import {
  Entity,
  PrimaryColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  Index,
} from 'typeorm';

export type InboxSource = 'all' | 'user';

export interface StoredQrCode {
  page: number;
  value: string;
}

@Entity('inbox_documents')
@Index(['Source', 'OwnerUsername'])
export class InboxDocument {
  @PrimaryColumn({ type: 'char', length: 36 })
  Id!: string;

  @Column({ type: 'varchar', length: 255 })
  OriginalName!: string;

  @Column({ type: 'varchar', length: 10 })
  Source!: InboxSource;

  @Column({ type: 'varchar', length: 100, nullable: true })
  OwnerUsername!: string | null;

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

  @Column({ type: 'json' })
  QrCodes!: StoredQrCode[];

  @Column({
    type: 'json',
    nullable: true,
    transformer: {
      to: (v: number[] | null | undefined) => (v && v.length ? v : null),
      from: (v: number[] | null) => v ?? [],
    },
  })
  DeletedPages!: number[];

  @Column({
    type: 'json',
    nullable: true,
    transformer: {
      to: (v: Record<string, number> | null | undefined) =>
        v && Object.keys(v).length ? v : null,
      from: (v: Record<string, number> | null) => v ?? {},
    },
  })
  Rotations!: Record<string, number>;

  @CreateDateColumn()
  CreatedAt!: Date;

  @UpdateDateColumn()
  UpdatedAt!: Date;
}