<?php

namespace app\admin\controller;

use think\Request;
use think\facade\View;
use app\model\SystemConfig;
use think\facade\Cache;
use EasyWeChat\Factory;
use think\facade\Config;
use app\model\WxPublicAccount;
use app\UploadFiles as AppUploadFiles;

class System extends Common
{
    /**
     * 显示资源列表
     *
     * @return \think\Response
     */
    public function index()
    {
        return View::fetch();
    }

    public function others()
    {

        return View::fetch();
    }
    public function agreement()
    {

        return View::fetch();
    }
    public function theme()
    {

        return View::fetch();
    }
    public function easyBlue()
    {

        return View::fetch();
    }
    public function blog()
    {

        return View::fetch();
    }

    public function update()
    {

        $upload_files_config = [
            'site_logo'
        ];

        $post_data = $this->request->post();
        
        $list = SystemConfig::column('value','name');
        
        foreach ($post_data as $key => $value) {

            if(!is_string($value)){
                $value = serialize($value);
            }

            if(\in_array($key,$upload_files_config)){
                $old_save_name = get_system_config($key);
                AppUploadFiles::use($value);
                if($old_save_name != $value){
                    AppUploadFiles::delete($old_save_name);
                }
            }
            if(isset($list[$key])){
                SystemConfig::where('name',$key)->update(['value'=>$value]);
            }else{
                $model_sysconfig = new SystemConfig();
                $model_sysconfig->name = $key;
                $model_sysconfig->value = $value;
                $model_sysconfig->save();
            }

            $list[$key] = $value;
        }
        
        Cache::set('system_config',$list);

        return $this->success();
    }

    public function clearCache()
    {
      Cache::clear();

      return $this->success('清楚成功');
    }

    /**
     * AI 设置页面.
     */
    public function ai()
    {
        return View::fetch();
    }

    /**
     * 同步 models.dev 数据.
     *
     * GET: 返回缓存的供应商列表(不触发远程同步)
     * POST: 强制从 models.dev 远程同步
     */
    public function syncModelsDev()
    {
        $sync = new \app\common\tools\ai\ModelsDevSync();

        if ($this->request->isGet()) {
            $result = [
                'providers' => $sync->getProviders(),
                'models' => [],
            ];
            return json(['code' => 0, 'msg' => 'ok', 'data' => $result]);
        }

        try {
            $result = $sync->syncProviders();
            $count = count($result['providers'] ?? []);
            return json(['code' => 0, 'msg' => "同步成功, 共{$count}个供应商", 'data' => $result]);
        } catch (\Exception $e) {
            return json(['code' => 500, 'msg' => '同步失败: ' . $e->getMessage()]);
        }
    }

    /**
     * 测试AI渠道连接.
     */
    public function testAiChannel()
    {
        $providerId = $this->request->param('provider_id', '');
        if (empty($providerId)) {
            return json(['code' => 500, 'msg' => '缺少供应商ID']);
        }
        $manager = new \app\common\tools\ai\AiChannelManager();
        $provider = $manager->getProvider($providerId);
        if (!$provider) {
            return json(['code' => 500, 'msg' => '供应商未配置或缺少API Key']);
        }
        $ok = $provider->testConnection();
        return json(['code' => $ok ? 0 : 500, 'msg' => $ok ? '连接成功' : '连接失败,请检查配置']);
    }

    /**
     * 获取指定供应商的模型列表.
     */
    public function getModelsByProvider()
    {
        $providerId = $this->request->param('provider_id', '');
        $sync = new \app\common\tools\ai\ModelsDevSync();
        $models = $sync->getModelsByProvider($providerId);
        return json(['code' => 0, 'data' => $models]);
    }

    /**
     * 获取 models.dev 缓存状态.
     */
    public function getAiCacheStatus()
    {
        $sync = new \app\common\tools\ai\ModelsDevSync();
        $status = $sync->getCacheStatus();
        return json(['code' => 0, 'data' => $status]);
    }

    /**
     * 保存AI渠道配置.
     */
    public function saveAiChannel()
    {
        $data = $this->request->post();
        $manager = new \app\common\tools\ai\AiChannelManager();
        $ok = $manager->saveChannelConfig($data);
        return json(['code' => $ok ? 0 : 500, 'msg' => $ok ? '保存成功' : '保存失败']);
    }

    /**
     * 删除AI渠道配置.
     */
    public function deleteAiChannel()
    {
        $providerId = $this->request->param('provider_id', '');
        if (empty($providerId)) {
            return json(['code' => 500, 'msg' => '缺少供应商ID']);
        }
        $manager = new \app\common\tools\ai\AiChannelManager();
        $ok = $manager->deleteChannelConfig($providerId);
        return json(['code' => $ok ? 0 : 500, 'msg' => $ok ? '删除成功' : '删除失败']);
    }
}