<?php

namespace App\Services;

/**
 * 微信服务管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * Class WechatService
 * @package App\Services
 */
class MpService extends BaseService
{
    // 静态对象
    protected static $instance = null;

    protected $debug = true;
    protected $expireTime = 7200; // 缓存日志时长
    protected $mpAppid = '';
    protected $mpAppSecret = '';

    // 接口地址
    protected $apiUrls = [
        // 授权登录
        'auth'=> 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code',
        // 授权跳转地址
        'authorize'=>'https://open.weixin.qq.com/connect/oauth2/authorize?appid=%s&redirect_uri=%s&response_type=code&scope=snsapi_userinfo&state=%s#wechat_redirect',
        // 获取token
        'getToken'=>'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s',
        // 获取二维码
        'getQrcode'=>'https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=%s&scene=%s&page=%s&env_version=%s',
        // 生成小程序分享链接
        'getSchemeLink'=>'https://api.weixin.qq.com/wxa/generatescheme?access_token=%s',
        // 短链接
        'getShortLink'=>'https://api.weixin.qq.com/wxa/genwxashortlink?access_token=%s',
        // 获取用户信息
        'getUserInfo'=>'https://api.weixin.qq.com/sns/jscode2session',
        // 获取手机号
        'getPhoneNumber'=>'https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=%s',
        // 获取运力公司列表
        'getDeliveryCompanyList'=>'https://api.weixin.qq.com/product/delivery/get_company_list?access_token=%s',
        // 获取支持的快递公司列表
        'getDelivery'=>'https://api.weixin.qq.com/cgi-bin/express/local/business/delivery/getall?access_token=%s',
        // 上传发货信息，同步发货状态
        'deliverySend'=>'https://api.weixin.qq.com/wxa/sec/order/upload_shipping_info?access_token=%s',
    ];


    public function __construct()
    {
        $this->mpAppid = ConfigService::make()->getConfigByCode('wechat_mp_appid');
        $this->mpAppSecret = ConfigService::make()->getConfigByCode('wechat_mp_appsecret');
    }

    /**
     * 静态入口
     * @return static|null
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = new static();
        }

        return self::$instance;
    }

    /**
     * web 授权
     * @param $code
     * @return array|false|mixed|string|string[]
     */
    public function auth($code)
    {
        try {


            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            // 没有code参数
            if(empty($code)){
                $uri=urlencode(env("WEB_URL")."/v1/mpAuth");
                $state=get_random_code(16);
                $url= sprintf($this->apiUrls['authorize'], $this->mpAppid, $this->mpAppSecret, $uri, $state);
                return redirect($url);
            }

            $cacheKey = "caches:mpApp:mp_{$this->mpAppid}:";
            $url = sprintf($this->apiUrls['auth'],$this->mpAppid, $this->mpAppSecret, $code);
            $result = httpRequest($url, '', 'get','',5);
            $this->saveLog($cacheKey.'auth:request', ['url'=>$url,'code'=>$code,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            if(empty($result)){
                $this->error = '授权登录失败';
                return "<script>alert('微信授权失败');window.close()</script>";
            }
            return $result;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'auth:error', ['code'=>$code,'error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 获取 access_token
     * @param false $refresh
     * @return false|mixed|string
     */
    public function getAccessToken($refresh = false)
    {
        try {
            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            $cacheKey = "caches:mpApp:mp_{$this->mpAppid}:";
            $tokenData = RedisService::get($cacheKey.'access_token');
            $token = isset($tokenData['access_token'])? $tokenData['access_token'] : '';
            if($token && !$refresh){
                return $token;
            }

            $url = sprintf($this->apiUrls['getToken'], $this->mpAppid, $this->mpAppSecret);
            $result = httpRequest($url,'', 'get','',5);
            $this->saveLog($cacheKey.'tokens:request', ['url'=>$url,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            $token = isset($result['access_token'])? $result['access_token'] : '';
            if(empty($result) || empty($token)){
                $this->error = '获取小程序TOKEN失败';
                return false;
            }

            $result['date'] = date('Y-m-d H:i:s');
            RedisService::set($cacheKey.'access_token', $result, 7000);
            return $token;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'tokens:error', ['error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 小程序二维码
     * @param $page 页面
     * @param $scene 场景参数
     * @param string $version 类型：release-永久
     * @param false $refresh
     * @return false|string
     */
    public function getMiniQrcode($page, $scene, $version='release', $refresh=false)
    {
        if (!in_array($version,['release','trial','develop'])) {
            $version='release';
        }

        try {
            if(empty($page) || empty($scene)){
                $this->error = '缺少二维码参数';
                return false;
            }

            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            if(!$token = $this->getAccessToken())
            {
                $this->error = '获取token失败';
                return false;
            }

            $cacheKey = "caches:members:mp_{$this->mpAppid}:";
            $filePath = base_path('public/uploads');
            $qrFile = '/qrcodes/mp_'.date("YmdHis")."_".md5($page.$scene).".png";
            $qrKey = md5(date("Ym").$page.$scene);
            if(RedisService::get($cacheKey.$qrKey) && file_exists($filePath.'/'.$qrFile) && !$refresh){
                return $qrFile;
            }

            if(!is_dir($filePath.'/qrcodes/')){
                @mkdirs($filePath.'/qrcodes/');
            }

            $data=['page' => $page,'scene'=>$scene,'check_path'=>false,'env_version'=>$version];
            $url = sprintf($this->apiUrls['getQrcode'], $token, $scene, $page, $version);
            $result = curl_post($url, json_encode($data));
            $datas = $result? json_decode($result, true) : [];
            $this->saveLog($cacheKey.'qrcode:request', ['page'=>$page,'scene'=>$scene,'url'=>$url,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            $errcode = isset($datas['errcode'])? $datas['errcode'] : '';
            $errmsg = isset($datas['errmsg'])? $datas['errmsg'] : '';
            if($errcode){
                $this->error = $errmsg? $errmsg : '获取二维码失败';
                return false;
            }

            file_put_contents($filePath.'/'.$qrFile, $result);
            if(!file_exists($filePath.'/'.$qrFile)){
                $this->error = '生成二维码失败';
                return false;
            }

            RedisService::set($cacheKey.$qrKey, ['page'=>$page,'scene'=>$scene,'qrcode'=>$qrFile,'date'=>date('Y-m-d H:i:s')], 30 * 86400);
            return $qrFile;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'qrcode:error', ['page'=>$page,'scene'=>$scene,'error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 小程序分享链接
     * @param $path 页面路径
     * @param $query 地址参数
     * @param false $refresh
     * @return false|string
     */
    public function getMiniShareLink($path, $query,$isExpire=false,$linkType=2, $refresh=false)
    {
        try {
            if(empty($path) || empty($query)){
                $this->error = '缺少链接参数';
                return false;
            }

            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            if(!$token = $this->getAccessToken())
            {
                $this->error = '获取token失败';
                return false;
            }

            $cacheKey = "caches:members:mpShare_{$this->mpAppid}:{$linkType}_".md5($path.$query);
            $link = RedisService::get($cacheKey);
            if($link && !$refresh){
                return $link;
            }

            if($linkType == 1){
                $data = [
                    'jump_wxa'=>[
                        'path'=>$path,
                        'query'=>$query,
                    ],
                    'is_expire'=> $isExpire,
                ];
            }else if($linkType ==2){
                $data=[
                    'page_url'=> $path,
                    'page_title'=> $query,
                    'is_permanent'=>$isExpire
                ];
            }


            $linkTypes = [1=>'getSchemeLink',2=>'getShortLink'];
            $name = isset($linkTypes[$linkType])?$linkTypes[$linkType]: 'getShortLink';
            $url = sprintf($this->apiUrls[$name], $token);
            $result = curl_post($url, json_encode($data));
            $datas = $result? json_decode($result, true) : [];
            $this->saveLog($cacheKey.'_result', ['path'=>$path,'query'=>$query,'linkType'=>$linkType,'url'=>$url,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            $errcode = isset($datas['errcode'])? $datas['errcode'] : '';
            $errmsg = isset($datas['errmsg'])? $datas['errmsg'] : '';
            $link =isset($datas['link'])? $datas['link'] : '';
            if($errcode || empty($link)){
                $this->error = $errmsg? '获取失败：'.$errmsg : '获取链接失败';
                return false;
            }

            RedisService::set($cacheKey,$link, rand(3600,7200));
            return $link;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'_error', ['path'=>$path,'query'=>$query,'linkType'=>$linkType,'error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 获取用户信息
     * @param $code
     * @return array|false|mixed|string[]
     */
    public function getUserinfo($code)
    {
        try {
            if(empty($code)){
                $this->error = '缺少授权参数';
                return false;
            }

            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            $data=[
                'appid' => $this->mpAppid,
                'secret'=> $this->mpAppSecret,
                'js_code'=>$code,
                'grant_type'=>'authorization_code'
            ];
            $cacheKey = "caches:mpApp:mp_{$this->mpAppid}:";
            $url = $this->apiUrls['getUserInfo'];
            $result = httpRequest($url, $data,'get','',5);
            $this->saveLog($cacheKey.'userInfo:request', ['code'=>$code,'url'=>$url,'query'=>$data,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            if(empty($result)){
                $this->error = '获取用户信息失败';
                return false;
            }
            return $result;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'userInfo:error', ['code'=>$code,'error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 获取用户手机号码
     * @param $code
     * @return array|false|mixed|string[]
     */
    public function getPhoneNumber($code)
    {
        try {
            if(empty($code)){
                $this->error = '缺少授权参数';
                return false;
            }

            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            if(!$token = $this->getAccessToken())
            {
                $this->error = '获取token失败';
                return false;
            }

            $cacheKey = "caches:mpApp:mp_{$this->mpAppid}:";
            $url = sprintf($this->apiUrls['getPhoneNumber'], $token);
            $result = httpRequest($url, json_encode(['code'=>$code],256),'post','',5);
            $this->saveLog($cacheKey.'phone:request', ['code'=>$code,'url'=>$url,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            if(empty($result)){
                $this->error = '获取用户手机号失败';
                return false;
            }
            return $result;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'phone:error', ['code'=>$code,'error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 只带 access_token API  请求
     * @param string $apiName 接口名称
     * @param $data 接口数据
     * @param $requestType 请求方式：post或get
     * @return false|mixed|string
     */
    public function requestApi(string $apiName, $data=[], $requestType = 'post')
    {
        try {
            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            if(!$token = $this->getAccessToken())
            {
                $this->error = '获取token失败';
                return false;
            }

            $cacheKey = "caches:mpApp:mp_{$this->mpAppid}:";
            $url = sprintf($this->apiUrls[$apiName], $token);
            $result = httpRequest($url,$data?json_encode($data,256):'', $requestType,'',5);
            $this->saveLog($cacheKey."{$apiName}:request", ['url'=>$url,'data'=>$data,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            return $result;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey."{$apiName}:error", ['data'=>$data,'error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 获取 客服接口 access_token
     * @param false $refresh
     * @return false|mixed|string
     */
    public function getServiceToken($refresh = false)
    {
        try {
            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            $cacheKey = "caches:mpApp:mp_{$this->mpAppid}:";
            $tokenData = RedisService::get($cacheKey.'kf_access_token');
            $token = isset($tokenData['access_token'])? $tokenData['access_token'] : '';
            if($token && !$refresh){
                return $token;
            }

            $url = sprintf($this->apiUrls['getServiceToken'], $this->mpAppid, $this->mpAppSecret);
            $result = httpRequest($url,'', 'get','',5);
            $this->saveLog($cacheKey.'kfTokens:request', ['url'=>$url,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            $token = isset($result['access_token'])? $result['access_token'] : '';
            if(empty($result) || empty($token)){
                $this->error = '获取小程序客服TOKEN失败';
                return false;
            }

            $result['date'] = date('Y-m-d H:i:s');
            RedisService::set($cacheKey.'kf_access_token', $result, 7000);
            return $token;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'kfTokens:error', ['error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 获取客服地址
     * @return array|false|mixed|string[]
     */
    public function getServiceUrl()
    {
        try {
            if(empty($this->mpAppid) || empty($this->mpAppSecret)){
                $this->error = '小程序参数未配置';
                return false;
            }

            if(!$token = $this->getServiceToken())
            {
                $this->error = '获取token失败';
                return false;
            }

            $cacheKey = "caches:mpApp:mp_{$this->mpAppid}:";
            $url = sprintf($this->apiUrls['getServiceUrl'], $token);
            $result = httpRequest($url, '','post','',5);
            $this->saveLog($cacheKey.'service:request', ['url'=>$url,'result'=>$result,'date'=>date('Y-m-d H:i:s')]);
            if(empty($result)){
                $this->error = '获取小程序客服地址失败';
                return false;
            }
            return $result;
        }catch (\Exception $e){
            $this->error = $e->getMessage();
            $this->saveLog($cacheKey.'service:error', ['error'=>$this->error,'trace'=>$e->getTrace(),'date'=>date('Y-m-d H:i:s')]);
            return false;
        }
    }

    /**
     * 检验数据的真实性，并且获取解密后的明文.
     * @param $encryptedData string 加密的用户数据
     * @param $iv string 与用户数据一同返回的初始向量
     * @param $sessionKey string 解密会话KEY
     *
     * @return int 成功0，失败返回对应的错误码
     */
    public function decryptData($encryptedData, $iv, $sessionKey)
    {
        if (strlen($sessionKey) != 24) {
            $this->error = -41001;
            return false;
        }

        $aesKey=base64_decode($sessionKey);
        if (strlen($iv) != 24) {
            $this->error = -41002;
            return false;
        }
        $aesIV=base64_decode($iv);

        $aesCipher=base64_decode($encryptedData);

        $result=openssl_decrypt( $aesCipher, "AES-128-CBC", $aesKey, 1, $aesIV);
        $dataObj=json_decode( $result);
        if( $dataObj  == NULL )
        {
            $this->error = -41003;
            return false;
        }
        if( $dataObj->watermark->appid !=  $this->mpAppid)
        {
            $this->error = -41003;
            return false;
        }


        return $dataObj;
    }

    /**
     * 保存日志
     * @param $cackekey
     * @param $data
     * @param $time
     */
    public function saveLog($cackekey, $data, $time=0)
    {
        if($this->debug){
            RedisService::set($cackekey, $data, $time?$time : $this->expireTime);
        }
    }


}