import { PercentCheck } from '../decorators/percent-check';
import { Tag } from './tag';
import { WorkCharacter } from './work-character';
import { Column, Entity, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';

/**
 * This tag entity tags a character in a work.
 */
@Entity()
@PercentCheck('weight')
export class CharacterTag implements IIdentifiableEntity, IWeightedEntity {
  @PrimaryGeneratedColumn()
  public id: number;

  /**
   * the character ina work this tag describes
   */
  @ManyToOne(
    () => WorkCharacter,
    (workCharacter: WorkCharacter) => workCharacter.characterTags,
    {
      nullable: false,
      onDelete: 'CASCADE',
      onUpdate: 'CASCADE',
    }
  )
  public workCharacter: Promise<WorkCharacter>;

  /**
   * the describing tag
   */
  @ManyToOne(
    () => Tag,
    (tag: Tag) => tag.characterTags,
    {
      nullable: false,
      onDelete: 'CASCADE',
      onUpdate: 'CASCADE',
    }
  )
  public tag: Promise<Tag>;

  @Column()
  public weight: number;
}