import {
  Entity,
  Column,
  PrimaryGeneratedColumn,
  Unique,
  CreateDateColumn,
  UpdateDateColumn,
} from 'typeorm';
import { ApiProperty } from '@midwayjs/swagger';

@Entity('variation')
@Unique(['siteId', 'externalProductId', 'externalVariationId']) // 确保变体的唯一性
export class Variation {
  @ApiProperty({
    example: '1',
    description: 'ID',
    type: 'number',
    required: true,
  })
  @PrimaryGeneratedColumn()
  id: number;

  @ApiProperty({
    example: '1',
    description: 'wp网站ID',
    type: 'string',
    required: true,
  })
  @Column()
  siteId: string; // 来源站点唯一标识

  @ApiProperty({
    example: '1',
    description: 'wp产品ID',
    type: 'string',
    required: true,
  })
  @Column()
  externalProductId: string; // WooCommerce 产品 ID

  @ApiProperty({
    example: '1',
    description: 'wp变体ID',
    type: 'string',
    required: true,
  })
  @Column()
  externalVariationId: string; // WooCommerce 变体 ID

  @ApiProperty({
    example: '1',
    description: '对应WP产品表的ID',
    type: 'number',
    required: true,
  })
  @Column()
  productId: number; // 对应WP产品表的 ID

  @ApiProperty({ description: 'sku', type: 'string' })
  @Column({ nullable: true })
  sku?: string; // sku 编码

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

  @ApiProperty({ description: '常规价格', type: Number })
  @Column('decimal', { precision: 10, scale: 2, nullable: true })
  regular_price: number; // 常规价格

  @ApiProperty({ description: '销售价格', type: Number })
  @Column('decimal', { precision: 10, scale: 2, nullable: true })
  sale_price: number; // 销售价格

  @ApiProperty({ description: '是否促销中', type: Boolean })
  @Column({ nullable: true, type: Boolean })
  on_sale: boolean; // 是否促销中

  @Column({ type: 'json', nullable: true })
  attributes: Record<string, any>; // 变体的属性

  @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;

  @ApiProperty({
    description: '变体构成成分',
    type: 'array',
    items: {
      type: 'object',
      properties: {
        sku: { type: 'string' },
        quantity: { type: 'number' },
      },
    },
  })
  @Column('json', { nullable: true, comment: '变体构成成分' })
  constitution: { sku: string; quantity: number }[] | null;
}