import Page from '../../Page/entity/Page';
import ValidableInterface from '../../common/interfaces/ValidableInterface';
import Tag from '../../Tag/entity/Tag';

export default abstract class Product extends Page implements ValidableInterface {
  protected _tags: Array<Tag> = [];

  get tags(): Array<Tag> {
    return this._tags;
  }

  set tags(value: Array<Tag>) {
    this._tags = value;
  }

  invalidFields(prefix: string = ''): Array<string> {
    let fields = super.invalidFields('page__');

    this.tags.length === 0 && fields.push(`${prefix}tags`);

    return fields;
  }
}