<?php
// school_profile.php

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

include('include/headscript.php');

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

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

// Recupera utente
$stmt = $pdo->prepare("SELECT id, first_name, last_name, email FROM auth_users WHERE id = ? LIMIT 1");
$stmt->execute([$iduserlogin]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$user) {
    die("Errore: Utente non trovato.");
}

// Recupera eventuale scuola del proprietario
$stmt = $pdo->prepare("SELECT * FROM schools WHERE owner_id = ? ORDER BY id DESC LIMIT 1");
$stmt->execute([$iduserlogin]);
$school = $stmt->fetch(PDO::FETCH_ASSOC);

$is_new = !$school;

if ($is_new) {
    $school = [
        'id' => null,
        'owner_id' => $iduserlogin,
        'name' => '',
        'slug' => '',
        'website' => '',
        'email' => $user['email'] ?? '',          // default utile
        'phone' => '',
        'description' => '',
        'address_street' => '',
        'address_city' => '',
        'address_postal_code' => '',
        'address_province' => '',
        'address_country' => 'Italia',
        'latitude' => null,
        'longitude' => null,
        'owner_name' => trim(($user['first_name'] ?? '') . ' ' . ($user['last_name'] ?? '')),
        'vat_number' => '',
        'logo' => '',
        'status' => 'active',
    ];
} else {
    // se esiste, sincronizza school_id in sessione
    $_SESSION['school_id'] = (int)$school['id'];
}


// Generatore slug
function generateSlug($string)
{
    $slug = iconv('UTF-8', 'ASCII//TRANSLIT', $string);
    $slug = preg_replace('/[^a-z0-9 -]/i', '', $slug);
    $slug = trim($slug);
    $slug = preg_replace('/ +/', '-', $slug);
    $slug = strtolower($slug);
    return $slug;
}

// POST - Salvataggio
$success_message = $error = null;

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $name              = trim($_POST['name'] ?? '');
    $slug              = generateSlug(trim($_POST['slug'] ?? $name));
    $website           = trim($_POST['website'] ?? '');
    $email             = trim($_POST['email'] ?? '');
    $phone             = trim($_POST['phone'] ?? '');
    $description       = trim($_POST['description'] ?? '');
    $address_street    = trim($_POST['address_street'] ?? '');
    $address_city      = trim($_POST['address_city'] ?? '');
    $address_postal_code = trim($_POST['address_postal_code'] ?? '');
    $address_province  = trim($_POST['address_province'] ?? '');
    $address_country   = trim($_POST['address_country'] ?? 'Italia');
    $latitude          = !empty($_POST['latitude']) ? floatval($_POST['latitude']) : null;
    $longitude         = !empty($_POST['longitude']) ? floatval($_POST['longitude']) : null;
    $owner_name        = trim($_POST['owner_name'] ?? '');
    $vat_number        = trim($_POST['vat_number'] ?? '');
    $status            = in_array($_POST['status'] ?? 'active', ['active', 'inactive', 'suspended']) ? $_POST['status'] : 'active';

    // Validazioni
    if (empty($name)) $error = "Il nome della scuola è obbligatorio.";
    elseif (empty($slug)) $error = "Lo slug non può essere vuoto.";
    else {
        $stmt = $pdo->prepare("SELECT COUNT(*) FROM schools WHERE slug = ? AND id != ?");
        $stmt->execute([$slug, $school['id'] ?? 0]);
        if ($stmt->fetchColumn() > 0) {
            $error = "Lo slug '$slug' è già in uso.";
        }
    }

    // Logo
    $logo = $school['logo'] ?? '';
    if (!empty($_FILES['logo']['name']) && $_FILES['logo']['error'] === UPLOAD_ERR_OK) {
        $ext = strtolower(pathinfo($_FILES['logo']['name'], PATHINFO_EXTENSION));
        if (in_array($ext, ['jpg', 'jpeg', 'png', 'gif'])) {
            $new_name = "photoschool/{$iduserlogin}-" . time() . "-logo.$ext";
            if (move_uploaded_file($_FILES['logo']['tmp_name'], $new_name)) {
                if ($logo && file_exists($logo) && !$is_new) @unlink($logo);
                $logo = $new_name;
            } else {
                $error = "Errore caricamento logo.";
            }
        } else {
            $error = "Solo JPG, PNG, GIF ammessi.";
        }
    }

    if (!isset($error)) {
        $params = [
            $name,
            $slug,
            $website ?: null,
            $email,
            $phone ?: null,
            $description,
            $address_street,
            $address_city,
            $address_postal_code,
            $address_province,
            $address_country,
            $latitude,
            $longitude,
            $owner_name,
            $vat_number,
            $logo,
            $status
        ];

        if ($is_new) {
            $stmt = $pdo->prepare("
                INSERT INTO schools (
                    owner_id, name, slug, website, email, phone, description,
                    address_street, address_city, address_postal_code, address_province, address_country,
                    latitude, longitude, owner_name, vat_number, logo, status
                ) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
            ");
            array_unshift($params, $iduserlogin);
            $success = $stmt->execute($params);

            if ($success) {

                // 1) Prendi ID appena creato
                $newSchoolId = (int)$pdo->lastInsertId();

                // 2) Salvalo in sessione (FONDAMENTALE per evitare redirect onboarding)
                $_SESSION['school_id'] = $newSchoolId;

                // 3) Crea record settings base (se non esiste già)
                try {
                    $stmtSet = $pdo->prepare("INSERT INTO school_settings (school_id) VALUES (?)");
                    $stmtSet->execute([$newSchoolId]);
                } catch (Exception $e) {
                    // se esiste già, ignoriamo
                }

                // 4) Ricarica la scuola appena creata
                $stmt = $pdo->prepare("SELECT * FROM schools WHERE id = ? LIMIT 1");
                $stmt->execute([$newSchoolId]);
                $school = $stmt->fetch(PDO::FETCH_ASSOC);

                $success_message = "Scuola creata con successo!";
                $is_new = false;
            } else {
                $error = "Errore creazione scuola.";
            }
        } else {
            $params[] = $school['id'];
            $stmt = $pdo->prepare("
                UPDATE schools SET
                    name=?, slug=?, website=?, email=?, phone=?, description=?,
                    address_street=?, address_city=?, address_postal_code=?, address_province=?,
                    address_country=?, latitude=?, longitude=?, owner_name=?, vat_number=?,
                    logo=?, status=?
                WHERE id=?
            ");
            $success = $stmt->execute($params);

            if ($success) {
                $success_message = "Profilo aggiornato con successo!";
                $stmt = $pdo->prepare("SELECT * FROM schools WHERE id = ?");
                $stmt->execute([$school['id']]);
                $school = $stmt->fetch(PDO::FETCH_ASSOC);
            } else {
                $error = "Errore aggiornamento.";
            }
        }
    }
}
?>

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

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title><?php echo $is_new ? 'Crea' : 'Modifica'; ?> Profilo Scuola</title>
    <?php include('cssinclude.php'); ?>

    <!-- Quill.js CDN -->
    <link href="https://cdn.jsdelivr.net/npm/quill@2.0.2/dist/quill.snow.css" rel="stylesheet" />

    <style>
        #map {
            height: 380px;
            border-radius: 10px;
            margin-top: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        }

        /* Editor Quill */
        .ql-container {
            min-height: 260px;
            font-size: 15px;
            border: 1px solid #ced4da;
            border-radius: 0.375rem;
            height: auto;
            margin-bottom: 14px;
        }

        .ql-editor {
            min-height: 260px;
            margin-bottom: 10px;
        }

        .form-label {
            font-weight: 500;
        }

        .ql-toolbar {
            border-radius: 0.375rem 0.375rem 0 0;
            border-color: #ced4da;
        }

        /* Logo rettangolare, non arrotondato */
        .school-logo {
            max-width: 100%;
            height: auto;
            max-height: 220px;
            object-fit: contain;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            background: #fff;
            padding: 10px;
            display: block;
            margin: 0 auto 1rem;
        }

        /* Placeholder logo quando non presente */
        .logo-placeholder {
            width: 100%;
            max-height: 220px;
            height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px dashed #cfd4da;
            border-radius: 8px;
            background: #f8f9fa;
            color: #6c757d;
            font-weight: 700;
            font-size: 28px;
            letter-spacing: 1px;
            margin: 0 auto 1rem;
        }
    </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 radius-10">
                    <div class="card-header bg-gradient-primary text-white">
                        <h5 class="mb-0"><?php echo $is_new ? 'Crea il tuo profilo scuola' : 'Gestisci profilo scuola'; ?></h5>
                    </div>

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

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

                        <form method="POST" enctype="multipart/form-data" id="schoolForm">
                            <div class="row g-4">
                                <!-- Colonna sinistra: solo logo -->
                                <div class="col-lg-4 text-center">
                                    <?php if (!empty($school['logo'])): ?>
                                        <img id="logoPreview"
                                            src="<?php echo htmlspecialchars($school['logo']); ?>"
                                            alt="Logo Scuola"
                                            class="school-logo mb-3">
                                    <?php else: ?>
                                        <div id="logoPreviewPlaceholder" class="logo-placeholder">NA</div>
                                        <img id="logoPreview" src="" alt="Logo Scuola" class="school-logo mb-3" style="display:none;">
                                    <?php endif; ?>


                                    <div class="mb-3">
                                        <label class="form-label">Cambia Logo (opzionale)</label>
                                        <input type="file" class="form-control" name="logo" id="logoInput" accept="image/jpeg,image/png,image/gif">
                                        <small class="text-muted d-block mt-1">Max 2MB – JPG, PNG, GIF</small>
                                    </div>
                                </div>

                                <!-- Colonna destra: tutti i campi inclusa descrizione con Quill -->
                                <div class="col-lg-8">
                                    <div class="row g-3">
                                        <div class="col-md-6">
                                            <label class="form-label">Nome Scuola <span class="text-danger">*</span></label>
                                            <input type="text" class="form-control" name="name" required
                                                value="<?php echo htmlspecialchars($school['name'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Slug (URL personalizzato) <span class="text-danger">*</span></label>
                                            <div class="input-group">
                                                <span class="input-group-text">yogiboook.com/</span>
                                                <input type="text" class="form-control" name="slug" id="slug" required
                                                    value="<?php echo htmlspecialchars($school['slug'] ?? ''); ?>">
                                            </div>
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Sito web</label>
                                            <input type="url" class="form-control" name="website"
                                                value="<?php echo htmlspecialchars($school['website'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Email scuola <span class="text-danger">*</span></label>
                                            <input type="email" class="form-control" name="email" required
                                                value="<?php echo htmlspecialchars($school['email'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Telefono</label>
                                            <input type="tel" class="form-control" name="phone"
                                                value="<?php echo htmlspecialchars($school['phone'] ?? ''); ?>">
                                        </div>

                                        <!-- Editor Quill qui, nella colonna destra -->
                                        <div class="col-12">
                                            <label class="form-label">Descrizione scuola</label>
                                            <div id="quill-editor"></div>
                                            <input type="hidden" name="description" id="description-hidden">
                                        </div>

                                        <div class="col-12">
                                            <hr class="my-4">
                                            <h6 class="mb-3">Indirizzo sede</h6>
                                        </div>

                                        <div class="col-12">
                                            <label class="form-label">Via e numero civico</label>
                                            <input type="text" class="form-control" name="address_street"
                                                value="<?php echo htmlspecialchars($school['address_street'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-4">
                                            <label class="form-label">Città</label>
                                            <input type="text" class="form-control" name="address_city"
                                                value="<?php echo htmlspecialchars($school['address_city'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-4">
                                            <label class="form-label">CAP</label>
                                            <input type="text" class="form-control" name="address_postal_code"
                                                value="<?php echo htmlspecialchars($school['address_postal_code'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-4">
                                            <label class="form-label">Provincia</label>
                                            <input type="text" class="form-control" name="address_province"
                                                value="<?php echo htmlspecialchars($school['address_province'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Nazione</label>
                                            <input type="text" class="form-control" name="address_country"
                                                value="<?php echo htmlspecialchars($school['address_country'] ?? 'Italia'); ?>">
                                        </div>

                                        <div class="col-md-6 mt-4 pt-2">
                                            <button type="button" class="btn btn-outline-primary w-100" id="geocodeBtn">
                                                <i class="bx bx-map-pin me-1"></i> Trova coordinate sulla mappa
                                            </button>
                                        </div>

                                        <div class="col-12">
                                            <div id="map"></div>
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Latitudine</label>
                                            <input type="text" class="form-control" name="latitude" id="latitude"
                                                value="<?php echo htmlspecialchars($school['latitude'] ?? ''); ?>" readonly>
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Longitudine</label>
                                            <input type="text" class="form-control" name="longitude" id="longitude"
                                                value="<?php echo htmlspecialchars($school['longitude'] ?? ''); ?>" readonly>
                                        </div>

                                        <div class="col-12">
                                            <hr class="my-4">
                                            <h6 class="mb-3">Dati amministrativi</h6>
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Nome proprietario / legale</label>
                                            <input type="text" class="form-control" name="owner_name"
                                                value="<?php echo htmlspecialchars($school['owner_name'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Partita IVA</label>
                                            <input type="text" class="form-control" name="vat_number"
                                                value="<?php echo htmlspecialchars($school['vat_number'] ?? ''); ?>">
                                        </div>

                                        <div class="col-md-6">
                                            <label class="form-label">Stato</label>
                                            <select class="form-select" name="status">
                                                <option value="active" <?php echo ($school['status'] ?? '') === 'active' ? 'selected' : ''; ?>>Attiva</option>
                                                <option value="inactive" <?php echo ($school['status'] ?? '') === 'inactive' ? 'selected' : ''; ?>>Inattiva</option>
                                                <option value="suspended" <?php echo ($school['status'] ?? '') === 'suspended' ? 'selected' : ''; ?>>Sospesa</option>
                                            </select>
                                        </div>

                                        <div class="col-12 mt-5">
                                            <button type="submit" class="btn btn-primary btn-lg px-5">
                                                <i class="bx bx-save me-2"></i>
                                                <?php echo $is_new ? 'Crea Scuola' : 'Salva Modifiche'; ?>
                                            </button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>

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

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

    <!-- Quill.js -->
    <script src="https://cdn.jsdelivr.net/npm/quill@2.0.2/dist/quill.js"></script>

    <!-- Leaflet -->
    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
    <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>

    <script>
        // ====================== QUILL EDITOR - colori testo e sfondo visibili ======================
        const quill = new Quill('#quill-editor', {
            theme: 'snow',
            modules: {
                toolbar: [
                    ['bold', 'italic', 'underline', 'strike'],
                    ['blockquote', 'code-block'],
                    [{
                        'header': [1, 2, 3, false]
                    }],
                    [{
                        'color': [
                            '#000000', '#434343', '#666666', '#999999', '#b7b7b7', '#cccccc', '#d9d9d9', '#ffffff',
                            '#ff0000', '#ff9900', '#ffff00', '#00ff00', '#00ffff', '#0000ff', '#9900ff', '#ff00ff',
                            '#ffcccc', '#ffe6cc', '#ffffcc', '#ccffcc', '#ccffff', '#ccccff', '#e6ccff', '#ffccff'
                        ]
                    }, {
                        'background': [
                            '#000000', '#434343', '#666666', '#999999', '#b7b7b7', '#cccccc', '#d9d9d9', '#ffffff',
                            '#ff0000', '#ff9900', '#ffff00', '#00ff00', '#00ffff', '#0000ff', '#9900ff', '#ff00ff',
                            '#ffcccc', '#ffe6cc', '#ffffcc', '#ccffcc', '#ccffff', '#ccccff', '#e6ccff', '#ffccff'
                        ]
                    }],
                    [{
                        'list': 'ordered'
                    }, {
                        'list': 'bullet'
                    }],
                    [{
                        'align': []
                    }],
                    ['link', 'clean']
                ]
            }
        });

        // Carica contenuto iniziale (HTML)
        quill.root.innerHTML = `<?php echo addslashes($school['description'] ?? ''); ?>`;

        // Salva HTML prima del submit
        document.getElementById('schoolForm').addEventListener('submit', function(e) {
            const html = quill.root.innerHTML.trim();
            document.getElementById('description-hidden').value = (html === '<p><br></p>' ? '' : html);

        });

        // ====================== MAPPA (invariata, funziona già) ======================
        let map, marker;

        function initMap(lat = 45.4642, lng = 9.1900, zoom = 12) {
            if (map) map.remove();
            map = L.map('map').setView([lat, lng], zoom);
            L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
                attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
            }).addTo(map);
            marker = L.marker([lat, lng], {
                draggable: true
            }).addTo(map);
            marker.on('dragend', function(e) {
                const pos = e.target.getLatLng();
                document.getElementById('latitude').value = pos.lat.toFixed(8);
                document.getElementById('longitude').value = pos.lng.toFixed(8);
            });
        }

        function updateMap(lat, lng) {
            if (!map) initMap(lat, lng, 16);
            else {
                map.setView([lat, lng], 16);
                marker.setLatLng([lat, lng]);
            }
            document.getElementById('latitude').value = lat.toFixed(8);
            document.getElementById('longitude').value = lng.toFixed(8);
        }

        document.getElementById('geocodeBtn')?.addEventListener('click', function() {
            const street = document.querySelector('[name="address_street"]').value.trim();
            const city = document.querySelector('[name="address_city"]').value.trim();
            const cap = document.querySelector('[name="address_postal_code"]').value.trim();
            const country = document.querySelector('[name="address_country"]').value.trim() || 'Italia';

            if (!street || !city) {
                alert('Inserisci almeno Via e Città');
                return;
            }

            const query = `${street}, ${city}${cap ? ' ' + cap : ''}, ${country}`;
            const url = `https://nominatim.openstreetmap.org/search?format=json&q=${encodeURIComponent(query)}&limit=1`;

            fetch(url)
                .then(r => r.json())
                .then(data => {
                    if (data?.length > 0) {
                        const loc = data[0];
                        updateMap(parseFloat(loc.lat), parseFloat(loc.lon));
                    } else {
                        alert('Indirizzo non trovato.');
                    }
                })
                .catch(() => alert('Errore durante la ricerca.'));
        });

        // Init mappa
        document.addEventListener('DOMContentLoaded', function() {
            const lat = parseFloat(document.getElementById('latitude').value);
            const lng = parseFloat(document.getElementById('longitude').value);
            if (!isNaN(lat) && !isNaN(lng)) {
                initMap(lat, lng, 16);
            } else {
                initMap();
            }
        });

        // Slug automatico (JS)
        function slugify(str) {
            return (str || '')
                .toString()
                .normalize('NFD').replace(/[\u0300-\u036f]/g, '') // rimuove accenti
                .toLowerCase()
                .trim()
                .replace(/[^a-z0-9\s-]/g, '')
                .replace(/\s+/g, '-')
                .replace(/-+/g, '-');
        }

        const nameField = document.querySelector('[name="name"]');
        const slugField = document.querySelector('[name="slug"]');
        let slugTouched = false;

        nameField?.addEventListener('input', function() {
            if (!slugTouched) slugField.value = slugify(this.value);
        });

        slugField?.addEventListener('input', () => slugTouched = true);

        // ====================== LOGO PREVIEW (before save) ======================
        const logoInput = document.getElementById('logoInput');
        const logoPreview = document.getElementById('logoPreview');
        const logoPlaceholder = document.getElementById('logoPreviewPlaceholder');

        logoInput?.addEventListener('change', function() {
            const file = this.files && this.files[0];
            if (!file) return;

            // Basic type check (client-side)
            if (!['image/jpeg', 'image/png', 'image/gif'].includes(file.type)) {
                alert('Formato non valido. Usa JPG, PNG o GIF.');
                this.value = '';
                return;
            }

            const reader = new FileReader();
            reader.onload = function(e) {
                if (logoPlaceholder) logoPlaceholder.style.display = 'none';
                if (logoPreview) {
                    logoPreview.src = e.target.result;
                    logoPreview.style.display = 'block';
                }
            };
            reader.readAsDataURL(file);
        });
    </script>
</body>

</html>