import {
  Column,
  CreateDateColumn,
  Entity,
  ManyToOne,
  OneToMany,
  PrimaryGeneratedColumn,
  UpdateDateColumn,
} from 'typeorm';
import { Article } from './article.entity';
import { ApiProperty } from '@nestjs/swagger';

@Entity()
export class CommentEntity {
  @ApiProperty({ description: '主键id', type: 'int' })
  @PrimaryGeneratedColumn()
  id: number;

  @ApiProperty({ description: 'key', type: 'string' })
  @Column({ unique: true, nullable: true })
  key: string;

  @ApiProperty({ description: 'score', type: 'number' })
  @Column('float', { nullable: true })
  score: number;

  @ApiProperty({ description: 'article', type: 'Article' })
  @ManyToOne((type) => Article, (Article) => Article.comments)
  article: Article;

  @ApiProperty({ description: 'content', type: 'string' })
  @Column('longtext', { nullable: true })
  content: string;

  @ApiProperty({ description: '创建时间', type: 'Date' })
  @CreateDateColumn({ type: 'timestamp' })
  createdTime: Date;

  @ApiProperty({ description: '修改时间', type: 'Date' })
  @UpdateDateColumn({ type: 'timestamp' })
  updatedTime: Date;

  @ApiProperty({ description: 'publishTime', type: 'Date' })
  @Column({ nullable: true })
  publishTime: Date;

  @ApiProperty({ description: '父级', type: 'CommentEntity' })
  @ManyToOne(
    (type) => CommentEntity,
    (commentEntity) => commentEntity.children,
    { nullable: true },
  )
  parent: CommentEntity;

  @ApiProperty({ description: '子级,多个', type: 'CommentEntity[]' })
  @OneToMany((type) => CommentEntity, (commentEntity) => commentEntity.parent)
  children: CommentEntity[];
}