import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  ManyToOne,
  JoinColumn,
  Unique,
} from 'typeorm';
import { GroupMemberRole } from '../common/enums';
import { User } from './user.entity';
import { Group } from './group.entity';

@Entity('group_members')
@Unique(['groupId', 'userId'])
export class GroupMember {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column()
  groupId: string;

  @ManyToOne(() => Group, (group) => group.members, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'groupId' })
  group: Group;

  @Column()
  userId: string;

  @ManyToOne(() => User, (user) => user.groupMembers, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'userId' })
  user: User;

  @Column({
    type: 'enum',
    enum: GroupMemberRole,
    default: GroupMemberRole.MEMBER,
  })
  role: GroupMemberRole;

  @Column({ type: 'varchar', nullable: true, length: 50, comment: '组内昵称' })
  nickname: string;

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

  @CreateDateColumn()
  joinedAt: Date;
}