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

import { authenticateQuery } from '../../../schema/authenticate-query';
import { Recipe } from '../recipe-model';
import { RecipeType } from '.';

/**
 * Fetch a single Recipe
 */
export const recipeQF = queryField('recipe', {
  type: 'Recipe',
  args: { id: idArg({ description: 'id of the post' }) },
  resolve: async (root, args, ctx, info) => {
    // Auth
    const { abilities } = authenticateQuery(ctx);

    // Resolve
    const recipe = await Recipe.findById(args.id)
      .accessibleBy(abilities)
      .catch(err => {
        if (err instanceof Error.CastError) {
          throw new UserInputError('Invalid Properties');
        }
        throw new ApolloError('Unknown Error');
      });

    if (recipe === null) throw new ForbiddenError('Recipe Not Found');

    return recipe;
  },
});