import { IdentityContext } from '@app/server/identity';
import { prisma } from '@app/server/prisma/client';
import { QueryUserOneArgs, User } from '@generated/types';
import { toUserSchema } from './mappers/userMapper';

export async function UserOneResolver(
  _: any,
  { input }: QueryUserOneArgs,
  { identity }: IdentityContext
): Promise<User> {
  if (input.id == null && input.username == null) throw new Error('Invalid user input.');
  if (input.id != null && input.username != null) throw new Error('Invalid user input.');

  const model = await prisma.user.findUniqueOrThrow({
    where: {
      id: input.id != null ? input.id : undefined,
      username: input.username != null ? input.username : undefined
    }
  });
  return toUserSchema(model);
}