<?php
namespace app\admin\library;


use app\common\library\Rabbitmq;
use app\common\library\Redis;
use app\common\library\WeChatObject;
use app\main\service\WeChatAdService;
use GuzzleHttp\Client;
use Symfony\Component\Cache\Simple\RedisCache;
use EasyWeChat\Factory;
use think\Config;
use think\Log;

class AbWeChatAuthorization{
    protected $platform;

    protected $adminConfig;

    protected $weChat;

    public function __construct($platform_id,$channel_id){
        if(!$platform_id || !$channel_id){
            throw new \Exception('Platform_id OR Channel_id 为空');
        }
        //获取平台信息
        if(!$this->platform = model('Platform')->where(['id'=>$platform_id])->find()){
            throw new \Exception('获取平台信息失败');
        }
        Log::info(sprintf('微信授权: platform_id:%d channel_id:%d 取得平台信息',$platform_id,$channel_id));
        //获取渠道信息
        if(!$this->adminConfig = model('AdminConfig')->where(['admin_id'=>$channel_id])->find()){
            throw new \Exception('获取用户信息失败');
        }
        Log::info(sprintf('微信授权: platform_id:%d channel_id:%d 取得渠道信息',$platform_id,$channel_id));
        $wechatObj = new WeChatObject($this->adminConfig);
        $this->weChat = $wechatObj->getPlatform($platform_id);
    }

    /**
     * 授权处理
     * @param bool $isUpdate 是否是更新权限
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function authorization($isUpdate = false){

        // 使用授权码换取接口调用凭据和授权信息
        $auth = $this->weChat->handleAuthorize();
        // 检查当前授权的公众号与历史授权公众号是否一致
        $existsAppID = model('WechatAb')->where('appid',$auth['authorization_info']['authorizer_appid'])->where('admin_id','neq',$this->adminConfig->admin_id)->find();
        if($existsAppID){
            //更新平台用户refreshToken信息
            $this->updateUserRefrshToken($this->platform->id,$auth['authorization_info']['authorizer_refresh_token'],$existsAppID['admin_id'], $auth['authorization_info']['authorizer_appid']);
            throw new \Exception('一个服务号只能绑定一个账号！');
        }

        // 获取授权方的帐号基本信息
        $authInfo = $this->weChat->getAuthorizer($auth['authorization_info']['authorizer_appid']);
        Log::info(sprintf('Ab微信授权: platform_id:%d channel_id:%d 微信授权检测通过',$this->platform['id'],$this->adminConfig['admin_id']));
        //检测权限
        $this->checkWeChatAuth($authInfo);

        //添加微信AD数据源
        $data['appid'] = $auth['authorization_info']['authorizer_appid'];
        $wx_ad_source_id = WeChatAdService::instance()->createWxAdSourceId($data['appid'], $this->platform->id, $auth['authorization_info']['authorizer_refresh_token']);
        Log::info("数据AD：". $wx_ad_source_id);
        if (!$wx_ad_source_id) {
            throw  new \Exception('Ab微信授权失败');
        }

        $data['wx_ad_source_id'] = $wx_ad_source_id;
        $data['admin_id'] = $this->adminConfig->admin_id;
        $data['platform_id'] = $this->platform->id;
        $data['refresh_token'] = $auth['authorization_info']['authorizer_refresh_token'];
        $data['json'] = json_encode($authInfo, 256);
        $data['createtime'] = time();
        $data['updatetime'] = time();

        Log::info(sprintf('Ab微信授权: platform_id:%d channel_id:%d 微信基本信息更新完成',$this->platform['id'],$this->adminConfig['admin_id']));
        if (!model('WechatAb')->allowField(true)->save($data)) {
            throw  new \Exception('Ab更新授权信息失败');
        }

        //清除缓存
        $redis = Redis::instance();
        $redis->del('AA:' . $auth['authorization_info']['authorizer_appid']);
    }

    /**
     * 更新用户RefrshToken
     * @param $platform_id
     * @param $refresh_token
     * @param $admin_id
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \Exception
     */
    private function updateUserRefrshToken($platform_id,$refresh_token,$admin_id = null, $appid){
        //更新ptoken信息
        $ptoken_map = ['admin_id'=>$this->adminConfig->admin_id,'platform_id'=>$platform_id, 'appid' => $appid];
        if($admin_id){
            $ptoken_map['admin_id'] = $admin_id;
        }
        if($ptoken = model('WechatAb')->where($ptoken_map)->find()){
            if(false === model('WechatAb')->where($ptoken_map)->update(['refresh_token'=>$refresh_token,'updatetime'=>time()])){
                throw new \Exception('Ab更新RefrshToken失败');
            }
        }
        Log::info(sprintf('Ab微信授权: platform_id:%d channel_id:%d 微信PTOKEN更新完成',$this->platform['id'],$this->adminConfig['admin_id']));
    }

    /**
     * 检测权限
     * @param $authUser
     * @throws \Exception
     */
    private function checkWeChatAuth($authUser){
        if (!isset($authUser['authorizer_info']['service_type_info']['id'])) {
            throw new \Exception('Ab获取授权信息失败,请重新扫码授权');
        }
        if ($authUser['authorizer_info']['service_type_info']['id'] != 2) {
            throw new \Exception('Ab当前授权公众号类型非服务号，请使用服务号进行扫码');
        }
        if ($authUser['authorizer_info']['verify_type_info']['id'] == -1) {
            throw new \Exception('Ab当前授权服务号未认证，请使用认证服务号进行扫码');
        }
        $authList = array_column(array_column($authUser['authorization_info']['func_info'], 'funcscope_category'), 'id');
        if(empty($authList)){
            throw new \Exception('Ab获取授权信息失败');
        }
        if(!in_array(1,$authList)){
            throw new \Exception('Ab必须授予-消息管理权限');
        }
        if(!in_array(15,$authList)){
            throw new \Exception('Ab必须授予-自定义菜单权限');
        }
        if(!in_array(4,$authList)){
            throw new \Exception('Ab必须授予-网页服务权限');
        }
        if(!in_array(2,$authList)){
            throw new \Exception('Ab必须授予-用户管理权限');
        }
        if(!in_array(3,$authList)){
            throw new \Exception('Ab必须授予-帐号服务权限');
        }
        if(!in_array(11,$authList)){
            throw new \Exception('Ab必须授予-素材管理权限');
        }
        if(!in_array(23,$authList)){
            throw new \Exception('Ab必须授予-广告管理权限');
        }
    }

}