using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace LLib.Notifications;

public static class WindowsSounds
{
	public static string MediaDirectory => Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Windows), "Media");

	public static IReadOnlyList<string> ListWavFileNames()
	{
		try
		{
			if (!Directory.Exists(MediaDirectory))
			{
				return Array.Empty<string>();
			}
			return Directory.EnumerateFiles(MediaDirectory, "*.wav").Select(Path.GetFileName).OfType<string>()
				.OrderBy<string, string>((string x) => x, StringComparer.OrdinalIgnoreCase)
				.ToArray();
		}
		catch (Exception)
		{
			return Array.Empty<string>();
		}
	}

	public static string? ResolvePath(string? fileName)
	{
		if (string.IsNullOrEmpty(fileName))
		{
			return null;
		}
		string text = Path.Combine(MediaDirectory, fileName);
		if (!File.Exists(text))
		{
			return null;
		}
		return text;
	}
}