<?php
namespace Sodino\Controllers;

use Sodino\Core\Settings;
use Sodino\Core\Cache;

/**
 * Settings Controller
 */
class SettingsController extends BaseController {
    private $settings;
    private $cache;

    public function __construct() {
        $this->settings = Settings::getInstance();
        $this->cache = Cache::getInstance();
    }

    /**
     * Settings page
     */
    public function index() {
        $this->checkCapability();

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            return $this->save();
        }

        $settings = $this->settings->all();
        $this->render('settings', [
            'settings' => $settings,
            'current_page' => 'sodino-settings'
        ]);
    }

    /**
     * Save settings
     */
    private function save() {
        $this->verifyNonce('sodino_settings_nonce', 'sodino_save_settings');

        $settings = [
            'plugin_enabled' => isset($_POST['plugin_enabled']) ? 1 : 0,
            'pricing_enabled' => isset($_POST['pricing_enabled']) ? 1 : 0,
            'upsell_enabled' => isset($_POST['upsell_enabled']) ? 1 : 0,
            'banner_enabled' => isset($_POST['banner_enabled']) ? 1 : 0,
            'allow_multiple_rules' => isset($_POST['allow_multiple_rules']) ? 1 : 0,
            'strategy' => sanitize_text_field($_POST['strategy'] ?? 'priority'),
            'max_discount_percent' => max(0, min(100, floatval($_POST['max_discount_percent'] ?? 100))),
            'min_product_price' => max(0, floatval($_POST['min_product_price'] ?? 0)),
            'ab_testing_enabled' => isset($_POST['ab_testing_enabled']) ? 1 : 0,
            'cart_pricing_enabled' => isset($_POST['cart_pricing_enabled']) ? 1 : 0,
            'scheduled_campaigns_enabled' => isset($_POST['scheduled_campaigns_enabled']) ? 1 : 0,
            'cache_enabled' => isset($_POST['cache_enabled']) ? 1 : 0,
            'cache_duration' => max(60, intval($_POST['cache_duration'] ?? 3600)),
            'debug_mode' => isset($_POST['debug_mode']) ? 1 : 0,
        ];

        $this->settings->update($settings);
        
        // Clear cache when settings change
        $this->cache->clearAll();

        $this->redirect(
            admin_url('admin.php?page=sodino-settings'),
            __('تنظیمات با موفقیت ذخیره شد.', 'sodino')
        );
    }

    /**
     * Clear cache action
     */
    public function clearCache() {
        $this->checkCapability();

        if (!isset($_GET['_wpnonce']) || !wp_verify_nonce($_GET['_wpnonce'], 'clear_cache')) {
            wp_die(__('خطای امنیتی رخ داد.', 'sodino'));
        }

        $this->cache->clearAll();

        $this->redirect(
            admin_url('admin.php?page=sodino-settings'),
            __('کش با موفقیت پاک شد.', 'sodino')
        );
    }
}