<?php
/**
 * Admin Post Controller
 */

class AdminPostController {
    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() {
        $status = $_GET['status'] ?? 'all';
        
        $where = '';
        $params = [];
        
        if ($status !== 'all') {
            $where = 'WHERE status = ?';
            $params[] = $status;
        }
        
        $posts = $this->db->fetchAll(
            "SELECT * FROM posts $where ORDER BY created_at DESC",
            $params
        );

        // İstatistikler
        $stats = [
            'all' => $this->db->fetchOne("SELECT COUNT(*) as total FROM posts")['total'],
            'published' => $this->db->fetchOne("SELECT COUNT(*) as total FROM posts WHERE status = 'published'")['total'],
            'draft' => $this->db->fetchOne("SELECT COUNT(*) as total FROM posts WHERE status = 'draft'")['total'],
        ];

        $this->view->set('page_title', 'Çözüm Merkezi Yönetimi');
        $this->view->set('posts', $posts);
        $this->view->set('stats', $stats);
        $this->view->set('current_status', $status);
        
        // Değişkenleri extract et
        extract([
            'posts' => $posts,
            'stats' => $stats,
            'current_status' => $status
        ]);
        
        require_once APP_PATH . '/app/views/admin/posts/index.php';
    }

    public function create() {
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            $data = [
                'title' => $_POST['title'] ?? '',
                'slug' => Helper::slug($_POST['title'] ?? ''),
                'content' => $_POST['content'] ?? '',
                'excerpt' => $_POST['excerpt'] ?? '',
                'device_type' => !empty($_POST['device_type']) ? $_POST['device_type'] : null,
                'brand' => !empty($_POST['brand']) ? trim($_POST['brand']) : null,
                'status' => $_POST['status'] ?? 'draft',
            ];

            $this->db->insert('posts', $data);
            $_SESSION['success'] = 'Çözüm başarıyla eklendi!';
            Helper::redirect(Helper::url('/admin/posts'));
        }

        $this->view->set('page_title', 'Yeni Çözüm Ekle');
        require_once APP_PATH . '/app/views/admin/posts/create.php';
    }

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

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            $data = [
                'title' => $_POST['title'] ?? '',
                'slug' => Helper::slug($_POST['title'] ?? ''),
                'content' => $_POST['content'] ?? '',
                'excerpt' => $_POST['excerpt'] ?? '',
                'device_type' => !empty($_POST['device_type']) ? $_POST['device_type'] : null,
                'brand' => !empty($_POST['brand']) ? trim($_POST['brand']) : null,
                'status' => $_POST['status'] ?? 'draft',
            ];

            $this->db->update('posts', $data, 'id = ?', [$id]);
            $_SESSION['success'] = 'Çözüm başarıyla güncellendi!';
            Helper::redirect(Helper::url('/admin/posts'));
        }

        $this->view->set('page_title', 'Çözüm Düzenle');
        $this->view->set('post', $post);
        
        // Değişkenleri extract et
        extract(['post' => $post]);
        
        require_once APP_PATH . '/app/views/admin/posts/edit.php';
    }

    public function delete($id) {
        $this->db->delete('posts', 'id = ?', [$id]);
            $_SESSION['success'] = 'Çözüm başarıyla silindi!';
        Helper::redirect(Helper::url('/admin/posts'));
    }
}