<?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 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;

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_bg.png',
                'receive_bg' => env('OSS_IMG_HOST').'/static/img/coupon_share.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 $key => $coupon) {
            //拼接满减文字提示
            $coupon->full_amount_text = '满' . $coupon->full_amount . "可用";
            //判断是折扣优惠券还是满减优惠券
            if($coupon->discount_type == 1){
                $coupon->discounts_text = '￥'.$coupon->discounts;
            }elseif($coupon->discount_type == 2){
                $coupon->discounts_text = floatval($coupon->discounts)."折";
            }
            //失效时间格式转换
            $usable_end_time = date('Y-m-d H:i:s',$coupon->usable_end_time);
            $coupon->usable_end_time_text = '有效期至:'.$usable_end_time;

            if ($coupon->usable_end_time < $nowTime || $coupon->number_remain <= 0) {
                $expired[] = $coupon;
            } else {
                $not_expired[] = $coupon;
            }
        }

        $result['active_type'] = count($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()
    {

    }

}