import { WorkCharacter } from './work-character';
import { World } from './world';
import { WorldCharacterName } from './world-character-name';
import { Column, Entity, ManyToMany, OneToMany, PrimaryGeneratedColumn } from 'typeorm';

/**
 * This entity describes a canon character in a fictional world.
 */
@Entity()
export class WorldCharacter implements IIdentifiableEntity, IMultiNamedEntity, IHierachicalEntity<WorldCharacter> {
  @PrimaryGeneratedColumn()
  public id: number;

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

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

  /**
   * the characters in works which are based on this one
   */
  @ManyToMany(
    () => WorkCharacter,
    (workCharacter: WorkCharacter) => workCharacter.worldCharacters
  )
  public workCharacters: Promise<WorkCharacter[]>;

  /**
   * the fictional worlds this character is a part of
   */
  @ManyToMany(
    () => World,
    (world: World) => world.worldCharacters
  )
  public worlds: Promise<World[]>;

  @ManyToMany(
    () => WorldCharacter,
    (worldCharacter: WorldCharacter) => worldCharacter.children
  )
  public parents: Promise<WorldCharacter[]>;

  @ManyToMany(
    () => WorldCharacter,
    (worldCharacter: WorldCharacter) => worldCharacter.parents
  )
  public children: Promise<WorldCharacter[]>;
}