const Fuse = require('fuse.js')
const playlist = require('../radioScraper/playlist.json')

const fuseByAlbum = new Fuse(playlist, {
	keys: ['album']
})
const fuseByTrack = new Fuse(playlist, {
	keys: ['track']
})

function searchAlbums(query) {
	return fuseByAlbum.search(query).map(result => result.item)
}

function searchTracks(query) {
	return fuseByTrack.search(query).map(result => result.item)
}

function search(albumQuery, trackQuery, duration) {
	if (albumQuery) {
		const inAlbumSearch = new Fuse(searchAlbums(albumQuery), {keys: ['track']})
		const trackResults = inAlbumSearch.search(trackQuery)
		console.log(`initial results: ${trackResults.length}`)
		trackResults.filter(result => result.item.duration === duration)
		if (trackResults.length > 0) {
			return trackResults[0].item
		}
	} else {
		const trackResults = searchTracks(trackQuery)
		console.log(`initial results: ${trackResults.length}`)
		const durationResults = trackResults.filter(result => result.duration === duration)
		console.log(`secondary results: ${durationResults.length}`)
		if (durationResults.length > 0) {
			return durationResults[0]
		}
	}
}

function trySearch() {
	console.log(JSON.stringify(search("The Lede", "Lanayru Mining Facility", "3:10")))
}