package spotify

import (
	"os"
	"strings"
	"testing"
)

func getAuthorization() (string, string) {
	envVars := os.Environ()
	for _, envVar := range envVars {
		key_val := strings.Split(envVar, "=")
		if key_val[0] == "SPOTIFY_TOKEN" {
			username_secret := strings.Split(key_val[1], ":")
			return username_secret[0], username_secret[1]
		}
	}
	return "", ""
}

func createClient(t *testing.T) *SpotifyClient {
	username, secret := getAuthorization()
	if username == "" {
		t.Fatal("Spotify authorization token not available, please use it as env variable SPOTIFY_TOKEN")
	}
	client := NewClient(username, secret)
	err := client.Authenticate()
	if err != nil {
		t.Fatal("Spotify authentication failed", err)
	}
	return client
}

func TestGetTrackInfo(t *testing.T) {
	client := createClient(t)
	track, err := client.GetTrack("5fLiaYOzIAk0PpwJ2VQUpT")
	if err != nil {
		t.Error("Error while reading Track", err)
	}
	if track.Artists[0].Name != "Vesala" {
		t.Error("Expected track artist to be 'Vesala'")
	}
	if track.Name != "Rakkaus ja maailmanloppu" {
		t.Error("Expected track artist to be 'Rakkaus ja maailmanloppu'")
	}
	if track.ExternalUrls.Spotify != "https://open.spotify.com/track/5fLiaYOzIAk0PpwJ2VQUpT" {
		t.Error("Expected track artist to be 'https://open.spotify.com/track/5fLiaYOzIAk0PpwJ2VQUpT'")
	}
}