import { Context, Parent, ResolveField, Resolver } from '@nestjs/graphql';
import { Person } from '../models/Person';
import { Client } from '../../client';
import { UUID } from '../../global/scalars/UUID';
import {EmailAddress} from '../../global/scalars/EmailAddress'

@Resolver(() => Person)
export class PersonResolver {
  @ResolveField(() => UUID, { nullable: false })
  async _id(
    @Context('client') client: Client,
    @Parent() parent: Person
  ): Promise<UUID> {
    return parent._id as UUID;
  }

  @ResolveField(() => String, { nullable: false })
  async givenName(
    @Context('client') client: Client,
    @Parent() parent: Person
  ): Promise<string> {
    return parent.givenName;
  }

  @ResolveField(() => String, { nullable: false })
  async familyName(
    @Context('client') client: Client,
    @Parent() parent: Person
  ): Promise<string> {
    return parent.familyName;
  }

  @ResolveField(() => String, { nullable: true })
  async token(
    @Context('client') client: Client,
    @Parent() parent: Person
  ): Promise<string> {
    if (!client.isSelf(parent._id)) return null;
    return client.getToken();
  }

  @ResolveField(() => EmailAddress, { nullable: true })
  async email(
    @Context('client') client: Client,
    @Parent() parent: Person
  ): Promise<EmailAddress> {
    if (!client.isMaster() && !client.isSelf(parent._id)) return null;
    return parent.email;
  }
}