package response

import (
	"gorm.io/datatypes"
	"psi/models"
)

type OrderWithInfo struct {
	models.PurchaseOrder
	SupplierName  string `gorm:"column:supplier_name"`
	WarehouseName string `gorm:"column:warehouse_name"`
}

type ItemWithProduct struct {
	models.PurchaseOrderItem
	ProductName  string         `gorm:"column:product_name"`
	ProductCode  string         `gorm:"column:product_code"`
	SalePrice    int64          `gorm:"column:sale_price"`
	CategoryID   int64          `gorm:"column:category_id"`
	CategoryName string         `gorm:"column:category_name"`
	LiveImage    datatypes.JSON `gorm:"column:live_image"`
	LocationID   int64          `gorm:"column:location_id"`
	LocationCode string         `gorm:"column:location_code"`
}

// PurchaseOrderListResponse 采购订单列表响应
type PurchaseOrderListResponse struct {
	List     []PurchaseOrderItem `json:"list"`
	Total    int64               `json:"total"`
	Page     int                 `json:"page"`
	PageSize int                 `json:"pageSize"`
}

// PurchaseOrderItem 采购订单项
type PurchaseOrderItem struct {
	ID                  int64  `json:"id"`
	PoNo                string `json:"po_no"`
	SupplierID          int64  `json:"supplier_id"`
	SupplierName        string `json:"supplier_name"`
	WarehouseID         int64  `json:"warehouse_id"`
	WarehouseName       string `json:"warehouse_name"`
	OrderDate           int64  `json:"order_date"`
	ExpectedArrivalDate int64  `json:"expected_arrival_date"`
	TotalAmount         int64  `json:"total_amount"`
	Status              int8   `json:"status"`
	StatusText          string `json:"status_text"`
	Creator             string `json:"creator"`
	CreatorID           int64  `json:"creator_id"`
	Remark              string `json:"remark"`
	CreatedAt           int64  `json:"created_at"`
	UpdatedAt           int64  `json:"updated_at"`
}

// PurchaseOrderDetailResponse 采购订单详情响应
type PurchaseOrderDetailResponse struct {
	ID                  int64                     `json:"id"`
	PoNo                string                    `json:"po_no"`
	SupplierID          int64                     `json:"supplier_id"`
	SupplierName        string                    `json:"supplier_name"`
	WarehouseID         int64                     `json:"warehouse_id"`
	WarehouseName       string                    `json:"warehouse_name"`
	OrderDate           int64                     `json:"order_date"`
	ExpectedArrivalDate int64                     `json:"expected_arrival_date"`
	TotalAmount         int64                     `json:"total_amount"`
	Status              int8                      `json:"status"`
	StatusText          string                    `json:"status_text"`
	Creator             string                    `json:"creator"`
	CreatorID           int64                     `json:"creator_id"`
	Remark              string                    `json:"remark"`
	CreatedAt           int64                     `json:"created_at"`
	UpdatedAt           int64                     `json:"updated_at"`
	Items               []PurchaseOrderDetailItem `json:"items"`
}

// PurchaseOrderDetailItem 采购订单明细项
type PurchaseOrderDetailItem struct {
	ID               int64    `json:"id"`
	PurchaseOrderID  int64    `json:"purchase_order_id"`
	ProductID        int64    `json:"product_id"`
	ProductName      string   `json:"product_name"`
	ProductCode      string   `json:"product_code"`
	SalePrice        int64    `json:"sale_price"`
	CategoryID       int64    `json:"category_id"`
	CategoryName     string   `json:"category_name"`
	LiveImage        []string `json:"live_image"`
	Quantity         int64    `json:"quantity"`
	ReceivedQuantity int64    `json:"received_quantity"`
	UnitPrice        int64    `json:"unit_price"`
	Amount           int64    `json:"amount"`
	LocationID       int64    `json:"location_id"`
	LocationCode     string   `json:"location_code"`
	CreatedAt        int64    `json:"created_at"`
	UpdatedAt        int64    `json:"updated_at"`
}

// ConvertPurchaseOrderToItem 将采购订单模型转换为响应项

func ConvertPurchaseOrderToItem(order models.PurchaseOrder, supplierName string, warehouseName string) PurchaseOrderItem {
	return PurchaseOrderItem{
		ID:                  order.ID,
		PoNo:                order.PoNo,
		SupplierID:          order.SupplierID,
		SupplierName:        supplierName,
		WarehouseID:         order.WarehouseID,
		WarehouseName:       warehouseName,
		OrderDate:           order.OrderDate,
		ExpectedArrivalDate: order.ExpectedArrivalDate,
		TotalAmount:         order.TotalAmount,
		Status:              order.Status,
		StatusText:          GetPurchaseOrderStatusText(order.Status),
		Creator:             order.Creator,
		CreatorID:           order.CreatorID,
		Remark:              order.Remark,
		CreatedAt:           order.CreatedAt,
		UpdatedAt:           order.UpdatedAt,
	}
}

// ConvertPurchaseOrderToDetail 将采购订单模型转换为详情响应
func ConvertPurchaseOrderToDetail(order models.PurchaseOrder, supplierName string, warehouseName string, items []PurchaseOrderDetailItem) PurchaseOrderDetailResponse {
	return PurchaseOrderDetailResponse{
		ID:                  order.ID,
		PoNo:                order.PoNo,
		SupplierID:          order.SupplierID,
		SupplierName:        supplierName,
		WarehouseID:         order.WarehouseID,
		WarehouseName:       warehouseName,
		OrderDate:           order.OrderDate,
		ExpectedArrivalDate: order.ExpectedArrivalDate,
		TotalAmount:         order.TotalAmount,
		Status:              order.Status,
		StatusText:          GetPurchaseOrderStatusText(order.Status),
		Creator:             order.Creator,
		CreatorID:           order.CreatorID,
		Remark:              order.Remark,
		CreatedAt:           order.CreatedAt,
		UpdatedAt:           order.UpdatedAt,
		Items:               items,
	}
}

// GetPurchaseOrderStatusText 获取采购订单状态文本
func GetPurchaseOrderStatusText(status int8) string {
	statusMap := map[int8]string{
		1: "草稿",
		2: "已提交",
		3: "已审核",
		4: "部分收货",
		5: "已收货",
		6: "已取消",
	}
	if text, ok := statusMap[status]; ok {
		return text
	}
	return "未知"
}