<?php
/**
 * Admin Price List Controller
 */

class AdminPriceListController {
    private $view;
    private $db;

    public function __construct() {
        $this->view = new View();
        $this->db = Database::getInstance();
        
        if (!isset($_SESSION['admin_id'])) {
            Helper::redirect(Helper::url('/admin/login'));
        }
    }

    public function index() {
        $price_list = $this->db->fetchAll(
            "SELECT * FROM price_list ORDER BY category, sort_order, service_name"
        );
        
        // Kategorilere göre grupla
        $categories = [];
        foreach ($price_list as $item) {
            if (!isset($categories[$item['category']])) {
                $categories[$item['category']] = [];
            }
            $categories[$item['category']][] = $item;
        }

        $this->view->set('page_title', 'Fiyat Listesi Yönetimi');
        $this->view->set('price_list', $price_list);
        $this->view->set('categories', $categories);
        
        // Değişkenleri extract et
        extract([
            'price_list' => $price_list,
            'categories' => $categories
        ]);
        
        require_once APP_PATH . '/app/views/admin/price-list/index.php';
    }

    public function create() {
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            $data = [
                'category' => $_POST['category'] ?? '',
                'service_name' => $_POST['service_name'] ?? '',
                'description' => $_POST['description'] ?? '',
                'price' => !empty($_POST['price']) ? (float)$_POST['price'] : null,
                'unit' => $_POST['unit'] ?? 'TL',
                'sort_order' => (int)($_POST['sort_order'] ?? 0),
                'status' => $_POST['status'] ?? 'active',
            ];

            $this->db->insert('price_list', $data);
            $_SESSION['success'] = 'Fiyat listesi öğesi başarıyla eklendi!';
            Helper::redirect(Helper::url('/admin/price-list'));
        }

        $this->view->set('page_title', 'Yeni Fiyat Listesi Öğesi Ekle');
        require_once APP_PATH . '/app/views/admin/price-list/create.php';
    }

    public function edit($id) {
        $item = $this->db->fetchOne("SELECT * FROM price_list WHERE id = ?", [$id]);
        
        if (!$item) {
            Helper::redirect(Helper::url('/admin/price-list'));
        }

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            $data = [
                'category' => $_POST['category'] ?? '',
                'service_name' => $_POST['service_name'] ?? '',
                'description' => $_POST['description'] ?? '',
                'price' => !empty($_POST['price']) ? (float)$_POST['price'] : null,
                'unit' => $_POST['unit'] ?? 'TL',
                'sort_order' => (int)($_POST['sort_order'] ?? 0),
                'status' => $_POST['status'] ?? 'active',
            ];

            $this->db->update('price_list', $data, 'id = ?', [$id]);
            $_SESSION['success'] = 'Fiyat listesi öğesi başarıyla güncellendi!';
            Helper::redirect(Helper::url('/admin/price-list'));
        }

        $this->view->set('page_title', 'Fiyat Listesi Öğesi Düzenle');
        $this->view->set('item', $item);
        require_once APP_PATH . '/app/views/admin/price-list/edit.php';
    }

    public function delete($id) {
        $this->db->delete('price_list', 'id = ?', [$id]);
        $_SESSION['success'] = 'Fiyat listesi öğesi başarıyla silindi!';
        Helper::redirect(Helper::url('/admin/price-list'));
    }
}