const {
  GraphQLObjectType,
  GraphQLNonNull,
  GraphQLString,
  GraphQLInt,
  GraphQLID,
  GraphQLList
} = require('graphql');
const {Song} = require('../../db/models');
const singerType = require('../queries/singer');


const SongType = new GraphQLObjectType({
  name: 'Song',
  description: 'This is Song Type',
  fields: {
    id: {
      type: new GraphQLNonNull(GraphQLID),
    },
    title: {
      type: new GraphQLNonNull(GraphQLString),
    },
    year: {
      type: new GraphQLNonNull(GraphQLInt),
    },
    duration: {
      type: new GraphQLNonNull(GraphQLInt),
    },
    size: {
      type: new GraphQLNonNull(GraphQLInt),
    },
    filePath: {
      type: GraphQLInt
    },
    bitRate: {
      type: GraphQLInt
    },
    singers: {
      type: new GraphQLList(singerType),
    }
  },
  args: {
    id: new GraphQLNonNull(GraphQLID)
  },
  resolve: (root, {id}) => {
    const song = Song.findById(id).exec();
    if(!song) {
      throw new Error('Error')
    }
    return song
  }
});

module.exports = SongType;

const {
  GraphQLObjectType,
  GraphQLNonNull,
  GraphQLString,
  GraphQLID,
  GraphQLList
} = require('graphql');
const {Singer} = require('../../db/models');
const SongType = require('../queries/song');


const SingerType = new GraphQLObjectType({
  name: 'Singer',
  description: 'This is Singer Type',
  fields: {
    id: {
      type: new GraphQLNonNull(GraphQLID),
    },
    fullName: {
      type: new GraphQLNonNull(GraphQLString),
    },
    songs: {
      type: new GraphQLList(SongType)
    }
  },
  args: {
    id: new GraphQLNonNull(GraphQLID)
  },
  resolve: (root, {id}) => {
    const singer = Singer.findById(id).exec();
    if(!singer) {
      throw new Error('Error')
    }
    return singer
  }
});

module.exports = SingerType;