import { inputObjectType, mutationField, arg, FieldResolver } from '@nexus/schema';
import { ApolloError, AuthenticationError } from 'apollo-server-micro';

import { authenticateQuery } from '../../../schema/authenticate-query';
import { RecipeCollection } from '../collection-model';

export const DeleteRecipeCollectionIputType = inputObjectType({
  name: 'DeleteRecipeCollectionInput',
  definition(t) {
    t.id('id', { description: 'Array of Recipe IDs' });
  },
});

/**
 * Delete a new RecipeCollection
 */
export const deleteRecipeCollection: FieldResolver<
  'Mutation',
  'deleteRecipeCollection'
> = async (root, args, ctx, info) => {
  // Auth
  authenticateQuery(ctx);

  const { id } = args.input;

  // Execute
  const deletedCollection = await RecipeCollection.findByIdAndDelete(id)
    .accessibleBy(ctx.state.abilities, 'delete')
    .populate('nodes.recipe')
    .catch(err => {
      throw new ApolloError('Unknown Error');
    });

  if (deletedCollection === null) {
    throw new AuthenticationError('Unable to Delete RecpeCollection');
  }

  return deletedCollection;
};

/**
 * Delete RecipeCollection Mutation
 */
export const deleteRecipeCollectionMF = mutationField(
  'deleteRecipeCollection',
  {
    type: 'RecipeCollection',
    args: {
      input: arg({
        type: DeleteRecipeCollectionIputType,
      }),
    },
    resolve: deleteRecipeCollection,
  }
);