using System.Runtime.CompilerServices;
using System.Text;
using System.Security.Cryptography;



using Newtonsoft.Json;
using NLog;
using NLog.AWS.Logger;
using NLog.Targets.Wrappers;
using NLog.Config;
using NLog.Layouts;
using Amazon.Runtime;



namespace ServerCore
{

    //public class ServerLog
    //{
    //    //static NLog.Logger log = LogManager.GetCurrentClassLogger();
    //    static NLog.Logger log = LogManager.GetLogger("Developer");

    //    public ServerLog()
    //    {
    //    }
    //    private static string _serverType = string.Empty;
    //    private static string _ipPort = string.Empty;

    //    public static void Init( string serverType, string ip, int port
    //                           , string? logGroup = null
    //                           , string? logNamePattern = null
    //                           , string? logLevel = null
    //                           , string? awsRegion = null
    //                           , string? awsAccessKey = null
    //                           , string? awsSecretKey = null
    //                           , Layout? layout = null)
    //    {
    //        _serverType = serverType;
    //        //StringBuilder stringBuilder= new StringBuilder();
    //        //stringBuilder.AppendFormat();
    //        _ipPort = $"{ip}:{port}";
    //        //LogManager.Configuration.Variables["LogPath"] = "./";
    //        //LogManager.Configuration.Variables["LogFileName"] = "";
            
            
    //        if (logGroup == string.Empty || logGroup is null ||
    //            logNamePattern == string.Empty || logNamePattern is null ||
    //            logLevel == string.Empty || logLevel is null ||
    //            awsRegion == string.Empty || awsRegion is null ||
    //            awsAccessKey == string.Empty || awsAccessKey is null ||
    //            awsSecretKey == string.Empty || awsSecretKey is null) 
    //        {
    //            return;
    //        }

    //        try 
    //        {
    //            CloudWatchLogInit(logGroup, logNamePattern, logLevel, awsRegion, awsAccessKey, awsSecretKey, layout);
    //        }
    //        catch 
    //        {
    //            Log.getLogger().error($"CloudWatchLogInit Error!!! {logGroup}, {logNamePattern}, {logLevel}, {awsRegion}, {awsAccessKey}, {awsSecretKey}");
    //            return;
    //        }
            
    //    }
    //    public static void End()
    //    {
    //        LogManager.Shutdown();
    //    }

    //    private static void CloudWatchLogInit( string? logGroup, string? namePattern, string? logLevel
    //                                            , string? awsRegion, string? awsAccessKey, string? awsSecretKey
    //                                            , Layout? layout)
    //    {
    //        var current_config = LogManager.Configuration;
    //        var aws_target = new AWSTarget()
    //        {
    //            LogGroup = logGroup,
    //            Region = awsRegion,
    //            Credentials = new BasicAWSCredentials(awsAccessKey, awsSecretKey),
    //            Layout = layout
    //        };

    //        var newRule = new LoggingRule(namePattern, LogLevel.FromString(logLevel), aws_target);
    //        current_config.LoggingRules.Add(newRule);

    //        LogManager.ReconfigExistingLoggers();
    //    }

    //    public static string GenerateRandomUniqueKey()
    //    {
    //        int length = 16;
    //        const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    //        byte[] randomBytes = new byte[length];
    //        string nowTime = DateTimeOffset.Now.ToUnixTimeMilliseconds().ToString();

    //        using (RandomNumberGenerator rng = RandomNumberGenerator.Create())
    //        {
    //            rng.GetBytes(randomBytes);
    //        }

    //        StringBuilder result = new StringBuilder(length + nowTime.Length);

    //        foreach (byte b in randomBytes)
    //        {
    //            result.Append(chars[b % chars.Length]);
    //        }
    //        result.Append(nowTime);

    //        return result.ToString();
    //    }

    //    public static void Trace(string message,
    //        string player = "",
    //        [CallerMemberName] string memberName = "",
    //        [CallerFilePath] string sourceFilePath = "",
    //        [CallerLineNumber] int sourceLineNumber = 0)
    //    {
    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Trace, null, message);
    //        logEventInfo.Properties["player"] = player;
    //        logEventInfo.Properties["memberName"] = memberName;
    //        logEventInfo.Properties["filePath"] = sourceFilePath;
    //        logEventInfo.Properties["lineNumber"] = sourceLineNumber;
    //        logEventInfo.Properties["server"] = _serverType;
    //        logEventInfo.Properties["ipport"] = _ipPort;
    //        log.Trace(logEventInfo);
    //    }

    //    public static void Debug(string message,
    //        string player = "",
    //        [CallerMemberName] string memberName = "",
    //        [CallerFilePath] string sourceFilePath = "",
    //        [CallerLineNumber] int sourceLineNumber = 0)
    //    {
    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Debug, null, message);
    //        logEventInfo.Properties["player"] = player;
    //        logEventInfo.Properties["memberName"] = memberName;
    //        logEventInfo.Properties["filePath"] = sourceFilePath;
    //        logEventInfo.Properties["lineNumber"] = sourceLineNumber;
    //        logEventInfo.Properties["server"] = _serverType;
    //        logEventInfo.Properties["ipport"] = _ipPort;
    //        log.Debug(logEventInfo);
    //    }

    //    public static void Info(string message,
    //        string player = "",
    //        [CallerMemberName] string memberName = "", 
    //        [CallerFilePath] string sourceFilePath = "", 
    //        [CallerLineNumber] int sourceLineNumber = 0)
    //    {
    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Info, null, message);
    //        logEventInfo.Properties["player"] = player;
    //        logEventInfo.Properties["memberName"] = memberName;
    //        logEventInfo.Properties["filePath"] = sourceFilePath;
    //        logEventInfo.Properties["lineNumber"] = sourceLineNumber;
    //        logEventInfo.Properties["server"] = _serverType;
    //        logEventInfo.Properties["ipport"] = _ipPort;
    //        log.Info(logEventInfo);
    //    }

    //    /*
    //    static public void Info(string message, IReadOnlyList<KeyValuePair<object, object>> eventProperties, 
    //        string player = "",
    //        [CallerMemberName] string memberName = "",
    //        [CallerFilePath] string sourceFilePath = "",
    //        [CallerLineNumber] int sourceLineNumber = 0)
    //    {
    //        var jsonProperties = new Dictionary<string, object>();
    //        foreach (var property in eventProperties)
    //        {
    //            var key = property.Key.ToString();
    //            if (key == null) continue;
    //            jsonProperties[key] = property.Value;
    //        }
    //        string jsonEventProperties = JsonConvert.SerializeObject(jsonProperties);

    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Info, null, message);
    //        logEventInfo.Properties["memberName"] = memberName;
    //        logEventInfo.Properties["player"] = player;
    //        logEventInfo.Properties["properties"] = jsonEventProperties;
    //        logEventInfo.Properties["filePath"] = sourceFilePath;
    //        logEventInfo.Properties["lineNumber"] = sourceLineNumber;
    //        logEventInfo.Properties["server"] = _serverType;
    //        logEventInfo.Properties["ipport"] = _ipPort;
            
    //        log.Info(logEventInfo);
    //    }*/
                

    //    public static void Warn(string message,
    //        string player = "",
    //        [CallerMemberName] string memberName = "",
    //        [CallerFilePath] string sourceFilePath = "",
    //        [CallerLineNumber] int sourceLineNumber = 0)
    //    {
    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Warn, null, message);
    //        logEventInfo.Properties["player"] = player;
    //        logEventInfo.Properties["filePath"] = sourceFilePath;
    //        logEventInfo.Properties["lineNumber"] = sourceLineNumber;
    //        logEventInfo.Properties["memberName"] = memberName;
    //        logEventInfo.Properties["server"] = _serverType;
    //        logEventInfo.Properties["ipport"] = _ipPort;
    //        log.Warn(logEventInfo);
    //    }

    //    public static void Error(string message,
    //        string player = "",
    //        [CallerMemberName] string memberName = "",
    //        [CallerFilePath] string sourceFilePath = "",
    //        [CallerLineNumber] int sourceLineNumber = 0)
    //    {
    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Error, null, message);
    //        logEventInfo.Properties["player"] = player;
    //        logEventInfo.Properties["filePath"] = sourceFilePath;
    //        logEventInfo.Properties["lineNumber"] = sourceLineNumber;
    //        logEventInfo.Properties["memberName"] = memberName;
    //        logEventInfo.Properties["server"] = _serverType;
    //        logEventInfo.Properties["ipport"] = _ipPort;
    //        log.Error(logEventInfo);
    //    }

    //    public static void Fatal(string message,
    //        string player = "",
    //        [CallerMemberName] string memberName = "",
    //        [CallerFilePath] string sourceFilePath = "",
    //        [CallerLineNumber] int sourceLineNumber = 0)
    //    {
    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Fatal, null, message);
    //        logEventInfo.Properties["player"] = player;
    //        logEventInfo.Properties["filePath"] = sourceFilePath;
    //        logEventInfo.Properties["lineNumber"] = sourceLineNumber;
    //        logEventInfo.Properties["memberName"] = memberName;
    //        logEventInfo.Properties["server"] = _serverType;
    //        logEventInfo.Properties["ipport"] = _ipPort;
    //        log.Fatal(logEventInfo);
    //    }

    //    public static void Sequence(string sender, string receiver, string message, string errDesc = "")
    //    {
    //        NLog.Logger sequence_logger = LogManager.GetLogger("SequenceLogger");

    //        LogEventInfo logEventInfo = new LogEventInfo(LogLevel.Debug, "SequenceLogger", message);
    //        logEventInfo.Properties["sender"] = sender;
    //        logEventInfo.Properties["receiver"] = receiver;
    //        logEventInfo.Properties["errordesc"] = (errDesc == string.Empty || errDesc.Contains("Success") == true ? $"{errDesc}" : $"ERR-{errDesc}");
    //        sequence_logger.Debug(logEventInfo);
    //    }
    //}
}