import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  ManyToOne,
  JoinColumn,
  Index,
} from 'typeorm';
import { TgAccount } from './tg-account.entity';

export enum ChatType {
  PRIVATE = 'private',
  GROUP = 'group',
  SUPERGROUP = 'supergroup',
  CHANNEL = 'channel',
  SECRET = 'secret',
}

@Entity('tg_chats')
@Index('IDX_tg_chat_account_identity', ['accountId', 'tgChatId'], { unique: true })
export class TgChat {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column()
  accountId: string;

  @ManyToOne(() => TgAccount, (account) => account.chats)
  @JoinColumn({ name: 'accountId' })
  account: TgAccount;

  @Column({ type: 'bigint' })
  tgChatId: number;

  @Column({ type: 'varchar', length: 50 })
  type: ChatType;

  @Column({ length: 500 })
  title: string;

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

  @Column({ type: 'bigint', default: 0 })
  lastMessageId: number;

  @Column({ nullable: true })
  lastMessageDate: Date;

  @Column({ type: 'int', default: 0 })
  unreadCount: number;

  @Column({ type: 'text', nullable: true, transformer: { to: (v) => v ? JSON.stringify(v) : null, from: (v) => v ? JSON.parse(v) : null } })
  photo: Record<string, unknown>;

  @Column({ type: 'text', nullable: true, transformer: { to: (v) => v ? JSON.stringify(v) : null, from: (v) => v ? JSON.parse(v) : null } })
  raw: Record<string, unknown>;

  @CreateDateColumn()
  createdAt: Date;

  @UpdateDateColumn()
  updatedAt: Date;
}