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[];
}