Smartcraft-Media-Tech/Painobar-helper
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I think I broke it

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This commit is contained in:
minster586
2026-08-11 23:41:48 -04:00
parent 02bd8ffd5e
commit df5303e0ef
2 changed files with 271 additions and 58 deletions
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PianobarManager.cs
+187 -10
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@@ -20,6 +20,14 @@ namespace PainoBar_Helper
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"PianobarHelper",
"pianobar-io.log");
private readonly object _stationsLock = new object();
private readonly SortedDictionary<int, string> _knownStations = new();
private readonly object _stationPromptLock = new object();
private TaskCompletionSource<bool>? _stationPromptTcs;
private readonly object _inputLock = new object();
private readonly object _logLock = new object();
private readonly List<string> _ioLogLines = new();
private int? _pendingStationIndex;
public event EventHandler<SongChangedEventArgs>? SongChanged;
public event EventHandler<string>? StationChanged;
@@ -67,6 +75,14 @@ namespace PainoBar_Helper
_receivedStdOut = false;
_receivedStdErr = false;
lock (_stationPromptLock)
{
_pendingStationIndex = null;
_stationPromptTcs = null;
}
ResetIoLog();
// Check if pianobar is already running (check both with and without .exe)
var existingProcesses = Process.GetProcessesByName("pianobar");
if (existingProcesses.Length == 0)
@@ -267,8 +283,7 @@ namespace PainoBar_Helper
try
{
_inputWriter.WriteLine(command);
_inputWriter.Flush();
WriteInputCommand(command.ToString());
}
catch (Exception ex)
{
@@ -283,8 +298,7 @@ namespace PainoBar_Helper
try
{
_inputWriter.WriteLine(command);
_inputWriter.Flush();
WriteInputCommand(command);
}
catch (Exception ex)
{
@@ -292,6 +306,22 @@ namespace PainoBar_Helper
}
}
private void WriteInputCommand(string command)
{
if (_inputWriter == null)
throw new InvalidOperationException("Standard input is not available.");
lock (_inputLock)
{
// Use LF explicitly to avoid CRLF handling issues with redirected stdin.
_inputWriter.Write(command);
_inputWriter.Write('\n');
_inputWriter.Flush();
}
LogIoLine("STDIN", command);
}
public void PlayPause()
{
SendCommand('p');
@@ -310,12 +340,68 @@ namespace PainoBar_Helper
SendCommand('s');
}
public async Task SelectStationAsync(int stationIndex)
{
if (stationIndex < 0)
throw new ArgumentOutOfRangeException(nameof(stationIndex));
if (!IsConnected || _inputWriter == null)
throw new InvalidOperationException("Not connected to Pianobar.");
bool isInitialSelection = IsInitialStationSelection(stationIndex);
if (isInitialSelection)
{
// Startup flow: station list already printed by Pianobar, submit index directly.
SendCommand(stationIndex.ToString());
RaiseEvent($"Initial station selection submitted: {stationIndex}");
return;
}
// Station change flow: request station mode, then submit index quickly.
ShowStations();
await Task.Delay(150);
SendCommand(stationIndex.ToString());
RaiseEvent($"Station change submitted: {stationIndex}");
}
private bool IsInitialStationSelection(int stationIndex)
{
if (!string.IsNullOrEmpty(CurrentSong))
return false;
lock (_stationsLock)
{
return _knownStations.ContainsKey(stationIndex) && _knownStations.Count > 0;
}
}
public IReadOnlyList<(int Index, string Name)> GetKnownStationEntries()
{
lock (_stationsLock)
{
return _knownStations
.OrderBy(kvp => kvp.Key)
.Select(kvp => (kvp.Key, kvp.Value))
.ToList();
}
}
public IReadOnlyList<string> GetKnownStations()
{
lock (_stationsLock)
{
return _knownStations.OrderBy(kvp => kvp.Key).Select(kvp => kvp.Value).ToList();
}
}
private void Process_OutputDataReceived(object? sender, DataReceivedEventArgs e)
{
if (string.IsNullOrEmpty(e.Data))
return;
string line = e.Data;
CaptureStationLine(line);
if (!_receivedStdOut)
{
_receivedStdOut = true;
@@ -332,6 +418,7 @@ namespace PainoBar_Helper
{
if (!string.IsNullOrEmpty(e.Data))
{
CaptureStationLine(e.Data);
if (!_receivedStdErr)
{
_receivedStdErr = true;
@@ -344,13 +431,83 @@ namespace PainoBar_Helper
}
}
private void Process_Exited(object? sender, EventArgs e)
private void CaptureStationLine(string line)
{
if (!_receivedStdOut)
RaiseEvent("No STDOUT data received before process exit");
var clean = StripAnsiCodes(line).Trim();
IsConnected = false;
RaiseEvent("Pianobar process exited");
SignalStationPromptIfWaiting(clean);
if (clean.Contains("Get stations... Ok.", StringComparison.OrdinalIgnoreCase))
{
lock (_stationsLock)
{
_knownStations.Clear();
}
return;
}
var match = Regex.Match(clean, @"^\s*(\d+)\)\s*(?:[qQ]\s+)?(.+?)\s*$");
if (!match.Success)
return;
int index = int.Parse(match.Groups[1].Value);
string stationName = match.Groups[2].Value.Trim();
lock (_stationsLock)
{
_knownStations[index] = stationName;
}
}
private void SignalStationPromptIfWaiting(string cleanLine)
{
if (string.IsNullOrEmpty(cleanLine))
return;
bool isStationPrompt =
cleanLine.Contains("Select station:", StringComparison.OrdinalIgnoreCase) ||
cleanLine.StartsWith("[?]", StringComparison.Ordinal);
if (!isStationPrompt)
return;
int? pendingIndex = null;
TaskCompletionSource<bool>? tcs = null;
lock (_stationPromptLock)
{
pendingIndex = _pendingStationIndex;
_pendingStationIndex = null;
tcs = _stationPromptTcs;
_stationPromptTcs = null;
}
if (pendingIndex.HasValue)
{
SendCommand(pendingIndex.Value.ToString());
RaiseEvent($"Station change submitted: {pendingIndex.Value}");
}
tcs?.TrySetResult(true);
}
private void ResetIoLog()
{
try
{
var logDir = Path.GetDirectoryName(_ioLogPath);
if (!string.IsNullOrEmpty(logDir))
Directory.CreateDirectory(logDir);
lock (_logLock)
{
_ioLogLines.Clear();
File.WriteAllText(_ioLogPath, string.Empty);
}
}
catch
{
// Ignore logging errors
}
}
private void LogIoLine(string source, string line)
@@ -361,7 +518,13 @@ namespace PainoBar_Helper
if (!string.IsNullOrEmpty(logDir))
Directory.CreateDirectory(logDir);
File.AppendAllText(_ioLogPath, $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] [{source}] {line}{Environment.NewLine}");
string entry = $"[{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}] [{source}] {line}";
lock (_logLock)
{
_ioLogLines.Add(entry);
File.WriteAllText(_ioLogPath, string.Join(Environment.NewLine, _ioLogLines) + Environment.NewLine);
}
}
catch
{
@@ -544,6 +707,20 @@ namespace PainoBar_Helper
{
Disconnect();
}
private static string StripAnsiCodes(string value)
{
return Regex.Replace(value, @"\x1B\[[0-9;]*[A-Za-z]", string.Empty);
}
private void Process_Exited(object? sender, EventArgs e)
{
if (!_receivedStdOut)
RaiseEvent("No STDOUT data received before process exit");
IsConnected = false;
RaiseEvent("Pianobar process exited");
}
}
public class SongChangedEventArgs : EventArgs