package service

import (
	"app.yhyue.com/moapp/jyMarketing/entity"
	"app.yhyue.com/moapp/jyMarketing/rpc/activity"
	"fmt"
	_ "github.com/garyburd/redigo/redis"
	"log"
	"time"
)

type ActivityService struct{}

//奖券获取
func (service *ActivityService) LotteryReceive(data *activity.LotteryOperation) (int64, string) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	err := orm.Begin()
	bool := true
	if len(data.LotteryIdArr) == 0 {
		return entity.ErrorCode, "没有卷可以领取"
	}
	for _, lotteryId := range data.LotteryIdArr {
		log.Println(fmt.Sprint(lotteryId) + "Id奖券领取")
		//每种劵处理
		//1、先查询奖券信息
		prizeData := entity.PrizeJson{}
		bool, err = orm.Table("lottery").
			Alias("l").Select("l.name,l.full,l.reduce,	l.prizeId,p.beginDate,p.endDate,p.isLimitNumber,p.limitNumber,p.validityDates,p.validityTimeType").
			Join("left", "prize p", "l.prizeId=p.id").
			Where("l.id=?", lotteryId).Get(&prizeData)
		if err != nil {
			log.Panicln("查询奖品信息：", err)
			orm.Rollback()
			return entity.ErrorCode, "奖品信息查询失败"
		}
		if !bool {
			log.Panicln("查询奖品信息：", err)
			orm.Rollback()
			return entity.ErrorCode, "奖品信息查询失败"
		}
		//2、先判断奖券是否可以重复领取,在判断之前是否领取过
		if prizeData.IsLimitNumber == 1 {
			//查询之前是否领取过
			userLotteryList := []entity.UserPrize{}
			err = orm.Table("user_prize").
				Where("userId=? and  appId=? and  lotteryId=?", data.UserId, data.AppId, lotteryId).Find(&userLotteryList)
			if err != nil {
				log.Panicln("查询奖品信息：", err)
				orm.Rollback()
				return entity.ErrorCode, "查询领取次数失败"
			}
			if len(userLotteryList) >= prizeData.LimitNumber {
				orm.Rollback()
				return entity.ErrorCode, "你领取奖券数量已达上限"
			}
		}
		//3、在判断奖券是否够用
		//4、领取奖券
		userLettry := entity.UserPrize{}
		userLettry.AppId = data.AppId
		userLettry.UserId = data.UserId
		userLettry.PrizeType = 0
		userLettry.CreateTime = time.Now()
		userLettry.LotteryId = lotteryId
		userLettry.PrizeId = prizeData.PrizeId
		userLettry.ValidityDates = prizeData.ValidityDates
		userLettry.Name = prizeData.Name
		userLettry.Full = int64(prizeData.Full)
		userLettry.Reduce = int64(prizeData.Reduce)
		//0、有起止时间1、当天起几天可用2、次日起几天可用
		switch prizeData.ValidityTimeType {
		case 0:
			userLettry.EndDate = prizeData.EndDate
			userLettry.BeginDate = prizeData.BeginDate
		case 1:
			nowStr := time.Now().Format("2006-01-02")
			userLettry.BeginDate = nowStr
			userLettry.EndDate = service.ObtainAppointTimeString(nowStr, prizeData.ValidityDates)
		case 2:
			nowStr := time.Now().Format("2006-01-02")
			nextDayStr := service.ObtainAppointTimeString(nowStr, 1)
			userLettry.BeginDate = nextDayStr
			userLettry.EndDate = service.ObtainAppointTimeString(nextDayStr, prizeData.ValidityDates)
		}
		numb, err := orm.Table("user_prize").Insert(&userLettry)
		if err != nil || numb == int64(0) {
			log.Panicln("领取奖券失败：", err)
			orm.Rollback()
			return entity.ErrorCode, "领取奖券失败"
		}

		//5、修改奖券余额数量
		lottery := entity.Lottery{}
		lottery.Id = lotteryId
		_, err = orm.Exec("UPDATE lottery SET `stockNumber` = stockNumber-1, `receiveNumber` = receiveNumber+1 WHERE `id` = ?", lotteryId)
		if err != nil {
			log.Panicln("修改奖券库存失败：", err)
			orm.Rollback()
			return entity.ErrorCode, "修改奖券库存失败"
		}

	}
	orm.Commit()
	return entity.SuccessCode, "奖券领取成功"
}

//奖券使用
func (service *ActivityService) ActivityUse(data *activity.LotteryOperation) (int64, string) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	err := orm.Begin()
	nowStr := time.Now().Format("2006-01-02")
	for _, lotteryId := range data.LotteryIdArr {
		//1、先查看是否有这张奖券
		userLotteryList := []*entity.UserPrize{}
		err = orm.Table("user_prize").
			Where("userId=? and  appId=? and  endDate>=? and  prizeType=0  and  lotteryId=? ", data.UserId, data.AppId, nowStr, lotteryId).
			Asc("createTime").Find(&userLotteryList)
		if err != nil {
			log.Println("查询奖券库存失败：", err)
			orm.Rollback()
			return entity.ErrorCode, "查询奖券库存失败"
		}
		if (len(userLotteryList) == 0) {
			log.Println(data.UserId, "用户没有ID为", lotteryId, "的奖券")
			orm.Rollback()
			return entity.ErrorCode, "该用户没有此此奖券"
		}
		//2、奖券状态改为已使用
		userLotteryList[0].UseDate = time.Now()
		userLotteryList[0].PrizeType = 1
		numb, err := orm.Table("user_prize").ID(userLotteryList[0].Id).Cols("prizeType", "useDate").Update(userLotteryList[0])
		if err != nil || numb == 0 {
			log.Println("修改用户奖券失败：", err)
			orm.Rollback()
			return entity.ErrorCode, "修改用户奖券失败"
		}
		//3、修改卷的使用量
		lottery := entity.Lottery{}
		lottery.Id = lotteryId
		_, err = orm.Exec("UPDATE lottery SET `useNumber` = useNumber+1 WHERE `id` = ?", lotteryId)
		if err != nil || numb==0  {
			log.Println("修改奖券使用数量失败：", err)
			orm.Rollback()
			return entity.ErrorCode, "修改奖券使用数量失败"
		}

	}

	orm.Commit()
	return entity.SuccessCode, "使用奖券成功"
}

//活动下的奖券
func (service *ActivityService) ActivityLottery(in *activity.Request) (int64, string,[]entity.LotteryJson) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	err := orm.Begin()
	//1、先查找活动下的奖品Id
	lotteryJsonList := []entity.LotteryJson{}
	err = orm.Table("activity").Alias("a").
		Select(" p.limitNumber,UseProductList,( select  count(up.id) FROM user_prize up where  up.lotteryId = l.id AND up.userId ='"+in.UserId+"' ) AS count,p.isLimitNumber,p.validityTimeType,p.validityDates,p.instructions,p.remark,l.id as lotteryId ,l.name ").
		Join("left", "prize p", " a.prizeId = p.Id").
		Join("left", "lottery l", " l.prizeId = p.id ").
			Where("a.id = ?  and a.appId=? ",in.ActivityId,in.AppId).Find(&lotteryJsonList)
	if err != nil {
		log.Println("用户单位下的奖券查询失败：", err)
		orm.Rollback()
		return entity.ErrorCode, "用户单位下的奖券查询失败", lotteryJsonList
	}
	orm.Commit()
	return entity.SuccessCode, "活动下的奖券", lotteryJsonList

}

//用户下的奖券
func (service *ActivityService) UserLottery(data *activity.Request, model int) (int64, string, []entity.UserPrizeJson, int64) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	err := orm.Begin()
	userLettryList := []entity.UserPrizeJson{}
	nowStr := time.Now().Format("2006-01-02")
	count := int64(0)
	if model == 1 {
		err = orm.Table("user_prize").Alias("up").Select("up.*,a.useProductList").
			Join("left", "activity a ", "a.prizeId=up.prizeId").Where("up.userId=? and  up.appId=? and  up.endDate>=?", data.UserId, data.AppId, nowStr).And("up.prizeType=0").Desc("up.createTime").Find(&userLettryList)
	} else {
		/*	count,err = orm.Table("user_prize").Alias("up").Select("up.*,a.useProductList").
			Join("left", "activity a ", "a.prizeId=up.prizeId").Where("up.userId=? and  up.appId=? and  up.endDate>=?", data.UserId, data.AppId, nowStr).Limit(int(data.PageSize), (int(data.Page - 1))*int(data.PageSize)).FindAndCount(&userLettryList)
		*/
	}
	if err != nil {
		log.Println("用户单位下的奖券查询失败：", err)
		orm.Rollback()
		return entity.ErrorCode, "用户单位下的奖券查询失败", userLettryList, count
	}
	orm.Commit()
	return entity.SuccessCode, "", userLettryList, count
}

//计算几天之后的时间
func (service *ActivityService) ObtainAppointTimeString(now string, beApartDay int) string {
	local, _ := time.LoadLocation("Local")
	t, _ := time.ParseInLocation("2006-01-02", now, local)
	stopTime := t.AddDate(0, 0, beApartDay)
	stopTimeStr := stopTime.Format("2006-01-02")
	return stopTimeStr
}
//查询过期的奖券改为已过期
func (service *ActivityService) UpdateLottery( endDate string) (int64, string) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	err := orm.Begin()
	//1、先查找过期的奖券
	userPrizeList := []entity.UserPrize{}
	err = orm.Table("user_prize").
		Where("endDate<? and prizeType=0 ",endDate).Find(&userPrizeList)
	if err != nil {
		log.Println("查询过期奖券失败：", err)
		orm.Rollback()
		return entity.ErrorCode, "查询过期奖券失败"
	}

	for _, value := range userPrizeList {
		value.PrizeType=2
		numb, err := orm.Table("user_prize").ID(value.Id).Cols("prizeType").Update(value)
		if err != nil || numb==0  {
			log.Println("修改奖券使用数量失败：", err)
			orm.Rollback()
			return entity.ErrorCode, "修改奖券使用数量失败"
		}
	}
	orm.Commit()
	return entity.SuccessCode, "过期奖券处理成功"
}