/**
 * @description 字典项
 * @author ZKS
 * @date 2025-11-27
 */
import { Dict } from './dict.entity';
import { Product } from './product.entity';
import {
  Column,
  CreateDateColumn,
  Entity,
  Index,
  JoinColumn,
  ManyToMany,
  ManyToOne,
  PrimaryGeneratedColumn,
  UpdateDateColumn,
} from 'typeorm';

@Entity()
@Index(['name', 'dict'], { unique: true })
export class DictItem {
  // 主键
  @PrimaryGeneratedColumn()
  id: number;

  // 字典项名称
  @Column({ comment: '字典项显示名称' })
  title: string;
  // 目前没有单独做国际化, 所以这里先添加 titleCN 用来标注
  @Column({ comment: '字典项中文名称', nullable: true })
  titleCN: string;
  // 唯一标识
  @Column({ comment: '字典唯一标识名称' })
  name: string;

  @Column({ nullable: true, comment: '简称' })
  shortName: string;

  @Column({ nullable: true, comment: '字典项描述' })
  description?: string

  // 字典项值
  @Column({ nullable: true, comment: '字典项值' })
  value?: string;

  @Column({ nullable: true, comment: '图片' })
  image: string;
  
  // 排序
  @Column({ default: 0, comment: '排序' })
  sort: number;

  // 属于哪个字典
  @ManyToOne(() => Dict, dict => dict.items)
  @JoinColumn({ name: 'dict_id' })
  dict: Dict;

  // 关联的产品
  @ManyToMany(() => Product, product => product.attributes)
  products: Product[];

  // 创建时间
  @CreateDateColumn()
  createdAt: Date;

  // 更新时间
  @UpdateDateColumn()
  updatedAt: Date;
}