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;
}