using System;
using System.IO;

namespace Project_Periodensystem.View
{
    public static class Logger
    {
        private static readonly string LogDirectory = AppDomain.CurrentDomain.BaseDirectory;
        private static readonly string LogFile = Path.Combine(LogDirectory, "app_log.txt");

        public static void Log(string message)
        {
            try
            {
                // Ensure directory exists
                Directory.CreateDirectory(LogDirectory);

                var logMessage = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss.fff} - {message}";
                // Write immediately to console for direct feedback
                Console.WriteLine(logMessage);
                
                // Append to file with direct flush
                using (StreamWriter sw = File.AppendText(LogFile))
                {
                    sw.WriteLine(logMessage);
                    sw.Flush();
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Logging failed: {ex.Message}");
                Console.WriteLine($"Attempted to write to: {LogFile}");
                Console.WriteLine($"Original message: {message}");
            }
        }

        static Logger()
        {
            // Clear log on startup
            try
            {
                if (File.Exists(LogFile))
                {
                    File.Delete(LogFile);
                }
                Log("=== Logging started ===");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Failed to initialize log file: {ex.Message}");
            }
        }
    }
}