<?php
// Forza la visualizzazione degli errori (solo dev)
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

if (session_status() === PHP_SESSION_NONE) {
    session_start();
}

include('include/headscript.php');

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

// Verifica utente loggato
if (!isset($iduserlogin)) {
    header("Location: login.php");
    exit;
}

// Controlla se esiste almeno un salone
$stmt = $pdo->prepare("SELECT COUNT(*) FROM shops WHERE owner_id = ?");
$stmt->execute([$iduserlogin]);
if ((int)$stmt->fetchColumn() === 0) {
    header("Location: onboarding_salon.php");
    exit;
}

// Prendi il salone
$stmt = $pdo->prepare("
    SELECT *
    FROM shops
    WHERE owner_id = ?
    ORDER BY created_at ASC
    LIMIT 1
");
$stmt->execute([$iduserlogin]);
$shop = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$shop) {
    die("Errore: salone non trovato.");
}

$shop_id = (int)$shop['id'];

// ===========================
// Helper: Flash messages
// ===========================
function setFlash(string $type, string $text): void
{
    $_SESSION['flash'] = ['type' => $type, 'text' => $text];
}

function getFlash(): ?array
{
    if (!isset($_SESSION['flash'])) return null;
    $f = $_SESSION['flash'];
    unset($_SESSION['flash']);
    return $f;
}

// ===========================
// Helper: Ridimensiona immagine (come nel tuo template)
// ===========================
function resizeImage($source_path, $dest_path, $max_width = 800)
{
    list($width, $height, $type) = getimagesize($source_path);
    if ($width <= $max_width) {
        copy($source_path, $dest_path);
        return;
    }
    $new_width = $max_width;
    $new_height = (int)(($height * $new_width) / $width);
    switch ($type) {
        case IMAGETYPE_JPEG:
            $source = imagecreatefromjpeg($source_path);
            break;
        case IMAGETYPE_PNG:
            $source = imagecreatefrompng($source_path);
            break;
        case IMAGETYPE_GIF:
            $source = imagecreatefromgif($source_path);
            break;
        default:
            throw new Exception("Formato non supportato.");
    }
    $dest = imagecreatetruecolor($new_width, $new_height);
    if ($type == IMAGETYPE_PNG) {
        imagealphablending($dest, false);
        imagesavealpha($dest, true);
    }
    imagecopyresampled($dest, $source, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
    switch ($type) {
        case IMAGETYPE_JPEG:
            imagejpeg($dest, $dest_path, 90);
            break;
        case IMAGETYPE_PNG:
            imagepng($dest, $dest_path);
            break;
        case IMAGETYPE_GIF:
            imagegif($dest, $dest_path);
            break;
    }
    imagedestroy($source);
    imagedestroy($dest);
}

// ===========================
// Helper: Geolocalizzazione con Nominatim
// ===========================
function geocodeAddress(string $address): array
{
    $url = 'https://nominatim.openstreetmap.org/search';
    $params = http_build_query([
        'q'      => $address,
        'format' => 'json',
        'limit'  => 1,
        'addressdetails' => 1,
        'countrycodes'   => 'it',
    ]);

    $ch = curl_init($url . '?' . $params);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERAGENT, 'HairBook Salon Manager/1.0 (contact: info@hairbook.it)');
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);

    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    if ($httpCode !== 200 || !$response) {
        return ['success' => false, 'message' => 'Errore connessione Nominatim'];
    }

    $data = json_decode($response, true);

    if (empty($data) || !isset($data[0])) {
        return ['success' => false, 'message' => 'Indirizzo non trovato'];
    }

    $result = $data[0];
    return [
        'success' => true,
        'lat'     => (float)$result['lat'],
        'lon'     => (float)$result['lon'],
        'display' => $result['display_name'] ?? ''
    ];
}

// ===========================
// POST - Salva profilo + geocode se necessario
// ===========================
$flash = null;
if ($_SERVER['REQUEST_METHOD'] === 'POST' && !isset($_POST['action'])) { // normale submit form
    try {
        $name            = trim($_POST['name'] ?? '');
        $description     = trim($_POST['description'] ?? '');
        $address         = trim($_POST['address'] ?? '');
        $address_extra   = trim($_POST['address_extra'] ?? '');
        $city            = trim($_POST['city'] ?? '');
        $province        = strtoupper(trim($_POST['province'] ?? ''));
        $zip_code        = trim($_POST['zip_code'] ?? '');
        $phone           = trim($_POST['phone'] ?? '');
        $mobile          = trim($_POST['mobile'] ?? '');
        $email           = trim($_POST['email'] ?? '');
        $website         = trim($_POST['website'] ?? '');
        $instagram       = trim(ltrim($_POST['instagram'] ?? '', '@'));
        $facebook        = trim($_POST['facebook'] ?? '');
        $google_maps_url = trim($_POST['google_maps_url'] ?? '');
        $latitude        = !empty($_POST['latitude']) ? (float)$_POST['latitude'] : null;
        $longitude       = !empty($_POST['longitude']) ? (float)$_POST['longitude'] : null;
        $active          = isset($_POST['active']) ? 1 : 0;

        // Validazioni
        if ($name === '') {
            throw new Exception("Nome salone obbligatorio.");
        }
        if ($city === '') {
            throw new Exception("Città obbligatoria.");
        }

        // Tenta geocode automatico se lat/lon vuoti
        if ($latitude === null || $longitude === null) {
            $full_address = implode(', ', array_filter([
                $address,
                $address_extra,
                $zip_code,
                $city,
                $province ? $province : '',
                'Italia'
            ]));

            $geocode = geocodeAddress($full_address);
            if ($geocode['success']) {
                $latitude  = $geocode['lat'];
                $longitude = $geocode['lon'];
                setFlash('info', "Coordinate calcolate automaticamente!");
            }
        }

        // Upload logo
        $logo = $shop['logo'];
        if (isset($_FILES['logo']) && $_FILES['logo']['error'] === UPLOAD_ERR_OK) {
            $file = $_FILES['logo'];
            $ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
            if (in_array($ext, ['jpg', 'jpeg', 'png', 'gif'])) {
                $new_filename = "logos/{$shop_id}-" . time() . "." . $ext;
                resizeImage($file['tmp_name'], $new_filename, 400);
                if ($logo && file_exists($logo)) @unlink($logo);
                $logo = $new_filename;
            }
        }

        // Upload cover
        $cover = $shop['cover_image'];
        if (isset($_FILES['cover_image']) && $_FILES['cover_image']['error'] === UPLOAD_ERR_OK) {
            $file = $_FILES['cover_image'];
            $ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
            if (in_array($ext, ['jpg', 'jpeg', 'png', 'gif'])) {
                $new_filename = "covers/{$shop_id}-" . time() . "." . $ext;
                resizeImage($file['tmp_name'], $new_filename, 1200);
                if ($cover && file_exists($cover)) @unlink($cover);
                $cover = $new_filename;
            }
        }

        // Update DB
        $stmt = $pdo->prepare("
            UPDATE shops SET
                name = ?, description = ?, address = ?, address_extra = ?, city = ?, province = ?,
                zip_code = ?, phone = ?, mobile = ?, email = ?, website = ?, instagram = ?, facebook = ?,
                google_maps_url = ?, latitude = ?, longitude = ?, logo = ?, cover_image = ?, active = ?,
                updated_at = NOW()
            WHERE id = ? AND owner_id = ?
        ");
        $ok = $stmt->execute([
            $name,
            $description ?: null,
            $address,
            $address_extra ?: null,
            $city,
            $province,
            $zip_code,
            $phone ?: null,
            $mobile ?: null,
            $email ?: null,
            $website ?: null,
            $instagram ?: null,
            $facebook ?: null,
            $google_maps_url ?: null,
            $latitude,
            $longitude,
            $logo,
            $cover,
            $active,
            $shop_id,
            $iduserlogin
        ]);

        setFlash($ok ? 'success' : 'danger', $ok ? "Profilo aggiornato!" : "Errore salvataggio.");
        header("Location: salon_profile.php");
        exit;
    } catch (Exception $e) {
        setFlash('danger', $e->getMessage());
        header("Location: salon_profile.php");
        exit;
    }
}

// Flash
$flash = getFlash();
?>

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

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="icon" href="assets/images/favicon-32x32.png" type="image/png" />
    <?php include('cssinclude.php'); ?>
    <?php include('siteinfo.php'); ?>
    <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>
    <title>Profilo Salone - <?= htmlspecialchars($shop['name']) ?></title>
    <style>
        #map {
            height: 350px;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            margin-top: 10px;
        }

        .form-label {
            font-weight: 600;
        }

        .input-group-text {
            background: #f8f9fa;
        }
    </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-light d-flex justify-content-between align-items-center">
                        <h6 class="mb-0">Modifica Profilo Salone</h6>
                        <a href="salon_dashboard.php" class="btn btn-outline-secondary">
                            <i class="bx bx-arrow-back me-1"></i> Dashboard
                        </a>
                    </div>

                    <div class="card-body">
                        <?php if ($flash): ?>
                            <div class="alert alert-<?= htmlspecialchars($flash['type']) ?> alert-dismissible fade show">
                                <?= htmlspecialchars($flash['text']) ?>
                                <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
                            </div>
                        <?php endif; ?>

                        <form action="" method="POST" enctype="multipart/form-data">
                            <div class="row g-4">
                                <!-- Colonna sinistra: dati principali -->
                                <div class="col-lg-8">
                                    <div class="mb-3">
                                        <label class="form-label">Nome Salone <span class="text-danger">*</span></label>
                                        <input type="text" class="form-control" name="name" value="<?= htmlspecialchars($shop['name']) ?>" required>
                                    </div>

                                    <div class="mb-3">
                                        <label class="form-label">Descrizione</label>
                                        <textarea class="form-control" name="description" rows="4"><?= htmlspecialchars($shop['description'] ?? '') ?></textarea>
                                    </div>

                                    <div class="row g-3">
                                        <div class="col-md-8">
                                            <label class="form-label">Indirizzo <span class="text-danger">*</span></label>
                                            <input type="text" class="form-control" name="address" id="address" value="<?= htmlspecialchars($shop['address']) ?>" required>
                                        </div>
                                        <div class="col-md-4">
                                            <label class="form-label">Indirizzo extra</label>
                                            <input type="text" class="form-control" name="address_extra" value="<?= htmlspecialchars($shop['address_extra'] ?? '') ?>">
                                        </div>
                                    </div>

                                    <div class="row g-3">
                                        <div class="col-md-6">
                                            <label class="form-label">Città <span class="text-danger">*</span></label>
                                            <input type="text" class="form-control" name="city" id="city" value="<?= htmlspecialchars($shop['city']) ?>" required>
                                        </div>
                                        <div class="col-md-3">
                                            <label class="form-label">Provincia</label>
                                            <input type="text" class="form-control text-uppercase" name="province" maxlength="2" value="<?= htmlspecialchars($shop['province'] ?? '') ?>">
                                        </div>
                                        <div class="col-md-3">
                                            <label class="form-label">CAP</label>
                                            <input type="text" class="form-control" name="zip_code" value="<?= htmlspecialchars($shop['zip_code']) ?>">
                                        </div>
                                    </div>

                                    <div class="row g-3">
                                        <div class="col-md-6">
                                            <label class="form-label">Telefono</label>
                                            <input type="text" class="form-control" name="phone" value="<?= htmlspecialchars($shop['phone'] ?? '') ?>">
                                        </div>
                                        <div class="col-md-6">
                                            <label class="form-label">Cellulare / WhatsApp</label>
                                            <input type="text" class="form-control" name="mobile" value="<?= htmlspecialchars($shop['mobile'] ?? '') ?>">
                                        </div>
                                    </div>

                                    <div class="row g-3">
                                        <div class="col-md-6">
                                            <label class="form-label">Email</label>
                                            <input type="email" class="form-control" name="email" value="<?= htmlspecialchars($shop['email'] ?? '') ?>">
                                        </div>
                                        <div class="col-md-6">
                                            <label class="form-label">Sito Web</label>
                                            <input type="url" class="form-control" name="website" value="<?= htmlspecialchars($shop['website'] ?? '') ?>">
                                        </div>
                                    </div>

                                    <div class="row g-3">
                                        <div class="col-md-6">
                                            <label class="form-label">Instagram (solo username)</label>
                                            <div class="input-group">
                                                <span class="input-group-text">@</span>
                                                <input type="text" class="form-control" name="instagram" value="<?= htmlspecialchars($shop['instagram'] ?? '') ?>">
                                            </div>
                                        </div>
                                        <div class="col-md-6">
                                            <label class="form-label">Facebook</label>
                                            <input type="text" class="form-control" name="facebook" value="<?= htmlspecialchars($shop['facebook'] ?? '') ?>">
                                        </div>
                                    </div>

                                    <div class="mb-3">
                                        <label class="form-label">Link Google Maps (opzionale)</label>
                                        <input type="url" class="form-control" name="google_maps_url" value="<?= htmlspecialchars($shop['google_maps_url'] ?? '') ?>">
                                    </div>
                                </div>

                                <!-- Colonna destra: immagini + mappa -->
                                <div class="col-lg-4">
                                    <div class="mb-3">
                                        <label class="form-label">Logo Salone (quadrato)</label>
                                        <?php if ($shop['logo']): ?>
                                            <img src="<?= htmlspecialchars($shop['logo']) ?>" alt="Logo" class="img-fluid rounded mb-2" style="max-height:120px;">
                                        <?php endif; ?>
                                        <input type="file" class="form-control" name="logo" accept="image/*">
                                    </div>

                                    <div class="mb-4">
                                        <label class="form-label">Immagine di Copertina (orizzontale)</label>
                                        <?php if ($shop['cover_image']): ?>
                                            <img src="<?= htmlspecialchars($shop['cover_image']) ?>" alt="Cover" class="img-fluid rounded mb-2" style="max-height:120px; width:100%;">
                                        <?php endif; ?>
                                        <input type="file" class="form-control" name="cover_image" accept="image/*">
                                    </div>

                                    <!-- Geolocalizzazione -->
                                    <div class="mb-3">
                                        <label class="form-label">Coordinate</label>
                                        <div class="input-group mb-2">
                                            <input type="number" step="any" class="form-control" name="latitude" id="lat"
                                                value="<?= htmlspecialchars($shop['latitude'] ?? '') ?>" placeholder="Latitudine">
                                            <input type="number" step="any" class="form-control" name="longitude" id="lng"
                                                value="<?= htmlspecialchars($shop['longitude'] ?? '') ?>" placeholder="Longitudine">
                                        </div>
                                        <button type="button" class="btn btn-outline-info w-100" id="geocodeBtn">
                                            <i class="bx bx-current-location"></i> Geolocalizza indirizzo
                                        </button>
                                        <small class="form-text text-muted mt-1 d-block">
                                            Clicca per calcolare lat/lon da indirizzo (usa OpenStreetMap)
                                        </small>
                                    </div>

                                    <!-- Mappa -->
                                    <div id="map"></div>

                                    <div class="form-check mt-4">
                                        <input class="form-check-input" type="checkbox" name="active" id="active" <?= $shop['active'] ? 'checked' : '' ?>>
                                        <label class="form-check-label fw-bold" for="active">
                                            Salone attivo e visibile online
                                        </label>
                                    </div>
                                </div>
                            </div>

                            <div class="d-grid mt-5">
                                <button type="submit" class="btn btn-primary btn-lg">Salva Modifiche</button>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>

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

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

    <script>
        // Inizializza mappa
        var map = L.map('map').setView([45.4642, 9.1900], 13); // default Milano
        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
            attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'
        }).addTo(map);

        var marker = null;

        <?php if ($shop['latitude'] && $shop['longitude']): ?>
            var initLat = <?= (float)$shop['latitude'] ?>;
            var initLng = <?= (float)$shop['longitude'] ?>;
            map.setView([initLat, initLng], 15);
            marker = L.marker([initLat, initLng]).addTo(map);
        <?php endif; ?>

        // Click su mappa → aggiorna coordinate
        map.on('click', function(e) {
            document.getElementById('lat').value = e.latlng.lat.toFixed(8);
            document.getElementById('lng').value = e.latlng.lng.toFixed(8);
            if (marker) map.removeLayer(marker);
            marker = L.marker(e.latlng).addTo(map);
        });

        // Bottone Geolocalizza
        document.getElementById('geocodeBtn').addEventListener('click', function() {
            const addr = document.querySelector('[name="address"]').value.trim();
            const extra = document.querySelector('[name="address_extra"]').value.trim();
            const zip = document.querySelector('[name="zip_code"]').value.trim();
            const city = document.querySelector('[name="city"]').value.trim();
            const prov = document.querySelector('[name="province"]').value.trim().toUpperCase();

            if (!addr || !city) {
                alert("Compila almeno Indirizzo e Città.");
                return;
            }

            const full = [addr, extra, zip, city, prov ? prov : '', 'Italia'].filter(Boolean).join(', ');

            fetch('', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/x-www-form-urlencoded'
                    },
                    body: 'action=geocode&address=' + encodeURIComponent(full)
                })
                .then(r => r.json())
                .then(data => {
                    if (data.success) {
                        document.getElementById('lat').value = data.lat;
                        document.getElementById('lng').value = data.lon;
                        map.setView([data.lat, data.lon], 15);
                        if (marker) map.removeLayer(marker);
                        marker = L.marker([data.lat, data.lon]).addTo(map);
                        alert("Trovato!\nLat: " + data.lat + "\nLon: " + data.lon);
                    } else {
                        alert("Non trovato: " + (data.message || "Indirizzo non riconosciuto"));
                    }
                })
                .catch(err => alert("Errore: " + err));
        });
    </script>
</body>

</html>

<?php
// Gestione AJAX geocode (in fondo alla pagina)
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'geocode') {
    $addr = trim($_POST['address'] ?? '');
    if ($addr === '') {
        echo json_encode(['success' => false, 'message' => 'Indirizzo vuoto']);
        exit;
    }

    $result = geocodeAddress($addr);
    header('Content-Type: application/json');
    echo json_encode($result);
    exit;
}
?>