<?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\Exception;
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 = [];
            $rules = CouponRules::whereIn('code',$params['codes'])->where('voucher_status',1)->lock(true)->select();
            $userCoupon = UserCoupon::where('user_id',$params['user_id'])
                ->whereIn('code',$params['codes'])
                ->where('voucher_count','>',0)
                ->select();

            if($rules->isEmpty()){
                $errMsgArr[] = '优惠券不存在';
            }
            $updateData = [];
            $createData = [];
            foreach($rules as $v) {
                if($v->voucher_status == 2){
                    $errMsgArr[] = $v->event_name .'已设置为过期';
                    continue;
                }
                if($v->remaining_count <= 0 ){
                    $errMsgArr[] = $v->event_name .'数量不足';
                    continue;
                }
                if($userCoupon->where('coupon_id',$v->id)->count()){
                    $errMsgArr[] = $v->event_name . '已领取';
                    continue;
                }
                $updateData[$v->id] = ['remaining_count' => --$v->remaining_count];
                $createData[] = [
                    'user_id'=>$params['user_id'],
                    'coupon_id' => $v->id,
                    'code' => $v->code,
                    'voucher_status' => 0,
                    'voucher_count' =>1,
                    'amount' => $v->mold_type != 1 ? $v->amount:null,
                    'amount_require' => $v->amount_require,
                    'begin_use' => time(),
                    'discount_ratio' =>  $v->mold_type == 1 ? $v->discount_ratio:null,
                    'event_name' => $v->event_name,
                    'expire_time' => time()+$v->expire_time,
                    'max_deductible_price' => $v->mold_type == 1 ? $v->max_deductible_price:null,
                    'mold_type' => $v->mold_type,
                    'server_category_name' => $v->server_category_name
                ];
            }
            if(!empty($updateData)){
                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;
        }

    }

    /**
     * 我的优惠卷列表
     * @param $params
     * @return array|false
     */
    public static function userCouponList($params)
    {
        try{
            $where = [];
            if(isset($params['voucher_status']) && is_array($params['voucher_status'])){
                $where[] = ['voucher_status','IN',$params['voucher_status']];
            }
            $where[] = ['user_id','=',$params['user_id']];
            $data = UserCoupon::where($where)
                ->where(function(Query $query){
                    $query->where(' expire_time >'. (time()-86400*7));
                })
                ->field(['id','code','amount','amount_require','begin_use','voucher_status','discount_ratio','event_name','expire_time','max_deductible_price','server_category_name','mold_type'])
                ->append(['voucher_status_text','discount_ratio_text'])
                ->order(['id' => 'desc'])
                ->select()
                ->toArray();
            $couponCodes = [];
            foreach($data as $k => $v){
                if($v['expire_time'] < time()){
                    $couponCodes[] = $v['code'];
                    $data[$k]['voucher_status_text'] = '已过期';
                }
                $data[$k]['begin_use'] = date("Y-m-d H:i:s",$v['begin_use'] );
                $data[$k]['expire_time'] = date("Y-m-d H:i:s",$v['expire_time'] );
                $data[$k]['amount_require'] = '满'.$v['amount_require'].'可用';
            }
            if(!empty($couponCodes)){
                UserCoupon::whereIn('code',$couponCodes)->update(['voucher_status'=>2]);
            }
            return $data;
        } catch (\Exception $e){
            Db::rollback();
            self::setError($e->getMessage());
            return false;
        }
    }

    /**
     * 商品分类优惠卷领取
     * @param $params
     * @return array|false
    */
    public static function categoryCouponLists($params)
    {
        try{
            $coupon_ids = CouponCategory::where('goods_category_id',$params['goods_category_id'])->column('coupon_id');

            $data =  CouponRules::where('remaining_count','>',0)
                ->where('coupon_type',1)
                ->whereIn('id',$coupon_ids)
                ->where('voucher_status',1)
                ->append(['discount_ratio_text'])
                ->order(['id' => 'desc'])
                ->field(['code','amount','amount_require','discount_ratio','server_category_name',
                    'event_name','expire_time','max_deductible_price','mold_type',])
                ->select();
            foreach($data as $k => $v){
                $data[$k]['amount_require'] = '满'.$v['amount_require'].'可用';
            }
            $codes = $data->column('code');
            $userCouponCodes = [];
            if(!empty($code)){
                $userCouponCodes = UserCoupon::where('code',$codes)
                    ->where('user_id',$params['user_id'])->column('code');
            }
            $data = $data->whereNotIn('code',$userCouponCodes)->toArray();
            return $data;
        }catch(\Exception $e){
            self::setError($e->getMessage());
            return false;
        }
    }

    public static function categoryWithAmountLists($params)
    {
        try{
            $data = UserCoupon::with(['couponCategory'=>function ($query) use ($params) {
                $query->where('goods_category_id',$params['goods_category_id']);
            }])->where('user_id',$params['user_id'])
                ->where('voucher_count','>',0)
                ->where('voucher_status',0)
                ->append(['discount_ratio_text'])
                ->where('amount_require','<=',$params['amount'])
                ->visible(['id','amount','amount_require','begin_use','discount_ratio','event_name','expire_time','max_deductible_price','server_category_name','mold_type'])
                ->select()->toArray();
            foreach($data as $k => $v){
                $data[$k]['begin_use'] = date("Y-m-d H:i:s",$v['begin_use'] );
                $data[$k]['expire_time'] = date("Y-m-d H:i:s",$v['expire_time'] );
                $data[$k]['amount_require'] = '满'.$v['amount_require'].'可用';
            }
            return $data;
        } catch(\Exception $e){
            self::setError($e->getMessage());
            return false;
        }
    }
}