import { buildSchema, graphql } from "graphql";

// Construct a schema, using GraphQL schema language
let graphqlSchema = buildSchema(`
  type Query {
    recipes: [Recipe]
    recipes_by_pk(id: Int!): Recipe
  }
  type Recipe {
    id: ID!
    name: String!
    imageUrl: String
    recipeUrl: String
    ingredients: String
    instructions: String
  }
  type recipes_insert_input {
    id: Int
    imageUrl: String
    ingredients: String
    instructions: String
    name: String
    recipeUrl: String
  }
  type Mutation {
    insert_recipes(objects: [recipes_insert_input!]!): Recipe!
  }
`);

export default function() {
  this.urlPrefix = "https://samselikoff-recipes-backend.herokuapp.com";

  this.post("/v1/graphql", (schema, request) => {
    let requestJson = JSON.parse(request.requestBody);
    let query = requestJson.query;
    let variables = requestJson.variables;

    let resolver = {
      recipes() {
        return schema.db.recipes;
      },

      recipes_by_pk(args) {
        return schema.db.recipes.find(args.id);
      }
    };

    return graphql(graphqlSchema, query, resolver, null, variables).then(
      response => {
        return response;
      }
    );
  });
}