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

import { authenticateQuery } from '../../../schema/authenticate-query';
import { IngredientItemType, IngredientInputType } from '.';
import { Recipe } from '../../../app/recipe';

export const AddIngredientInputType = inputObjectType({
  name: 'AddIngredientInput',
  definition(t) {
    t.id('recipeId', {
      required: true,
      description: 'ID of the recipe you are adding to',
    });
    t.field('ingredient', { type: IngredientInputType, required: true });
    t.int('order');
    t.id('groupId');
  },
});

/**
 * Fetch a single Recipe
 */

export const addIngredientMF = mutationField('addIngredient', {
  type: 'IngredientItem',
  args: {
    input: arg({ type: AddIngredientInputType, description: 'Recipe Details' }),
  },
  resolve: async (root, args, ctx, info) => {
    const { abilities } = authenticateQuery(ctx);
    const { order, groupId, ingredient, recipeId } = args.input;
    // find recipe
    const recipe = await Recipe.findById(recipeId).accessibleBy(abilities);

    if (recipe == null) {
      throw new ForbiddenError(
        'You do not have access to this recipe, or it does not exist'
      );
    }

    if (!recipe.ingredientList) {
      recipe.set('ingredientList', {});
    }

    const newIngredient = recipe.ingredientList.addIngredient(ingredient, {
      order,
      groupId,
    });

    await recipe.save();

    return newIngredient;
  },
});