import {
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  Entity,
  ManyToMany,
  JoinTable,
  OneToMany,
  ManyToOne,
  JoinColumn,
} from 'typeorm';
import { ApiProperty } from '@midwayjs/swagger';
import { DictItem } from './dict_item.entity';
import { ProductStockComponent } from './product_stock_component.entity';
import { ProductSiteSku } from './product_site_sku.entity';
import { Category } from './category.entity';

@Entity('product_v2')
export class Product {
  @ApiProperty({
    example: '1',
    description: 'ID',
    type: 'number',
    required: true,
  })
  @PrimaryGeneratedColumn()
  id: number;
  
  @ApiProperty({ description: 'sku'})
  @Column({ unique: true })
  sku: string;
  // 类型  主要用来区分混装和单品 单品死
  @ApiProperty({ description: '类型' })
  @Column({ length: 16, default: 'single' })
  type: string;

  @ApiProperty({
    example: 'ZYN 6MG WINTERGREEN',
    description: '产品名称',
    type: 'string',
    required: true,
  })
  @Column()
  name: string;

  @ApiProperty({ description: '产品中文名称' })
  @Column({ default: '' })
  nameCn: string;

  @ApiProperty({ example: '产品简短描述', description: '产品简短描述' })
  @Column({ nullable: true })
  shortDescription?: string;

  @ApiProperty({ example: '产品描述', description: '产品描述' })
  @Column({ nullable: true })
  description?: string;

  // 商品价格
  @ApiProperty({ description: '价格', example: 99.99 })
  @Column({ type: 'decimal', precision: 10, scale: 2, default: 0 })
  price: number;

  // 促销价格
  @ApiProperty({ description: '促销价格', example: 99.99 })
  @Column({ type: 'decimal', precision: 10, scale: 2, default: 0 })
  promotionPrice: number;




  // 分类关联
  @ManyToOne(() => Category, category => category.products)
  @JoinColumn({ name: 'categoryId' })
  category: Category;

  @ManyToMany(() => DictItem, dictItem => dictItem.products, {
    cascade: true,
  })
  @JoinTable()
  attributes: DictItem[];

  // 产品的库存组成,一对多关系(使用独立表)
  @ApiProperty({ description: '库存组成', type: ProductStockComponent, isArray: true })
  @OneToMany(() => ProductStockComponent, (component) => component.product, { cascade: true })
  components: ProductStockComponent[];

  @ApiProperty({ description: '站点 SKU 列表', type: ProductSiteSku, isArray: true })
  @OneToMany(() => ProductSiteSku, (siteSku) => siteSku.product, { cascade: true })
  siteSkus: ProductSiteSku[];

  // 来源
  @ApiProperty({ description: '来源', example: '1' })
  @Column({ default: 0 })
  source: number;

  @ApiProperty({
    example: '2022-12-12 11:11:11',
    description: '创建时间',
    required: true,
  })
  @CreateDateColumn()
  createdAt: Date;

  @ApiProperty({
    example: '2022-12-12 11:11:11',
    description: '更新时间',
    required: true,
  })
  @UpdateDateColumn()
  updatedAt: Date;
}