package order

import (
	"errors"
	"fmt"
	"git.oa00.com/go/mysql"
	"log"
	"recook/configs"
	"recook/internal/back"
	"recook/internal/dbc"
	"recook/internal/libs/snow"
	"recook/internal/model/goods"
	"recook/internal/model/order"
	"recook/internal/model/order_preview"
	"recook/internal/model/shopping_trolley"
	"recook/internal/model/user"
	"recook/internal/v2/lib/jcook"
	"recook/internal/v2/lib/shama"
	"recook/internal/v2/lib/supply"
	"recook/internal/v2/model/jyy"
	goods2 "recook/internal/v2/model/recook/goods"
	"recook/tools"
	"strconv"

	"github.com/gin-gonic/gin"
	"github.com/golangkit/formatime"
	"github.com/jinzhu/gorm"
	"github.com/shopspring/decimal"
)

/*创建普通订单的参数*/
type submitOrderParam struct {
	UserID         uint `json:"userId"`
	PreviewOrderID uint `json:"previewOrderId"`
}

//var submitOrderSentinel sync.Mutex

func SubmitOrder(c *gin.Context) {
	var p submitOrderParam
	err := tools.ParseParams(&p, c)
	if err != nil {
		back.Fail(c, err.Error())
		return
	}

	var previewOrderInfo order_preview.Information
	if err = dbc.DB.First(&previewOrderInfo, "id = ?", p.PreviewOrderID).Error; err != nil {
		back.Err(c, err.Error())
		return
	}
	orderInfo := (&order.Information{}).Reflect(&previewOrderInfo)
	if orderInfo.OrderType == 2 {
		orderInfo.ExpireTime = formatime.NewSecondFrom(orderInfo.ExpireTime.Time.AddDate(100, 0, 0))
	}

	var u user.Information
	dbc.DB.First(&u, "id = ?", orderInfo.UserID)
	if orderInfo.OrderType == 2 && (u.Level < 2 || (u.Level == 2 && !u.IsOffline)) {
		back.Err(c, "订单不合法")
		return
	}

	// 检测地址
	var previewOrderAddr order_preview.Addr
	{
		if !previewOrderInfo.IsVirtual {
			if err = dbc.DB.First(&previewOrderAddr, "order_id = ?", p.PreviewOrderID).Error; err != nil {
				back.Err(c, err.Error())
				return
			}
			if previewOrderAddr.AddressID == 0 {
				back.Err(c, "请选择收货地址")
				return
			}
		}

	}

	var preOrderGoodsList []order_preview.GoodsDetail
	if err = dbc.DB.Find(&preOrderGoodsList, "order_id = ?", p.PreviewOrderID).Error; err != nil {
		back.Err(c, err.Error())
		return
	}

	// 商品信息是否变化了
	// 活动是否失效了
	// 有没有库存
	preGoodSkuMap := map[uint]*goods.Sku{}
	for _, v := range preOrderGoodsList {
		var goodsInfo goods.Information
		{
			if err = dbc.DB.First(&goodsInfo, "id = ?", v.GoodsID).Error; err != nil {
				back.Err(c, err.Error())
				return
			}
			if !configs.IsProductionEnv() {
				if goodsInfo.ThirdPartyType != 0 && goodsInfo.ThirdPartyType != goods2.RecookGoodsInfoThirdPartyTypeSupply {
					back.Fail(c, "测试环境无法购买")
					return
				}
			}

			if goodsInfo.Hash != v.Hash {
				back.Fail(c, "商品信息已经发生变化，请重新下单")
				return
			}

			cc := goodsInfo.PublishStatus == 0
			if orderInfo.OrderType == 2 {
				cc = goodsInfo.SalePublish == 0
			}
			if cc {
				back.Fail(c, "商品已下架："+goodsInfo.GoodsName)
				return
			}
		}

		var sku goods.Sku
		{
			if !goodsInfo.IsVipGoods() {
				if err = dbc.DB.Select("id, inventory, sale_inventory").First(&sku, "id = ?", v.SkuID).Error; err != nil {
					back.Err(c, err.Error())
					return
				}

				// 仅考虑商品库存
				condition := orderInfo.OrderType != 2 //  批发不需要验证库存
				//if orderInfo.OrderType == 2 {
				//	condition = v.Quantity > sku.SaleInventory
				//}
				if condition {
					if v.Quantity > sku.Inventory {
						back.Fail(c, v.GoodsName+"已被抢光啦")
						return
					}
				}
				preGoodSkuMap[v.ID] = &sku
			}
			if goodsInfo.IsVipGoods() && u.IsVip() {
				back.Fail(c, "无须购买会员卡")
				return
			}
		}
	}
	var previewOrderShoppingTrolleyInfos []order_preview.ShoppingTrolleyInfo
	if orderInfo.OrderType == 1 && previewOrderInfo.Channel == 1 {
		err = dbc.DB.Find(&previewOrderShoppingTrolleyInfos, "order_id = ?", p.PreviewOrderID).Error
		if err != nil && !gorm.IsRecordNotFoundError(err) {
			back.Err(c, err.Error())
			return
		}
	}

	data := make(map[uint][]order_preview.GoodsDetail)
	fData := make(map[uint]decimal.Decimal)
	virtualID := GetVirtualID()
	tx := dbc.DB.Begin()
	{
		for _, value := range preOrderGoodsList {
			data[value.VendorID] = append(data[value.VendorID], value)
			fData[value.VendorID] = fData[value.VendorID].Add(value.ExpressFee)
		}
		work := snow.GetOrderWorker()
		orderID, err := work.NextID()
		if err != nil {
			back.Err(c, err.Error())
			return
		}

		condition := len(data) == 1
		orderInfo.ID = uint(orderID)
		for vendor, value := range data {
			id1, err := work.NextID()
			if err != nil {
				back.Err(c, err.Error())
				return
			}
			orderCopy := order.Information{
				ID:                        uint(id1),
				AncestorID:                orderInfo.AncestorID,
				ParentID:                  orderInfo.ParentID,
				SharerID:                  orderInfo.SharerID,
				LiveId:                    orderInfo.LiveId,
				UserID:                    orderInfo.UserID,
				Title:                     value[0].GoodsName,
				BrandCouponTotalAmount:    decimal.Decimal{},
				UniverseCouponTotalAmount: decimal.Decimal{},
				CoinTotalAmount:           decimal.Decimal{},
				ExpressTotalFee:           decimal.Decimal{},
				GoodsTotalAmount:          decimal.Decimal{},
				GoodsTotalCommission:      decimal.Decimal{},
				ActualTotalAmount:         decimal.Decimal{},
				Channel:                   orderInfo.Channel,
				ShippingMethod:            orderInfo.ShippingMethod,
				StoreID:                   orderInfo.StoreID,
				BuyerMessage:              orderInfo.BuyerMessage,
				Status:                    orderInfo.Status,
				ExpressStatus:             orderInfo.ExpressStatus,
				InvoiceStatus:             orderInfo.InvoiceStatus,
				EvaluatedAt:               orderInfo.EvaluatedAt,
				CreatedAt:                 orderInfo.CreatedAt,
				ExpireTime:                orderInfo.ExpireTime,
				PayIP:                     orderInfo.PayIP,
				TradeNo:                   orderInfo.TradeNo,
				PayTime:                   orderInfo.PayTime,
				PayMethod:                 orderInfo.PayMethod,
				CompletedAt:               orderInfo.CompletedAt,
				IsFirst:                   orderInfo.IsFirst,
				VirtualID:                 virtualID,
				Cost:                      orderInfo.Cost,
				OrderType:                 orderInfo.OrderType,
				IsSplit:                   orderInfo.IsSplit,
			}
			kind := 0
			switch vendor {
			case 1800, 2000:
				channelOrderID := strconv.Itoa(int(orderCopy.ID))
				resp, err := JdOrderSubmit(tx, c.ClientIP(), data, vendor, previewOrderAddr, fData, channelOrderID)
				if err != nil {
					log.Println("订单生成失败:", err.Error())
					back.Err(c, err.Error())
					tx.Rollback()
					return
				}
				if vendor == 1800 {
					kind = 1
				} else {
					kind = 2
				}
				orderCopy.Kind = kind
				fmt.Println("订单号为", resp.OrderID)
				orderCopy.JCookOrderID = resp.OrderID
			case 3000:
				channelOrderID := strconv.Itoa(int(orderCopy.ID))
				resp, err := ShaMaOrderSubmit(tx, c.ClientIP(), data, vendor, previewOrderAddr, fData, channelOrderID)
				if err != nil {
					log.Println("订单生成失败:", err.Error())
					back.Err(c, err.Error())
					tx.Rollback()
					return
				}
				orderCopy.Kind = 3
				orderCopy.ShaMaOrderID = resp.OrderID
			case 4000:
				channelOrderID := strconv.Itoa(int(orderCopy.ID))
				thirdPartyOrderSn, err := SupplyOrderSubmit(tx, c.ClientIP(), data, vendor, previewOrderAddr, fData, channelOrderID)
				if err != nil {
					log.Println("订单生成失败:", err.Error())
					back.Err(c, err.Error())
					tx.Rollback()
					return
				}
				orderCopy.Kind = 4
				orderCopy.ThirdPartyType = goods2.RecookGoodsInfoThirdPartyTypeSupply
				orderCopy.ThirdPartyOrderSn = thirdPartyOrderSn
			}
			if condition {
				orderInfo.ID = orderCopy.ID
				orderCopy.VirtualID = orderCopy.ID
			}
			for _, v := range value {
				orderCopy.BrandCouponTotalAmount = orderCopy.BrandCouponTotalAmount.Add(v.BrandCouponAmount)
				orderCopy.UniverseCouponTotalAmount = orderCopy.UniverseCouponTotalAmount.Add(v.UniverseCouponAmount)
				orderCopy.CoinTotalAmount = orderCopy.CoinTotalAmount.Add(v.CoinAmount)
				orderCopy.ExpressTotalFee = orderCopy.ExpressTotalFee.Add(v.ExpressFee)
				orderCopy.GoodsTotalAmount = orderCopy.GoodsTotalAmount.Add(v.GoodsAmount)
				orderCopy.GoodsTotalCommission = orderCopy.GoodsTotalCommission.Add(v.TotalCommission)
				orderCopy.ActualTotalAmount = orderCopy.ActualTotalAmount.Add(v.ActualAmount)
			}

			if err = tx.Create(&orderCopy).Error; err != nil {
				back.Err(c, err.Error())
				tx.Rollback()
				return
			}

			orderAddr := (&order.Addr{}).Reflect(&previewOrderAddr, &orderCopy)
			if err = tx.Create(orderAddr).Error; err != nil {
				back.Err(c, err.Error())
				tx.Rollback()
				return
			}

			for _, v := range value {
				goodsDetail := (&order.GoodsDetail{}).Reflect(&v, &orderCopy)
				if err = tx.Create(goodsDetail).Error; err != nil {
					back.Err(c, err.Error())
					tx.Rollback()
					return
				}
				sku := preGoodSkuMap[v.ID]
				if orderCopy.OrderType == 1 && !orderCopy.IsSplit && sku.ID != 0 {
					// 仅考虑商品库存的情况
					if err = tx.Model(sku).UpdateColumn("inventory", gorm.Expr("inventory - ?", v.Quantity)).Error; err != nil {
						back.Err(c, err.Error())
						tx.Rollback()
						return
					}
				}
				if orderInfo.OrderType == 1 && !orderCopy.IsSplit {
					if err = tx.Model(sku).UpdateColumn("sales_volume", gorm.Expr("sales_volume + ?", v.Quantity)).Error; err != nil {
						back.Err(c, err.Error())
						tx.Rollback()
						return
					}
				}

				if orderInfo.OrderType == 2 {
					if err = tx.Model(sku).UpdateColumn("sale_volume", gorm.Expr("sale_volume + ?", v.Quantity)).Error; err != nil {
						back.Err(c, err.Error())
						tx.Rollback()
						return
					}
				}
			}
		}

		// 如果是购物车下单 则要清除一下购物车
		for _, v := range previewOrderShoppingTrolleyInfos {
			err = tx.Delete(shopping_trolley.Information{ID: v.TrolleyID}).Error
			if err != nil {
				back.Err(c, err.Error())
				tx.Rollback()
				return
			}
		}
		if orderInfo.OrderType == 2 && orderInfo.Channel == 1 {
			ids := make([]uint, 0)
			for _, v := range preGoodSkuMap {
				ids = append(ids, v.ID)
				tx.Delete(&jyy.ShopCartEntry{}, "sku_id in (?) and user_id = ?", ids, p.UserID)
			}
		}
	}
	tx.Commit()

	if len(data) > 1 {
		orderInfo.ID = virtualID
	}
	back.Suc(c, "提交成功,请20分钟内完成付款", orderInfo)
}

func JdOrderSubmit(tx *gorm.DB, ip string, data map[uint][]order_preview.GoodsDetail, vendor uint, previewOrderAddr order_preview.Addr, fData map[uint]decimal.Decimal, channelOrderID string) (jcook.OrderSubmitResp, error) {
	client := jcook.GetClient()
	t := make([]jcook.LogisticsInfo, 0)
	orderFee := decimal.Zero
	for _, j := range data[vendor] {
		var sku goods.Sku
		if err := tx.First(&sku, "id = ?", j.SkuID).Error; err != nil {
			return jcook.OrderSubmitResp{}, err
		}
		cid, _ := strconv.Atoi(sku.ThirdPartySkuId)
		t = append(t, jcook.LogisticsInfo{
			SkuID:    uint(cid),
			Quantity: j.Quantity,
			SkuPrice: sku.PurchasePrice,
		})
		amount := sku.PurchasePrice.Mul(decimal.NewFromInt(int64(j.Quantity)))
		orderFee = orderFee.Add(amount)
	}
	addr := previewOrderAddr.Province + previewOrderAddr.City + previewOrderAddr.District + previewOrderAddr.Address
	req1 := jcook.OrderSubmitReq{
		Address:  addr,
		SkuList:  t,
		OrderFee: orderFee,
		Receiver: jcook.OrderReceiver{
			Name:   previewOrderAddr.ReceiverName,
			Mobile: previewOrderAddr.Mobile,
		},
		FreightFee:     fData[vendor],
		UserIp:         ip,
		ChannelOrderID: channelOrderID,
	}
	var resp jcook.OrderSubmitResp
	if err := client.Exec(req1, &resp); err != nil {
		if err.Error() == "商品价格不匹配" {
			go func() {
				rq := jcook.SkuPriceReq{}
				for _, info := range t {
					rq.SkuIDSet = append(rq.SkuIDSet, info.SkuID)
				}
				var res []jcook.SkuPriceResp
				if err := client.Exec(rq, &res); err != nil {
					return
				}
				if len(res) == 0 {
					return
				}
				for _, t := range res {
					var sku goods2.RecookGoodsSkuModel
					if err := mysql.Db.Table(sku.TableName()).Where("third_party_sku_id = ? and third_party_type=3", strconv.FormatUint(uint64(t.SkuID), 10)).Updates(map[string]interface{}{
						"purchase_price": t.SupplyPrice,
					}).Error; err != nil {
						log.Println(err.Error())
						return
					}
				}
			}()
			return jcook.OrderSubmitResp{}, errors.New("价格变动，请重新下单")
		}
		return jcook.OrderSubmitResp{}, err
	}
	return resp, nil
}

func ShaMaOrderSubmit(tx *gorm.DB, ip string, data map[uint][]order_preview.GoodsDetail, vendor uint, previewOrderAddr order_preview.Addr, fData map[uint]decimal.Decimal, channelOrderID string) (shama.OrderSubmitResp, error) {
	client := shama.GetClient()
	t := make([]shama.LogisticsInfo, 0)
	orderFee := decimal.Zero
	for _, j := range data[vendor] {
		var sku goods.Sku
		if err := tx.First(&sku, "id = ?", j.SkuID).Error; err != nil {
			return shama.OrderSubmitResp{}, err
		}
		cid, _ := strconv.Atoi(sku.ThirdPartySkuId)
		t = append(t, shama.LogisticsInfo{
			SkuID:    uint(cid),
			Quantity: j.Quantity,
			SkuPrice: sku.PurchasePrice,
		})
		amount := sku.PurchasePrice.Mul(decimal.NewFromInt(int64(j.Quantity)))
		orderFee = orderFee.Add(amount)
	}
	addr := previewOrderAddr.Province + previewOrderAddr.City + previewOrderAddr.District + previewOrderAddr.Address
	req1 := shama.OrderSubmitReq{
		Address:  addr,
		SkuList:  t,
		OrderFee: orderFee,
		Receiver: shama.OrderReceiver{
			Name:   previewOrderAddr.ReceiverName,
			Mobile: previewOrderAddr.Mobile,
		},
		FreightFee:     fData[vendor],
		UserIp:         ip,
		ChannelOrderID: channelOrderID,
	}
	var resp shama.OrderSubmitResp
	if err := client.Exec(req1, &resp); err != nil {
		return shama.OrderSubmitResp{}, err
	}
	return resp, nil
}

func SupplyOrderSubmit(tx *gorm.DB, ip string, data map[uint][]order_preview.GoodsDetail, vendor uint, previewOrderAddr order_preview.Addr, fData map[uint]decimal.Decimal, channelOrderID string) (supplyOrderSn string, err error) {
	orderFee := decimal.Zero
	var freightFeeItems []supply.OrderFreightFeeItem
	for _, j := range data[vendor] {
		var sku goods.Sku
		if err := tx.First(&sku, "id = ?", j.SkuID).Error; err != nil {
			return supplyOrderSn, errors.New("商品错误")
		}
		supplySkuId, _ := strconv.Atoi(sku.ThirdPartySkuId)

		freightFeeItems = append(freightFeeItems, supply.OrderFreightFeeItem{
			SkuId:    uint(supplySkuId),
			Quantity: j.Quantity,
			Price:    sku.PurchasePrice,
		})

		orderFee = orderFee.Add(sku.PurchasePrice.Mul(decimal.NewFromInt(int64(j.Quantity))))
	}
	addr := previewOrderAddr.Province + previewOrderAddr.City + previewOrderAddr.District + previewOrderAddr.Address
	freightFees, err := supply.Api.Order.FreightFee(addr, freightFeeItems)
	if err != nil {
		return
	}

	var orderFreightFees []supply.OrderFreightFee
	totalFreightFee := decimal.Zero
	for _, freightFee := range freightFees {
		orderFreightFees = append(orderFreightFees, supply.OrderFreightFee{
			SkuIds:     freightFee.SkuIds,
			FreightFee: decimal.NewFromFloat(freightFee.FreightFee),
		})
		totalFreightFee = totalFreightFee.Add(decimal.NewFromFloat(freightFee.FreightFee))
	}
	if fData[vendor].Cmp(totalFreightFee) != 0 {
		return supplyOrderSn, errors.New("运费错误")
	}

	submit, err := supply.Api.Order.Submit(supply.OrderSubmit{
		ChannelOrderSn: channelOrderID,
		Address:        addr,
		Skus:           freightFeeItems,
		Receiver: supply.Receiver{
			Name:    previewOrderAddr.ReceiverName,
			Mobile:  previewOrderAddr.Mobile,
			Email:   "shangmenghaishi@163.com",
			ZipCode: "315000",
		},
		OrderFee:    orderFee,
		FreightFees: orderFreightFees,
		UserIp:      ip,
	})
	if err != nil {
		return supplyOrderSn, err
	}
	return submit.OrderSn, nil
}

func GetVirtualID() uint {
	id, _ := snow.GetOrderWorker().NextID()
	return uint(id)
}