namespace EonaCat.Logger.Test.Web
{
    using EonaCat.Logger;
    using EonaCat.Logger.EonaCatCoreLogger;
    using EonaCat.Logger.EonaCatCoreLogger.Extensions;
    using EonaCat.Logger.EonaCatCoreLogger.Models;
    using EonaCat.Logger.LogClient;
    using EonaCat.Logger.Managers;
    using EonaCat.Logger.Test.Web;
    using EonaCat.MemoryGuard;
    using EonaCat.Versioning.Helpers;
    using EonaCat.Web.RateLimiter;
    using EonaCat.Web.RateLimiter.Endpoints.Extensions;
    using System.Runtime.InteropServices;

    public class Program
    {
        public static async Task Main(string[] args)
        {
            var _config = new MemoryGuardConfiguration
            {
                MonitoringInterval = TimeSpan.FromSeconds(5),
                AnalysisInterval = TimeSpan.FromSeconds(10),
                PredictionInterval = TimeSpan.FromSeconds(15),
                LeakDetectionThreshold = TimeSpan.FromSeconds(5),
                SuspiciousObjectThreshold = TimeSpan.FromSeconds(3),
                CaptureStackTraces = true,
                EnableAutoRemediation = true,
                AutoSaveReports = true,
                MemoryPressureThreshold = 500 * 1024 * 1024, // 500MB
                BackgroundAnalysisInterval = TimeSpan.FromMinutes(1),
                OptimizationInterval = TimeSpan.FromMinutes(10),
                PatternDetectionInterval = TimeSpan.FromMinutes(3)
            };

            MemoryGuard.Initialize(_config);
            AllocationInterceptor.Initialize(MemoryGuard.Instance);

            var builder = WebApplication.CreateBuilder(args);
            int onLogCounter = 0;
            var defaultColor = Console.ForegroundColor;

            _ = Task.Run(() =>
            {
                var logman = LogManager.Instance;
                var i = 0;
                while (true)
                {
                    logman.WriteAsync($"Logman test {++i}", ELogType.TRACE).ConfigureAwait(false);
                    Task.Delay(10).ConfigureAwait(false);
                }
            }).ConfigureAwait(false);

            // Add services to the container.
            Logger logger = new Logger();
            logger.UseLocalTime = true;
            logger.LoggerSettings.Id = "TEST";
            logger.LoggerSettings.LogInfo();
            logger.LoggerSettings.LogWarning();
            logger.LoggerSettings.LogError();
            logger.LoggerSettings.LogCritical();
            logger.LoggerSettings.LogDebug();
            logger.LoggerSettings.LogTrace();
            logger.LoggerSettings.LogTraffic();
            logger.LoggerSettings.OnLog += LoggerSettings_OnLog;
            logger.LoggerSettings.UseMask = true;

            // Configure the client
            var centralOptions = new LogCentralOptions
            {
                ServerUrl = "https://localhost:7282",
                ApiKey = "716a964de381979df4303bf93fc091d3",
                ApplicationName = "MyApp",
                ApplicationVersion = "1.0.0",
                Environment = "Production",
                BatchSize = 50,
                FlushIntervalSeconds = 5
            };

            var logClient = new LogCentralClient(centralOptions);

            // Create the adapter
            var adapter = new LogCentralEonaCatAdapter(logger.LoggerSettings, logClient);

            // Now all EonaCat.Logger logs will be sent to LogCentral automatically
            await logger.LogAsync("This is a test log message sent to LogCentral!", ELogType.INFO).ConfigureAwait(false);

            var jsonLogger = new JsonFileLoggerProvider().CreateLogger("MyCategory") as JsonFileLogger;
            jsonLogger?.SetContext("CorrelationId", "abc-123");
            jsonLogger?.SetContext("UserId", "john.doe");
            jsonLogger?.LogInformation("User logged in");

            Console.WriteLine(DllInfo.EonaCatVersion);
            Console.Title = VersionHelper.GetInformationalVersion();

            void LoggerSettings_OnLog(EonaCatLogMessage message)
            {
                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.WriteLine($"LogCounter: {++onLogCounter} {message}");
                Console.ForegroundColor = defaultColor;
            }

            var options = new FileLoggerOptions();
            options.MaxRolloverFiles = 5;
            //options.FileSizeLimit = 1 * 1024 * 1024 / 4;
            options.UseLocalTime = true;
            options.UseMask = true;
            builder.Logging.AddEonaCatFileLogger(fileLoggerOptions: options, filenamePrefix: "web");
            builder.Logging.AddEonaCatConsoleLogger();

            TcpLoggerOptions tcpLoggerOptions = new TcpLoggerOptions
            {
                Host = "192.168.1.1",
                Port = 12345,
            };

            builder.Logging.AddEonaCatTcpLogger((tcpLoggerOptions) =>
            {
                tcpLoggerOptions.Port = 12345;
                tcpLoggerOptions.Host = "192.168.1.1";
            });

            builder.Services.AddRazorPages();

            //var rateLimitOptions = new RateLimitOptions
            //{
            //    Capacity = 10,
            //    Duration = TimeSpan.FromMinutes(1)
            //};

            //builder.Services.AddRateLimiting(rateLimitOptions);
            var rateOptions = new RateLimiterOptions();
            rateOptions.OutputLimitMessageAsHtml = false;
            rateOptions.OutputLimitMessageAsXml = false;
            rateOptions.OutputLimitMessageAsJson = true;

            rateOptions.AddDefaultConfiguration(config =>
                config.AddIpResolver().AddRule(3, TimeSpan.FromSeconds(10))
            );

            RateLimiterMiddleware.OnLimitResponseCreated += RateLimiterMiddlewareOnLimitResponseCreatedAsync;

            async void RateLimiterMiddlewareOnLimitResponseCreatedAsync(object? sender, HttpContext httpContext)
            {
                await httpContext.Response.WriteAsync(" THIS IS MY CUSTOM RATE LIMIT MESSAGE").ConfigureAwait(false);
            }

            //builder.Services.UseWebRateLimiter(rateOptions);
            builder.Services.UseWebRateLimiter(rateOptions);
            builder.Services.UseWebRateLimiter(rateOptions =>
            {
                // Configures the default rateLimitConfiguration
                rateOptions.AddDefaultConfiguration(rateLimitConfiguration =>
                {
                    // throttling is based on request ip
                    rateLimitConfiguration.AddIpResolver()
                        // add general rules for all ips
                        .AddRule(3, TimeSpan.FromSeconds(10)) // 3 requests could be called every 10 seconds
                        .AddRule(30, TimeSpan.FromMinutes(1)) // 30 requests could be called every 1 minute
                        .AddRule(500, TimeSpan.FromHours(1)); // 500 requests could be called every 1 hour
                });
            });
            builder.Services.AddMemoryCache();


            var app = builder.Build();

            // Configure the HTTP request pipeline.
            if (!app.Environment.IsDevelopment())
            {
                app.UseExceptionHandler("/Error");
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }

            //EonaCat.Web.RateLimiter.RateLimiterOptions options = new EonaCat.Web.RateLimiter.RateLimiterOptions();
            //options.LimitMessage = "FUCKING NOOB!";
            //options.WriteLimitMessageToResponse = true;
            //options.WriteLimitMessageStatusCodeToResponse = true;
            //app.UseRateLimiter(options);
            //RateLimiterMiddleware.OnLimitResponseCreated += RateLimiterMiddleware_OnLimitResponseCreatedAsync;
            //async void RateLimiterMiddleware_OnLimitResponseCreatedAsync(object? sender, HttpContext httpContext)
            //{
            //    await httpContext.Response.WriteAsync("THIS IS MY CUSTOM RATE LIMIT MESSAGE");
            //}

            //app.UseWebTracer();

            app.UseHttpsRedirection();
            app.UseStaticFiles();

            app.UseRouting();
            app.UseAuthorization();
            app.UseWebRateLimiter();

            app.MapRazorPages().RateLimit();

            void RunLoggingExceptionTests()
            {
                var loggerSettings = new LoggerSettings();
                loggerSettings.FileLoggerOptions.UseLocalTime = true;
                loggerSettings.UseLocalTime = true;
                loggerSettings.Id = "TEST";
                loggerSettings.TypesToLog.Add(ELogType.INFO);

                var logger = new LogManager(loggerSettings);
                for (var i = 0; i < 10; i++)
                {
                    try
                    {
                        throw new Exception($"Normal Exception {i}");
                    }
                    catch (Exception exception)
                    {
                        logger.WriteAsync(exception).ConfigureAwait(false);
                        Console.WriteLine($"Normal ExceptionLogged: {i}");
                    }

                    Task.Delay(1);
                }
            }

            //MemoryLeakTester.Start(logger);
            _ = Task.Run(RunMemoryReportTask).ConfigureAwait(false);
            _ = Task.Run(RunMaskTest).ConfigureAwait(false);
            _ = Task.Run(RunWebLoggerTestsAsync).ConfigureAwait(false);
            _ = Task.Run(RunWebLoggingTests).ConfigureAwait(false);
            _ = Task.Run(RunLoggingTestsAsync).ConfigureAwait(false);
            _ = Task.Run(RunLoggingExceptionTests).ConfigureAwait(false);
            _ = Task.Run(RunWebLoggingExceptionTests).ConfigureAwait(false);

            async Task RunMemoryReportTask()
            {
                while (true)
                {
                    await MemoryGuard.PrintReportAsync().ConfigureAwait(false);
                    await Task.Delay(60000).ConfigureAwait(false);
                    Console.ReadKey();
                }
            }

            void RunWebLoggingExceptionTests()
            {
                for (var i = 0; i < 10; i++)
                {
                    try
                    {
                        throw new Exception($"WebException {i}");
                    }
                    catch (Exception exception)
                    {
                        app.Logger.LogCritical(exception, "CRITICAL");
                        app.Logger.LogDebug(exception, "DEBUG");
                        app.Logger.LogError(exception, "ERROR");
                        app.Logger.LogTrace(exception, "TRACE");
                        app.Logger.LogWarning(exception, "WARNING");
                        app.Logger.LogInformation(exception, "INFORMATION");
                        Console.WriteLine($"WebExceptionLogged: {i}");
                    }

                    Task.Delay(1);
                }
            }

            async Task RunWebLoggingTests()
            {
                if (!Directory.Exists(logger.LogFolder))
                {
                    Directory.CreateDirectory(logger.LogFolder);
                }

                for (var i = 0; i < 9000000; i++)
                {
                    app.Logger.LogInformation($"web-test {i}");
                    using (var file = new StreamWriter(Path.Combine(logger.LogFolder, "test.log"), true))
                    {
                        await file.WriteAsync($"WebLogged: {i}{Environment.NewLine}").ConfigureAwait(false);
                    }
                    Console.WriteLine($"WebLogged: {i}");
                    await Task.Delay(1);
                }
            }

            async Task RunMaskTest()
            {
                if (!Directory.Exists(logger.LogFolder))
                {
                    Directory.CreateDirectory(logger.LogFolder);
                }

                for (var i = 0; i < 9000000; i++)
                {
                    var message = $"mask-test {i}";
                    app.Logger.LogInformation("password: test");
                    app.Logger.LogInformation("JWT Token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c");
                    app.Logger.LogInformation("JWT Token2: eyJhbGciOiJQUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.iOeNU4dAFFeBwNj6qdhdvm-IvDQrTa6R22lQVJVuWJxorJfeQww5Nwsra0PjaOYhAMj9jNMO5YLmud8U7iQ5gJK2zYyepeSuXhfSi8yjFZfRiSkelqSkU19I-Ja8aQBDbqXf2SAWA8mHF8VS3F08rgEaLCyv98fLLH4vSvsJGf6ueZSLKDVXz24rZRXGWtYYk_OYYTVgR1cg0BLCsuCvqZvHleImJKiWmtS0-CymMO4MMjCy_FIl6I56NqLE9C87tUVpo1mT-kbg5cHDD8I7MjCW5Iii5dethB4Vid3mZ6emKjVYgXrtkOQ-JyGMh6fnQxEFN1ft33GX2eRHluK9eg");

                    using (var file = new StreamWriter(Path.Combine(logger.LogFolder, "testmask.log"), true))
                    {
                        await file.WriteAsync(message);
                    }
                    Console.WriteLine($"Masked: {i}");
                    await Task.Delay(1);
                }
            }

            async Task RunLoggingTestsAsync()
            {
                var loggerSettings = new LoggerSettings();
                loggerSettings.Id = "TEST";
                loggerSettings.UseLocalTime = true;
                loggerSettings.FileLoggerOptions.UseLocalTime = true;
                loggerSettings.TypesToLog.Add(ELogType.INFO);
                loggerSettings.TypesToLog.Add(ELogType.WARNING);
                loggerSettings.TypesToLog.Add(ELogType.ERROR);
                loggerSettings.TypesToLog.Add(ELogType.TRAFFIC);
                loggerSettings.TypesToLog.Add(ELogType.DEBUG);
                loggerSettings.LogDebug();
                loggerSettings.LogInfo();
                loggerSettings.LogWarning();
                loggerSettings.LogError();
                loggerSettings.LogCritical();
                loggerSettings.LogTrace();
                loggerSettings.LogTraffic();
                loggerSettings.FileLoggerOptions.FileSizeLimit = 1024 * 1024 * 1;
                loggerSettings.FileLoggerOptions.FileNamePrefix = "AllTypes";
                loggerSettings.FileLoggerOptions.MaxRolloverFiles = 5;
                var logger = new LogManager(loggerSettings);

                for (var i = 0; i < 9000000; i++)
                {
                    await logger.WriteAsync($"test to file {i} INFO").ConfigureAwait(false);
                    await logger.WriteAsync($"test to file {i} CRITICAL", ELogType.CRITICAL).ConfigureAwait(false);
                    await logger.WriteAsync($"test to file {i} DEBUG", ELogType.DEBUG).ConfigureAwait(false);
                    await logger.WriteAsync($"test to file {i} ERROR", ELogType.ERROR).ConfigureAwait(false);
                    await logger.WriteAsync($"test to file {i} TRACE", ELogType.TRACE).ConfigureAwait(false);
                    await logger.WriteAsync($"test to file {i} TRAFFIC", ELogType.TRAFFIC).ConfigureAwait(false);
                    await logger.WriteAsync($"test to file {i} WARNING", ELogType.WARNING).ConfigureAwait(false);
                    await logger.WriteAsync($"test to file {i} NONE", ELogType.NONE).ConfigureAwait(false);
                    Console.WriteLine($"Logged: {i}");
                    await Task.Delay(1).ConfigureAwait(false);
                }
            }

            async Task RunWebLoggerTestsAsync()
            {
                var i = 0;
                while (true)
                {
                    i++;
                    await Task.Run(async () =>
                    {
                        await logger.LogAsync($"test via logger {i}").ConfigureAwait(false);
                        await logger.LogAsync($"test via logger {i}", ELogType.CRITICAL).ConfigureAwait(false);
                        await logger.LogAsync($"test via logger {i}", ELogType.DEBUG).ConfigureAwait(false);
                        await logger.LogAsync($"test via logger {i}", ELogType.ERROR).ConfigureAwait(false);
                        await logger.LogAsync($"test via logger {i}", ELogType.TRAFFIC).ConfigureAwait(false);
                        await logger.LogAsync($"test via logger {i}", ELogType.WARNING).ConfigureAwait(false);
                        await logger.LogAsync($"test via logger {i}", ELogType.NONE).ConfigureAwait(false);
                    }).ConfigureAwait(false);
                    await Task.Delay(1).ConfigureAwait(false);
                }
            }
            app.Run();
        }

        private static void Instance_LeakDetected(object? sender, EonaCat.MemoryGuard.EventArguments.MemoryLeakDetectedEventArgs e)
        {
            // Leak detected            
        }
    }

    static class MemoryLeakTester
    {
        // Rooted forever → GC can never collect
        private static readonly List<byte[]> _managedLeak = new();
        private static readonly List<GCHandle> _handles = new();

        public static void Start(Logger logger)
        {
            // Leak triggered via logging (very realistic)
            logger.LoggerSettings.OnLog += OnLogLeak;

            // Optional background unmanaged leak
            StartUnmanagedLeak();

            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("⚠ MEMORY LEAK TEST ENABLED");
            Console.ResetColor();
        }

        private static void OnLogLeak(EonaCatLogMessage message)
        {
            // 5 MB per log
            var data = new byte[5_000_000];
            _managedLeak.Add(data);

            // GCHandle leak (advanced / nasty)
            _handles.Add(GCHandle.Alloc(data, GCHandleType.Normal));
        }

        private static void StartUnmanagedLeak()
        {
            _ = Task.Run(async () =>
            {
                while (true)
                {
                    Marshal.AllocHGlobal(10_000_000); // 10 MB unmanaged
                    await Task.Delay(500).ConfigureAwait(false);
                }
            });
        }
    }

}