import { Column, Entity, ManyToMany, OneToMany, PrimaryGeneratedColumn } from 'typeorm';
import { AuthorRoleName } from './author-role-name';
import { WorkAuthor } from './work-author';

/**
 * This entity describes the role an author has in a work.
 * Examples: story writing, drawing, animating, publishing, ...
 */
@Entity()
export class AuthorRole implements IIdentifiableEntity, IMultiNamedEntity, IDescribableEntity {
  @PrimaryGeneratedColumn()
  public id: number;

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

  @OneToMany(() => AuthorRoleName, (authorRoleName: AuthorRoleName) => authorRoleName.entity)
  public names: Promise<AuthorRoleName[]>;

  /**
   * relation to the entity connecting with the author and work
   */
  @ManyToMany(() => WorkAuthor, (workAuthor: WorkAuthor) => workAuthor.authorRoles)
  public workAuthors: Promise<WorkAuthor[]>;

  @Column()
  public description: string;
}