package handler

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/liangdas/mqant/log"
	"gorm.io/gorm"
	"math/rand"
	"server/call"
	"server/common"
	"server/db"
	"server/modules/web/app"
	"server/modules/web/values"
	"server/util"
	"time"
)

func WeekCardInfo(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	a.GetUID()
	resp := &values.WeekCardInfoResp{}
	a.Data = resp
	uid := a.UID
	cons := call.GetConfigWeekCard()
	if cons == nil {
		a.Code = values.CodeRetry
		return
	}
	weekCardData, err := call.GetWeekCardData(uid)
	if err != nil {
		log.Error("get week card data err, %s", err.Error())
		a.Code = values.CodeRetry
		return
	}
	resp.Amount = cons.Amount
	resp.List = make([]values.WeekCardDay, 0, len(cons.AwardDetails))
	now := time.Now()
	for index := 1; index <= 7; index++ {
		var state int
		if weekCardData != nil && weekCardData.ID != 0 && weekCardData.BeginAt != 0 { // 已经购买周卡的情况下
			resp.IsUnlock = true
			if util.IsSameDayTimeStamp(now.Unix(), weekCardData.AwardAt) {
				resp.Time = int64(util.GetZeroTime(now.AddDate(0, 0, 1)).Sub(now).Seconds())
			}
			if weekCardData.AwardTimes >= index {
				state = 2
			} else if weekCardData.AwardTimes < index {
				state = 0
				if !util.IsSameDayTimeStamp(now.Unix(), weekCardData.AwardAt) &&
					weekCardData.AwardTimes+1 == index {
					state = 1
				}
			}
		}
		award := cons.AwardDetails[index]
		var coinDesc string
		if award.AwardLower == award.AwardUpper || award.AwardUpper == 0 {
			coinDesc = fmt.Sprintf("₹%d", award.AwardLower)
		} else {
			coinDesc = fmt.Sprintf("₹%d-₹%d", award.AwardLower, award.AwardUpper)
		}
		resp.List = append(resp.List, values.WeekCardDay{
			State: state,
			Coin:  coinDesc,
		})
	}

	products := call.GetConfigPayProductByActivityID(common.ActivityIDWeekCard)
	for _, v := range products {
		if v.Amount == resp.Amount*common.DecimalDigits {
			resp.ProductId = v.ProductID
			break
		}
	}
}

func WeekCardDraw(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	req := new(values.WeekCardDrawReq)
	if !a.S(req) {
		return
	}
	resp := &values.WeekCardDrawResp{}
	a.Data = resp
	uid := a.UID

	if !db.Redis().Lock(common.GetRedisKeyWeekCard(uid)) {
		a.Code = values.CodeRetry
		return
	}
	defer func() {
		db.Redis().UnLock(common.GetRedisKeyWeekCard(uid))
	}()

	configWeekCard := call.GetConfigWeekCard()
	if configWeekCard == nil {
		log.Error("get week card config is nil")
		a.Code = values.CodeRetry
		a.Msg = "Illegal request"
		return
	}

	weekCardData, err := call.GetWeekCardData(uid)
	if err != nil {
		log.Error("get week card data err, %s", err.Error())
		a.Code = values.CodeRetry
		return
	}
	now := time.Now()
	if weekCardData.ID == 0 || weekCardData.BeginAt == 0 {
		a.Code = values.CodeRetry
		a.Msg = "Not unlocked Week Card"
		return
	}

	if util.IsSameDayTimeStamp(now.Unix(), weekCardData.AwardAt) {
		a.Code = values.CodeRetry
		a.Msg = "Already received today"
		return
	}
	if req.Index != weekCardData.AwardTimes+1 {
		a.Code = values.CodeRetry
		a.Msg = "Illegal request"
		return
	}
	var awardCount int64
	maxAwardCount := weekCardData.CardPrice * 2 * common.DecimalDigits // 总奖励金额
	lessAwardCount := maxAwardCount - weekCardData.AwardTotal          // 剩余奖励金额
	if req.Index == 7 {                                                // 最后一天
		awardCount = int64(maxAwardCount - weekCardData.AwardTotal)
	} else {
		tryCount := 10
		awardOffset := 0
		lessMinAwardCount := 0 // 剩下每天的最低金额
		lessMaxAwardCount := 0 // 剩下每天的最大金额
		for index := req.Index + 1; index <= 7; index++ {
			lessMinAwardCount += configWeekCard.AwardDetails[index].AwardLower * common.DecimalDigits
			lessMaxAwardCount += configWeekCard.AwardDetails[index].AwardUpper * common.DecimalDigits
		}
	try:
		awardDetail := configWeekCard.AwardDetails[req.Index]
		if awardDetail.AwardUpper == awardDetail.AwardLower || awardDetail.AwardUpper == 0 {
			awardCount = int64(awardDetail.AwardUpper * common.DecimalDigits)
		} else {
			randValue := (awardDetail.AwardUpper - awardDetail.AwardLower) + awardOffset
			if randValue < 0 {
				randValue = 1
			}
			awardCount = int64((rand.Intn(randValue) + awardDetail.AwardLower) * common.DecimalDigits)
		}
		if lessMinAwardCount+int(awardCount) > lessAwardCount ||
			lessMaxAwardCount+int(awardCount) < lessAwardCount { // 当前金额+之后每天最低金额比剩余金额还大的时候
			if tryCount > 0 {
				tryCount--
				if lessMinAwardCount+int(awardCount) > lessAwardCount {
					awardOffset -= 10 * common.DecimalDigits
				} else if lessMaxAwardCount+int(awardCount) < lessAwardCount {
					awardOffset += 10 * common.DecimalDigits
				}
				goto try
			}
			log.Error("uid:%d weekCard draw err, lessAward:%d lessMinAward:%d lessMaxAward:%d | awardCount:%d awardOffset:%d", uid, lessAwardCount, lessMinAwardCount, lessMaxAwardCount, awardCount, awardOffset)
			a.Code = values.CodeRetry
			return
		}
	}

	if int(awardCount)+weekCardData.AwardTotal > maxAwardCount {
		awardCount = int64(maxAwardCount - weekCardData.AwardTotal)
	}

	if awardCount <= 0 {
		a.Code = values.CodeRetry
		return
	}

	_, err = call.UpdateCurrencyPro(&common.UpdateCurrency{
		CurrencyBalance: &common.CurrencyBalance{
			UID:       a.UID,
			Type:      common.CurrencyINR,
			Value:     awardCount,
			Event:     common.CurrencyEventActivityWeekCard,
			ChannelID: a.Channel,
			NeedBet:   call.GetConfigCurrencyResourceNeedBet(common.CurrencyResourceBonus, awardCount, configWeekCard.BetMultiples),
		},
	})
	if err != nil {
		log.Error("update currency err, %s", err.Error())
		return
	}
	updates := make(map[string]interface{})
	if req.Index == 7 {
		updates["begin_at"] = 0
		updates["award_times"] = 0
		updates["award_at"] = 0
		updates["award_total"] = 0
		updates["card_price"] = 0
		updates["award_total_history"] = gorm.Expr("`award_total_history` + ?", awardCount)
	} else {
		updates["award_total"] = gorm.Expr("award_total + ?", awardCount)
		updates["award_times"] = gorm.Expr("`award_times` + ?", 1)
		updates["award_at"] = now.Unix()
		updates["award_total_history"] = gorm.Expr("`award_total_history` + ?", awardCount)
	}
	err = db.Mysql().C().Model(&common.WeekCardData{}).Where("id = ?", weekCardData.ID).Updates(updates).Error
	if err != nil {
		log.Error("update week card data err, %s", err.Error())
	}
	resp.Reward = awardCount
	return
}