<?php require_once('include/headscript.php'); ?>
<?php
/**
 * Connessione unica PDO riusata per tutta la pagina.
 * DBHandlerSelect è un singleton: una sola connessione per richiesta.
 * $iduserlogin arriva dalla sessione autenticata (headscript.php).
 */
$pdo = DBHandlerSelect::getInstance()->getConnection();

// Forziamo l'id utente a intero: viene dalla sessione, ma è comunque
// buona norma non fidarsi mai e trattarlo come integer.
$iduserlogin = (int) $iduserlogin;

/* -------------------------------------------------------------------------
 * 1) Calcolo del mese da visualizzare
 * ---------------------------------------------------------------------- */
if (isset($_GET['prev_month'])) {
    $currentMonthStart = preg_replace('/[^0-9\-]/', '', $_GET['prev_month']) . '-01';
} elseif (isset($_GET['next_month'])) {
    $currentMonthStart = preg_replace('/[^0-9\-]/', '', $_GET['next_month']) . '-01';
} else {
    $currentMonthStart = date("Y-m-01");
}

// Validazione: se la stringa non è una data valida, torna al mese corrente
$ts = strtotime($currentMonthStart);
if ($ts === false) {
    $currentMonthStart = date("Y-m-01");
}

$currentDate = date("Y-m-d");

// Se oggi è dopo l'inizio del mese scelto, parti da oggi
if ($currentDate > $currentMonthStart) {
    $currentMonthStart = $currentDate;
}

$currentMonthEnd = date("Y-m-t", strtotime($currentMonthStart));

/* -------------------------------------------------------------------------
 * 2) Lezioni prenotate nel range del mese
 * ---------------------------------------------------------------------- */
$sqlBooked = "SELECT bookingclass.*, service.*, serviceschedule.*, orderbook.expireon
    FROM bookingclass
    LEFT JOIN service         ON bookingclass.idservice = service.idservice
    LEFT JOIN serviceschedule ON bookingclass.idserviceschedule = serviceschedule.idserviceschedule
    LEFT JOIN orderbook       ON bookingclass.idorder = orderbook.idorderbook
    WHERE bookingclass.iduser = :iduser
      AND bookingclass.status = 'booked'
      AND serviceschedule.dateschedule BETWEEN :monthStart AND DATE_ADD(:monthEnd, INTERVAL 1 DAY)
    ORDER BY serviceschedule.dateschedule";

$stmtBooked = $pdo->prepare($sqlBooked);
$stmtBooked->execute([
    ':iduser'     => $iduserlogin,
    ':monthStart' => $currentMonthStart,
    ':monthEnd'   => $currentMonthEnd,
]);
$bookedRows = $stmtBooked->fetchAll();

/* -------------------------------------------------------------------------
 * 3) Somma dei ticket acquistati dall'utente
 * ---------------------------------------------------------------------- */
$sqlTickets = "SELECT SUM(nticket) AS total_tickets
               FROM orderbook
               WHERE iduser = :iduser";
$stmtTickets = $pdo->prepare($sqlTickets);
$stmtTickets->execute([':iduser' => $iduserlogin]);
$rowTickets = $stmtTickets->fetch();
$totalTickets = (int) ($rowTickets['total_tickets'] ?? 0);

/* -------------------------------------------------------------------------
 * 4) Conteggio stati lezioni (praticate / future / perse / da confermare)
 * ---------------------------------------------------------------------- */
$currentDateTime = date("Y-m-d H:i:s");

$sqlCounts = "SELECT
        COUNT(*) AS total,
        SUM(CASE WHEN serviceschedule.dateschedule <= :now1
                  AND bookingclass.status = 'booked'
                  AND bookingclass.lostlesson = 'N' THEN 1 ELSE 0 END) AS passed,
        SUM(CASE WHEN serviceschedule.dateschedule > :now2
                  AND bookingclass.status = 'booked'
                  AND bookingclass.lostlesson = 'N' THEN 1 ELSE 0 END) AS future,
        SUM(CASE WHEN bookingclass.lostlesson = 'Y'
                  AND bookingclass.status != 'cancelled' THEN 1 ELSE 0 END) AS lost,
        SUM(CASE WHEN bookingclass.status = 'pending' THEN 1 ELSE 0 END) AS pending
    FROM bookingclass
    LEFT JOIN serviceschedule ON bookingclass.idserviceschedule = serviceschedule.idserviceschedule
    WHERE bookingclass.iduser = :iduser
      AND bookingclass.status != 'cancelled'";

$stmtCounts = $pdo->prepare($sqlCounts);
$stmtCounts->execute([
    ':now1'   => $currentDateTime,
    ':now2'   => $currentDateTime,
    ':iduser' => $iduserlogin,
]);
$rowCounts = $stmtCounts->fetch();

$totalRecords  = (int) ($rowCounts['total']   ?? 0);
$passedRecords = (int) ($rowCounts['passed']  ?? 0);
$futureRecords = (int) ($rowCounts['future']  ?? 0);
$lost          = (int) ($rowCounts['lost']    ?? 0);
$pending       = (int) ($rowCounts['pending'] ?? 0);

$toprogram = $totalTickets - $passedRecords - $futureRecords - $pending - $lost;

/* -------------------------------------------------------------------------
 * 5) Pre-caricamento limiti di riprogrammazione per gli ordini coinvolti
 *    (una sola query invece di una per ogni card, dentro il loop)
 * ---------------------------------------------------------------------- */
$reprogramInfo = [];
$orderIds = array_filter(array_unique(array_map(
    fn($r) => (int) ($r['idorder'] ?? 0),
    $bookedRows
)));

if (!empty($orderIds)) {
    // Costruiamo i placeholder ?,?,? in numero pari agli id
    $placeholders = implode(',', array_fill(0, count($orderIds), '?'));
    $sqlReprog = "SELECT idorderbook, maxreschedule, reprogrammed
                  FROM orderbook
                  WHERE idorderbook IN ($placeholders)";
    $stmtReprog = $pdo->prepare($sqlReprog);
    $stmtReprog->execute(array_values($orderIds));
    foreach ($stmtReprog->fetchAll() as $r) {
        $reprogramInfo[(int) $r['idorderbook']] = [
            'max'  => (int) ($r['maxreschedule'] ?? 0),
            'done' => (int) ($r['reprogrammed'] ?? 0),
        ];
    }
}

/* -------------------------------------------------------------------------
 * Helper output sicuro (evita XSS quando stampiamo dati DB nell'HTML)
 * ---------------------------------------------------------------------- */
function e($value): string
{
    return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8');
}

$italianMonths = [
    "January" => "Gennaio",
    "February" => "Febbraio",
    "March" => "Marzo",
    "April" => "Aprile",
    "May" => "Maggio",
    "June" => "Giugno",
    "July" => "Luglio",
    "August" => "Agosto",
    "September" => "Settembre",
    "October" => "Ottobre",
    "November" => "Novembre",
    "December" => "Dicembre"
];
?>
<!doctype html>
<html lang="en">

<head>
    <meta charset="utf-8" />
    <title>YogiBook - Prenotazioni YogaSoul</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta content="YogiBook - Prenotazione facile YogaSOul" name="description" />
    <meta content="Advanced Creative Solutions" name="author" />
    <link rel="shortcut icon" href="assets/images/favicon.ico">

    <link href="assets/css/bootstrap.min.css" id="bootstrap-style" rel="stylesheet" type="text/css" />
    <link href="assets/css/icons.min.css" rel="stylesheet" type="text/css" />
    <link href="assets/css/app.min.css" id="app-style" rel="stylesheet" type="text/css" />
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">

    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@10"></script>

    <style>
        .custom-card {
            margin: 10px auto;
            display: flex;
            width: 90%;
            max-width: 700px;
            background-color: white;
            box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.2s;
        }

        .custom-card:hover {
            transform: translateY(-5px);
        }

        .custom-date-box {
            flex: 1;
            background-color: red;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 0;
            font-size: 60px;
            font-weight: bold;
            border-top-left-radius: 8px;
            border-bottom-left-radius: 8px;
        }

        .custom-day {
            line-height: 1;
        }

        .custom-month {
            font-size: 28px;
        }

        .custom-event-details {
            flex: 2;
            display: flex;
            flex-direction: column;
            padding: 10px 20px;
            background-color: lightblue;
        }

        .custom-heading {
            margin-top: 0;
            font-size: 24px;
        }

        .custom-paragraph {
            margin-bottom: 5px;
        }

        .custom-actions {
            display: none;
            flex-direction: row;
            justify-content: space-between;
            margin-top: 10px;
        }

        .custom-card.expanded .custom-actions {
            display: flex;
        }

        .custom-action-button {
            background-color: #f0f0f0;
            border: none;
            padding: 8px 12px;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .custom-action-button:hover {
            background-color: #e0e0e0;
        }

        @media (max-width: 768px) {
            .custom-card {
                flex-direction: column;
            }

            .custom-date-box,
            .custom-event-details {
                width: 100%;
                border-radius: 0;
            }

            .custom-event-time {
                font-size: 24px;
            }
        }

        .month-navigation {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 20px;
        }

        .month-nav-button {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
        }

        .current-month {
            font-size: 24px;
            margin: 0 20px;
        }

        .card {
            width: 100%;
        }

        .pastel-color {
            border: 1px solid #D1C4CC;
            padding: 0px;
            text-align: center;
            border-radius: 10px;
            margin-right: 20px;
            font-size: 18px;
        }

        .pastel-color.acquistate {
            background-color: #E2C4FB;
        }

        .pastel-color.praticate {
            background-color: #C4E1FB;
        }

        .pastel-color.prenotate {
            background-color: #CDFBC4;
        }

        .pastel-color.conferma {
            background-color: #FBFAC4;
        }

        .pastel-color.programmare {
            background-color: #FBE4C4;
        }

        .pastel-color.perse {
            background-color: #FBC7C4;
        }

        @media (max-width: 768px) {
            .pastel-color {
                margin-right: 0;
                margin-bottom: 20px;
            }
        }
    </style>

    <script>
        function confirmDelete(id, idservice, deletePageUrl) {
            Swal.fire({
                title: "Sei sicuro?",
                text: "Questa prenotazione verrà cancellata e ti verrà richiesto di programmare la lezione!",
                icon: "warning",
                showCancelButton: true,
                confirmButtonColor: "#d33",
                cancelButtonColor: "#3085d6",
                confirmButtonText: "Sì, riprogramma!",
                cancelButtonText: "Annulla"
            }).then((result) => {
                if (result.isConfirmed) {
                    window.location.href = `${deletePageUrl}?id=${id}&idserviceordered=${idservice}`;
                }
            });
        }

        function confirmDeleteOnly(idbookingclass, expirydate) {
            Swal.fire({
                title: "Attenzione",
                html: `
            <strong>Confermi di voler cancellare questa lezione?</strong><br><br>
            <strong>RICORDA:</strong> dovrai riprogrammarla entro la scadenza del tuo abbonamento per non perderla!<br><br>
            <span style="font-size:20px;color:#d33;font-weight:bold;">
               Scadenza: ${expirydate}
            </span>
        `,
                icon: "warning",
                showCancelButton: true,
                confirmButtonText: "Procedi",
                cancelButtonText: "Annulla",
                confirmButtonColor: "#d33",
                cancelButtonColor: "#3085d6"
            }).then((result) => {
                if (result.isConfirmed) {
                    window.location.href = "delete_lesson.php?id=" + idbookingclass;
                }
            });
        }
    </script>
</head>

<body>
    <div id="layout-wrapper">
        <header id="page-topbar" class="isvertical-topbar">
            <div class="navbar-header">
                <div class="d-flex">
                    <?php include('include/logoarea.php'); ?>
                    <button type="button" class="btn btn-sm px-3 font-size-24 header-item waves-effect vertical-menu-btn">
                        <i class="bx bx-menu align-middle"></i>
                    </button>
                    <div class="page-title-box align-self-center d-none d-md-block">
                        <h4 class="page-title mb-0">Prenotazione Classi</h4>
                    </div>
                </div>
                <div class="d-flex">
                    <?php include('include/languageselection.php'); ?>
                    <?php include('include/profiletopbar.php'); ?>
                </div>
            </div>
        </header>
        <?php include('include/sidebar.php'); ?>
        <header class="ishorizontal-topbar">
            <div class="navbar-header">
                <div class="d-flex"></div>
                <div class="topnav">
                    <div class="container-fluid">
                        <nav class="navbar navbar-light navbar-expand-lg topnav-menu"></nav>
                    </div>
                </div>
            </div>
        </header>

        <div class="main-content">
            <div class="page-content">
                <div class="container-fluid">
                    <div class="row">
                        <div class="col-xl-12">
                            <div class="card">
                                <div class="card-body">
                                    <h5>Benvenuta/o </h5>
                                    <p>Di seguito puoi vedere lo stato delle tue prenotazioni</p>
                                    <div class="row">
                                        <div class="col-md-2">
                                            <div class="card pastel-color acquistate">
                                                <div class="card-body">
                                                    <h5 style="font-size: 0.9em;">Lezioni acquistate</h5>
                                                    <p><?php echo e($totalTickets); ?></p>
                                                </div>
                                            </div>
                                        </div>
                                        <div class="col-md-2">
                                            <div class="card pastel-color praticate">
                                                <div class="card-body">
                                                    <h5 style="font-size: 0.9em;">Praticate</h5>
                                                    <p><?php echo e($passedRecords); ?></p>
                                                </div>
                                            </div>
                                        </div>
                                        <div class="col-md-2">
                                            <div class="card pastel-color prenotate">
                                                <div class="card-body">
                                                    <h5 style="font-size: 0.9em;">Prenotate</h5>
                                                    <p><?php echo e($futureRecords); ?></p>
                                                </div>
                                            </div>
                                        </div>
                                        <div class="col-md-2">
                                            <div class="card pastel-color conferma">
                                                <div class="card-body">
                                                    <h5 style="font-size: 0.9em;">Da confermare</h5>
                                                    <p><?php echo e($pending); ?></p>
                                                </div>
                                            </div>
                                        </div>
                                        <div class="col-md-2">
                                            <div class="card pastel-color programmare">
                                                <div class="card-body">
                                                    <h5 style="font-size: 0.9em;">Da programmare</h5>
                                                    <p><?php echo e($toprogram); ?></p>
                                                </div>
                                            </div>
                                        </div>
                                        <div class="col-md-2">
                                            <div class="card pastel-color perse">
                                                <div class="card-body">
                                                    <h5 style="font-size: 0.9em;">Perse</h5>
                                                    <p><?php echo e($lost); ?></p>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                    <div class="alert alert-warning alert-dismissible fade show" role="alert" style="text-align: center;">
                                        <i class="mdi mdi-alert-outline me-2"></i>
                                        Car* Yogi, ti ricordiamo che il pacchetto 4 lezioni ha validità entro le 5 settimane dall'acquisto e il pacchetto da 12 lezioni entro il <strong>20 dicembre 2025</strong> 🙏
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <?php if (isset($_GET['reprogram'])) { ?>
                    <div class="alert alert-success alert-dismissible fade show" role="alert">
                        <i class="mdi mdi-check-all me-2"></i>
                        Richiesta di riprogrammazione inviata con successo!
                        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                    </div>
                <?php } ?>
                <?php if (isset($_GET['deleted'])) { ?>
                    <div class="alert alert-success alert-dismissible fade show" role="alert">
                        <i class="mdi mdi-check-all me-2"></i>
                        Lezione cancellata con successo! Grazie per aver liberato il posto!
                        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                    </div>
                <?php } ?>

                <div class="container-fluid">
                    <div class="row">
                        <div class="col-xl-12">
                            <div class="card">
                                <div class="card-body">
                                    <div class="">
                                        <div class="row mb-2">
                                            <div class="col-xl-3 col-md-12">
                                                <div class="pb-3 pb-xl-0">
                                                    <form class="email-search">
                                                        <div class="position-relative">
                                                            <h3>Lezioni Programmate</h3>
                                                        </div>
                                                    </form>
                                                </div>
                                            </div>
                                            <div class="col-xl-9 col-md-12">
                                                <div class="text-sm-end">
                                                    <?php if ($toprogram > 0) { ?>
                                                        <a href="selectorder.php">
                                                            <button type="button" class="btn btn-primary btn-rounded waves-effect waves-light mb-2 me-2" data-bs-toggle="modal" data-bs-target=".create-task">
                                                                <i class="mdi mdi-plus me-1"></i> Programma lezioni rimanenti
                                                            </button>
                                                        </a>
                                                    <?php } ?>
                                                    <a href="https://yogasoul.it/shop-completo/">
                                                        <button type="button" class="btn btn-success btn-rounded waves-effect waves-light mb-2 me-2" data-bs-toggle="modal" data-bs-target=".create-task">
                                                            <i class="mdi mdi-plus me-1"></i> Acquista Pacchetto Lezioni
                                                        </button>
                                                    </a>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="container-fluid">
                        <div class="month-navigation">
                            <a href="?prev_month=<?php echo e(date('Y-m', strtotime('-1 month', strtotime($currentMonthStart)))); ?>" class="arrow-link">
                                <i class="fas fa-chevron-left fa-2x"></i>
                            </a>
                            <h2><?php echo e($italianMonths[date("F", strtotime($currentMonthStart))] . ' ' . date("Y", strtotime($currentMonthStart))); ?></h2>
                            <a href="?next_month=<?php echo e(date('Y-m', strtotime('+1 month', strtotime($currentMonthStart)))); ?>" class="arrow-link">
                                <i class="fas fa-chevron-right fa-2x"></i>
                            </a>
                        </div>

                        <div class="row">
                            <div class="col-xl-12">
                                <div class="card">
                                    <div class="card-body">
                                        <?php if (empty($bookedRows)) { ?>
                                            <p>Prenotazioni non presenti per questo mese</p>
                                            <?php
                                        } else {
                                            foreach ($bookedRows as $row) {
                                                $dateschedule = $row['dateschedule'];
                                                $dateObj = new DateTime($dateschedule);
                                                $dayInItalian   = $dateObj->format("d");
                                                $monthInItalian = $italianMonths[$dateObj->format("F")];
                                                $newDateFormat  = $dateObj->format("d-m-Y H:i");

                                                // Calcolo finestra di cancellazione
                                                $currentTime = new DateTime();
                                                $classTime   = new DateTime($dateschedule);
                                                $isSameDay   = $classTime->format('Y-m-d') === $currentTime->format('Y-m-d');
                                                $classHour   = (int) $classTime->format('H');
                                                $classMinute = (int) $classTime->format('i');
                                                $isBefore1700 = ($classHour < 17) || ($classHour === 17 && $classMinute === 0);

                                                if ($isSameDay) {
                                                    if ($isBefore1700) {
                                                        $deadline = new DateTime($classTime->format('Y-m-d 00:01:00'));
                                                    } else {
                                                        $deadline = new DateTime($classTime->format('Y-m-d 12:00:00'));
                                                    }
                                                    $canBeDeleted = $currentTime <= $deadline;
                                                } else {
                                                    $canBeDeleted = true;
                                                }

                                                // Limite riprogrammazioni (dai dati pre-caricati, niente query nel loop)
                                                $idorder = (int) ($row['idorder'] ?? 0);
                                                $canReprogram = true;
                                                if (isset($reprogramInfo[$idorder])) {
                                                    $canReprogram = $reprogramInfo[$idorder]['done'] < $reprogramInfo[$idorder]['max'];
                                                }

                                                $idbookingclass = (int) $row['idbookingclass'];
                                                $idservice      = (int) $row['idservice'];
                                                $expirydate     = date("d/m/Y", strtotime($row['expireon']));
                                                $colorclass     = $row['colorclass'] ?? '#1ebf73';
                                                $servicename    = $row['servicename'] ?? '';
                                            ?>
                                                <div class="custom-card" onclick="toggleCard(this)">
                                                    <div class="custom-date-box" style="background-color:#1ebf73">
                                                        <div class="custom-day"><?php echo e($dayInItalian); ?></div>
                                                        <div class="custom-month"><?php echo e($monthInItalian); ?></div>
                                                    </div>
                                                    <div class="custom-event-details" style="background-color:<?php echo e($colorclass); ?>">
                                                        <h2 class="custom-heading"><?php echo e($servicename); ?></h2>
                                                        <p class="custom-paragraph">Quando: <?php echo e($newDateFormat); ?></p>
                                                        <p class="custom-paragraph">Luogo: via Valassina 62/B Seregno - Sala Contesto Yoga</p>
                                                        <div class="custom-actions">
                                                            <button class="custom-action-button" onclick="addToCalendar(this)" data-eventname="<?php echo e($servicename); ?>" data-eventdate="<?php echo e($newDateFormat); ?>">
                                                                <i class="far fa-calendar-plus"></i> Cal
                                                            </button>
                                                            <?php if ($canBeDeleted && $canReprogram) : ?>
                                                                <button class="custom-action-button" onclick="confirmDelete(<?php echo $idbookingclass; ?>, <?php echo $idservice; ?>, 'bookingpanel.php')">
                                                                    <i class="fas fa-calendar-alt"></i> Riprogramma
                                                                </button>
                                                                <button class="custom-action-button"
                                                                    onclick="confirmDeleteOnly(<?php echo $idbookingclass; ?>, '<?php echo e($expirydate); ?>')">
                                                                    <i class="fas fa-trash"></i> Cancella
                                                                </button>
                                                            <?php else : ?>
                                                                <button class="custom-action-button"><i class="fas fa-exclamation-circle"></i> Non puoi riprogrammare</button>
                                                            <?php endif; ?>
                                                        </div>
                                                    </div>
                                                </div>
                                        <?php
                                            }
                                        }
                                        ?>
                                    </div>
                                </div>
                            </div>
                        </div><br><br>
                    </div>
                </div>

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

        <script>
            function toggleCard(card) {
                card.classList.toggle("expanded");
            }

            function addToCalendar(button) {
                const eventName = button.getAttribute('data-eventname');
                const eventDate = button.getAttribute('data-eventdate');
                const googleCalendarLink = `https://www.google.com/calendar/render?action=TEMPLATE&text=${encodeURIComponent(eventName)}&dates=${encodeURIComponent(eventDate)}`;
                window.open(googleCalendarLink, '_blank');
                const outlookCalendarLink = `webcal://outlook.live.com/calendar/0/deeplink/compose?path=/calendar/action/compose&subject=${encodeURIComponent(eventName)}&startdt=${encodeURIComponent(eventDate)}`;
                window.open(outlookCalendarLink, '_blank');
            }
        </script>

        <script src="assets/libs/bootstrap/js/bootstrap.bundle.min.js"></script>
        <script src="assets/libs/metismenujs/metismenujs.min.js"></script>
        <script src="assets/libs/simplebar/simplebar.min.js"></script>
        <script src="assets/libs/eva-icons/eva.min.js"></script>
        <script src="assets/js/app.js"></script>
</body>

</html>