using TwitchLib.Client.Models;

namespace TTSMe;

public class Voices {
	private static Voices? instance;
	public static Voices Instance() => instance ??= new Voices();

	private Dictionary<string, string> UserVoices { get; } = new();
	internal readonly List<string> ValidVoices = [ "alloy", "echo", "fable", "onyx", "nova", "shimmer" ];

	public bool HasVoice(string username) => UserVoices.ContainsKey(username);
	public bool IsValidVoice(string voice) => ValidVoices.Contains(voice);
	public bool IsVoice(string username, string voice) => HasVoice(username) && UserVoices.GetValueOrDefault(username) == voice;
	public string? GetVoice(string username) => UserVoices.GetValueOrDefault(username);
	public void SetVoice(string username, string voice) => UserVoices[username] = voice;
	public void SetRandomVoice(string username) => UserVoices[username] = ValidVoices[new Random().Next(ValidVoices.Count)];
	public void RemoveVoice(string username) => UserVoices.Remove(username);
    
	
	public static async Task ProcessVoiceMessage(ChatMessage chatMessage) {
		string? voice = chatMessage.GetStoredVoice();
		if (voice is null) return;
		if (!File.Exists(chatMessage.GetAudioFilePath())) await TTSClient.GenerateSpeech(chatMessage);
		await TTSClient.PlaySpeech(chatMessage.GetAudioFilePath());
	}
}