using SpotifyAPI.Local;

using SpotifyAPI.Local.Enums;

using SpotifyAPI.Local.Models;

using System;

using System.Diagnostics;

using System.Globalization;

using System.Windows.Forms;

namespace SpotifyAPI.Example

{

public partial class LocalControl : UserControl

{

private readonly SpotifyLocalAPI _spotify;

private Track _currentTrack;

public LocalControl()

{

InitializeComponent();

_spotify = new SpotifyLocalAPI();

_spotify.OnPlayStateChange += _spotify_OnPlayStateChange;

_spotify.OnTrackChange += _spotify_OnTrackChange;

_spotify.OnTrackTimeChange += _spotify_OnTrackTimeChange;

_spotify.OnVolumeChange += _spotify_OnVolumeChange;

_spotify.SynchronizingObject = this;

artistLinkLabel.Click += (sender, args) => Process.Start(artistLinkLabel.Tag.ToString());

albumLinkLabel.Click += (sender, args) => Process.Start(albumLinkLabel.Tag.ToString());

titleLinkLabel.Click += (sender, args) => Process.Start(titleLinkLabel.Tag.ToString());

}

public void Connect()

{

if (!SpotifyLocalAPI.IsSpotifyRunning())

{

MessageBox.Show(@"Spotify isn't running!");

return;

}

if (!SpotifyLocalAPI.IsSpotifyWebHelperRunning())

{

MessageBox.Show(@"SpotifyWebHelper isn't running!");

return;

}

bool successful = _spotify.Connect();

if (successful)

{

connectBtn.Text = @"Connection to Spotify successful";

connectBtn.Enabled = false;

UpdateInfos();

_spotify.ListenForEvents = true;

}

else

{

DialogResult res = MessageBox.Show(@"Couldn't connect to the spotify client. Retry?", @"Spotify", MessageBoxButtons.YesNo);

if (res == DialogResult.Yes)

Connect();

}

}

public void UpdateInfos()

{

StatusResponse status = _spotify.GetStatus();

if (status == null)

return;

//Basic Spotify Infos

UpdatePlayingStatus(status.Playing);

clientVersionLabel.Text = status.ClientVersion;

versionLabel.Text = status.Version.ToString();

repeatShuffleLabel.Text = status.Repeat + @" and " + status.Shuffle;

if (status.Track != null) //Update track infos

UpdateTrack(status.Track);

}

public async void UpdateTrack(Track track)

{

_currentTrack = track;

advertLabel.Text = track.IsAd() ? "ADVERT" : "";

timeProgressBar.Maximum = track.Length;

if (track.IsAd())

return; //Don't process further, maybe null values

titleLinkLabel.Text = track.TrackResource.Name;

titleLinkLabel.Tag = track.TrackResource.Uri;

artistLinkLabel.Text = track.ArtistResource.Name;

artistLinkLabel.Tag = track.ArtistResource.Uri;

albumLinkLabel.Text = track.AlbumResource.Name;

albumLinkLabel.Tag = track.AlbumResource.Uri;

bigAlbumPicture.Image = await track.GetAlbumArtAsync(AlbumArtSize.Size640);

smallAlbumPicture.Image = await track.GetAlbumArtAsync(AlbumArtSize.Size160);

}

public void UpdatePlayingStatus(bool playing)

{

isPlayingLabel.Text = playing.ToString();

}

private void _spotify_OnVolumeChange(object sender, VolumeChangeEventArgs e)

{

volumeLabel.Text = (e.NewVolume * 100).ToString(CultureInfo.InvariantCulture);

}

private void _spotify_OnTrackTimeChange(object sender, TrackTimeChangeEventArgs e)

{

timeLabel.Text = $"{FormatTime(e.TrackTime)}/{FormatTime(_currentTrack.Length)}";

timeProgressBar.Value = (int)e.TrackTime;

}

private void _spotify_OnTrackChange(object sender, TrackChangeEventArgs e)

{

UpdateTrack(e.NewTrack);

}

private void _spotify_OnPlayStateChange(object sender, PlayStateEventArgs e)

{

UpdatePlayingStatus(e.Playing);

}

private void connectBtn_Click(object sender, EventArgs e)

{

Connect();

}

private void playUrlBtn_Click(object sender, EventArgs e)

{

_spotify.PlayURL(playTextBox.Text, contextTextBox.Text);

}

private void playBtn_Click(object sender, EventArgs e)

{

_spotify.Play();

}

private void pauseBtn_Click(object sender, EventArgs e)

{

_spotify.Pause();

}

private void prevBtn_Click(object sender, EventArgs e)

{

_spotify.Previous();

}

private void skipBtn_Click(object sender, EventArgs e)

{

_spotify.Skip();

}

private static String FormatTime(double sec)

{

TimeSpan span = TimeSpan.FromSeconds(sec);

String secs = span.Seconds.ToString(), mins = span.Minutes.ToString();

if (secs.Length < 2)

secs = "0" + secs;

return mins + ":" + secs;

}

}

}