using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Excel = Microsoft.Office.Interop.Excel;
using NAudio.Wave;
namespace TableMagic.Skills
{
public class ExcelMusicSkill : ISkill
{
public string Name => "ExcelMusic";
public string Description => "音乐播放技能，支持播放本地音乐文件和播放列表管理";
public List<SkillTool> GetTools()
{
return new List<SkillTool>
{
new SkillTool
{
Name = "play_music",
Description = "播放音乐文件。当用户要求播放音乐时使用此工具。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>
{
{ "filePath", new { type = "string", description = "音乐文件路径" } },
{ "volume", new { type = "integer", description = "音量（0-100，默认50）" } }
}
}
},
RequiredParameters = new List<string> { "filePath" }
},
new SkillTool
{
Name = "play_playlist",
Description = "播放文件夹中的所有音乐文件。当用户要求播放播放列表、播放文件夹音乐时使用此工具。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>
{
{ "folderPath", new { type = "string", description = "音乐文件夹路径" } },
{ "shuffle", new { type = "boolean", description = "是否随机播放（默认false）" } },
{ "volume", new { type = "integer", description = "音量（0-100，默认50）" } }
}
}
},
RequiredParameters = new List<string> { "folderPath" }
},
new SkillTool
{
Name = "pause_music",
Description = "暂停/继续播放音乐。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>() }
},
RequiredParameters = new List<string>()
},
new SkillTool
{
Name = "stop_music",
Description = "停止播放音乐。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>() }
},
RequiredParameters = new List<string>()
},
new SkillTool
{
Name = "set_volume",
Description = "设置音量。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>
{
{ "volume", new { type = "integer", description = "音量（0-100）" } }
}
}
},
RequiredParameters = new List<string> { "volume" }
},
new SkillTool
{
Name = "next_track",
Description = "播放下一首。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>() }
},
RequiredParameters = new List<string>()
},
new SkillTool
{
Name = "previous_track",
Description = "播放上一首。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>() }
},
RequiredParameters = new List<string>()
},
new SkillTool
{
Name = "get_player_status",
Description = "获取播放器状态。",
Parameters = new Dictionary<string, object>
{
{ "type", "object" },
{ "properties", new Dictionary<string, object>() }
},
RequiredParameters = new List<string>()
}
};
}
public async Task<SkillResult> ExecuteToolAsync(string toolName, Dictionary<string, object> arguments)
{
try
{
switch (toolName)
{
case "play_music":
return PlayMusic(arguments);
case "play_playlist":
return PlayPlaylist(arguments);
case "pause_music":
return PauseMusic();
case "stop_music":
return StopMusic();
case "set_volume":
return SetVolume(arguments);
case "next_track":
return NextTrack();
case "previous_track":
return PreviousTrack();
case "get_player_status":
return GetPlayerStatus();
default:
return new SkillResult { Success = false, Error = $"Tool {toolName} not implemented in ExcelMusicSkill" };
}
}
catch (Exception ex)
{
return new SkillResult { Success = false, Error = ex.Message };
}
}
private static WaveOutEvent _waveOut;
private static AudioFileReader _audioFile;
private static List<string> _playlist = new List<string>();
private static int _currentTrackIndex = 0;
private static bool _shuffle = false;
private static PlaybackState _playbackState = PlaybackState.Stopped;
private static float _volume = 0.5f;
private enum PlaybackState
{
Stopped,
Playing,
Paused
}
private SkillResult PlayMusic(Dictionary<string, object> arguments)
{
var filePath = arguments["filePath"].ToString();
var volume = arguments.ContainsKey("volume") ? Convert.ToInt32(arguments["volume"]) : 50;
if (!File.Exists(filePath))
return new SkillResult { Success = false, Error = $"文件不存在: {filePath}" };
DisposeWavePlayer();
_audioFile = new AudioFileReader(filePath);
_waveOut = new WaveOutEvent();
_waveOut.Init(_audioFile);
_waveOut.Volume = volume / 100f;
_volume = volume / 100f;
_waveOut.PlaybackStopped += WaveOut_PlaybackStopped;
_waveOut.Play();
_playlist = new List<string> { filePath };
_currentTrackIndex = 0;
_playbackState = PlaybackState.Playing;
return new SkillResult { Success = true, Content = $"正在播放: {Path.GetFileName(filePath)}" };
}
private SkillResult PlayPlaylist(Dictionary<string, object> arguments)
{
var folderPath = arguments["folderPath"].ToString();
var shuffle = arguments.ContainsKey("shuffle") && Convert.ToBoolean(arguments["shuffle"]);
var volume = arguments.ContainsKey("volume") ? Convert.ToInt32(arguments["volume"]) : 50;
if (!Directory.Exists(folderPath))
return new SkillResult { Success = false, Error = $"文件夹不存在: {folderPath}" };
var extensions = new[] { "*.mp3", "*.wav", "*.wma", "*.m4a", "*.flac", "*.aac", "*.aiff" };
var files = new List<string>();
foreach (var ext in extensions)
{
files.AddRange(Directory.GetFiles(folderPath, ext, SearchOption.AllDirectories));
}
if (files.Count == 0)
return new SkillResult { Success = false, Error = "文件夹中没有音乐文件" };
_playlist = files;
_shuffle = shuffle;
if (shuffle)
{
var random = new Random();
_playlist = _playlist.OrderBy(x => random.Next()).ToList();
}
_currentTrackIndex = 0;
DisposeWavePlayer();
_audioFile = new AudioFileReader(_playlist[_currentTrackIndex]);
_waveOut = new WaveOutEvent();
_waveOut.Init(_audioFile);
_waveOut.Volume = volume / 100f;
_volume = volume / 100f;
_waveOut.PlaybackStopped += WaveOut_PlaybackStopped;
_waveOut.Play();
_playbackState = PlaybackState.Playing;
return new SkillResult { Success = true, Content = $"正在播放播放列表，共 {_playlist.Count} 首歌曲\n当前: {Path.GetFileName(_playlist[_currentTrackIndex])}" };
}
private SkillResult PauseMusic()
{
if (_waveOut == null)
return new SkillResult { Success = false, Error = "没有正在播放的音乐" };
if (_playbackState == PlaybackState.Playing)
{
_waveOut.Pause();
_playbackState = PlaybackState.Paused;
return new SkillResult { Success = true, Content = "音乐已暂停" };
}
else if (_playbackState == PlaybackState.Paused)
{
_waveOut.Play();
_playbackState = PlaybackState.Playing;
return new SkillResult { Success = true, Content = "音乐继续播放" };
}
else
{
return new SkillResult { Success = false, Error = "当前状态无法暂停" };
}
}
private SkillResult StopMusic()
{
if (_waveOut == null)
return new SkillResult { Success = true, Content = "没有正在播放的音乐" };
_waveOut.Stop();
_playbackState = PlaybackState.Stopped;
return new SkillResult { Success = true, Content = "音乐已停止" };
}
private SkillResult SetVolume(Dictionary<string, object> arguments)
{
var volume = Convert.ToInt32(arguments["volume"]);
if (_waveOut == null)
{
_volume = Math.Max(0, Math.Min(100, volume)) / 100f;
return new SkillResult { Success = true, Content = $"音量已设置为: {volume}" };
}
_waveOut.Volume = Math.Max(0, Math.Min(100, volume)) / 100f;
_volume = _waveOut.Volume;
return new SkillResult { Success = true, Content = $"音量已设置为: {volume}" };
}
private SkillResult NextTrack()
{
if (_playlist.Count == 0)
return new SkillResult { Success = false, Error = "播放列表为空" };
_currentTrackIndex = (_currentTrackIndex + 1) % _playlist.Count;
DisposeWavePlayer();
_audioFile = new AudioFileReader(_playlist[_currentTrackIndex]);
_waveOut = new WaveOutEvent();
_waveOut.Init(_audioFile);
_waveOut.Volume = _volume;
_waveOut.PlaybackStopped += WaveOut_PlaybackStopped;
_waveOut.Play();
_playbackState = PlaybackState.Playing;
return new SkillResult { Success = true, Content = $"正在播放: {Path.GetFileName(_playlist[_currentTrackIndex])}" };
}
private SkillResult PreviousTrack()
{
if (_playlist.Count == 0)
return new SkillResult { Success = false, Error = "播放列表为空" };
_currentTrackIndex = (_currentTrackIndex - 1 + _playlist.Count) % _playlist.Count;
DisposeWavePlayer();
_audioFile = new AudioFileReader(_playlist[_currentTrackIndex]);
_waveOut = new WaveOutEvent();
_waveOut.Init(_audioFile);
_waveOut.Volume = _volume;
_waveOut.PlaybackStopped += WaveOut_PlaybackStopped;
_waveOut.Play();
_playbackState = PlaybackState.Playing;
return new SkillResult { Success = true, Content = $"正在播放: {Path.GetFileName(_playlist[_currentTrackIndex])}" };
}
private SkillResult GetPlayerStatus()
{
if (_waveOut == null)
return new SkillResult { Success = true, Content = "播放器未初始化" };
var state = _playbackState switch
{
PlaybackState.Stopped => "已停止",
PlaybackState.Playing => "正在播放",
PlaybackState.Paused => "已暂停",
_ => "未知状态"
};
var currentTrack = _playlist.Count > 0 && _currentTrackIndex < _playlist.Count
? Path.GetFileName(_playlist[_currentTrackIndex])
: "无";
var currentTime = _audioFile?.CurrentTime.ToString(@"mm\:ss") ?? "00:00";
var totalTime = _audioFile?.TotalTime.ToString(@"mm\:ss") ?? "00:00";
return new SkillResult
{
Success = true,
Content = $"播放器状态: {state}\n当前曲目: {currentTrack}\n播放进度: {currentTime}/{totalTime}\n音量: {(int)(_volume * 100)}\n播放列表: {_playlist.Count} 首\n随机播放: {(_shuffle ? "是" : "否")}"
};
}
private void WaveOut_PlaybackStopped(object sender, StoppedEventArgs e)
{
if (_playlist.Count > 1)
{
_currentTrackIndex = (_currentTrackIndex + 1) % _playlist.Count;
try
{
DisposeWavePlayer();
_audioFile = new AudioFileReader(_playlist[_currentTrackIndex]);
_waveOut = new WaveOutEvent();
_waveOut.Init(_audioFile);
_waveOut.Volume = _volume;
_waveOut.PlaybackStopped += WaveOut_PlaybackStopped;
_waveOut.Play();
_playbackState = PlaybackState.Playing;
}
catch { }
}
}
private void DisposeWavePlayer()
{
if (_waveOut != null)
{
_waveOut.PlaybackStopped -= WaveOut_PlaybackStopped;
_waveOut.Stop();
_waveOut.Dispose();
_waveOut = null;
}
if (_audioFile != null)
{
_audioFile.Dispose();
_audioFile = null;
}
}
}
}