import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  ManyToOne,
  JoinColumn,
  OneToMany,
} from 'typeorm';
import { AppointmentStatus } from '../common/enums';
import { Group } from './group.entity';
import { Game } from './game.entity';
import { User } from './user.entity';
import { AppointmentParticipant } from './appointment-participant.entity';

@Entity('appointments')
export class Appointment {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column()
  groupId: string;

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

  @Column()
  gameId: string;

  @ManyToOne(() => Game, (game) => game.appointments)
  @JoinColumn({ name: 'gameId' })
  game: Game;

  @Column()
  initiatorId: string;

  @ManyToOne(() => User, (user) => user.appointments)
  @JoinColumn({ name: 'initiatorId' })
  initiator: User;

  @Column({ type: 'varchar', length: 200, nullable: true })
  title: string;

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

  @Column({ type: 'datetime' })
  startTime: Date;

  @Column({ type: 'datetime', nullable: true })
  endTime: Date;

  @Column({ comment: '最大参与人数' })
  maxParticipants: number;

  @Column({ default: 0, comment: '当前参与人数' })
  currentParticipants: number;

  @Column({
    type: 'enum',
    enum: AppointmentStatus,
    default: AppointmentStatus.OPEN,
  })
  status: AppointmentStatus;

  @CreateDateColumn()
  createdAt: Date;

  @UpdateDateColumn()
  updatedAt: Date;

  @OneToMany(
    () => AppointmentParticipant,
    (participant) => participant.appointment,
  )
  participants: AppointmentParticipant[];
}