package caravan

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/lego/sys/log"
	"go_dreamfactory/pb"
	cfg "go_dreamfactory/sys/configure/structs"
)

//参数校验
func (this *apiComp) BuyOrSellCheck(session comm.IUserSession, req *pb.CaravanBuyOrSellReq) (errdata *pb.ErrorData) {
	if len(req.Items) == 0 || req.City == 0 {
		errdata = &pb.ErrorData{
			Code:  pb.ErrorCode_ReqParameterError,
			Title: pb.ErrorCode_ReqParameterError.ToString(),
		}
	}
	return
}

func (this *apiComp) BuyOrSell(session comm.IUserSession, req *pb.CaravanBuyOrSellReq) (errdata *pb.ErrorData) {
	var (
		update   map[string]interface{}
		addScore int32 // 收益
		cityInfo *pb.CityInfo
		ok       bool
	)
	update = make(map[string]interface{})
	if errdata = this.BuyOrSellCheck(session, req); errdata != nil {
		return // 参数校验失败直接返回
	}
	caravan, _ := this.module.modelCaravan.getCaravanList(session.GetUserId())

	if cityInfo, ok = caravan.City[req.City]; !ok {
		errdata = &pb.ErrorData{
			Code:  pb.ErrorCode_ConfigNoFound,
			Title: pb.ErrorCode_ConfigNoFound.ToString(),
		}
		return
	}
	c, err := this.module.configure.GetCaravanLv(caravan.Lv)
	if err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_ConfigNoFound,
			Title:   pb.ErrorCode_ConfigNoFound.ToString(),
			Message: err.Error(),
		}
		return
	}
	caravan.Baglimit = c.Bagtop
	// special 城市卖给玩家的商品
	// exspecial 城市想要玩家卖给他的商品库
	if !req.IsBuy { // 卖给npc

		var cb int32 // 成本价
		for k, v := range req.Items {
			// 校验背包数据够不够
			caravan.Items[k].Count -= v
			if caravan.Items[k].Count < 0 {
				errdata = &pb.ErrorData{
					Code:  pb.ErrorCode_TrollItemNoEnough, // 道具数量不足
					Title: pb.ErrorCode_TrollItemNoEnough.ToString(),
				}
				return
			}
			items := caravan.Items[k]
			var price int32
			cb = items.Price // 获取成本价
			price = items.Price
			bFound := false
			for _, v := range cityInfo.Special {
				if v == k {
					if cityConf, err := this.module.configure.GetCaravanCity(req.City); err == nil {
						price = cityConf.Specialnum * price / 1000
						bFound = true
					} else {
						errdata = &pb.ErrorData{
							Code:    pb.ErrorCode_TrollItemNoEnough, // 道具数量不足
							Title:   pb.ErrorCode_TrollItemNoEnough.ToString(),
							Message: err.Error(),
						}
						return
					}
					break
				}
			}
			if !bFound {
				price = cityInfo.ExspecialPCT * price / 1000
			}
			if price > cb { // 赚了
				addScore = (price - cb) * v // 卖出收益
				if err := this.module.ModuleUser.AddUserProfit(session.GetUserId(), int64(addScore)); err != nil {
					this.module.Error("玩家Profit更新",
						log.Field{Key: "uid", Value: session.GetUserId()},
						log.Field{Key: "update", Value: update},
					)
					return
				}
			}

			if errdata = this.module.DispenseRes(session, []*cfg.Gameatn{{
				A: "attr",
				T: "merchantmoney",
				N: price * v,
			}}, true); errdata != nil {
				this.module.Errorf("获得虚拟币失败:%v", errdata)
			}
			//addScore += price * v // 卖出收益
		}
		this.module.ArrayBag(caravan)
		// 统计 收益
		var lvReward []*cfg.Gameatn
		caravan.Profit += int64(addScore)
		update["profit"] = caravan.Profit
		curLv := this.module.CheckCaravavLvUp(caravan)
		if curLv > caravan.Lv {
			for i := caravan.Lv; i <= curLv-caravan.Lv; i++ {
				if c, err := this.module.configure.GetCaravanLv(int32(i)); err == nil {
					lvReward = append(lvReward, c.Reward...)
					update["lv"] = curLv
					update["baglimit"] = c.Bagtop
				} else {
					errdata = &pb.ErrorData{
						Code:    pb.ErrorCode_ConfigNoFound, // 道具数量不足
						Title:   pb.ErrorCode_ConfigNoFound.ToString(),
						Message: err.Error(),
					}
					return
				}
			}
			caravan.Lv = curLv
			// update user caravanlv
			if err = this.module.ModuleUser.SetUserCaravanLvChange(session, curLv); err != nil {
				this.module.Errorf("update caravanlv error: %v", err)
			}
		}
		if len(lvReward) > 0 { // 商队等级奖励
			if reward := this.module.DispenseRes(session, lvReward, true); reward != nil {
				this.module.Errorf("lv reward dispenseRes err:%v", lvReward)
				errdata = &pb.ErrorData{
					Code:  pb.ErrorCode_ConfigNoFound, // 道具数量不足
					Title: pb.ErrorCode_ConfigNoFound.ToString(),
				}
				return
			}
		}

		// 商队盈利收益奖励
		reward := this.configure.GetCaravanReward()
		for _, v := range reward {
			if v.Key > 0 {
				if caravan.Profit > int64(v.Key) {
					if _, ok := caravan.Reward[v.Key]; !ok {
						var res []*pb.UserAssets
						for _, v1 := range v.Reward {
							res = append(res, &pb.UserAssets{
								A: v1.A,
								T: v1.T,
								N: v1.N,
							})
						}
						this.module.ModuleMail.SendMailByCid(session, "CaravanProfitRewards", res)
						caravan.Reward[v.Key] = true
						update["reward"] = caravan.Reward
					}
				}
			}
		}
	} else { // 买入
		for k, v := range req.Items {
			if _, ok := caravan.Items[k]; !ok {
				caravan.Items[k] = &pb.BagInfo{
					Count: 0,
					Price: 0,
				}
			}
			bFound := false
			// 计算均价
			totla := caravan.Items[k].Count * caravan.Items[k].Price
			var price int32
			price = caravan.Goods[k].Price
			for _, v := range cityInfo.Special {
				if v == k {
					bFound = true
					break
				}
			}
			if !bFound {
				errdata = &pb.ErrorData{
					Code:  pb.ErrorCode_TrollCityUnSellItem, // 城市不卖这个物品
					Title: pb.ErrorCode_TrollCityUnSellItem.ToString(),
				}
				return
			}
			caravan.Items[k].Count += v

			totla += price * v
			caravan.Items[k].Price = totla / caravan.Items[k].Count
			// 同步更新该城市的 出售货物信息
			cityInfo.Count[k] += v

			if itemConf, err := this.configure.GetCaravanGoods(k); err == nil { // 更新商店库存
				if cityInfo.Count[k] > itemConf.Goodsnum {
					errdata = &pb.ErrorData{
						Code:  pb.ErrorCode_TrollBuyMax, // 商品数量不足
						Title: pb.ErrorCode_TrollBuyMax.ToString(),
					}
					return
				}
				update["city"] = caravan.City
				addScore -= price * v
			} else {
				errdata = &pb.ErrorData{
					Code:    pb.ErrorCode_ConfigNoFound, // 商品数量不足
					Title:   pb.ErrorCode_ConfigNoFound.ToString(),
					Message: err.Error(),
				}
				return
			}
		}
		if this.module.CheckOverweight(caravan) { // 背包满了
			errdata = &pb.ErrorData{
				Code:  pb.ErrorCode_TrollMaxItemCount,
				Title: pb.ErrorCode_TrollMaxItemCount.ToString(),
			}
			return
		}

		// 减少虚拟币
		// caravan.Merchantmoney -= addScore
		// update["merchantmoney"] = caravan.Merchantmoney
		if errdata = this.module.DispenseRes(session, []*cfg.Gameatn{{
			A: "attr",
			T: "merchantmoney",
			N: addScore,
		}}, true); errdata != nil {
			this.module.Errorf("获得虚拟币失败:%v", errdata)
		}
	}

	update["items"] = caravan.Items
	update["baglimit"] = caravan.Baglimit
	this.module.modelCaravan.modifyCaravanDataByObjId(session.GetUserId(), update)
	session.SendMsg(string(this.module.GetType()), "buyorsell", &pb.CaravanBuyOrSellResp{
		Data: caravan,
	})
	return
}