import { Column, Entity, OneToMany, PrimaryGeneratedColumn } from 'typeorm';
import { Transformation } from './transformation';
import { TransformationTypeName } from './transformation-type-name';

@Entity()
export class TransformationType implements TransformationTypeEntityInterface {
  @PrimaryGeneratedColumn()
  public readonly id!: number;

  @Column({
    nullable: false,
    default: '',
  })
  public nameCanonical!: string;

  @OneToMany(
    () => TransformationTypeName,
    (transformationTypeName: TransformationTypeNameEntityInterface) => transformationTypeName.entity,
    {}
  )
  public names!: Promise<TransformationTypeNameEntityInterface[]>;

  @Column({
    nullable: false,
    default: '',
  })
  public description!: string;

  /**
   * the transformations of this type
   */
  @OneToMany(() => Transformation, (transformation: TransformationEntityInterface) => transformation.type)
  public transformations!: Promise<TransformationEntityInterface[]>;

  /**
   * if that transformation conserves the tags of the original work
   */
  @Column({
    nullable: false,
    default: false,
  })
  public conservesTags!: boolean;
}