<?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 = '';
    protected $corpid = '';
    protected $corpsecret = '';

    // 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',
        // 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',
        // 获取客服token
        'getServiceToken'=>'https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=%s&corpsecret=%s',
        // 获取客服地址
        'getServiceUrl'=>'https://qyapi.weixin.qq.com/cgi-bin/kf/add_contact_way?access_token=%s',
    ];


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

    /**
     * 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;
            }

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

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

            $url = sprintf($this->apiUrls['getQrcode'], $token, $scene, $page, $version);
            $result = curl_post($url, '');
            $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 = '保存二维码失败';
                return false;
            }

            $result['date'] = date('Y-m-d H:i:s');
            RedisService::set($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;
        }
    }

    /**
     * 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;
        }
    }

    /**
     * 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;
        }
    }


    /**
     * 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);
        }
    }

}