<?php
declare(strict_types=1);

require_once dirname(__DIR__) . '/includes/functions.php';
require_login();

$id = (int)($_GET['id'] ?? 0);

$stmt = db()->prepare('SELECT c.*, m.name AS menu_name FROM menu_categories c JOIN menus m ON m.id=c.menu_id WHERE c.id=?');
$stmt->execute([$id]);
$category = $stmt->fetch();

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

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

    if ($action === 'delete') {
        $menuId = (int)$category['menu_id'];
        $stmt = db()->prepare('DELETE FROM menu_categories WHERE id=?');
        $stmt->execute([$id]);
        admin_log('category_delete', 'Usunięto kategorię #' . $id);
        flash('success', 'Kategoria została usunięta.');
        redirect('/admin/menu.php?id=' . $menuId);
    }

    $stmt = db()->prepare(
        'UPDATE menu_categories SET name=?, description=?, sort_order=?, active=?, name_en=?, name_es=?, name_de=? WHERE id=?'
    );
    $stmt->execute([
        trim((string)$_POST['name']),
        trim((string)($_POST['description'] ?? '')),
        (int)($_POST['sort_order'] ?? 0),
        isset($_POST['active']) ? 1 : 0,
        trim((string)($_POST['name_en'] ?? '')),
        trim((string)($_POST['name_es'] ?? '')),
        trim((string)($_POST['name_de'] ?? '')),
        $id,
    ]);

    admin_log('category_update', 'Zapisano kategorię #' . $id);
    flash('success', 'Kategoria zapisana.');
    redirect('/admin/menu.php?id=' . (int)$category['menu_id']);
}

render_admin_header('Kategoria');
?>
<div class="admin-title-row">
    <div>
        <h1>Edytuj kategorię</h1>
        <p><?= e($category['menu_name']) ?></p>
    </div>
    <a class="btn btn-light" href="/admin/menu.php?id=<?= (int)$category['menu_id'] ?>">← Wróć</a>
</div>

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

    <label>
        Nazwa
        <input name="name" value="<?= e($category['name']) ?>" required>
    </label>

    <label>
        Nazwa po angielsku (EN)
        <input name="name_en" value="<?= e($category['name_en'] ?? '') ?>" placeholder="Starters">
    </label>

    <label>
        Nazwa po hiszpańsku (ES) — edytowalna
        <input name="name_es" value="<?= e($category['name_es'] ?? '') ?>" placeholder="Entrantes">
    </label>
    <label>
        Nazwa po niemiecku (DE) — edytowalna
        <input name="name_de" value="<?= e($category['name_de'] ?? '') ?>" placeholder="Vorspeisen">
    </label>
    <label>
        Kolejność
        <input type="number" name="sort_order" value="<?= (int)$category['sort_order'] ?>">
    </label>

    <label class="full">
        Opis kategorii
        <textarea name="description"><?= e($category['description']) ?></textarea>
    </label>

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

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

<form method="post" class="form-card" onsubmit="return confirm('Usunąć kategorię razem ze wszystkimi daniami?')">
    <?= csrf_field() ?>
    <input type="hidden" name="action" value="delete">
    <button class="btn btn-danger" type="submit">Usuń kategorię</button>
</form>
<?php render_admin_footer(); ?>