package repositories

import (
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"fusenapi/constants"
	"fusenapi/model/gmodel"
	"fusenapi/utils/basic"
	"fusenapi/utils/fssql"
	"fusenapi/utils/handlers"
	"fusenapi/utils/order"
	"fusenapi/utils/pay"
	"time"

	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/zeromicro/go-zero/core/logx"
	"gorm.io/gorm"
)

func NewOrder(gormDB *gorm.DB, bLMServiceUrl *string, awsSession *session.Session) Order {
	return &defaultOrder{
		MysqlConn: gormDB,
	}
}

type (
	defaultOrder struct {
		MysqlConn *gorm.DB
	}
	Order interface {
		// 下单
		Create(ctx context.Context, in *CreateReq) (res *CreateRes, err error)
		// 预支付--定金
		CreatePrePaymentByDeposit(ctx context.Context, in *CreatePrePaymentByDepositReq) (res *CreatePrePaymentByDepositRes, err error)
		// 预支付--定金
		CreatePrePaymentByBalance(ctx context.Context, in *CreatePrePaymentByBalanceReq) (res *CreatePrePaymentByBalanceRes, err error)
		// 列表
		List(ctx context.Context, in *ListReq) (res *ListRes, err error)
		// 详情
		Detail(ctx context.Context, in *DetailReq) (res *DetailRes, err error)
	}

	OrderAddress struct {
		Address string `json:"address"` // 详细地址
		Mobile  string `json:"mobile"`  // 手机
		Name    string `json:"name"`    // 姓名
	}
	OrderPay struct {
		ClientSecret string                 `json:"client_secret"` // 支付方--秘钥
		Country      string                 `json:"country"`       // 国家
		Currency     string                 `json:"currency"`      // 货币
		Metadata     map[string]interface{} `json:"metadata"`      // 额外参数
		Method       string                 `json:"method"`        // 支付方--途径
		OrderSn      string                 `json:"order_sn"`      // 订单编码
		PayStage     int64                  `json:"pay_stage"`     // 支付阶段
		RedirectURL  *string                `json:"redirect_url"`  // 支付方--重定向地址
		Total        OrderPayTotal          `json:"total"`         // 支付参数
	}
	// 支付参数
	OrderPayTotal struct {
		Amount int64  `json:"amount"` // 金额
		Label  string `json:"label"`  // 标签
	}
	/* 预支付--定金 */
	CreatePrePaymentByDepositReq struct {
		StripeKey       string        `json:"stripe_key"`
		Currency        string        `json:"currency"`
		Country         string        `json:"country"`
		UserId          int64         `json:"user_id"`
		OrderSn         string        `json:"order_sn"`
		DeliveryMethod  int64         `json:"delivery_method"`
		DeliveryAddress *OrderAddress `json:"delivery_address"`
	}
	CreatePrePaymentByDepositRes struct {
		ErrorCode   basic.StatusResponse
		OrderDetail gmodel.OrderDetail
		OrderPay    OrderPay
	}
	/* 预支付--定金 */

	/* 预支付--尾款 */
	CreatePrePaymentByBalanceReq struct {
		StripeKey string `json:"stripe_key"`
		Currency  string `json:"currency"`
		Country   string `json:"country"`
		UserId    int64  `json:"user_id"`
		OrderSn   string `json:"order_sn"`
	}
	CreatePrePaymentByBalanceRes struct {
		ErrorCode   basic.StatusResponse
		OrderDetail gmodel.OrderDetail
		OrderPay    OrderPay
	}
	/* 预支付--尾款 */

	/* 下单 */
	CreateReq struct {
		ExpectedDeliveryTime time.Time     `json:"expected_delivery_time"` // 预计到货时间
		ExchangeRate         int64         `json:"exchange_rate"`          // 换算汇率（厘）
		CurrentCurrency      string        `json:"current_currency"`       // 当前货币
		OriginalCurrency     string        `json:"original_currency"`      // 原始货币
		UserId               int64         `json:"user_id"`
		CartIds              []int64       `json:"cart_ids"`
		DeliveryMethod       int64         `json:"delivery_method"`
		DeliveryAddress      *OrderAddress `json:"delivery_address"` // 收货地址
	}
	CreateRes struct {
		ErrorCode basic.StatusResponse
		OrderSn   string
	}
	/* 下单 */

	/* 详情 */
	DetailReq struct {
		UserId  int64  `json:"user_id"`
		OrderSn string `json:"order_sn"`
	}
	DetailRes struct {
		ErrorCode           basic.StatusResponse
		OrderDetail         gmodel.OrderDetail
		OrderDetailOriginal gmodel.OrderDetail
	}
	/* 详情 */

	/* 列表 */
	ListReq struct {
		UserId         int64  `json:"user_id"`
		DeliveryMethod int64  `json:"delivery_method"`
		OrderCycle     string `json:"order_cycle"`
		CurrentPage    int64  `json:"current_page"`
		PerPage        int64  `json:"per_page"`
	}
	ListRes struct {
		OrderDetailList []gmodel.OrderDetail
		Meta            interface{}
	}
	/* 列表 */
)

// 预支付--尾款
func (d *defaultOrder) CreatePrePaymentByBalance(ctx context.Context, in *CreatePrePaymentByBalanceReq) (res *CreatePrePaymentByBalanceRes, err error) {
	var errorCode basic.StatusResponse
	var order gmodel.FsOrder
	model := d.MysqlConn.Where("is_del = ?", 0)
	if in.UserId != 0 {
		model.Where("user_id = ?", in.UserId)
	}
	if in.OrderSn != "" {
		model.Where("order_sn = ?", in.OrderSn)
	}
	result := model.Take(&order)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			errorCode = *basic.CodeErrOrderCreatePrePaymentInfoNoFound
		} else {
			errorCode = *basic.CodeServiceErr
		}
		logx.Errorf("create prePayment balance failed, err: %v", err)
		return &CreatePrePaymentByBalanceRes{
			ErrorCode: errorCode,
		}, result.Error
	}
	// 非未支付
	if *order.PayStatus != int64(constants.ORDERPAYSTATUSPAIDDEPOSIT) {
		errorCode = *basic.CodeErrOrderCreatePrePaymentNoUnPaid
		err = errors.New("order balance pay status is not unPaid")
		logx.Errorf("create prePayment balance failed, err: %v", err)
		return &CreatePrePaymentByBalanceRes{
			ErrorCode: errorCode,
		}, err
	}

	ress, err := d.OrderDetailHandler(ctx, &order)
	if err != nil {
		logx.Errorf("create prePayment balance failed DetailOrderDetailHandler, err: %v", err)
		errorCode = *basic.CodeServiceErr
		return &CreatePrePaymentByBalanceRes{
			ErrorCode: errorCode,
		}, err
	}
	// 支付初始化
	amount := int64(ress.OrderDetailOriginal.OrderAmount.RemainingBalance.PayAmount.Current.CurrentAmount.(float64) / float64(10))
	payConfig := &pay.Config{}
	payConfig.Stripe.PayType = "intent"
	payConfig.Stripe.Key = in.StripeKey
	var generatePrepaymentReq = &pay.GeneratePrepaymentReq{
		OrderSn:            in.OrderSn,
		ProductName:        "支付尾款后期统一调整",
		Amount:             amount,
		Currency:           "usd",
		Quantity:           1,
		ProductDescription: "支付尾款后期统一调整",
	}
	payDriver := pay.NewPayDriver(1, payConfig)

	prepaymentRes, err := payDriver.GeneratePrepayment(generatePrepaymentReq)
	if err != nil {
		logx.Errorf("create prePayment balance failed GeneratePrepayment, err: %v", err)
		errorCode = *basic.CodeServiceErr
		return &CreatePrePaymentByBalanceRes{
			ErrorCode: errorCode,
		}, nil
	}
	return &CreatePrePaymentByBalanceRes{
		OrderDetail: ress.OrderDetail,
		OrderPay: OrderPay{
			ClientSecret: prepaymentRes.ClientSecret,
			Country:      in.Country,
			Currency:     in.Currency,
			Method:       payConfig.Stripe.PayType,
			OrderSn:      in.OrderSn,
			PayStage:     1,
			Total: OrderPayTotal{
				Amount: amount,
				Label:  "支付尾款后期统一调整",
			},
		},
	}, nil
}

// 预支付--定金
func (d *defaultOrder) CreatePrePaymentByDeposit(ctx context.Context, in *CreatePrePaymentByDepositReq) (res *CreatePrePaymentByDepositRes, err error) {
	var errorCode basic.StatusResponse
	var order gmodel.FsOrder
	model := d.MysqlConn.Where("is_del = ?", 0)
	if in.UserId != 0 {
		model.Where("user_id = ?", in.UserId)
	}
	if in.OrderSn != "" {
		model.Where("order_sn = ?", in.OrderSn)
	}
	result := model.Take(&order)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			errorCode = *basic.CodeErrOrderCreatePrePaymentInfoNoFound
		} else {
			errorCode = *basic.CodeServiceErr
		}
		logx.Errorf("create prePayment deposit failed, err: %v", err)
		return &CreatePrePaymentByDepositRes{
			ErrorCode: errorCode,
		}, result.Error
	}

	// 非未支付
	if *order.PayStatus != int64(constants.ORDERPAYSTATUSUNPAIDDEPOSIT) {
		errorCode = *basic.CodeErrOrderCreatePrePaymentNoUnPaid
		err = errors.New("order pay status is not unPaidDeposit")
		logx.Errorf("create prePayment deposit failed, err: %v", err)
		return &CreatePrePaymentByDepositRes{
			ErrorCode: errorCode,
		}, err
	}

	// 是否超时支付
	ntime := time.Now().UTC()
	ctime := *order.Ctime
	ctimeTimeOut := ctime.Add(30 * time.Minute).UTC().Unix()
	ntimeTimeOut := ntime.Unix()

	// 测试超时支付不限制
	if ctimeTimeOut == ntimeTimeOut {
		errorCode = *basic.CodeErrOrderCreatePrePaymentTimeout
		err = errors.New("order pay timeout")
		logx.Errorf("create prePayment deposit failed, err: %v", err)
		return &CreatePrePaymentByDepositRes{
			ErrorCode: errorCode,
		}, err
	}

	ress, err := d.OrderDetailHandler(ctx, &order)
	if err != nil {
		logx.Errorf("create prePayment deposit failed DetailOrderDetailHandler, err: %v", err)
		errorCode = *basic.CodeServiceErr
		return &CreatePrePaymentByDepositRes{
			ErrorCode: errorCode,
		}, err
	}

	var uOrderDetail = make(map[string]interface{})

	var orderAddress *gmodel.OrderAddress
	if in.DeliveryAddress != nil {
		if in.DeliveryAddress.Name != ress.OrderDetailOriginal.DeliveryAddress.Name || in.DeliveryAddress.Address != ress.OrderDetail.DeliveryAddress.Address || in.DeliveryAddress.Mobile != ress.OrderDetail.DeliveryAddress.Mobile {
			orderAddress = &gmodel.OrderAddress{
				Name:    in.DeliveryAddress.Name,
				Mobile:  in.DeliveryAddress.Mobile,
				Address: in.DeliveryAddress.Address,
			}
		}
	}

	var sql string = fmt.Sprintf(", `utime` = '%s'", ntime)
	// 是否更新
	if in.DeliveryMethod != *order.DeliveryMethod {
		sql = sql + fmt.Sprintf(",`delivery_method` = %d", in.DeliveryMethod)
		if in.DeliveryMethod == constants.DELIVERYMETHODDIRECTMAIL {
			uOrderDetail["delivery_address"] = orderAddress
		} else {
			uOrderDetail["delivery_address"] = nil
		}
		uOrderDetail["order_info"] = struct {
			DeliveryMethod int64      `json:"delivery_method"`
			Utime          *time.Time `json:"utime"`
		}{
			DeliveryMethod: in.DeliveryMethod,
			Utime:          &ntime,
		}
	} else {
		if in.DeliveryMethod == constants.DELIVERYMETHODDIRECTMAIL {
			// 更新收货地址
			if orderAddress != nil {
				uOrderDetail["delivery_address"] = orderAddress
				uOrderDetail["order_info"] = struct {
					DeliveryMethod int64      `json:"delivery_method"`
					Utime          *time.Time `json:"utime"`
				}{
					DeliveryMethod: in.DeliveryMethod,
					Utime:          &ntime,
				}
			}
		}
	}

	if len(uOrderDetail) > 0 {
		err = fssql.MetadataOrderPATCH(d.MysqlConn, sql, in.OrderSn, gmodel.FsOrder{}, uOrderDetail, "id = ?", order.Id)
		if err != nil {
			errorCode = *basic.CodeServiceErr
			logx.Errorf("create prePayment deposit failed MetadataOrderPATCH, err: %v", err)
			return &CreatePrePaymentByDepositRes{
				ErrorCode: errorCode,
			}, result.Error
		}
	}

	ress.OrderDetail.OrderInfo.Utime = &ntime
	ress.OrderDetail.OrderInfo.DeliveryMethod = in.DeliveryMethod
	ress.OrderDetail.DeliveryAddress = orderAddress

	// 支付初始化
	amount := int64(ress.OrderDetailOriginal.OrderAmount.Deposit.PayAmount.Current.CurrentAmount.(float64) / float64(10))
	payConfig := &pay.Config{}
	payConfig.Stripe.PayType = "intent"
	payConfig.Stripe.Key = in.StripeKey
	var generatePrepaymentReq = &pay.GeneratePrepaymentReq{
		OrderSn:            in.OrderSn,
		ProductName:        "支付首款",
		Amount:             amount,
		Currency:           "usd",
		Quantity:           1,
		ProductDescription: "支付首款",
	}
	payDriver := pay.NewPayDriver(1, payConfig)

	prepaymentRes, err := payDriver.GeneratePrepayment(generatePrepaymentReq)
	if err != nil {
		logx.Errorf("create prePayment deposit failed GeneratePrepayment, err: %v", err)
		errorCode = *basic.CodeServiceErr
		return &CreatePrePaymentByDepositRes{
			ErrorCode: errorCode,
		}, nil
	}
	return &CreatePrePaymentByDepositRes{
		OrderDetail: ress.OrderDetail,
		OrderPay: OrderPay{
			ClientSecret: prepaymentRes.ClientSecret,
			Country:      in.Country,
			Currency:     in.Currency,
			Method:       payConfig.Stripe.PayType,
			OrderSn:      in.OrderSn,
			PayStage:     1,
			Total: OrderPayTotal{
				Amount: amount,
				Label:  "",
			},
		},
	}, nil
}

// 列表
func (d *defaultOrder) List(ctx context.Context, in *ListReq) (res *ListRes, err error) {
	var orderList []gmodel.FsOrder
	model := d.MysqlConn.Model(&gmodel.FsOrder{}).Where("is_del = ?", 0)
	if in.UserId != 0 {
		model.Where("user_id = ?", in.UserId)
	}

	// Where("pay_status > ?", 0)
	if in.DeliveryMethod != 0 {
		model.Where("delivery_method = ?", in.DeliveryMethod)
	}
	if in.OrderCycle != "" {
		// 下单时间
		switch in.OrderCycle {
		case "within_one_month":
			model.Where("ctime >?", time.Now().UTC().AddDate(0, -1, 0).Unix())
		case "within_three_month":
			model.Where("ctime >?", time.Now().UTC().AddDate(0, -3, 0).Unix())
		case "within_six_month":
			model.Where("ctime >?", time.Now().UTC().AddDate(0, -6, 0).Unix())
		case "within_one_year":
			model.Where("ctime >?", time.Now().UTC().AddDate(-1, 0, 0).Unix())
		}
	}
	var count int64
	resultCount := model.Count(&count)
	if resultCount.Error != nil {
		logx.Errorf("order count failed, err: %v", err)
		return nil, resultCount.Error
	}
	var orderDetailList []gmodel.OrderDetail
	if count > 0 {
		m := model.Scopes(handlers.Paginate(&in.CurrentPage, &in.PerPage))
		result := m.Find(&orderList)
		if result.Error != nil {
			logx.Errorf("order list failed, err: %v", err)
			return nil, result.Error
		}
		for _, order := range orderList {
			ress, err := d.OrderDetailHandler(ctx, &order)
			if err != nil {
				return nil, err
			}
			orderDetailList = append(orderDetailList, ress.OrderDetail)
		}
	} else {
		orderDetailList = make([]gmodel.OrderDetail, 0)
	}
	return &ListRes{
		OrderDetailList: orderDetailList,
		Meta: map[string]int64{
			"total_count":  count,
			"page_count":   count / in.PerPage,
			"current_page": in.CurrentPage,
			"per_page":     in.PerPage,
		},
	}, nil
}

// 详情
func (d *defaultOrder) Detail(ctx context.Context, in *DetailReq) (res *DetailRes, err error) {
	var errorCode basic.StatusResponse
	var order gmodel.FsOrder
	model := d.MysqlConn.Where("is_del = ?", 0)
	if in.UserId != 0 {
		model.Where("user_id = ?", in.UserId)
	}
	if in.OrderSn != "" {
		model.Where("order_sn = ?", in.OrderSn)
	}
	result := model.Take(&order)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			errorCode = *basic.CodeErrOrderCreatePrePaymentInfoNoFound
		} else {
			errorCode = *basic.CodeServiceErr
		}
		logx.Errorf("order detail failed, err: %v", err)
		return &DetailRes{
			ErrorCode: errorCode,
		}, result.Error
	}

	// 是否超时支付
	ctime := *order.Ctime
	ctimeTimeOut := ctime.Add(30 * time.Minute).UTC().Unix()
	ntimeTimeOut := time.Now().UTC().Unix()
	if ctimeTimeOut < ntimeTimeOut {
		errorCode = *basic.CodeErrOrderCreatePrePaymentTimeout
		err = errors.New("order pay timeout")
		logx.Errorf("order detail failed, err: %v", err)
		return &DetailRes{
			ErrorCode: errorCode,
		}, err
	}

	ress, err := d.OrderDetailHandler(ctx, &order)
	if err != nil {
		logx.Errorf("order detail failed, err: %v", err)
		errorCode = *basic.CodeServiceErr
		return &DetailRes{
			ErrorCode: errorCode,
		}, err
	}
	return &DetailRes{
		ErrorCode:   errorCode,
		OrderDetail: ress.OrderDetail,
	}, nil
}

// 下单
func (d *defaultOrder) Create(ctx context.Context, in *CreateReq) (res *CreateRes, err error) {
	var errorCode basic.StatusResponse
	// 订单编号
	var orderSn string = order.GenerateOrderNumber()

	err = d.MysqlConn.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		// 查询购物车
		var shoppingCartList []*gmodel.RelaFsShoppingCart
		resShoppingCartFind := tx.Table(gmodel.NewFsShoppingCartModel(tx).TableName()).
			Preload("ShoppingCartProduct", func(dbPreload *gorm.DB) *gorm.DB {
				return dbPreload.Table(gmodel.NewFsProductModel(tx).TableName()).Preload("CoverResource")
			}).Preload("ShoppingCartProductPriceList").
			Preload("ShoppingCartProductModel3dList").
			Preload("ShoppingCartProductModel3dFitting").
			Where("id IN ?", in.CartIds).
			Where("user_id = ?", in.UserId).
			Find(&shoppingCartList)
		err = resShoppingCartFind.Error
		if err != nil {
			return err
		}
		shoppingCartListLen := len(shoppingCartList)
		if shoppingCartListLen == 0 {
			errorCode = *basic.CodeErrOrderCreatShoppingCartEmpty
			return errors.New(errorCode.Message)
		}
		if shoppingCartListLen != len(in.CartIds) {
			errorCode = *basic.CodeErrOrderCreatShoppingCartNotMatched
			return errors.New(errorCode.Message)
		}

		// 订单商品列表
		var orderProductList []gmodel.OrderProduct

		var shippingFee gmodel.AmountInfo
		// 订单税费总价（厘）
		var shippingFeeTotal int64

		var tax = gmodel.AmountInfo{}
		// 订单邮费总价（厘）
		var taxTotal int64

		var discount gmodel.AmountInfo
		// 订单折扣总价（厘）
		var discountTotal int64

		var subtotal gmodel.AmountInfo
		// 订单商品总价（厘）
		var orderProductTotal int64

		var total gmodel.AmountInfo
		// 订单总价（厘）
		var orderTotal int64

		var nowTime = time.Now().UTC()

		// 收货地址
		var orderAddress *gmodel.OrderAddress

		// 支付状态
		var payStatus = constants.ORDERPAYSTATUSUNPAIDDEPOSIT

		// 直邮
		if in.DeliveryMethod == constants.DELIVERYMETHODDIRECTMAIL {
			orderAddress = &gmodel.OrderAddress{
				Mobile: in.DeliveryAddress.Mobile,
				Name:   in.DeliveryAddress.Name,
			}
		}

		for _, shoppingCart := range shoppingCartList {
			// 购物车快照
			var shoppingCartSnapshot gmodel.CartSnapshot
			// 购物车商品价格
			var shoppingCartProductPrice *gmodel.FsProductPrice
			// 购物车商品模型
			var shoppingCartProductModel3d *gmodel.FsProductModel3d
			if shoppingCart.Snapshot != nil {
				json.Unmarshal([]byte(*shoppingCart.Snapshot), &shoppingCartSnapshot)
			}
			// 商品异常
			if shoppingCart.ShoppingCartProduct == nil || (shoppingCart.ShoppingCartProduct != nil && *shoppingCart.ShoppingCartProduct.IsShelf == 0) {
				errorCode = *basic.CodeErrOrderCreatProductAbsent
				errorCode.Message = "create order failed, product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is absent"
				return errors.New(errorCode.Message)
			}
			// 商品价格异常
			if len(shoppingCart.ShoppingCartProductPriceList) == 0 {
				errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
				errorCode.Message = "create order failed, price of product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is absent"
				return errors.New(errorCode.Message)
			} else {
				var isProductPrice bool
				for _, shoppingCartProductPriceInfo := range shoppingCart.ShoppingCartProductPriceList {
					if *shoppingCart.SizeId == *shoppingCartProductPriceInfo.SizeId {
						shoppingCartProductPrice = shoppingCartProductPriceInfo
						isProductPrice = true
						break
					}
				}
				if !isProductPrice {
					errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
					errorCode.Message = "create order failed, price of product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is absent"
					return errors.New(errorCode.Message)
				}
				shoppingCart.ShoppingCartProductPriceList = []*gmodel.FsProductPrice{shoppingCartProductPrice}
			}

			// 商品模型异常
			if len(shoppingCart.ShoppingCartProductModel3dList) == 0 {
				errorCode = *basic.CodeErrOrderCreatProductAccessoryAbsent
				errorCode.Message = "create order failed, accessoryof product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is absent"
				return errors.New(errorCode.Message)
			} else {
				var isProductModel bool
				for _, shoppingCartProductModel3dInfo := range shoppingCart.ShoppingCartProductModel3dList {
					if *shoppingCart.SizeId == *shoppingCartProductModel3dInfo.SizeId {
						shoppingCartProductModel3d = shoppingCartProductModel3dInfo
						isProductModel = true
						break
					}
				}
				if !isProductModel {
					errorCode = *basic.CodeErrOrderCreatProductAccessoryAbsent
					errorCode.Message = "create order failed, accessory of product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is absent"
					return errors.New(errorCode.Message)
				}
				shoppingCart.ShoppingCartProductModel3dList = []*gmodel.FsProductModel3d{shoppingCartProductModel3d}
			}

			var stepNum []int
			var stepPrice []int
			if *shoppingCartProductPrice.StepNum == "" {
				errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
				errorCode.Message = "create order failed, step num of product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is failed"
				return errors.New(errorCode.Message)
			} else {
				json.Unmarshal([]byte(*shoppingCartProductPrice.StepNum), &stepNum)
			}
			if *shoppingCartProductPrice.StepPrice == "" {
				errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
				errorCode.Message = "create order failed, step price of product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is failed"
				return errors.New(errorCode.Message)
			} else {
				json.Unmarshal([]byte(*shoppingCartProductPrice.StepPrice), &stepPrice)
			}

			/* 计算价格 */
			productPrice, productTotalPrice, stepNum, stepPrice, err := NewShoppingCart(tx, nil, nil).CaculateCartPrice(*shoppingCart.PurchaseQuantity, shoppingCartProductPrice, *shoppingCart.ShoppingCartProductModel3dFitting.Price)
			if err != nil {
				errorCode = *basic.CodeErrOrderCreatProductPriceAbsent
				errorCode.Message = "create order failed, step price of product '" + shoppingCartSnapshot.ProductInfo.ProductName + "'is failed"
				return err
			}
			/* 计算价格 */

			// 订单商品总价（厘）
			orderProductTotal = orderProductTotal + productTotalPrice

			// 订单商品
			var productCoverMetadata map[string]interface{}
			if shoppingCart.ShoppingCartProduct.CoverResource != nil && shoppingCart.ShoppingCartProduct.CoverResource.Metadata != nil {
				json.Unmarshal(*shoppingCart.ShoppingCartProduct.CoverResource.Metadata, &productCoverMetadata)
			}
			orderProductList = append(orderProductList, gmodel.OrderProduct{
				TotalPrice: order.GetAmountInfo(order.GetAmountInfoReq{
					ExchangeRate:     in.ExchangeRate,
					Initiate:         productTotalPrice,
					Current:          productTotalPrice,
					CurrentCurrency:  in.CurrentCurrency,
					OriginalCurrency: in.OriginalCurrency,
				}),
				ExpectedDeliveryTime: &in.ExpectedDeliveryTime,
				PurchaseQuantity:     *shoppingCart.PurchaseQuantity,
				ProductID:            *shoppingCart.ProductId,
				ProductCover:         *shoppingCart.ShoppingCartProduct.Cover,
				ProductCoverMetadata: productCoverMetadata,
				ProductName:          *shoppingCart.ShoppingCartProduct.Title,
				ItemPrice: order.GetAmountInfo(order.GetAmountInfoReq{
					ExchangeRate:     in.ExchangeRate,
					Initiate:         productPrice,
					Current:          productPrice,
					CurrentCurrency:  in.CurrentCurrency,
					OriginalCurrency: in.OriginalCurrency,
				}),
				ProductSnapshot:      shoppingCart.ShoppingCartProduct,
				ShoppingCartSnapshot: &shoppingCart.FsShoppingCart,
				ProductSn:            *shoppingCart.ShoppingCartProduct.Sn,
				DiyInformation:       &shoppingCartSnapshot.UserDiyInformation,
				FittingInfo: &gmodel.OrderProductFittingInfo{
					FittingID:   *shoppingCart.FittingId,
					FittingName: shoppingCartSnapshot.FittingInfo.FittingName,
				},
				SizeInfo: &gmodel.OrderProductSizeInfo{
					SizeID:   *shoppingCart.SizeId,
					Capacity: shoppingCartSnapshot.SizeInfo.Capacity,
					Title: gmodel.OrderProductSizeInfoTitle{
						Inch: shoppingCartSnapshot.SizeInfo.Inch,
						Cm:   shoppingCartSnapshot.SizeInfo.Cm,
					},
				},
				StepNum:            stepNum,
				IsHighlyCustomized: *shoppingCart.IsHighlyCustomized,
			})
		}

		subtotal = order.GetAmountInfo(order.GetAmountInfoReq{
			ExchangeRate:     in.ExchangeRate,
			Initiate:         orderProductTotal,
			Current:          orderProductTotal,
			CurrentCurrency:  in.CurrentCurrency,
			OriginalCurrency: in.OriginalCurrency,
		})

		orderTotal = orderProductTotal + shippingFeeTotal + taxTotal - discountTotal
		total = order.GetAmountInfo(order.GetAmountInfoReq{
			ExchangeRate:     in.ExchangeRate,
			Initiate:         orderTotal,
			Current:          orderTotal,
			CurrentCurrency:  in.CurrentCurrency,
			OriginalCurrency: in.OriginalCurrency,
		})
		// 定金
		var depositInt int64 = orderTotal / 2
		var deposit = gmodel.PayInfo{
			Status: gmodel.PayStatus{
				StatusCode:  int64(constants.PAYSTATUSUNPAID),
				StatusTitle: constants.PayStatusMessage[constants.PAYSTATUSUNPAID],
			},
			PayAmount: order.GetAmountInfo(order.GetAmountInfoReq{
				ExchangeRate:     in.ExchangeRate,
				Initiate:         depositInt,
				Current:          depositInt,
				CurrentCurrency:  in.CurrentCurrency,
				OriginalCurrency: in.OriginalCurrency,
			}),
		}

		// 尾款
		var remainingBalanceInt int64 = orderTotal - depositInt
		var remainingBalance = gmodel.PayInfo{
			Status: gmodel.PayStatus{
				StatusCode:  int64(constants.PAYSTATUSUNPAID),
				StatusTitle: constants.PayStatusMessage[constants.PAYSTATUSUNPAID],
			},
			PayAmount: order.GetAmountInfo(order.GetAmountInfoReq{
				ExchangeRate:     in.ExchangeRate,
				Initiate:         remainingBalanceInt,
				Current:          remainingBalanceInt,
				CurrentCurrency:  in.CurrentCurrency,
				OriginalCurrency: in.OriginalCurrency,
			}),
		}
		var orderAmount = gmodel.OrderAmount{
			Deposit:          deposit,
			RemainingBalance: remainingBalance,
			Discount:         discount,
			ShippingFee:      shippingFee,
			Tax:              tax,
			Subtotal:         subtotal,
			Total:            total,
		}

		// 订单状态--当前
		var status = gmodel.OrderStatus{
			Ctime:       &nowTime,
			Utime:       &nowTime,
			StatusCode:  constants.ORDERSTATUSUNPAIDDEPOSIT,
			StatusTitle: constants.OrderStatusMessage[constants.ORDERSTATUSUNPAIDDEPOSIT],
		}
		// 订单状态--链路
		var statusLink = order.GenerateOrderStatusLink(in.DeliveryMethod, nowTime, in.ExpectedDeliveryTime)
		var orderInfo = gmodel.OrderInfo{
			Ctime:          &nowTime,
			DeliveryMethod: in.DeliveryMethod,
			OrderSn:        orderSn,
			Status:         status,
			StatusLink:     statusLink,
		}

		var orderDetail = gmodel.OrderDetail{
			DeliveryAddress: orderAddress,
			OrderAmount:     orderAmount,
			OrderInfo:       orderInfo,
			OrderProduct:    orderProductList,
			PayStatus:       payStatus,
			PayTimeout:      30 * time.Minute,
		}
		// 数据库操作

		orderDetailByte, err := json.Marshal(orderDetail)
		if err != nil {
			return err
		}
		var order = gmodel.FsOrder{
			UserId:         &in.UserId,
			DeliveryMethod: &in.DeliveryMethod,
			OrderSn:        &orderSn,
			Status:         (*int64)(&status.StatusCode),
			PayStatus:      (*int64)(&payStatus),
			Ctime:          &nowTime,
			Metadata:       &orderDetailByte,
		}
		result := tx.Create(&order)
		if result.Error != nil {
			return result.Error
		}
		return nil
	})
	if err != nil {
		logx.Errorf("order create order failed, err: %v", err)

		if errorCode.Code == 0 {
			errorCode.Code = basic.CodeApiErr.Code
			errorCode.Message = basic.CodeApiErr.Message
		}
		return &CreateRes{
			OrderSn:   orderSn,
			ErrorCode: errorCode,
		}, err
	}
	return &CreateRes{
		OrderSn:   orderSn,
		ErrorCode: errorCode,
	}, nil
}

// 详情处理
func (d *defaultOrder) OrderDetailHandler(ctx context.Context, orderInfo *gmodel.FsOrder) (res *DetailRes, err error) {
	var orderDetail gmodel.OrderDetail

	err = json.Unmarshal(*orderInfo.Metadata, &orderDetail)
	if err != nil {
		logx.Errorf("order detail handler unmarshal metadata failed, err: %v", err)
		return nil, err
	}
	orderDetailOriginal := orderDetail
	for orderProductKey, orderProduct := range orderDetail.OrderProduct {
		orderDetail.OrderProduct[orderProductKey].TotalPrice = order.GetAmountInfoFormat(&orderProduct.TotalPrice)
		orderDetail.OrderProduct[orderProductKey].ItemPrice = order.GetAmountInfoFormat(&orderProduct.ItemPrice)
		orderDetail.OrderProduct[orderProductKey].ShoppingCartSnapshot = nil
		orderDetail.OrderProduct[orderProductKey].ProductSnapshot = nil
	}
	orderDetail.OrderInfo.StatusLink = order.GetOrderStatusLinkUser(orderDetail.OrderInfo.DeliveryMethod, orderDetail.OrderInfo.StatusLink)
	orderDetail.OrderAmount.Deposit.PayAmount = order.GetAmountInfoFormat(&orderDetail.OrderAmount.Deposit.PayAmount)
	orderDetail.OrderAmount.RemainingBalance.PayAmount = order.GetAmountInfoFormat(&orderDetail.OrderAmount.RemainingBalance.PayAmount)
	orderDetail.OrderAmount.Subtotal = order.GetAmountInfoFormat(&orderDetail.OrderAmount.Subtotal)
	orderDetail.OrderAmount.Total = order.GetAmountInfoFormat(&orderDetail.OrderAmount.Total)
	orderDetail.PayTimeout = time.Duration(orderDetail.OrderInfo.Ctime.Add(orderDetail.PayTimeout).UTC().Unix() - time.Now().UTC().Unix())

	return &DetailRes{
		OrderDetail:         orderDetail,
		OrderDetailOriginal: orderDetailOriginal,
	}, nil
}