import {
  ApolloError,
  UserInputError,
  ForbiddenError,
} from 'apollo-server-micro';
import { Error } from 'mongoose';
import { idArg, mutationField } from '@nexus/schema';

import { authenticateQuery } from '../../../schema/authenticate-query';
import { User } from '../user-model';
import { UserType } from './index';

export const deleteUserMF = mutationField('deleteUser', {
  type: 'User',
  args: {
    id: idArg({ description: 'The ID of the User' }),
  },
  resolve: async (root, args, ctx) => {
    authenticateQuery(ctx);

    const deletedRecipe = await User.findByIdAndDelete(args.id)
      .accessibleBy(ctx.state.abilities, 'delete')
      .catch(err => {
        if (err instanceof Error.CastError) {
          throw new UserInputError('Invalid Properties');
        }
        throw new ApolloError('Unknown Error');
      });

    // No recipe was found OR Not permitted
    if (deletedRecipe === null)
      throw new ForbiddenError('Unable to delete recipe');

    return deletedRecipe;
  },
});