FastSeekWpf/Core/Logger.cs

using System;
using System.IO;

namespace FastSeekWpf.Core;

public static class Logger
{
    private static readonly string LogPath = Path.Combine(
        Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
        "FastSeek", "log.txt");

    static Logger()
    {
        Directory.CreateDirectory(Path.GetDirectoryName(LogPath)!);
    }

    public static void Log(string message)
    {
        string line = $"[{DateTime.Now:HH:mm:ss.fff}] {message}{Environment.NewLine}";
        try
        {
            File.AppendAllText(LogPath, line);
        }
        catch { }
        try
        {
            // Also write to console if available (CLI mode)
            Console.Error.Write(line);
        }
        catch { }
    }
}