import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, ManyToOne, JoinColumn } from 'typeorm';
import { File } from '@/server/modules/files/file.entity';

@Entity('advertisements')
export class Advertisement {
  @PrimaryGeneratedColumn({ unsigned: true })
  id!: number;

  @Column({ name: 'position_id', type: 'int', unsigned: true, comment: '广告位ID' })
  positionId!: number;

  @Column({ name: 'link_url', type: 'text', comment: '链接地址' })
  linkUrl!: string;

  @Column({ name: 'image_file_id', type: 'int', unsigned: true, nullable: true, comment: '图片文件ID' })
  imageFileId!: number | null;

  @ManyToOne(() => File, { nullable: true })
  @JoinColumn({ name: 'image_file_id', referencedColumnName: 'id' })
  imageFile!: File | null;

  @Column({ name: 'title', type: 'varchar', length: 255, comment: '广告标题' })
  title!: string;

  @Column({ name: 'sort_order', type: 'int', default: 0, comment: '排序值' })
  sortOrder!: number;

  @Column({ name: 'is_enabled', type: 'tinyint', default: 1, comment: '是否启用：0-禁用，1-启用' })
  isEnabled!: number;

  @Column({ name: 'is_deleted', type: 'tinyint', default: 0, comment: '是否删除：0-未删除，1-已删除' })
  isDeleted!: number;

  @Column({ name: 'start_time', type: 'timestamp', nullable: true, comment: '开始时间' })
  startTime!: Date | null;

  @Column({ name: 'end_time', type: 'timestamp', nullable: true, comment: '结束时间' })
  endTime!: Date | null;

  @Column({ name: 'description', type: 'text', nullable: true, comment: '广告描述' })
  description!: string | null;

  @Column({ name: 'created_by', type: 'int', unsigned: true, nullable: true, comment: '创建用户ID' })
  createdBy!: number | null;

  @Column({ name: 'updated_by', type: 'int', unsigned: true, nullable: true, comment: '更新用户ID' })
  updatedBy!: number | null;

  @CreateDateColumn({ name: 'created_at', type: 'timestamp' })
  createdAt!: Date;

  @UpdateDateColumn({ name: 'updated_at', type: 'timestamp' })
  updatedAt!: Date;
}