import { injectable } from 'inversify';
import { Copy } from '../../../entities/library/copy';
import { Site } from '../../../entities/library/site';
import { getDeserializedEntitiesPromise, getDeserializedEntityPromise } from '../get-deserialized';
import { serializeEntitiesPromise, serializeEntityPromise } from '../serialize-entity-promise';
import { Serializer } from '../serializer';

injectable();
export class SourceSerializer extends Serializer<SourceEntityInterface, SourceSerializedInterface> {
  public async serialize(entity: SourceEntityInterface): Promise<SourceSerializedInterface> {
    const [copies, site] = await Promise.all([
      serializeEntitiesPromise(entity.copies),
      serializeEntityPromise(entity.site),
    ]);

    return {
      id: entity.id,
      uri: entity.uri,
      copies,
      site,
    };
  }

  public deserialize(partial: Partial<SourceSerializedInterface>): Partial<SourceEntityInterface> {
    return {
      ...(partial.id ? { id: partial.id } : {}),
      ...(partial.uri ? { uri: partial.uri } : {}),
      ...(partial.site ? { site: getDeserializedEntityPromise(partial.site, Site) } : {}),
      ...(partial.copies ? { copies: getDeserializedEntitiesPromise(partial.copies, Copy) } : {}),
    };
  }
}