<?php

namespace App\Service;

use Hyperf\Di\Annotation\Inject;
use Hyperf\DbConnection\Db;
use App\Model\CouponUserRecType;
use App\Model\Coupon;
use App\Model\CouponRec;
use App\Model\CouponUserUse;
use Hyperf\Utils\ApplicationContext;
use App\TaskWorker\SSDBTask;
use App\Constants\SsdbKeysPrefix;
use App\Constants\LogLabel;
use App\Commons\Log;
use Exception;
use App\Service\CommonService;
use Hyperf\Redis\Redis;

class CouponService implements CouponServiceInterface
{
     /**
     * @Inject
     * @var Log
     */
    protected $log;
    
    /**
     * @Inject
     * @var CommonService
     */
    protected $commonService;

     /**
     * 获取用户可领取优惠卷接口
     */
    public function getSystemCouponUserList($userId,$receiveType)
    {
        /* 优惠券活动标志 2 */ 
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $couponActivity = $ssdb->exec('hgetall', SsdbKeysPrefix::COUPON_REBATE_ACTIVITY);
        $activityType = $couponActivity === false ? 0 : $couponActivity['activity'];

        $result = [
            'active_type' => 1,
            'not_receive' => [],
            'jump_data'   => [
                'src'        => "/zh_cjdianc/pages/couponrebate/index?activity_type=".$activityType,
                'src2'       => "/zh_cjdianc/pages/couponrebate/index?activity_type=".$activityType,
                'share_bg'   => env('OSS_IMG_HOST').'/static/img/coupon_share.png',
                'receive_bg' => env('OSS_IMG_HOST').'/static/img/coupon_bg.png',
                'coupons'    => []
            ]
        ];
        $nowTime = time();
        $c_ids = [];
        $whereC = [
            ['end_time','>',$nowTime],
            ['start_time','<=',$nowTime],
            ['status','=',1]
        ];
        // 渠道开启，查询该渠道可以领取的优惠券ID
        // 渠道未开启，查询所有优惠券
        if (env('SUB_CHANNEL') == 1) {
            $c_ids = CouponUserRecType::where('receive_type', $receiveType)->where($whereC)->pluck('system_coupon_user_id');
        } else {
            $c_ids = Coupon::where($whereC)->pluck('id');
        }

        $couponReceive = CouponRec::where('user_id',$userId);

        // 渠道开启，查询该用户在此渠道领过的优惠券ID
        if (env('SUB_CHANNEL') == 1) {
            $couponReceive->where('receive_type', $receiveType);
        }
        $cr_ids = $couponReceive->pluck('system_coupon_user_id');

        // 可领取的券ID
        $c_ids = $c_ids->toArray();
        // 已经领取的券ID
        $cr_ids = $cr_ids->toArray();

        // 当前用户可领的优惠券ID
        $couponIds = array_diff($c_ids, $cr_ids);

        // 转发型优惠券 
        $couponReceiveIds = ($couponActivity === false || $this->commonService->empty($couponActivity['forward']) )? [] : explode(',',$couponActivity['forward']);
        // 所有优惠券 
        $couponIds = array_merge($couponIds,$couponReceiveIds);

        $whereC = [
            ['u.end_time','>',$nowTime],
            ['u.start_time','<=',$nowTime],
            ['u.status','=',1]
        ];
        // 查询领取型1 和 转发型2
        $whereActiveType = [1,2];

        if (env('SUB_CHANNEL') == 1) {
            array_push($whereC, ['type.receive_type','=', $receiveType]);
        }
        
        $coupons = Db::table('ims_system_coupon_user as u')
            ->join('ims_system_coupon_user_receivetype as type', 'u.id', '=', 'type.system_coupon_user_id')
            ->whereIn('u.id', $couponIds)
            ->whereIn('u.active_type', $whereActiveType)
            ->where($whereC)
            ->whereRaw('u.inventory_use < u.inventory and u.inventory-u.inventory_use >= type.one_receive_number')
            ->select('u.*','type.one_receive_number')
            ->orderBy('u.weigh','desc')
            ->get();

        foreach ($coupons as $k => &$v){

            if($v->active_type == 1 && count($result['not_receive']) < 4){
                $result['not_receive'][] = $v;
            }else if($v->active_type == 2 && in_array($v->id,$couponReceiveIds)){
                $result['jump_data']['coupons'][] = $v->id;
            }

            if($v->discount_type == 2){
                $v->discounts = floatval($v->discounts);
            }
        }

        $result['active_type'] = count($result['jump_data']['coupons']) > 0 ? 2 : $result['active_type'] ;

        return $result;
    }

    //统计用户
    public function userCouponAccount()
    {

    }

    /**
     * 用户领取优惠卷
     */
    public function userReceiveCoupon()
    {
       
    }

    /**
     * 获取用户已经领取的优惠卷列表
     */
    public function getUserReceiveCouponList()
    {

    }

    /**
     * 获取用户当前订单可用的优惠券列表
     * 按分类（1订单 等优惠）分组返回
     */
    public function getUserAvailableCoupons()
    {

    }

    /**
     * @inheritDoc
     */
    public function getOrderCanUseCoupons($orderAmount, $marketId, $userId, $fields=[], $type = 1, $storeTypeIds = [0])
    {

        // 用户今日使用过的优惠券
        $redis = ApplicationContext::getContainer()->get(Redis::class);
        $couponTodayUsedIds = $redis->sMembers('coupon_'.date('Ymd').'_used_'.$userId);
        $currentTime = time();

        $builder = Db::table('ims_system_coupon_user_receive as receive')
            ->join('ims_system_coupon_user as coupon', 'coupon.id', '=', 'receive.system_coupon_user_id', 'inner');

        if (is_array($fields)&&!empty($fields)) {
             $builder->select($fields);
        }

        if (is_array($couponTodayUsedIds)&&!empty($couponTodayUsedIds)) {
            $builder->whereNotIn('coupon.id', $couponTodayUsedIds);
        }

        return $builder->where(['receive.user_id' => $userId])
            ->whereIn('receive.status', [0,1])
            ->where('receive.number_remain', '>', 0)
            ->whereIn('coupon.type', [1,$type])
            ->where('coupon.full_amount', '<=', $orderAmount)
            ->where('coupon.usable_start_time', '<=', $currentTime)
            ->where('coupon.usable_end_time', '>=', $currentTime)
            ->where('coupon.usable_number', '<=', Db::raw('receive.number_remain'))
            ->where('coupon.market_id', 'in', [0, $marketId])
            ->whereIn('coupon.storetype_id', $storeTypeIds)
            ->orderByRaw('coupon.discounts DESC, coupon.full_amount DESC')
            ->get()
            ->toArray();
    }

    /**
     * 缓存优惠券今日使用情况
     * @param $userId
     * @param $couponId
     * @param $couponRecId
     * @return bool
     */
    function cacheTodayCouponUsed($userId, $couponId, $couponRecId)
    {

        $redis = ApplicationContext::getContainer()->get(Redis::class);

        $setRes = $redis->sAdd(
            'coupon_'.date('Ymd').'_used_'.$userId,
            $couponId
        );

        $expireRes = $redis->expire(
            'coupon_'.date('Ymd').'_used_'.$userId,
            strtotime(date('Y-m-d').' 23:59:59')-time()
        );

        return $setRes&&$expireRes;
    }

    /**
     * 取消订单返券
     * @param $order_id
     * @return bool
     */
    public function refundOrderCoupons($order_id,$user_id){
        $coupon = CouponUserUse::where([
            ['order_main_id','=',$order_id],
            ['status','=',CouponUserUse::COUPON_USE_STATE_USED],
        ])
            ->select('id','user_receive_id','number')
            ->first();
        // 返回用户优惠券数量并更新状态
        $res = Db::update("UPDATE ims_system_coupon_user_receive SET number_remain=number_remain+{$coupon->number}, status=IF(number=number_remain,0,1), update_time=".time().""
            ." WHERE id={$coupon->user_receive_id} AND number>=(number_remain+{$coupon->number})");

        // 更新使用记录状态为已退回
        CouponUserUse::where([
                ['id','=',$coupon->id],
                ['status','=',CouponUserUse::COUPON_USE_STATE_USED],
            ])
            ->update([
                'status' => CouponUserUse::COUPON_USE_STATE_CANCEL,
                'return_time' => time(),
                'update_time' => time(),
            ]);

        //删除当日 redis 使用记录缓存
        $redis = ApplicationContext::getContainer()->get(Redis::class);
        $remRes = $redis->sRem(
            'coupon_'.date('Ymd').'_used_'.$user_id,
            $coupon->system_coupon_id
        );
        return $res;
    }

   /* 删除-优惠券今日使用的缓存
     * @param $userId
     * @param $couponId
     * @param $couponRecId
     * @return bool
     */
    function clearTodayCouponUsed($userId, $couponId)
    {

        $redis = ApplicationContext::getContainer()->get(Redis::class);

        $res = $redis->sRem(
            'coupon_'.date('Ymd').'_used_'.$userId,
            $couponId
        );
    }
}