<?php

namespace Modules\SystemConfig\Controllers;

use App\Controllers\BaseAdminController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Modules\SystemConfig\Models\SystemConfig;
use Kernel\View;

class CustomizerController extends BaseAdminController
{
    /**
     * Show customizer for a specific theme
     */
    public function index(Request $request, string $themeSlug): Response
    {
        $user = $this->getCurrentUser();
        if (!$user) {
            return new RedirectResponse(url('login'));
        }

        $baseDir = dirname(dirname(dirname(dirname(__DIR__))));
        $themePath = $baseDir . '/themes/' . $themeSlug;
        $customizerFile = $themePath . '/customizer.json';

        if (!is_file($customizerFile)) {
            return new Response("O tema " . ucfirst($themeSlug) . " não possui opções de personalização.", 404);
        }

        $config = json_decode(file_get_contents($customizerFile), true);

        // Get current values from DB
        $dbKey = 'theme_settings_' . $themeSlug;
        $savedSettings = json_decode(SystemConfig::get($dbKey, '{}'), true);

        // Merge defaults with saved values
        foreach ($config['sections'] as &$section) {
            foreach ($section['fields'] as &$field) {
                $field['value'] = $savedSettings[$field['id']] ?? $field['default'];
            }
        }

        return $this->renderAdminView('systemconfig/views/admin/customizer/index.twig', [
            'title' => 'Personalizar Tema: ' . ucfirst($themeSlug),
            'theme' => $themeSlug,
            'config' => $config,
            'saved' => $savedSettings
        ]);
    }

    /**
     * Save customizer settings
     */
    public function save(Request $request, string $themeSlug): Response
    {
        $user = $this->getCurrentUser();
        if (!$user) {
            return new RedirectResponse(url('login'));
        }

        $settings = $request->request->all();
        // Remove CSRF or other non-setting fields if present
        unset($settings['_token']);

        $dbKey = 'theme_settings_' . $themeSlug;

        $config = SystemConfig::where('system_config_key', $dbKey)->first();
        if (!$config) {
            $config = new SystemConfig();
            $config->system_config_key = $dbKey;
            $config->system_config_type = 'json';
            $config->system_config_is_public = true;
        }

        $config->system_config_value = json_encode($settings, JSON_UNESCAPED_UNICODE);
        $config->system_config_updated_by = $user->users_id ?? 1;
        $config->save();

        return new RedirectResponse(url('admin/themes/' . $themeSlug . '/customize?success=1'));
    }
}