import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  ManyToOne,
  JoinColumn,
  OneToMany,
} from 'typeorm';
import { User } from './user.entity';
import { GroupMember } from './group-member.entity';
import { Appointment } from './appointment.entity';

@Entity('groups')
export class Group {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column({ length: 100 })
  name: string;

  @Column({ type: 'text', nullable: true })
  description: string;

  @Column({ type: 'varchar', nullable: true, length: 255 })
  avatar: string;

  @Column()
  ownerId: string;

  @ManyToOne(() => User)
  @JoinColumn({ name: 'ownerId' })
  owner: User;

  @Column({ default: 'normal', length: 20, comment: '类型: normal/guild' })
  type: string;

  @Column({ nullable: true, comment: '父组ID，用于子组' })
  parentId: string;

  @ManyToOne(() => Group, { nullable: true })
  @JoinColumn({ name: 'parentId' })
  parent: Group;

  @Column({ type: 'text', nullable: true, comment: '公示信息' })
  announcement: string;

  @Column({ default: 50, comment: '最大成员数' })
  maxMembers: number;

  @Column({ default: 1, comment: '当前成员数' })
  currentMembers: number;

  @Column({ default: true })
  isActive: boolean;

  @CreateDateColumn()
  createdAt: Date;

  @UpdateDateColumn()
  updatedAt: Date;

  @OneToMany(() => GroupMember, (member) => member.group)
  members: GroupMember[];

  @OneToMany(() => Appointment, (appointment) => appointment.group)
  appointments: Appointment[];
}