<?php
declare(strict_types=1);

require_once dirname(__DIR__) . '/includes/import_menu.php';
require_login();
ensure_import_schema();
$mediaLibrary = media_library(120);

$id = (int)($_GET['id'] ?? 0);
$categoryId = (int)($_GET['category_id'] ?? 0);
$item = null;

if ($id > 0) {
    $stmt = db()->prepare(
        'SELECT i.*, c.menu_id, c.name AS category_name
         FROM menu_items i
         JOIN menu_categories c ON c.id=i.category_id
         WHERE i.id=?'
    );
    $stmt->execute([$id]);
    $item = $stmt->fetch();

    if (!$item) {
        http_response_code(404);
        exit('Nie znaleziono pozycji.');
    }

    $categoryId = (int)$item['category_id'];
} else {
    $stmt = db()->prepare('SELECT * FROM menu_categories WHERE id=?');
    $stmt->execute([$categoryId]);
    $category = $stmt->fetch();

    if (!$category) {
        http_response_code(404);
        exit('Nie znaleziono kategorii.');
    }

    $item = [
        'id' => 0,
        'category_id' => $categoryId,
        'menu_id' => (int)$category['menu_id'],
        'category_name' => $category['name'],
        'name' => '',
        'name_en' => '',
        'name_es' => '', 'name_de' => '',
        'description_es' => '', 'description_de' => '',
        'ingredients_es' => '', 'ingredients_de' => '',
        'allergens_es' => '', 'allergens_de' => '',
        'description_en' => '',
        'ingredients_en' => '',
        'allergens_en' => '',
        'description' => '',
        'ingredients' => '',
        'price' => '',
        'price_text' => '',
        'weight' => '',
        'allergens' => '',
        'image_path' => '',
        'available' => 1,
        'active' => 1,
        'featured' => 0,
        'sort_order' => 0,
    ];
}

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    verify_csrf();
    $action = (string)($_POST['action'] ?? 'save');

    if ($action === 'delete' && $id > 0) {
        $stmt = db()->prepare('DELETE FROM menu_items WHERE id=?');
        $stmt->execute([$id]);
        admin_log('item_delete', 'Usunięto pozycję #' . $id);
        flash('success', 'Pozycja została usunięta.');
        redirect('/admin/menu.php?id=' . (int)$item['menu_id']);
    }

    try {
        $imagePath = $item['image_path'] ?: null;

        if (!empty($_FILES['image']['name'])) {
            $newPath = upload_file(
                $_FILES['image'],
                'uploads/dishes',
                ['image/jpeg', 'image/png', 'image/webp'],
                8 * 1024 * 1024
            );
            if ($newPath) {
                $imagePath = $newPath;
            }
        }

        $libraryImageId = (int)($_POST['library_image_id'] ?? 0);
        if ($libraryImageId > 0) {
            $stmtMedia = db()->prepare('SELECT file_path FROM media_library WHERE id=? LIMIT 1');
            $stmtMedia->execute([$libraryImageId]);
            $libraryPath = $stmtMedia->fetchColumn();

            if (is_string($libraryPath) && $libraryPath !== '') {
                $imagePath = $libraryPath;
            }
        }

        if (!empty($_POST['remove_image'])) {
            $imagePath = null;
        }

        $priceRaw = str_replace(',', '.', trim((string)($_POST['price'] ?? '')));
        $price = $priceRaw !== '' ? (float)$priceRaw : null;

        $values = [
            trim((string)$_POST['name']),
            trim((string)($_POST['name_en'] ?? '')),
            trim((string)($_POST['name_es'] ?? '')),
            trim((string)($_POST['name_de'] ?? '')),
            trim((string)($_POST['description'] ?? '')),
            trim((string)($_POST['description_en'] ?? '')),
            trim((string)($_POST['description_es'] ?? '')),
            trim((string)($_POST['description_de'] ?? '')),
            trim((string)($_POST['ingredients'] ?? '')),
            trim((string)($_POST['ingredients_en'] ?? '')),
            trim((string)($_POST['ingredients_es'] ?? '')),
            trim((string)($_POST['ingredients_de'] ?? '')),
            $price,
            trim((string)($_POST['price_text'] ?? '')),
            trim((string)($_POST['weight'] ?? '')),
            trim((string)($_POST['allergens'] ?? '')),
            trim((string)($_POST['allergens_en'] ?? '')),
            trim((string)($_POST['allergens_es'] ?? '')),
            trim((string)($_POST['allergens_de'] ?? '')),
            $imagePath,
            isset($_POST['available']) ? 1 : 0,
            isset($_POST['active']) ? 1 : 0,
            isset($_POST['featured']) ? 1 : 0,
            (int)($_POST['sort_order'] ?? 0),
        ];

        if ($id > 0) {
            $stmt = db()->prepare(
                'UPDATE menu_items SET
                 name=?, name_en=?, name_es=?, name_de=?, description=?, description_en=?, description_es=?, description_de=?, ingredients=?, ingredients_en=?, ingredients_es=?, ingredients_de=?, price=?, price_text=?, weight=?, allergens=?, allergens_en=?, allergens_es=?, allergens_de=?,
                 image_path=?, available=?, active=?, featured=?, sort_order=?
                 WHERE id=?'
            );
            $stmt->execute([...$values, $id]);
            admin_log('item_update', 'Zapisano pozycję #' . $id);
        } else {
            $stmt = db()->prepare(
                'INSERT INTO menu_items
                (category_id, name, name_en, name_es, name_de, description, description_en, description_es, description_de, ingredients, ingredients_en, ingredients_es, ingredients_de, price, price_text, weight, allergens, allergens_en, allergens_es, allergens_de,
                 image_path, available, active, featured, sort_order)
                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)'
            );
            $stmt->execute([$categoryId, ...$values]);
            $id = (int)db()->lastInsertId();
            admin_log('item_create', 'Dodano pozycję #' . $id);
        }

        flash('success', 'Pozycja zapisana.');
        redirect('/admin/menu.php?id=' . (int)$item['menu_id']);
    } catch (Throwable $e) {
        flash('error', $e->getMessage());
        redirect($_SERVER['REQUEST_URI']);
    }
}

$menuTypeStmt = db()->prepare('SELECT menu_type FROM menus WHERE id=? LIMIT 1');
$menuTypeStmt->execute([(int)$item['menu_id']]);
$menuType = polana_menu_type((string)($menuTypeStmt->fetchColumn() ?: 'food'));
$itemLabel = $menuType === 'wine' ? 'wina' : ($menuType === 'soft' ? 'napoju' : 'dania');
render_admin_header($id ? 'Edycja ' . $itemLabel : ($menuType === 'wine' ? 'Nowe wino' : ($menuType === 'soft' ? 'Nowy napój' : 'Nowe danie')));
?>
<div class="admin-title-row">
    <div>
        <h1><?= $id ? 'Edytuj pozycję' : 'Dodaj pozycję' ?></h1>
        <p>Kategoria: <?= e($item['category_name']) ?></p>
    </div>
    <a class="btn btn-light" href="/admin/menu.php?id=<?= (int)$item['menu_id'] ?>">← Wróć</a>
</div>

<form class="form-card form-grid" method="post" enctype="multipart/form-data">
    <?= csrf_field() ?>
    <input type="hidden" name="action" value="save">

    <label class="full">
        Nazwa <?= e($itemLabel) ?>
        <input name="name" value="<?= e($item['name']) ?>" required>
    </label>

    <label class="full">
        Nazwa angielska (EN)
        <input name="name_en" value="<?= e($item['name_en'] ?? '') ?>" placeholder="<?= e($menuType === 'wine' ? 'Wine name / grape / vintage' : 'English name of the dish or drink') ?>">
    </label>

    <?php foreach (['es'=>'Hiszpański (ES)','de'=>'Niemiecki (DE)'] as $language=>$languageLabel): ?>
    <label class="full">
        Nazwa: <?= e($languageLabel) ?> — ręczna edycja
        <input name="name_<?= e($language) ?>" value="<?= e($item['name_'.$language] ?? '') ?>" maxlength="255">
    </label>
    <?php endforeach; ?>
    <label class="full">
        Opis
        <textarea name="description"><?= e($item['description']) ?></textarea>
    </label>

    <label class="full">
        Opis po angielsku (EN)
        <textarea name="description_en"><?= e($item['description_en'] ?? '') ?></textarea>
    </label>

    <?php foreach (['es'=>'Hiszpański (ES)','de'=>'Niemiecki (DE)'] as $language=>$languageLabel): ?>
    <label class="full">Opis: <?= e($languageLabel) ?>
        <textarea name="description_<?= e($language) ?>" rows="3"><?= e($item['description_'.$language] ?? '') ?></textarea></label>
    <?php endforeach; ?>
    <label class="full">
        Składniki
        <textarea name="ingredients" rows="4" placeholder="np. wołowina, ogórek kiszony, ziemniak..."><?= e($item['ingredients'] ?? '') ?></textarea>
        <span class="muted">Pełny wykaz składników dla informacji o daniu i alergenach.</span>
    </label>

    <label class="full">
        Ingredients (EN)
        <textarea name="ingredients_en" rows="3" placeholder="English translation – verify allergens carefully"><?= e($item['ingredients_en'] ?? '') ?></textarea>
    </label>

    <?php foreach (['es'=>'Hiszpański (ES)','de'=>'Niemiecki (DE)'] as $language=>$languageLabel): ?>
    <label class="full">Składniki: <?= e($languageLabel) ?>
        <textarea name="ingredients_<?= e($language) ?>" rows="3"><?= e($item['ingredients_'.$language] ?? '') ?></textarea></label>
    <?php endforeach; ?>
    <label>
        Cena [zł]
        <input name="price" inputmode="decimal"
               value="<?= $item['price'] !== null && $item['price'] !== '' ? e(number_format((float)$item['price'], 2, '.', '')) : '' ?>"
               placeholder="39.00">
    </label>

    <label>
        Cena tekstowa – opcjonalnie
        <input name="price_text" value="<?= e($item['price_text']) ?>" placeholder="<?= e($menuType === 'wine' ? 'np. 150 ml — 29 zł / 750 ml — 139 zł' : 'np. 15 zł / 100 g') ?>">
        <?php if ($menuType === 'wine'): ?><span class="muted">Dla różnych cen kieliszka i butelki użyj ceny tekstowej. Jest wyświetlana w menu PL/EN i PDF.</span><?php endif; ?>
    </label>

    <label>
        Gramatura / pojemność
        <input name="weight" value="<?= e($item['weight']) ?>" placeholder="<?= e($menuType === 'wine' ? 'np. 150 ml / 750 ml' : 'np. 250 g') ?>">
    </label>

    <label>
        Kolejność
        <input type="number" name="sort_order" value="<?= (int)$item['sort_order'] ?>">
    </label>

    <label class="full">
        Alergeny
        <input name="allergens" value="<?= e($item['allergens']) ?>" placeholder="np. gluten (pszenica), mleko, jaja, gorczyca">
    </label>

    <label class="full">
        Allergens (EN)
        <input name="allergens_en" value="<?= e($item['allergens_en'] ?? '') ?>" placeholder="e.g. gluten, milk, eggs">
    </label>

    <?php foreach (['es'=>'Hiszpański (ES)','de'=>'Niemiecki (DE)'] as $language=>$languageLabel): ?>
    <label class="full">Alergeny: <?= e($languageLabel) ?>
        <input name="allergens_<?= e($language) ?>" value="<?= e($item['allergens_'.$language] ?? '') ?>" maxlength="500"></label>
    <?php endforeach; ?>
    <label class="full">
        Zdjęcie JPG/PNG/WebP
        <input type="file" name="image" accept="image/jpeg,image/png,image/webp">
    </label>

    <?php if ($mediaLibrary): ?>
        <label class="full">
            albo wybierz z biblioteki
            <select name="library_image_id">
                <option value="">— bez zmiany —</option>
                <?php foreach ($mediaLibrary as $media): ?>
                    <option value="<?= (int)$media['id'] ?>">
                        <?= e($media['alt_text'] ?: $media['original_name'] ?: basename($media['file_path'])) ?>
                    </option>
                <?php endforeach; ?>
            </select>
        </label>

        <div class="full">
            <a class="btn btn-light btn-small" href="/admin/media.php" target="_blank">Otwórz bibliotekę zdjęć ↗</a>
        </div>
    <?php endif; ?>

    <?php if (!empty($item['image_path'])): ?>
        <div class="full">
            <img src="<?= e($item['image_path']) ?>" alt="" style="width:180px;border-radius:12px">
            <label class="check-row">
                <input type="checkbox" name="remove_image" value="1"> Usuń zdjęcie
            </label>
        </div>
    <?php endif; ?>

    <label class="check-row">
        <input type="checkbox" name="available" value="1" <?= (int)$item['available'] ? 'checked' : '' ?>>
        Dostępne
    </label>

    <label class="check-row">
        <input type="checkbox" name="active" value="1" <?= (int)$item['active'] ? 'checked' : '' ?>>
        Widoczne
    </label>

    <label class="check-row">
        <input type="checkbox" name="featured" value="1" <?= (int)$item['featured'] ? 'checked' : '' ?>>
        Wyróżnione
    </label>

    <div class="full">
        <button class="btn btn-primary" type="submit">Zapisz</button>
    </div>
</form>

<?php if ($id): ?>
    <form method="post" class="form-card" onsubmit="return confirm('Na pewno usunąć tę pozycję?')">
        <?= csrf_field() ?>
        <input type="hidden" name="action" value="delete">
        <button class="btn btn-danger" type="submit">Usuń pozycję</button>
    </form>
<?php endif; ?>
<?php render_admin_footer(); ?>