require('chai').should();
import _ from 'lodash';

import songStore from '../../stores/song';
import albumStore from '../../stores/album';
import artistStore from '../../stores/artist';
import artists from '../blobs/media';
import interactions from '../blobs/interactions';

describe('stores/song', () => {
    beforeEach(() => {
        artistStore.init(artists);
    });

    describe('#init', () => {
        it('correctly gathers all songs', () => {
            songStore.state.songs.length.should.equal(14);
        });

        it ('coverts lengths to formatted lengths', () => {
            songStore.state.songs[0].fmtLength.should.be.a.string;
        });

        it('correctly sets albums', () => {
            songStore.state.songs[0].album.id.should.equal(1193);
        });
    });

    describe('#all', () => {
        it('correctly returns all songs', () => {
            songStore.all.length.should.equal(14);
        });
    });

    describe('#byId', () => {
        it('correctly gets a song by ID', () => {
            songStore.byId('e6d3977f3ffa147801ca5d1fdf6fa55e').title.should.equal('Like a rolling stone');
        });
    });

    describe('#byIds', () => {
        it('correctly gets multiple songs by IDs', () => {
            const songs = songStore.byIds(['e6d3977f3ffa147801ca5d1fdf6fa55e', 'aa16bbef6a9710eb9a0f41ecc534fad5']);
            songs[0].title.should.equal('Like a rolling stone');
            songs[1].title.should.equal("Knockin' on heaven's door");
        });
    });

    describe('#initInteractions', () => {
        beforeEach(() => songStore.initInteractions(interactions));

        it('correctly sets interaction status', () => {
            const song = songStore.byId('cb7edeac1f097143e65b1b2cde102482');
            song.liked.should.be.true;
            song.playCount.should.equal(3);
        });
    });

    describe('#syncUpdatedSong', () => {
        beforeEach(() => artistStore.init(artists));

        const updatedSong = {
            id: "39189f4545f9d5671fb3dc964f0080a0",
            album_id: 1193,
            title: "I Swear A Lot",
            album: {
                id: 1193,
                arist_id: 1,
                artist: {
                    id: 1,
                    name: 'All-4-One',
                },
            },
        };

        it ('correctly syncs an updated song with no album changes', () => {
            songStore.syncUpdatedSong(_.cloneDeep(updatedSong));
            songStore.byId(updatedSong.id).title.should.equal('I Swear A Lot');
        });

        it ('correctly syncs an updated song into an existing album of same artist', () => {
            const song = _.cloneDeep(updatedSong);
            song.album_id = 1194;
            song.album = {
                id: 1194,
                artist_id: 1,
                artist: {
                    id: 1,
                    name: 'All-4-One',
                },
            };

            songStore.syncUpdatedSong(song);
            songStore.byId(song.id).album.name.should.equal('And The Music Speaks');
        });

        it ('correctly syncs an updated song into a new album of same artist', () => {
            const song = _.cloneDeep(updatedSong);
            song.album_id = 9999;
            song.album = {
                id: 9999,
                artist_id: 1,
                name: 'Brand New Album from All-4-One',
                artist: {
                    id: 1,
                    name: 'All-4-One',
                },
            };

            songStore.syncUpdatedSong(song);

            // A new album should be created...
            _.last(albumStore.all).name.should.equal('Brand New Album from All-4-One');

            // ...and assigned with the song.
            songStore.byId(song.id).album.name.should.equal('Brand New Album from All-4-One');
        });

        it ('correctly syncs an updated song into a new album of a new artist', () => {
            const song = _.cloneDeep(updatedSong);
            song.album_id = 10000;
            song.album = {
                id: 10000,
                name: "It's... John Cena!!!",
                artist_id: 10000,
                artist: {
                    id: 10000,
                    name: 'John Cena',
                },
            };

            songStore.syncUpdatedSong(song);

            // A new artist should be created...
            const lastArtist = _.last(artistStore.all);
            lastArtist.name.should.equal('John Cena');

            // A new album should be created
            const lastAlbum = _.last(albumStore.all);
            lastAlbum.name.should.equal("It's... John Cena!!!");

            // The album must belong to John Cena of course!
            _.last(lastArtist.albums).should.equal(lastAlbum);

            // And the song belongs to the album.
            songStore.byId(song.id).album.should.equal(lastAlbum);
        });
    });
});