require('chai').should();
import { cloneDeep, last } from 'lodash';

import albumStore from '../../stores/album';
import artistStore from '../../stores/artist';
import { default as artists, singleAlbum, singleSong } from '../blobs/media';

describe('stores/album', () => {
    beforeEach(() => albumStore.init(cloneDeep(artists)));

    afterEach(() => albumStore.state.albums = []);

    describe('#init', () => {
        it('correctly gathers albums', () => {
            albumStore.state.albums.length.should.equal(7);
        });

        it('correctly sets albums length', () => {
            albumStore.state.albums[0].length.should.equal(259.92);
        });

        it('correctly sets album artists', () => {
            albumStore.state.albums[0].artist.id.should.equal(1);
        });
    });

    describe('#all', () => {
        it('correctly returns all songs', () => {
            albumStore.all.length.should.equal(7);
        });
    });

    describe('#getLength', () => {
        it('correctly calculates an album’s length', () => {
            albumStore.getLength(albumStore.state.albums[6]);
            albumStore.state.albums[6].length.should.equal(1940.42); // I'm sorry…
        });
    });

    describe('#add', () => {
        beforeEach(() => {
            albumStore.add(cloneDeep(singleAlbum));
        });

        it('correctly adds a new album into the state', () => {
            last(albumStore.state.albums).id.should.equal(9999);
        });

        it('correctly recalculates the length', () => {
            last(albumStore.state.albums).length.should.equal(300);
        });

        it('correctly recalculates the play count', () => {
            last(albumStore.state.albums).playCount.should.equal(11);
        });
    });

    describe('#remove', () => {
        beforeEach(() => {
            albumStore.remove(albumStore.state.albums[0]); // ID 1193
        });

        it('correctly removes an album', () => {
            albumStore.state.albums.length.should.equal(6);
        });
    });

    describe('#addSongsIntoAlbum', () => {
        beforeEach(() => {
            albumStore.addSongsIntoAlbum(albumStore.state.albums[0], cloneDeep(singleSong));
        });

        it('correctly adds a song into an album', () => {
            albumStore.state.albums[0].songs.length.should.equal(2);
        });

        it('correctly recalculates the play count', () => {
            albumStore.state.albums[0].playCount.should.equal(4);
        });

        it ('correctly recalculates album length', () => {
            albumStore.state.albums[0].length.should.equal(359.92);
        });
    });

    describe('#removeSongsFromAlbum', () => {
        beforeEach(() => {
            albumStore.removeSongsFromAlbum(albumStore.state.albums[0], albumStore.state.albums[0].songs[0]);
        });

        it('correctly removes a song from an album', () => {
            albumStore.state.albums[0].songs.length.should.equal(0);
        });

        it('correctly recalculates the play count', () => {
            albumStore.state.albums[0].playCount.should.equal(0);
        });

        it('correctly recalculates the length', () => {
            albumStore.state.albums[0].length.should.equal(0);
        });
    });
});