<?php
/**
 * Created by PhpStorm.
 * User: Bear
 * Date: 2018/11/29
 * Time: 上午10:41
 */

namespace app\main\service;

use app\common\library\Redis;
use app\common\model\Platform;
use app\main\constants\ErrorCodeConstants;
use app\main\constants\OpenPlatformConstants;
use EasyWeChat\Factory;
use EasyWeChat\OpenPlatform\Authorizer\Auth\AccessToken;
use GuzzleHttp\Client;
use Symfony\Component\Cache\Simple\RedisCache;
use think\Config;
use think\Log;

/**
 * 公众平台
 * Class OpenPlatformService
 * @package app\main\service
 */
class OpenPlatformService extends BaseService
{
    /**
     * @var OpenPlatformService
     */
    protected static $self = NULL;

    /**
     * @var \EasyWeChat\OpenPlatform\Application
     */
    public $openPlatform = NULL;

    /**
     * @var \EasyWeChat\OpenPlatform\Authorizer\OfficialAccount\Application
     */
    public $officialAccount;

    /**
     * @var string
     */
    public $sourceDomain;

    //平台ID对应的代理IP
    private $_proxy = [];

    /**
     * @return $this|OpenPlatformService
     */
    public static function instance()
    {
        if (self::$self == NULL) {
            self::$self = new self();
        }
        return self::$self;
    }

    /**
     * @return Platform
     */
    public function getPlatformModel()
    {
        return model('Platform');
    }

    /**
     * @return bool|\EasyWeChat\OpenPlatform\Application
     */
    public function getOpenPlatform()
    {
        try {
            if (!$this->openPlatform) {
                $pt_id = Config::get('wechat.platform_id');

                if ($proxy = $this->getProxy($pt_id)) {
                    $httpConfig = array_merge(Config::get('wechat.http'), ['proxy' => $proxy]);
                    Config::set('wechat.http', $httpConfig);
                }

                $this->openPlatform = Factory::openPlatform(Config::get('wechat'));
                $this->openPlatform['cache'] = new RedisCache(Redis::instanceCache());
            }
            return $this->openPlatform;
        } catch (\Exception $e) {
            LogService::exception($e);
            return false;
        }
    }

    /**
     * @param string           $appId
     * @param string|null      $refreshToken
     * @param AccessToken|null $accessToken
     * @return \EasyWeChat\OpenPlatform\Authorizer\OfficialAccount\Application
     * @throws \Exception
     */
    public function getOfficialAccount(string $appId = "", string $refreshToken = null, AccessToken $accessToken = null)
    {
        if (!$appId) {
            if (Config::get('wechat.platform_id')) {
                if ($proxy = $this->getProxy(Config::get('wechat.platform_id'))) {
                    $httpConfig = array_merge(Config::get('wechat.http'), ['proxy' => $proxy]);
                    Config::set('wechat.http', $httpConfig);
                }
            }

            $this->officialAccount = Factory::officialAccount(Config::get('wechat'));

            if (isset($proxy) && $proxy) {
                $httpConfig = array_merge(Config::get('wechat.http'), ['proxy' => $proxy]);
                $this->officialAccount['http_client'] = new Client($httpConfig);
            }
        } else {
            $this->officialAccount = $this->getOpenPlatform()->officialAccount($appId, $refreshToken, $accessToken);

            $adminConfig = AdminService::instance()->getAdminConfigModel()->getAdminInfoByAppId($appId);
            $config_platform_id = $pt_id = Config::get('wechat.platform_id');
            if ($config_platform_id == $adminConfig['menu_platform_id']) {
                $pt_id = $adminConfig['menu_platform_id'];
            } else {
                $pt_id = $adminConfig['platform_id'];
            }

            if ($proxy = $this->getProxy($pt_id)) {
                $httpConfig = array_merge(Config::get('wechat.http'), ['proxy' => $proxy]);
                $this->officialAccount['http_client'] = new Client($httpConfig);
            }
        }
        $this->officialAccount['cache'] = new RedisCache(Redis::instanceCache());

        return $this->officialAccount;
    }

    /**
     * @param string $sourceDomain
     * @return string
     */
    public function setSourceDomain(string $sourceDomain)
    {
        return $this->sourceDomain = $sourceDomain;
    }

    /**
     * @return string
     */
    public function getSourceDomain()
    {
        return $this->sourceDomain;
    }

    /**
     * @return \app\main\model\object\ReturnObject
     */
    public function initWxParams()
    {
        try {
            $adminconfig = UserService::instance()->getRunTimeObject()->adminConfig;
            switch (UserService::instance()->getRunTimeObject()->urlType) {
                case OpenPlatformConstants::URL_TYPE_ADMIN: // 后台首页
                    break;
                case OpenPlatformConstants::URL_TYPE_PAY: // 充值页
                    $host = get_host_no_port();
                    $payHosts = OfficialAccountsService::instance()->getWxpayModel()->getHosts();
                    if (in_array($host, $payHosts)) {
                        $pay_hosts = OfficialAccountsService::instance()->getWxpayModel()->getInfoByHost($host);
                        $payInfo = OfficialAccountsService::instance()->getWxpayModel()->getInfo($pay_hosts['platform_id'], $pay_hosts['id']);
                        Config::set('wechat.app_id', $payInfo['appid']);
                        Config::set('wechat.secret', $payInfo['secret']);
                        Config::set('wechat.mch_id', $payInfo['mcid']);
                        Config::set('wechat.key', $payInfo['apikey']);
                        Config::set('wechat.platform_id', $payInfo['platform_id']);
                    } else {
                        Config::set('wechat.app_id', $adminconfig['wxpay_appid']);
                        Config::set('wechat.secret', $adminconfig['wxpay_secret']);
                        Config::set('wechat.mch_id', $adminconfig['wxpay_mcid']);
                        Config::set('wechat.key', $adminconfig['wxpay_apikey']);
                        Config::set('wechat.platform_id', $adminconfig['platform_id']);
                    }
                    $arr = Config::get('wechat.http');
                    $arr['base_uri'] = 'https://api.mch.weixin.qq.com/';
                    Config::set('wechat.http', $arr);
                    break;
                case OpenPlatformConstants::URL_TYPE_SPREAD: // 推广页
                    //获取域名平台,先用顶级查找,顶级找不到使用全域名进行查找
                    $host = get_host_no_port();
                    $hostArr = explode(".", $host);
                    array_shift($hostArr);
                    $topHost = implode(".", $hostArr);
                    if (!$ophost = OfficialAccountsService::instance()->getOphostModel()->getInfoByHost($topHost)) {
                        $ophost = OfficialAccountsService::instance()->getOphostModel()->getInfoByHost($host);
                    }
                    //获取微信平台信息
                    if ($ophost) {
                        $platform_info = OpenPlatformService::instance()->getPlatformModel()->getInfo($ophost['platform_id']);
                        Config::set('wechat.app_id', $platform_info['appid']);
                        Config::set('wechat.secret', $platform_info['secret']);
                        Config::set('wechat.token', $platform_info['token']);
                        Config::set('wechat.aes_key', $platform_info['aes_key']);
                        Config::set('wechat.platform_id', $ophost['platform_id']);
                    } else {
                        Config::set('wechat.app_id', $adminconfig['platform_appid']);
                        Config::set('wechat.secret', $adminconfig['platform_secret']);
                        Config::set('wechat.token', $adminconfig['platform_token']);
                        Config::set('wechat.aes_key', $adminconfig['platform_aes_key']);
                        Config::set('wechat.platform_id', $adminconfig['platform_id']);
                    }
                    break;
                default: //默认
                    break;
            }
            return $this->getReturn();
        } catch (\Exception $e) {
            return $this->getExceptionReturn($e);
        }
    }

    /**
     * 获取服务号的refresh_token
     * @param $channelId
     * @return mixed
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function getRefreshToken($channelId)
    {
        $adminConfig = AdminService::instance()->getAdminConfigModel()->getAdminInfoAll($channelId);
        $config_platform_id = Config::get('wechat.platform_id');
        if ($config_platform_id == $adminConfig['menu_platform_id']) {
            if (!isset($adminConfig['menu_refresh_token'])) {
                $adminConfig['menu_refresh_token'] = model('Ptoken')->where(['platform_id' => $config_platform_id, 'admin_id' => $adminConfig['admin_id']])->value('refresh_token');
            }
            $refresh_token = $adminConfig['menu_refresh_token'];
        } else {
            $refresh_token = $adminConfig['refresh_token'];
        }

        return $refresh_token;
    }

    /**
     * 使用appid初始化平台
     * @param $appid
     * @return \app\main\model\object\ReturnObject
     */
    public function initPlatformByAppId($appid)
    {
        $platformData = OpenPlatformService::instance()->getPlatformModel()->where(['appid'=>$appid])->find();
        if($platformData){
            Config::set('wechat.app_id', $platformData['appid']);
            Config::set('wechat.secret', $platformData['secret']);
            Config::set('wechat.token', $platformData['token']);
            Config::set('wechat.aes_key', $platformData['aes_key']);
            Config::set('wechat.platform_id', $platformData['id']);
            LogService::info('API_LOG Platform:' . var_export($platformData, true));
            if (!OpenPlatformService::instance()->getOpenPlatform()) {
                return $this->setMsg('平台配置有误')->setCode(ErrorCodeConstants::PARAMS_ERROR_INVALID)->getReturn();
            }
        }else{
            return $this->setMsg('平台配置有误')->setCode(ErrorCodeConstants::PARAMS_ERROR_INVALID)->getReturn();
        }

        return $this->getReturn();
    }

    /**
     * 使用平台id初始化平台
     * @param $pt_id
     * @return \app\main\model\object\ReturnObject
     */
    public function initPlatformById($pt_id)
    {
        $platformData = OpenPlatformService::instance()->getPlatformModel()->getInfo($pt_id);
        if($platformData){
            Config::set('wechat.app_id', $platformData['appid']);
            Config::set('wechat.secret', $platformData['secret']);
            Config::set('wechat.token', $platformData['token']);
            Config::set('wechat.aes_key', $platformData['aes_key']);
            Config::set('wechat.platform_id', $platformData['id']);
            LogService::info('API_LOG Platform:' . var_export($platformData, true));
            if (!OpenPlatformService::instance()->getOpenPlatform()) {
                return $this->setMsg('平台配置有误')->setCode(ErrorCodeConstants::PARAMS_ERROR_INVALID)->getReturn();
            }
        }else{
            return $this->setMsg('平台配置有误')->setCode(ErrorCodeConstants::PARAMS_ERROR_INVALID)->getReturn();
        }

        return $this->getReturn();
    }

    /**
     * 返回平台代理IP 多个时随机返回一个
     * @param null $pt_id
     * @return null
     */
    public function getProxyconfigById($pt_id = null, $field = 'proxy_config', $all = false)
    {
        //$this->getPlatformModel()->delCacheAll($pt_id);
        $platformInfo = $this->getPlatformModel()->getInfo($pt_id);

        if (isset($platformInfo[$field])) {
            if ($proxyConfig = trim($platformInfo[$field])) {
                $arr = explode(",", str_replace([" ", " ", "\s", "\r", "\n"], [",", ",", ",", ",", ","], $proxyConfig));
                $arr = array_values(array_filter($arr));

                if ($all) {
                    return $arr;
                }

                $proxy = $arr[array_rand($arr,1)];
                Log::info("三方平台代理IP：{$proxy}");
                return $proxy;
            }
        }
        return null;
    }

    /**
     * 获取渠道的平台的代理IP
     * @param null $channel_id
     * @param null $app_id
     * @return null|string
     */
    public function getProxyconfigByChannel($channel_id = null, $app_id = null,  $field = 'proxy_config', $all = false)
    {
        if (empty($channel_id) && empty($app_id)) {
            return null;
        }

        if ($channel_id) {
            $adminInfo = AdminService::instance()->getAdminConfigModel()->getAdminInfoAll($channel_id);
        } else {
            $adminInfo = AdminService::instance()->getAdminConfigModel()->getAdminInfoByAppId($app_id);
        }

        return $this->getProxyconfigById($adminInfo['platform_id'], $field, $all);
    }

    /**
     * 返回平台对应的代理IP
     * @param $pt_id
     * @return mixed
     */
    public function getProxy($pt_id)
    {
        $modulename = request()->module();

        if (isset($this->_proxy[$pt_id]) && $modulename != 'admin') {
            return $this->_proxy[$pt_id];
        } else {
            $this->_proxy[$pt_id] = $this->getProxyconfigById($pt_id);
        }

        return $this->_proxy[$pt_id];
    }
}