*
|--------------------------------------------------------------------------
| 1) Recupera la scuola (come nel tuo esempio)
|--------------------------------------------------------------------------
*/
$stmt = $pdo->prepare("SELECT id, name FROM schools WHERE owner_id = ? LIMIT 1");
$stmt->execute([$iduserlogin]);
$school = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$school) {
    die("Scuola non trovata.");
}

$school_id = (int)$school['id'];

/*
|--------------------------------------------------------------------------
| 2) Recupera school_settings (per sapere se notifiche sono abilitate globalmente)
|--------------------------------------------------------------------------
*/
$stmt = $pdo->prepare("SELECT enable_notifications FROM school_settings WHERE school_id = ? LIMIT 1");
$stmt->execute([$school_id]);
$schoolSettings = $stmt->fetch(PDO::FETCH_ASSOC);

$school_enable_notifications = isset($schoolSettings['enable_notifications'])
    ? (int)$schoolSettings['enable_notifications']
    : 1; // default ON se non esiste riga

/*
|--------------------------------------------------------------------------
| 3) Recupera user_settings (per questo utente in questa scuola)
|--------------------------------------------------------------------------
*/
$stmt = $pdo->prepare("SELECT * FROM user_settings WHERE school_id = ? AND user_id = ? LIMIT 1");
$stmt->execute([$school_id, (int)$iduserlogin]);
$settings = $stmt->fetch(PDO::FETCH_ASSOC);

$is_new = !$settings;

$success_message = "";
$error = "";

/*
|--------------------------------------------------------------------------
| 4) Salvataggio POST
|--------------------------------------------------------------------------
*/
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // NOTA: se scuola disabilita notifiche globalmente, forzo tutto a 0
    $notifications_allowed = ($school_enable_notifications === 1);

    $notify_email    = (!empty($_POST['notify_email']) && $notifications_allowed) ? 1 : 0;
    $notify_whatsapp = (!empty($_POST['notify_whatsapp']) && $notifications_allowed) ? 1 : 0;
    $notify_push     = (!empty($_POST['notify_push']) && $notifications_allowed) ? 1 : 0;

    $notify_booking_confirm    = (!empty($_POST['notify_booking_confirm']) && $notifications_allowed) ? 1 : 0;
    $notify_booking_cancel     = (!empty($_POST['notify_booking_cancel']) && $notifications_allowed) ? 1 : 0;
    $notify_session_cancel     = (!empty($_POST['notify_session_cancel']) && $notifications_allowed) ? 1 : 0;
    $notify_payment_receipt    = (!empty($_POST['notify_payment_receipt']) && $notifications_allowed) ? 1 : 0;
    $notify_expiration_reminder = (!empty($_POST['notify_expiration_reminder']) && $notifications_allowed) ? 1 : 0;

    // MARKETING
    $newsletter_opt_in = !empty($_POST['newsletter_opt_in']) ? 1 : 0;
    $marketing_opt_in  = !empty($_POST['marketing_opt_in']) ? 1 : 0;

    // PREFERENZE
    $locale   = trim($_POST['locale'] ?? 'it');
    $timezone = trim($_POST['timezone'] ?? 'Europe/Rome');

    // whitelist minima (anti valori strani)
    $allowed_locales = ['it', 'en', 'es'];
    if (!in_array($locale, $allowed_locales, true)) $locale = 'it';
    if ($timezone === '') $timezone = 'Europe/Rome';

    try {
        if ($is_new) {
            $stmt = $pdo->prepare("
                INSERT INTO user_settings
                (school_id, user_id,
                 notify_email, notify_whatsapp, notify_push,
                 notify_booking_confirm, notify_booking_cancel, notify_session_cancel,
                 notify_payment_receipt, notify_expiration_reminder,
                 newsletter_opt_in, marketing_opt_in,
                 locale, timezone)
                VALUES
                (?, ?,
                 ?, ?, ?,
                 ?, ?, ?,
                 ?, ?,
                 ?, ?,
                 ?, ?)
            ");

            $stmt->execute([
                $school_id,
                (int)$iduserlogin,
                $notify_email,
                $notify_whatsapp,
                $notify_push,
                $notify_booking_confirm,
                $notify_booking_cancel,
                $notify_session_cancel,
                $notify_payment_receipt,
                $notify_expiration_reminder,
                $newsletter_opt_in,
                $marketing_opt_in,
                $locale,
                $timezone
            ]);

            $success_message = "Impostazioni utente create con successo!";
        } else {
            $stmt = $pdo->prepare("
                UPDATE user_settings SET
                    notify_email = ?, notify_whatsapp = ?, notify_push = ?,
                    notify_booking_confirm = ?, notify_booking_cancel = ?, notify_session_cancel = ?,
                    notify_payment_receipt = ?, notify_expiration_reminder = ?,
                    newsletter_opt_in = ?, marketing_opt_in = ?,
                    locale = ?, timezone = ?
                WHERE school_id = ? AND user_id = ?
                LIMIT 1
            ");

            $stmt->execute([
                $notify_email,
                $notify_whatsapp,
                $notify_push,
                $notify_booking_confirm,
                $notify_booking_cancel,
                $notify_session_cancel,
                $notify_payment_receipt,
                $notify_expiration_reminder,
                $newsletter_opt_in,
                $marketing_opt_in,
                $locale,
                $timezone,
                $school_id,
                (int)$iduserlogin
            ]);

            $success_message = "Impostazioni utente aggiornate con successo!";
        }

        // ricarica valori aggiornati
        $stmt = $pdo->prepare("SELECT * FROM user_settings WHERE school_id = ? AND user_id = ? LIMIT 1");
        $stmt->execute([$school_id, (int)$iduserlogin]);
        $settings = $stmt->fetch(PDO::FETCH_ASSOC);
        $is_new = !$settings;
    } catch (Exception $e) {
        $error = "Errore database: " . $e->getMessage();
    }
}

/*
|--------------------------------------------------------------------------
| 5) Defaults (se non esiste ancora riga)
|--------------------------------------------------------------------------
*/
$defaults = [
    'notify_email' => 1,
    'notify_whatsapp' => 0,
    'notify_push' => 0,
    'notify_booking_confirm' => 1,
    'notify_booking_cancel' => 1,
    'notify_session_cancel' => 1,
    'notify_payment_receipt' => 1,
    'notify_expiration_reminder' => 1,
    'newsletter_opt_in' => 0,
    'marketing_opt_in' => 0,
    'locale' => 'it',
    'timezone' => 'Europe/Rome'
];

$settings = $settings ?: $defaults;
?>
<!doctype html>
<html lang="it">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Impostazioni Utente - <?php echo htmlspecialchars($school['name']); ?></title>
    <?php include('cssinclude.php'); ?>
    <?php include('siteinfo.php'); ?>
    <style>
        .card {
            border-radius: 15px;
        }

        .form-check-input:checked {
            background-color: #0d6efd;
            border-color: #0d6efd;
        }

        .section-title {
            font-weight: 700;
        }

        .small-note {
            font-size: .85rem;
        }

        .disabled-overlay {
            opacity: .55;
            pointer-events: none;
        }
    </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="container-xl">
                    <div class="row">
                        <div class="col-12">

                            <div class="card shadow">
                                <div class="card-header bg-primary text-white d-flex justify-content-between align-items-center">
                                    <h4 class="mb-0">Impostazioni Utente</h4>
                                    <span class="badge bg-light text-dark">
                                        <?php echo htmlspecialchars($school['name']); ?>
                                    </span>
                                </div>

                                <div class="card-body">

                                    <?php if ($success_message): ?>
                                        <div class="alert alert-success alert-dismissible fade show">
                                            <?php echo $success_message; ?>
                                            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                                        </div>
                                    <?php endif; ?>

                                    <?php if ($error): ?>
                                        <div class="alert alert-danger">
                                            <?php echo htmlspecialchars($error); ?>
                                        </div>
                                    <?php endif; ?>

                                    <?php if ((int)$school_enable_notifications !== 1): ?>
                                        <div class="alert alert-warning">
                                            Le notifiche sono disattivate a livello di scuola. Le preferenze qui sotto non avranno effetto finché non vengono riattivate.
                                        </div>
                                    <?php endif; ?>

                                    <form method="POST">

                                        <!-- NOTIFICHE -->
                                        <h5 class="text-primary mb-3 section-title">Notifiche</h5>

                                        <div id="notificationsBlock" class="<?php echo ((int)$school_enable_notifications !== 1) ? 'disabled-overlay' : ''; ?>">
                                            <div class="row g-4 align-items-center mb-3">
                                                <div class="col-md-4">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_email" id="notify_email"
                                                            <?php echo !empty($settings['notify_email']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_email">Email</label>
                                                    </div>
                                                    <div class="text-muted small-note">Conferme, cancellazioni, promemoria.</div>
                                                </div>

                                                <div class="col-md-4">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_whatsapp" id="notify_whatsapp"
                                                            <?php echo !empty($settings['notify_whatsapp']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_whatsapp">WhatsApp</label>
                                                    </div>
                                                    <div class="text-muted small-note">Da attivare quando integri WA.</div>
                                                </div>

                                                <div class="col-md-4">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_push" id="notify_push"
                                                            <?php echo !empty($settings['notify_push']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_push">Push</label>
                                                    </div>
                                                    <div class="text-muted small-note">Da attivare quando integri app/push.</div>
                                                </div>
                                            </div>

                                            <hr class="my-4">

                                            <h6 class="mb-3">Eventi</h6>

                                            <div class="row g-3">
                                                <div class="col-md-6">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_booking_confirm" id="notify_booking_confirm"
                                                            <?php echo !empty($settings['notify_booking_confirm']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_booking_confirm">Conferma prenotazione</label>
                                                    </div>
                                                </div>

                                                <div class="col-md-6">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_booking_cancel" id="notify_booking_cancel"
                                                            <?php echo !empty($settings['notify_booking_cancel']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_booking_cancel">Cancellazione prenotazione</label>
                                                    </div>
                                                </div>

                                                <div class="col-md-6">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_session_cancel" id="notify_session_cancel"
                                                            <?php echo !empty($settings['notify_session_cancel']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_session_cancel">Lezione cancellata dalla scuola</label>
                                                    </div>
                                                </div>

                                                <div class="col-md-6">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_payment_receipt" id="notify_payment_receipt"
                                                            <?php echo !empty($settings['notify_payment_receipt']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_payment_receipt">Ricevuta / conferma pagamento</label>
                                                    </div>
                                                </div>

                                                <div class="col-md-6">
                                                    <div class="form-check form-switch">
                                                        <input class="form-check-input" type="checkbox" name="notify_expiration_reminder" id="notify_expiration_reminder"
                                                            <?php echo !empty($settings['notify_expiration_reminder']) ? 'checked' : ''; ?>>
                                                        <label class="form-check-label" for="notify_expiration_reminder">Promemoria scadenza abbonamento</label>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>

                                        <hr class="my-5">

                                        <!-- MARKETING -->
                                        <h5 class="text-primary mb-3 section-title">Newsletter e comunicazioni</h5>

                                        <div class="row g-3">
                                            <div class="col-md-6">
                                                <div class="form-check form-switch">
                                                    <input class="form-check-input" type="checkbox" name="newsletter_opt_in" id="newsletter_opt_in"
                                                        <?php echo !empty($settings['newsletter_opt_in']) ? 'checked' : ''; ?>>
                                                    <label class="form-check-label" for="newsletter_opt_in">Newsletter</label>
                                                </div>
                                                <div class="text-muted small-note">Novità, eventi, contenuti.</div>
                                            </div>

                                            <div class="col-md-6">
                                                <div class="form-check form-switch">
                                                    <input class="form-check-input" type="checkbox" name="marketing_opt_in" id="marketing_opt_in"
                                                        <?php echo !empty($settings['marketing_opt_in']) ? 'checked' : ''; ?>>
                                                    <label class="form-check-label" for="marketing_opt_in">Promo e offerte</label>
                                                </div>
                                                <div class="text-muted small-note">Sconti, pacchetti speciali, promozioni.</div>
                                            </div>
                                        </div>

                                        <hr class="my-5">

                                        <!-- PREFERENZE -->
                                        <h5 class="text-primary mb-3 section-title">Preferenze</h5>

                                        <div class="row g-3">
                                            <div class="col-md-6">
                                                <label class="form-label">Lingua</label>
                                                <select name="locale" class="form-select">
                                                    <option value="it" <?php echo ($settings['locale'] ?? 'it') === 'it' ? 'selected' : ''; ?>>Italiano</option>
                                                    <option value="en" <?php echo ($settings['locale'] ?? '') === 'en' ? 'selected' : ''; ?>>English</option>
                                                    <option value="es" <?php echo ($settings['locale'] ?? '') === 'es' ? 'selected' : ''; ?>>Español</option>
                                                </select>
                                            </div>

                                            <div class="col-md-6">
                                                <label class="form-label">Timezone</label>
                                                <input type="text" name="timezone" class="form-control"
                                                    value="<?php echo htmlspecialchars($settings['timezone'] ?? 'Europe/Rome'); ?>">
                                                <div class="text-muted small-note">Esempio: Europe/Rome</div>
                                            </div>
                                        </div>

                                        <div class="text-center mt-5">
                                            <button type="submit" class="btn btn-primary btn-lg px-5">
                                                Salva Impostazioni
                                            </button>
                                        </div>

                                    </form>

                                </div>
                            </div>

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

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

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

</html>