package response

import (
	"psi/models"
)

// InventoryListResponse 库存汇总列表响应
type InventoryListResponse struct {
	List     []InventoryItem `json:"list"`
	Total    int64           `json:"total"`
	Page     int             `json:"page"`
	PageSize int             `json:"pageSize"`
}

// InventoryItem 库存汇总项
type InventoryItem struct {
	ProductID      int64  `json:"product_id"`
	ProductName    string `json:"product_name"`
	Appearance     int64  `json:"appearance"`
	Barcode        string `json:"barcode"`
	Price          int64  `json:"price"`
	WarehouseID    int64  `json:"warehouse_id"`
	WarehouseName  string `json:"warehouse_name"`
	WarehouseCode  string `json:"warehouse_code"`
	LocationCode   string `json:"location_code"`
	TotalQuantity  int64  `json:"total_quantity"`
	LockedQuantity int64  `json:"locked_quantity"`
}

// InventoryGroupedListResponse 按仓库库位分组的库存列表响应
type InventoryGroupedListResponse struct {
	List     []InventoryGroupItem `json:"list"`
	Total    int64                `json:"total"`
	Page     int                  `json:"page"`
	PageSize int                  `json:"pageSize"`
}

// InventoryGroupItem 仓库库位分组项（父级）
type InventoryGroupItem struct {
	WarehouseID    int64                 `json:"warehouse_id"`
	WarehouseName  string                `json:"warehouse_name"`
	WarehouseCode  string                `json:"warehouse_code"`
	LocationID     int64                 `json:"location_id"`
	LocationCode   string                `json:"location_code"`
	TotalQuantity  int64                 `json:"total_quantity"`
	LockedQuantity int64                 `json:"locked_quantity"`
	ItemCount      int                   `json:"item_count"`
	Details        []InventoryDetailItem `json:"details"`
}

// InventoryDetailResponse 库存明细响应
type InventoryDetailResponse struct {
	ProductID   int64                 `json:"product_id"`
	ProductName string                `json:"product_name"`
	List        []InventoryDetailItem `json:"list"`
	Total       int64                 `json:"total"`
}

// InventoryDetailItem 库存明细项
type InventoryDetailItem struct {
	ID             int64  `json:"id"`
	WarehouseID    int64  `json:"warehouse_id"`
	WarehouseName  string `json:"warehouse_name"`
	LocationID     int64  `json:"location_id"`
	LocationCode   string `json:"location_code"`
	BatchNo        string `json:"batch_no"`
	ProductionDate int64  `json:"production_date"`
	ExpiryDate     int64  `json:"expiry_date"`
	Quantity       int64  `json:"quantity"`
	LockedQuantity int64  `json:"locked_quantity"`
	CreatedAt      int64  `json:"created_at"`
	UpdatedAt      int64  `json:"updated_at"`
	ProductID      int64  `json:"product_id"`
	ProductName    string `json:"product_name"`
	Barcode        string `json:"barcode"`
	Appearance     int64  `json:"appearance"`
	SalePrice      int64  `json:"sale_price"`
	WaveNo         string `json:"wave_no"`        // 波次编号
	WaveTaskNo     string `json:"wave_task_no"`   // 波次任务编号
	OutTaskNo      int64  `json:"out_task_no"`    // 出库任务编号
	SalesOrderNo   string `json:"sales_order_no"` // 销售单编号
	ShippingNo     string `json:"shipping_no"`    // 发货单编号
}

// InventoryLogListResponse 库存流水列表响应
type InventoryLogListResponse struct {
	List     []InventoryLogItem `json:"list"`
	Total    int64              `json:"total"`
	Page     int                `json:"page"`
	PageSize int                `json:"pageSize"`
}

// InventoryLogItem 库存流水项
type InventoryLogItem struct {
	ID               int64  `json:"id"`
	WarehouseID      int64  `json:"warehouse_id"`
	WarehouseName    string `json:"warehouse_name"`
	LocationID       int64  `json:"location_id"`
	LocationCode     string `json:"location_code"`
	ProductID        int64  `json:"product_id"`
	ProductName      string `json:"product_name"`
	Barcode          string `json:"barcode"`
	BatchNo          string `json:"batch_no"`
	ChangeType       int8   `json:"change_type"`
	ChangeTypeText   string `json:"change_type_text"`
	ChangeQuantity   int64  `json:"change_quantity"`
	BeforeQuantity   int64  `json:"before_quantity"`
	AfterQuantity    int64  `json:"after_quantity"`
	RelatedOrderType string `json:"related_order_type"`
	RelatedOrderNo   string `json:"related_order_no"`
	Operator         string `json:"operator"`
	OperatorID       int64  `json:"operator_id"`
	Remark           string `json:"remark"`
	CreatedAt        int64  `json:"created_at"`
}

// InventoryStatistResponse ISBN/书名库存总数响应
type InventoryStatistResponse struct {
	Barcode       string `json:"barcode"`
	Appearance    int64  `json:"appearance"`
	TotalQuantity int64  `json:"total_quantity"`
	ProductCount  int    `json:"product_count"`
}

// StockCheckListResponse 盘库列表响应
type StockCheckListResponse struct {
	List     []StockCheckItem `json:"list"`
	Total    int64            `json:"total"`
	Page     int              `json:"page"`
	PageSize int              `json:"pageSize"`
}

// StockCheckItem 盘库项
type StockCheckItem struct {
	ID             int64  `json:"id"`
	CheckNo        string `json:"check_no"`
	WarehouseID    int64  `json:"warehouse_id"`
	WarehouseName  string `json:"warehouse_name"`
	CheckType      int8   `json:"check_type"`
	CheckTypeText  string `json:"check_type_text"`
	Status         int8   `json:"status"`
	StatusText     string `json:"status_text"`
	TotalItems     int    `json:"total_items"`
	CheckedItems   int    `json:"checked_items"`
	TotalQuantity  int64  `json:"total_quantity"`
	ActualQuantity int64  `json:"actual_quantity"`
	Operator       string `json:"operator"`
	OperatorID     int64  `json:"operator_id"`
	Remark         string `json:"remark"`
	CreatedAt      int64  `json:"created_at"`
	UpdatedAt      int64  `json:"updated_at"`
}

// StockCheckDetailResponse 盘库明细列表响应
type StockCheckDetailResponse struct {
	List     []StockCheckDetailItem `json:"list"`
	Total    int64                  `json:"total"`
	Page     int                    `json:"page"`
	PageSize int                    `json:"pageSize"`
}

// StockCheckDetailItem 盘库明细项
type StockCheckDetailItem struct {
	ID                 int64  `json:"id"`
	ProductID          int64  `json:"product_id"`
	ProductName        string `json:"product_name"`
	Barcode            string `json:"barcode"`
	LocationID         int64  `json:"location_id"`
	LocationCode       string `json:"location_code"`
	BatchNo            string `json:"batch_no"`
	ProductionDate     int64  `json:"production_date"`
	ExpiryDate         int64  `json:"expiry_date"`
	SystemQuantity     int64  `json:"system_quantity"`
	ActualQuantity     int64  `json:"actual_quantity"`
	DifferenceQuantity int64  `json:"difference_quantity"`
	Status             int8   `json:"status"`
	StatusText         string `json:"status_text"`
	CheckOperator      string `json:"check_operator"`
	CheckOperatorID    int64  `json:"check_operator_id"`
	CheckTime          int64  `json:"check_time"`
	Remark             string `json:"remark"`
	CreatedAt          int64  `json:"created_at"`
	UpdatedAt          int64  `json:"updated_at"`
}

// InventorySummaryResponse 库存统计响应
type InventorySummaryResponse struct {
	ProductTypeCount      int64 `json:"product_type_count"`      // 商品总种类数（同一个barcode算一个）
	ProductCount          int64 `json:"product_count"`           // 商品总数（不去重，按库存明细记录数）
	TotalQuantity         int64 `json:"total_quantity"`          // 库存总量
	AvailableProductCount int64 `json:"available_product_count"` // 有货商品数量（库存大于0的）
	LocationCount         int64 `json:"location_count"`          // 库位数
}

// ConvertInventoryToItem 将库存汇总转换为响应项
func ConvertInventoryToItem(
	productID int64, productName string, appearance int64, barcode string, price int64,
	warehouseID int64, warehouseName, warehouseCode, locationCode string,
	totalQty, lockedQty int64,
) InventoryItem {
	return InventoryItem{
		ProductID:      productID,
		ProductName:    productName,
		Appearance:     appearance,
		Barcode:        barcode,
		Price:          price,
		WarehouseID:    warehouseID,
		WarehouseName:  warehouseName,
		WarehouseCode:  warehouseCode,
		LocationCode:   locationCode,
		TotalQuantity:  totalQty,
		LockedQuantity: lockedQty,
	}
}

// ConvertInventoryDetailToItem 将库存明细转换为响应项
func ConvertInventoryDetailToItem(
	detail models.InventoryDetail, warehouseName, locationCode string,
	waveNo, waveTaskNo string, outTaskNo int64, salesOrderNo, shippingNo string,
) InventoryDetailItem {
	return InventoryDetailItem{
		ID:             detail.ID,
		WarehouseID:    detail.WarehouseID,
		WarehouseName:  warehouseName,
		LocationID:     detail.LocationID,
		LocationCode:   locationCode,
		BatchNo:        detail.BatchNo,
		ProductionDate: detail.ProductionDate,
		ExpiryDate:     detail.ExpiryDate,
		Quantity:       detail.Quantity,
		LockedQuantity: detail.LockedQuantity,
		CreatedAt:      detail.CreatedAt,
		UpdatedAt:      detail.UpdatedAt,
		WaveNo:         waveNo,
		WaveTaskNo:     waveTaskNo,
		OutTaskNo:      outTaskNo,
		SalesOrderNo:   salesOrderNo,
		ShippingNo:     shippingNo,
	}
}

// ConvertInventoryLogToItem 将库存流水转换为响应项
func ConvertInventoryLogToItem(
	log models.InventoryLog, warehouseName, locationCode, productName, barcode string,
) InventoryLogItem {
	return InventoryLogItem{
		ID:               log.ID,
		WarehouseID:      log.WarehouseID,
		WarehouseName:    warehouseName,
		LocationID:       log.LocationID,
		LocationCode:     locationCode,
		ProductID:        log.ProductID,
		ProductName:      productName,
		Barcode:          barcode,
		BatchNo:          log.BatchNo,
		ChangeType:       log.ChangeType,
		ChangeTypeText:   GetInventoryChangeTypeText(log.ChangeType),
		ChangeQuantity:   log.ChangeQuantity,
		BeforeQuantity:   log.BeforeQuantity,
		AfterQuantity:    log.AfterQuantity,
		RelatedOrderType: log.RelatedOrderType,
		RelatedOrderNo:   log.RelatedOrderNo,
		Operator:         log.Operator,
		OperatorID:       log.OperatorID,
		Remark:           log.Remark,
		CreatedAt:        log.CreatedAt,
	}
}

// ConvertStockCheckToItem 将盘库单转换为响应项
func ConvertStockCheckToItem(
	check models.StockCheck, warehouseName string,
) StockCheckItem {
	return StockCheckItem{
		ID:             check.ID,
		CheckNo:        check.CheckNo,
		WarehouseID:    check.WarehouseID,
		WarehouseName:  warehouseName,
		CheckType:      check.CheckType,
		CheckTypeText:  GetStockCheckTypeText(check.CheckType),
		Status:         check.Status,
		StatusText:     GetStockCheckStatusText(check.Status),
		TotalItems:     check.TotalItems,
		CheckedItems:   check.CheckedItems,
		TotalQuantity:  check.TotalQuantity,
		ActualQuantity: check.ActualQuantity,
		Operator:       check.Operator,
		OperatorID:     check.OperatorID,
		Remark:         check.Remark,
		CreatedAt:      check.CreatedAt,
		UpdatedAt:      check.UpdatedAt,
	}
}

// GetInventoryChangeTypeText 获取库存变动类型文本
func GetInventoryChangeTypeText(changeType int8) string {
	typeMap := map[int8]string{
		1: "入库",
		2: "出库",
		3: "移库",
		4: "盘点调整",
		5: "锁定库存",
		6: "解锁库存",
	}
	if text, ok := typeMap[changeType]; ok {
		return text
	}
	return "未知"
}

// GetStockCheckTypeText 获取盘点类型文本
func GetStockCheckTypeText(checkType int8) string {
	typeMap := map[int8]string{
		1: "全盘",
		2: "抽盘",
	}
	if text, ok := typeMap[checkType]; ok {
		return text
	}
	return "未知"
}

// GetStockCheckStatusText 获取盘点状态文本
func GetStockCheckStatusText(status int8) string {
	statusMap := map[int8]string{
		1: "待盘点",
		2: "盘点中",
		3: "已完成",
		4: "已取消",
	}
	if text, ok := statusMap[status]; ok {
		return text
	}
	return "未知"
}

// GetStockCheckItemStatusText 获取盘点明细状态文本
func GetStockCheckItemStatusText(status int8) string {
	statusMap := map[int8]string{
		1: "待盘点",
		2: "已盘点",
	}
	if text, ok := statusMap[status]; ok {
		return text
	}
	return "未知"
}