package models

import (
	"fmt"
	"gorm.io/datatypes"
)

// ProductBook 商品书籍分表（按ISBN后两位分表 product_book_00 ~ product_book_99）
type ProductBook struct {
	ID                 int64          `json:"id" gorm:"primarykey;comment:自增ID"`
	SelfID             int64          `json:"self_id" gorm:"not null;default:0;comment:再分库商品表中的商品ID"`
	CategoryID         int64          `json:"category_id" gorm:"not null;default:0;comment:分类ID"`
	AboutId            int64          `json:"about_id" gorm:"not null;default:0;index;comment:关联ID"`
	WarehouseID        int64          `json:"warehouse_id" gorm:"not null;default:0;index;comment:仓库ID"`
	WarehouseName      string         `json:"warehouse_name" gorm:"size:100;not null;default:'';comment:仓库名称"`
	LocationID         int64          `json:"location_id" gorm:"not null;default:0;index;comment:货位ID"`
	LocationName       string         `json:"location_name" gorm:"size:50;not null;default:'';comment:货位名称"`
	StandardProductID  int64          `json:"standard_product_id" gorm:"not null;default:0;index;comment:关联标品ID"`
	Fid                int64          `json:"fid" gorm:"not null;default:0;comment:父级ID"`
	Type               int8           `json:"type" gorm:"not null;default:0;comment:类型 1正常 2套装书 3一号多书 4无书号"`
	ISBN               string         `json:"isbn" gorm:"size:20;not null;default:'';index:idx_isbn;comment:ISBN"`
	FISBN              string         `json:"f_isbn" gorm:"size:20;not null;default:'';comment:FISBN"`
	BookName           string         `json:"book_name" gorm:"size:100;not null;default:'';comment:书名"`
	FBookName          string         `json:"f_book_name" gorm:"size:100;not null;default:'';comment:副书名"`
	Author             string         `json:"author" gorm:"size:100;not null;default:'';comment:作者"`
	Publishing         string         `json:"publishing" gorm:"size:50;not null;default:'';comment:出版社"`
	PublicationTime    int64          `json:"publication_time" gorm:"type:bigint;not null;default:0;comment:出版日期时间戳"`
	Binding            string         `json:"binding" gorm:"size:10;not null;default:'';comment:装帧"`
	PagesCount         int64          `json:"pages_count" gorm:"not null;default:0;comment:页数"`
	WordsCount         int64          `json:"words_count" gorm:"not null;default:0;comment:字数"`
	Format             int64          `json:"format" gorm:"not null;default:0;comment:开本"`
	CatID              datatypes.JSON `json:"cat_id" gorm:"type:json;not null;comment:类目json"`
	Name               string         `json:"name" gorm:"size:255;not null;default:'';comment:商品名称"`
	Appearance         int64          `json:"appearance" gorm:"not null;default:0;comment:品相"`
	Barcode            string         `json:"barcode" gorm:"size:100;not null;default:'';index;comment:条码"`
	Price              int64          `json:"price" gorm:"not null;default:0;comment:价格"`
	SalePrice          int64          `json:"sale_price" gorm:"not null;default:0;comment:书价"`
	Cost               int64          `json:"cost" gorm:"not null;default:0;comment:最低运费"`
	LiveImage          datatypes.JSON `json:"live_image" gorm:"type:json;not null;comment:实拍图json"`
	IsBatchManaged     int8           `json:"is_batch_managed" gorm:"type:tinyint(1);not null;default:0;comment:是否批次管理(0:否,1:是)"`
	IsShelfLifeManaged int8           `json:"is_shelf_life_managed" gorm:"type:tinyint(1);not null;default:0;comment:是否效期管理(0:否,1:是)"`
	Status             int8           `json:"status" gorm:"type:tinyint(1);not null;default:1;comment:状态(0:禁用,1:启用)"`
	CreatedAt          int64          `json:"created_at" gorm:"type:bigint;not null;default:0;comment:创建时间戳"`
	UpdatedAt          int64          `json:"updated_at" gorm:"type:bigint;not null;default:0;comment:更新时间戳"`
	IsDel              int8           `json:"is_del" gorm:"not null;default:0;comment:逻辑删除"`
}

func (ProductBook) TableName() string {
	return "product_book_00"
}

func (ProductBook) TableOptions() string {
	return "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='商品书籍分表'"
}

// ProductBookTableName 根据ISBN后两位获取分表名
func ProductBookTableName(isbn string) string {
	suffix := "00"
	if len(isbn) >= 2 {
		suffix = isbn[len(isbn)-2:]
	}
	return fmt.Sprintf("product_book_%s", suffix)
}

// ProductBookAllTableNames 获取所有分表名（00~99）
func ProductBookAllTableNames() []string {
	names := make([]string, 0, 100)
	for i := 0; i < 100; i++ {
		names = append(names, fmt.Sprintf("product_book_%02d", i))
	}
	return names
}