<?php
namespace app\api\logic;
use app\common\logic\BaseLogic;
use app\common\model\coupon\CouponCategory;
use app\common\model\coupon\CouponRules;
use app\common\model\coupon\UserCoupon;
use think\db\Query;
use think\db\Where;
use think\facade\Db;

/**
 * @author 林海涛
 * @date 2024/7/18 下午4:49
 */
class UserCouponLogic extends BaseLogic
{
    public static function add($params)
    {
        Db::startTrans();
        try{
            $errMsgArr = [];
            $rules = CouponRules::whereIn('id',$params['coupon_ids'])->lock(true)->select();
            $userCoupon = UserCoupon::where('user_id',$params['user_id'])
                ->whereIn('coupon_id',$params['coupon_ids'])
                ->where('voucher_count','>',0)
                ->select();
            $updateData = [];
            $createData = [];
            foreach($rules as $v) {
                if ($v->expire_time < time()) {
                    $errMsgArr[]  = $v->event_name .'已过期';
                    continue;
                }
                if($v->voucher_status == 2){
                    $errMsgArr[] = $v->event_name .'已设置为过期';
                    continue;
                }
                if($userCoupon->where('coupon_id',$v->id)->count()){
                    $errMsgArr[] = $v->event_name . '已领取';
                    continue;
                }
                $updateData[$v->id] = ['voucher_count' => --$v->voucher_count];
                $createData[] = ['user_id'=>$params['user_id'],'coupon_id' => $v->id,'voucher_count' =>1];
            }
            CouponRules::updateWhenCase($updateData);
            if(!empty($createData)){
                (new UserCoupon())->saveAll($createData);
            }
            Db::commit();
            return $errMsgArr;
        }catch(\Exception $e){
            Db::rollback();
            self::setError($e->getMessage());
            return false;
        }

    }

    /**
     * @param $params
     * @return array|false
    */
    public static function categoryCouponList($params)
    {
        try{
            $data =  CouponRules::whereIn('id',CouponCategory::where('goods_category_id',$params['goods_category_id'])->group('coupon_id')->column('coupon_id'))
                ->where(['coupon_type'=>1])
                ->field(['id', 'amount', 'coupon_type','amount_require', 'begin_use', 'discount_ratio', 'event_name', 'expire_time', 'max_deductible_price', 'mold_type', 'server_category_name', 'voucher_status', 'voucher_count'])
                ->order(['id' => 'desc'])
                ->select()
                ->toArray();
            foreach($data as $k => $v){
                $v['begin_use'] = $v['begin_use'] ? date('Y-m-d H:i:s',$v['begin_use']) :null;
                $v['expire_time'] =  $v['begin_use'] ?date('Y-m-d H:i:s',$v['expire_time']) :null;
                $data[$k] = $v;
            }
            return $data;
        }catch(\Exception $e){
            Db::rollback();
            self::setError($e->getMessage());
            return false;
        }
    }
}