import {
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  Entity,
  ManyToOne,
  JoinColumn,
} from 'typeorm';
import { ApiProperty } from '@midwayjs/swagger';
import { Site } from './site.entity';
import { Product } from './product.entity';

@Entity('site_product')
export class SiteProduct {
  @ApiProperty({
    example: '12345',
    description: '站点商品ID',
    type: 'string',
    required: true,
  })
  @Column({ primary: true })
  id: string;
  
  @ApiProperty({ description: '站点ID' })
  @Column()
  siteId: number;

  @ApiProperty({ description: '商品ID' })
  @Column({ nullable: true })
  productId: number;

  @ApiProperty({ description: 'sku'})
  @Column()
  sku: string;

  @ApiProperty({ description: '类型' })
  @Column({ length: 16, default: 'single' })
  type: string;

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

  @ApiProperty({ description: '产品图片' })
  @Column({ default: '' })
  image: string;

  @ApiProperty({ description: '父商品ID', example: '12345' })
  @Column({ nullable: true })
  parentId: string;

  // 站点关联
  @ManyToOne(() => Site, site => site.id)
  @JoinColumn({ name: 'siteId' })
  site: Site;

  // 商品关联
  @ManyToOne(() => Product, product => product.id)
  @JoinColumn({ name: 'productId' })
  product: Product;

  // 父商品关联
  @ManyToOne(() => SiteProduct, siteProduct => siteProduct.id)
  @JoinColumn({ name: 'parentId' })
  parent: SiteProduct;

  @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;
}