schema.js

var { buildSchema } = require('graphql');
var { MoviesList } = require('./movie-list');

var schema = buildSchema(`
  type Query {
    movieInfo(id: Int!): Movie
    movieList(rate: String): [Movie]
  },
  type Movie {
    id: Int
    title: String
    rate: String
    year: Int
}
`);


var getMovie = function(args) { 
  var id = args.id;
  return MoviesList.filter(movie => {
      return movie.id == id;
  })[0];
}
var getMovies = function(args) {
  if (args.rate) {
    var rate = args.rate;
    return MoviesList.filter(movie => movie.rate === rate);
  } else {
    return MoviesList;
  }
}

var root = {
  movieInfo: getMovie,
  movieList: getMovies,
};

module.exports = {
 schema: schema,
 root: root
}