<?php
/**
 * Created by PhpStorm.
 * User: Bear
 * Date: 2019/11/28
 * Time: 上午10:05
 */

namespace app\main\service;
use app\common\library\Redis;
use app\main\constants\CacheConstants;
use think\Config;
use think\Request;

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

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

        return self::$self;
    }

    /**
     * @return \app\common\model\FufenGroup
     */
    public function getFufenGroupModel()
    {
        return model('FufenGroup');
    }

    /**
     * 获取支付id
     * @param $user_id
     * @param $channel_id
     * @return \app\main\model\object\ReturnObject
     */
    public function getWxpayId($user_id, $channel_id)
    {
        $cacheWx = CacheConstants::getChannelWxpayIds($channel_id);
        $wxpayList = Redis::instance()->get($cacheWx);
        if ($wxpayList === false) {
            $wxpayList = $this->getFufenGroupModel()->where('find_in_set(' . $channel_id . ', channel_ids)')->where('status', '1')->value('wxpay_ids');
            if (!$wxpayList) {
                $wxpayList = '';
            }
            Redis::instance()->set($cacheWx, $wxpayList);
        }
        if (!$wxpayList) {
            return $this->setData(false)->getReturn();
        } else {
            $wxpayList = explode(',', $wxpayList);
        }
        $cache = CacheConstants::getWxpayFunfen($user_id);
        $wxUsed = Redis::instance()->sMembers($cache);
        $left = array_diff($wxpayList, $wxUsed);
        $wxpayId = false;
        if ($left) {
            $wxpayId = array_pop($left);
        }
        return $this->setData($wxpayId)->getReturn();
    }

    /**
     * 检查域名是否为复粉支付域名
     * @param $host
     * @return \app\main\model\object\ReturnObject
     */
    public function checkWxpayHostIsFufen($host)
    {
        $pay_hosts = OfficialAccountsService::instance()->getWxpayModel()->getInfoByHost($host);
        if ($pay_hosts) {
            return $this->setData((bool)$pay_hosts['fufen'])->getReturn();
        }
        return $this->setData(false)->getReturn();
    }

    /**
     * 获取支付域名
     * @param $user_id
     * @param $channel_id
     * @return \app\main\model\object\ReturnObject
     */
    public function getPayUrl($user_id, $channel_id)
    {
        $wxpayId = $this->getWxpayId($user_id, $channel_id)->data;
        if (!$wxpayId) {
            $adminConfig = AdminService::instance()->getAdminConfigModel()->getAdminInfoAll($channel_id);
            $menuophost = $adminConfig['menuophost'] ?? null;
            $menuwxpay_host = $adminConfig['menuwxpay_host'] ?? null;
            if ($menuophost && $menuwxpay_host && $menuophost == getCurrentOphost()) {
                $payHost = $adminConfig['menuwxpay_host'];
            } else {
                $payHost = $adminConfig['wxpay_pay_host'];
            }
        } else {
            $wxpay = OfficialAccountsService::instance()->getWxpayModel()->getInfoById($wxpayId);
            $payHost = $wxpay['pay_host'];
        }
        $payHost = Config::get('site.scheme') . '://' . $payHost;

        return $this->setData($payHost)->getReturn();
    }

    /**
     * 清除支付相关的渠道缓存
     * @param $wxpay_id
     * @return \app\main\model\object\ReturnObject
     */
    public function clearChannelCacheByWxpayId($wxpay_id)
    {
        $fufenGroup = $this->getFufenGroupModel()->where('find_in_set(' . $wxpay_id . ', wxpay_ids)')->find();
        if ($fufenGroup) {
            $channel_ids = explode(',', $fufenGroup['channel_ids']);
            $wxpay_ids = explode(',', $fufenGroup['wxpay_ids']);
            $update_ids = array_diff($wxpay_ids, [$wxpay_id]);
            $update_ids_str = implode(',', $update_ids);
            $this->getFufenGroupModel()->update(['wxpay_ids' => $update_ids_str], ['id' => $fufenGroup['id']]);
            foreach ($channel_ids as $channel_id) {
                Redis::instance()->del(CacheConstants::getChannelWxpayIds($channel_id));
            }
        }

        return $this->setData(true)->getReturn();
    }

    /**
     * 检测测试参数
     * @return \app\main\model\object\ReturnObject
     */
    public function checkTestParams()
    {
        $valid = false;
        if ($t = Request::instance()->get('t')) {
            if (!$test = Config::get('app_test')) {
                $test = 'test';
            }
            if ($t == substr(md5($test), 4, 2)) {
                $valid = true;
            }
        }

        return $this->setData($valid)->getReturn();
    }
}