using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace EggLink.DanhengServer.Util
{
    public class Logger
    {
        private readonly string ModuleName;
        private static FileInfo LogFile;

        public Logger(string moduleName)
        {
            ModuleName = moduleName;
        }

        public void Log(string message, LoggerLevel level)
        {
            Console.Write("[");
            Console.ForegroundColor = ConsoleColor.DarkCyan;
            Console.Write(DateTime.Now.ToString("HH:mm:ss"));
            Console.ResetColor();
            Console.Write("] ");
            Console.Write("[");
            Console.ForegroundColor = ConsoleColor.DarkGray;
            Console.Write(ModuleName);
            Console.ResetColor();
            Console.Write("] ");
            Console.Write("[");
            Console.ForegroundColor = (ConsoleColor)level;
            Console.Write(level);
            Console.ResetColor();
            Console.WriteLine("] " + message);

            var logMessage = $"[{DateTime.Now:HH:mm:ss}] [{ModuleName}] [{level}] {message}";
            WriteToFile(logMessage);
        }

        public void Info(string message, Exception e = null)
        {
            Log(message, LoggerLevel.INFO);
            if (e != null)
            {
                Log(e.Message, LoggerLevel.INFO);
                Log(e.StackTrace, LoggerLevel.INFO);
            }
        }

        public void Warn(string message, Exception e = null)
        {
            Log(message, LoggerLevel.WARN);
            if (e != null)
            {
                Log(e.Message, LoggerLevel.WARN);
                Log(e.StackTrace, LoggerLevel.WARN);
            }
        }

        public void Error(string message, Exception e = null)
        {
            Log(message, LoggerLevel.ERROR);
            if (e != null)
            {
                Log(e.Message, LoggerLevel.ERROR);
                Log(e.StackTrace, LoggerLevel.ERROR);
            }
        }

        public void Fatal(string message, Exception e = null)
        {
            Log(message, LoggerLevel.FATAL);
            if (e != null)
            {
                Log(e.Message, LoggerLevel.FATAL);
                Log(e.StackTrace, LoggerLevel.FATAL);
            }
        }

        public void Debug(string message, Exception e = null)
        {
            Log(message, LoggerLevel.DEBUG);
            if (e != null)
            {
                Log(e.Message, LoggerLevel.DEBUG);
                Log(e.StackTrace, LoggerLevel.DEBUG);
            }
        }

        public static void SetLogFile(FileInfo file)
        {
            LogFile = file;
        }

        public static void WriteToFile(string message)
        {
            if (LogFile == null)
            {
                throw new Exception("LogFile is not set");
            }
            using (StreamWriter sw = LogFile.AppendText())
            {
                sw.WriteLine(message);
            }
        }

#pragma warning disable CS8602 
        public static Logger GetByClassName() => new(new StackTrace().GetFrame(1).GetMethod().ReflectedType.Name);
#pragma warning restore CS8602
    }

    public enum LoggerLevel
    {
        INFO = ConsoleColor.Cyan,
        WARN = ConsoleColor.Yellow,
        ERROR = ConsoleColor.Red,
        FATAL = ConsoleColor.DarkRed,
        DEBUG = ConsoleColor.Blue
    }

    public class LoggerLevelHelper
    {

    }
}