using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Management;
using System.Net.Http;
using System.Text.Json.Serialization;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using AipGateway.AIP;
using Serilog;
using Newtonsoft.Json;
using System.IO;

namespace AipGateway.Test
{
    class Program
    {
        private static string _email = "seungho@ms365.hanteinfo.com";
        private static string _apiKey = "24826125-188B-4875-A841-F9146DD267F0";
        private static string _aipGuid = "1098bdb0-f2bc-43d3-b9c7-e610431fc1a4";

        private static AipFileManager _aipFileManager;
        private static string[] dispFileNames = { 
            "sample.pptx",
            "sample-1.pptx", "sample-2.pptx", "sample-3.pptx", "sample-4.pptx", "sample-5.pptx",
            "sample-6.pptx", "sample-7.pptx", "sample-8.pptx", "sample-9.pptx", "sample-10.pptx",
            "sample-11.pptx", "sample-12.pptx", "sample-13.pptx", "sample-14.pptx", "sample-15.pptx",
            "sample-16.pptx", "sample-17.pptx", "sample-18.pptx", "sample-19.pptx", "sample-20.pptx",
            "sample-21.pptx", "sample-22.pptx", "sample-23.pptx", "sample-24.pptx", "sample-25.pptx",
            "sample-26.pptx", "sample-27.pptx", "sample-28.pptx", "sample-29.pptx", "sample-30.pptx",
        };
        private static string[] realFileNames = dispFileNames;

        public static long GetElapsedMilliseconds(long start)
        {
            return (long)((Stopwatch.GetTimestamp() - start) * 1000 / (double)Stopwatch.Frequency);
        }
        public static void SetSystemConfig()
        {
            ThreadPool.GetAvailableThreads(out int workerThreads1, out int completionPortThreads1);
            ThreadPool.GetMaxThreads(out int workerThreads2, out int completionPortThreads2);
            ThreadPool.GetMinThreads(out int workerThreads3, out int completionPortThreads3);
            Log.Information("                AvailableThreads: worker({0}), port({1})", workerThreads1, completionPortThreads1);
            Log.Information("                      MaxThreads: worker({0}), port({1})", workerThreads2, completionPortThreads2);
            Log.Information("                      MinThreads: worker({0}), port({1})", workerThreads3, completionPortThreads3);

            Log.Information("               UseNagleAlgorithm: {0}", System.Net.ServicePointManager.UseNagleAlgorithm);
            System.Net.ServicePointManager.UseNagleAlgorithm = false;
            Log.Information("               UseNagleAlgorithm: {0}, Application Set.", System.Net.ServicePointManager.UseNagleAlgorithm);

            Log.Information("               Expect100Continue: {0}", System.Net.ServicePointManager.Expect100Continue);
            System.Net.ServicePointManager.Expect100Continue = false;
            Log.Information("               Expect100Continue: {0}, Application Set.", System.Net.ServicePointManager.Expect100Continue);

            Log.Information("  CheckCertificateRevocationList: {0}", System.Net.ServicePointManager.CheckCertificateRevocationList);
            System.Net.ServicePointManager.CheckCertificateRevocationList = true;
            Log.Information("  CheckCertificateRevocationList: {0}, Application Set.", System.Net.ServicePointManager.CheckCertificateRevocationList);


            Log.Information("DefaultPersistentConnectionLimit: {0}", System.Net.ServicePointManager.DefaultPersistentConnectionLimit);
            Log.Information("          DefaultConnectionLimit: {0}", System.Net.ServicePointManager.DefaultConnectionLimit);
            System.Net.ServicePointManager.DefaultConnectionLimit = 2048;
            Log.Information("          DefaultConnectionLimit: {0}, Application Set.", System.Net.ServicePointManager.DefaultConnectionLimit);

            // Bump up the min threads reserved for this app to ramp connections faster - minWorkerThreads defaults to 4, minIOCP defaults to 4 
            ThreadPool.SetMinThreads(100, 100);
            // Change max connections from .NET to a remote service default: 2
            //System.Net.ServicePointManager.DefaultConnectionLimit = 65000;
            // Turn off the Expect 100 to continue message - 'true' will cause the caller to wait until it round-trip confirms a connection to the server 
            //System.Net.ServicePointManager.Expect100Continue = false;
            // Can decrease overall transmission overhead but can cause delay in data packet arrival
            //System.Net.ServicePointManager.UseNagleAlgorithm = false;

        }

        static void Main(string[] args)
        {
            AipConfig aipConfig = new AipConfig
            {
                AppName        = "AIP.Gateway", // 어플리케이션 이름
                AppVersion     = "1.0.0", // 어플리케이션 버전
                ClientId       = "0e225915-3be3-419c-aa04-284d7de5e16b", // 어플리케이션 ID(클라이언트 ID)
                TenantId       = "2e58414a-c6ae-43ff-aaf5-45ab8b78a404", // 디렉토리(테넌트) ID
                MipData        = "c:\\temp\\app_data\\mip_data", // Mip Data Path
                Domain         = "AIP.Gateway", // Domain
                EMail          = "seungho@ms365.hanteinfo.com", // User E-Mail
                SecretValue    = "CvW8Q~0iANtLN1Y2EXR_nVyYb_tQTDwjW-Z7Ndg3", // 인증 비밀번호
                CertThumbPrint = "C:\\Data\\SSL\\mip\\mip_gateway.pfx" // 인증서 지문
            };
            string tempLoginType = "authLoginCert";
            AipAuthLoginType loginType = (AipAuthLoginType)Enum.Parse(typeof(AipAuthLoginType), tempLoginType, true);
            aipConfig.LoginType = loginType;

            var serillogLogger = new LoggerConfiguration()
                .ReadFrom.AppSettings(filePath: AppDomain.CurrentDomain.BaseDirectory + @"App.config")
                .WriteTo.Logger(cfg =>
                    cfg.ReadFrom.AppSettings(filePath: AppDomain.CurrentDomain.BaseDirectory + @"serilog.config"))
                .MinimumLevel.Information()
                .Enrich.FromLogContext()
                //.WriteTo.Console()
                .CreateLogger();
            Log.Logger = serillogLogger.ForContext<Program>();

            SetSystemConfig();

            //Log.Error("{0}", args);
            if (args.Length > 0)
            {
                int.TryParse(args[0], out int idx);
                if (idx < 0 || idx > dispFileNames.Length)
                {
                    Log.Error("Argument index error: {0}", idx);
                    return;
                }

                string dispFileName = "c:\\data\\source\\" + dispFileNames[idx];
                string realFileName = "c:\\data\\source\\" + dispFileNames[idx];
                string actualFileName = "c:\\data\\target\\" + dispFileNames[idx];

                string fmtIdx = $"mip_data_{idx}";
                AipConfig aipConfigChild = new AipConfig
                {
                    AppName = "AIP.Gateway", // 어플리케이션 이름
                    AppVersion = "1.0.0", // 어플리케이션 버전
                    ClientId = "0e225915-3be3-419c-aa04-284d7de5e16b", // 어플리케이션 ID(클라이언트 ID)
                    TenantId = "2e58414a-c6ae-43ff-aaf5-45ab8b78a404", // 디렉토리(테넌트) ID
                    MipData = "c:\\temp\\app_data\\" + fmtIdx, // Mip Data Path
                    Domain = "AIP.Gateway", // Domain
                    EMail = "seungho@ms365.hanteinfo.com", // User E-Mail
                    SecretValue = "CvW8Q~0iANtLN1Y2EXR_nVyYb_tQTDwjW-Z7Ndg3", // 인증 비밀번호
                    CertThumbPrint = "C:\\Data\\SSL\\mip\\mip_gateway.pfx" // 인증서 지문
                };

                _aipFileManager = new AipFileManager(serillogLogger, aipConfigChild);

                _aipFileManager.Initialize();
                _aipFileManager.CreateProfile();
                _aipFileManager.CreateEngine();
                SetLabel(dispFileName, realFileName, actualFileName);

                Thread.Sleep(30000);
                return;
            }

            Log.Information("Worker Thread Total {0} EA.", dispFileNames.Length);
            for (int ii = 0; ii < dispFileNames.Length; ii++)
            {
                //StartChildProcess(ii);
            }

            _aipFileManager = new AipFileManager(serillogLogger, aipConfig);

            _aipFileManager.Initialize();
            _aipFileManager.CreateProfile();
            _aipFileManager.CreateEngine();

            Log.Information("SensitivityLabels=======================================================================");
            List<AipLabel> aipLabels = _aipFileManager.SensitivityLabels();
            foreach (var label in aipLabels)
            {
                Log.Information("ID: {0}, NAME: {1}", label.Id, label.Name);
                if (label.Children.Count > 0)
                {
                    foreach (AipLabel child in label.Children)
                    {
                        Log.Information("\tID: {0}, NAME: {1}", child.Id, child.Name);
                    }
                }
            }
            Log.Information("ListSensitivityLabels=======================================================================");

            List<AipLabel> labels2 = _aipFileManager.ListSensitivityLabels();
            foreach (var v in labels2)
            {
                Log.Information("Label List: {0}, {1}, {2}", v.Id, v.Name, v.IsActive);
                if (v.Children.Count > 0)
                {
                    foreach (AipLabel child in v.Children)
                    {
                        Log.Information("\tID: {0}, NAME: {1}", child.Id, child.Name);
                    }
                }
            }
            Log.Information("GetTemplates=======================================================================");
            List<AipTemplate> templates = _aipFileManager.GetTemplates();
            foreach (var v in templates)
            {
                Log.Information("Template: {0}, {1}, {2}", v.Id, v.Name, v.Description);
            }
            Log.Information("=======================================================================");
            ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_ComputerSystemProduct");
            foreach (ManagementObject obj in searcher.Get())
            {
                string uniqueId = obj["UUID"].ToString();
                Log.Information("유일한 식별자 (UUID): {0}", uniqueId);
            }

            Log.Information("=======================================================================");
            Log.Information("=======================================================================\r\n\r\n");

            int qryMode = 2;
            if (args.Length > 0)
            {
                int.TryParse(args[0], out qryMode);
            }
                if (qryMode == 0)
            {
                SetLabelsAll();
            }
            else if (qryMode == 1)
            {
                Test1();
                //SetLabelsAllAsync(99);
            }
            else if (qryMode == 2)
            {
                SetLabelsApiCallAllAsync();
            }

#if false
            Log.Information("Waiting Child Process =======================================================================");
            var currentProcessPath = Process.GetCurrentProcess().MainModule.FileName;
            Process[] precesses = Process.GetProcessesByName(currentProcessPath);
            while (precesses != null && precesses.Length != 0 && precesses.Length != 1)
            {
                foreach (var process in precesses)
                {
                    process.EnableRaisingEvents = true;
                    process.Exited += (sender, eventArgs) =>
                    {
                        Log.Information("Child process {0} has exited.", process.Id);
                    };
                }
                precesses = Process.GetProcessesByName(currentProcessPath);
            }
#endif
            Log.Information("Press a key to continue...");
            Console.ReadKey();
            Log.CloseAndFlush();
        }

        public static void SetLabelsAll()
        {
            var startTotal = Stopwatch.GetTimestamp();
            Log.Information("SetLabel Tatal {0} EA. Start.", dispFileNames.Length);

            for (int ii = 0; ii < dispFileNames.Length; ii++)
            {
                string dispFileName = "c:\\data\\source\\" + dispFileNames[ii];
                string realFileName = "c:\\data\\source\\" + dispFileNames[ii];
                string actualFileName = "c:\\data\\target\\" + dispFileNames[ii];

                var start = Stopwatch.GetTimestamp();
                //Log.Information("SetLabel Start: {0}", dispFileName);
                _aipFileManager.SetLabel(realFileName, actualFileName, _email, _aipGuid, "", "string");
                Log.Information("SetLabel ..End: {0} ms. {1}", GetElapsedMilliseconds(start), dispFileName);
            }

            Log.Information("SetLabel Tatal {0} EA. ..Stop. {1} ms.", dispFileNames.Length, GetElapsedMilliseconds(startTotal));
        }
        public static void SetLabel(string dispFileName, string realFileName, string actualFileName)
        {
            var start = Stopwatch.GetTimestamp();
            Log.Information("SetLabel Start: {0}", dispFileName);
            _aipFileManager.SetLabel(realFileName, actualFileName, _email, _aipGuid, "", "string");
            Log.Information("SetLabel ..End: {0} ms. {1}", GetElapsedMilliseconds(start), dispFileName);
        }

        public static async void Test1()
        {
            var startTotal = Stopwatch.GetTimestamp();
            int reqIdx = 0;
            await SetLabelsAllAsync(reqIdx++);
            await SetLabelsAllAsync(reqIdx++);
            await SetLabelsAllAsync(reqIdx++);
            await SetLabelsAllAsync(reqIdx++);
            await SetLabelsAllAsync(reqIdx++);
            Log.Error("&&&&&&&&&&&&&&&&&&&&&&&&&&&&& SetLabel Tatal {0} EA. ..Stop. {1} ms.", dispFileNames.Length, GetElapsedMilliseconds(startTotal));
        }

        public static async Task<bool> SetLabelsAllAsync(int reqIdx)
        {
            var startTotal = Stopwatch.GetTimestamp();
            Log.Error("SetLabelsAllAsync Tatal {0} EA. Start.{1}.", dispFileNames.Length, reqIdx);

            List<SetFileInfo> result = new List<SetFileInfo>();
            var tasks = new List<Task<SetFileInfo>>();
            for (int ii = 0; ii < dispFileNames.Length; ii++)
            {
                string dispFileName = "c:\\data\\source\\" + dispFileNames[ii];
                string realFileName = "c:\\data\\source\\" + dispFileNames[ii];
                string actualFileName = "c:\\data\\target\\" + dispFileNames[ii];

                //SetFileInfo result = _aipFileManager.SetLabel(realFileName, actualFileName, aipConfig.EMail, _aipGuid, "", "string");

                tasks.Add( Task.Run(() =>
                {
                    //var start = Stopwatch.GetTimestamp();
                    //Log.Information("SetLabel Start: {0}", dispFileName);
                    Thread.Sleep(100);
                    SetFileInfo fileInfo = _aipFileManager.SetLabel(realFileName, actualFileName, _email, _aipGuid, "", "string");
                    //Log.Information("SetLabel ..End: {0} ms. {1}", GetElapsedMilliseconds(start), dispFileName);
                    return fileInfo;
                }));
            }
            await Task.WhenAll(tasks);

            Log.Error("====================== SetLabelsAllAsync Tatal {0} EA. ..Stop. {1}, {2} ms.", dispFileNames.Length, reqIdx, GetElapsedMilliseconds(startTotal));
            return true;
        }

        static async void SetLabelsApiCallAllAsync()
        {
            var startTotal = Stopwatch.GetTimestamp();
            //Log.Information("SetLabel Tatal {0} EA. Start.", dispFileNames.Length);
            int reqIdx = 0;
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            await SetLabelsApiCallAsync(reqIdx++);
            Log.Error("&&&&&&&&&&&&&&&&&&&&&&&&&&&&& SetLabel Tatal {0} EA. ..Stop. {1} ms.", dispFileNames.Length, GetElapsedMilliseconds(startTotal));
        }
        static async Task<bool> SetLabelsApiCallAsync(int reqIdx)
        {
            var startTotal = Stopwatch.GetTimestamp();
            Log.Error("SetLabelsApiCallAsync Tatal {0} EA. Start. {1}.", dispFileNames.Length, reqIdx);

            HttpClient _httpClient = new HttpClient(new HttpClientHandler
            {
                MaxConnectionsPerServer = int.MaxValue
            });
            _httpClient.DefaultRequestHeaders.ConnectionClose = false;
            _httpClient.Timeout = TimeSpan.FromSeconds(20);

            int Port = 7000;
            int seq = 0;
            List<SetFileInfo> result = new List<SetFileInfo>();
            var tasks = new List<Task<ApiResponseModel<ResponseFile>>>();
            for (int ii = 0; ii < dispFileNames.Length; ii++)
            {
                string dispFileName = dispFileNames[ii];
                string realFileName = dispFileNames[ii];
                string actualFileName = dispFileNames[ii];

                RequestFileSet reqFileSet = new RequestFileSet
                {
                    apiKey = _apiKey,
                    email = _email,
                    aipGuid = _aipGuid,
                    comment = "comment",
                    file = new RequestFile
                    {
                        dispFileName = dispFileName,
                        realFileName = realFileName,
                    }
                };

                var json = JsonConvert.SerializeObject(reqFileSet);
                var content = new StringContent(json, Encoding.UTF8, "application/json");
                string reqUri = $"http://localhost:{Port+ seq++}/api/v1/file/set-label";
                if (seq >= 31) seq = 0;

                //Log.Information($"{reqUri}");
                //var start0 = Stopwatch.GetTimestamp();
                //SetFileInfo tempInfo = SendRequestsAsync(_httpClient, reqUri, reqFileSet).Result;
                //Log.Information("SetLabel Start: {0}", DateTime.Now);
                //var response = await _httpClient.PostAsync(reqUri, content);//.ConfigureAwait(false);
                //Log.Information("SetLabel ..End: {0} ms. {1}", GetElapsedMilliseconds(start0), reqUri);

                tasks.Add(Task.Run(() =>
                {
                    var start = Stopwatch.GetTimestamp();
                    ApiResponseModel<ResponseFile> fileInfo = SendRequestsAsync(_httpClient, reqUri, reqFileSet).Result;
                    //Log.Information("SetLabel ..End: {0} ms. {1}", GetElapsedMilliseconds(start), JsonConvert.SerializeObject(fileInfo));
                    return fileInfo;
                }));

            }
            await Task.WhenAll(tasks);

            Log.Error("**************** SetLabelsApiCallAsync Tatal {0} EA. ..Stop. {1}, {2} ms.", dispFileNames.Length, reqIdx, GetElapsedMilliseconds(startTotal));
            return true;
        }

        private static async Task<ApiResponseModel<ResponseFile>> SendRequestsAsync(HttpClient httpClient, string reqUri, RequestFileSet reqFileSet)
        {
            var content = new StringContent(JsonConvert.SerializeObject(reqFileSet), Encoding.UTF8, "application/json");

            var response = await httpClient.PostAsync(reqUri, content);//.ConfigureAwait(false);

            if (response.IsSuccessStatusCode)
            {
                Log.Information($"Request successful for: {reqFileSet.file.dispFileName}");
            }
            else
            {
                Log.Error($"Request failed for: {reqFileSet.file.dispFileName}. Status code: {response.StatusCode}");
            }
            //Log.Error("{0}", JsonConvert.SerializeObject(response.Content.ToString()));
            //string stringContents = await response.Content.ReadAsStringAsync();
            //Log.Error($"Contents: {stringContents}");
            //return JsonConvert.DeserializeObject<ApiResponseModel<ResponseFile>>(stringContents);
            return JsonConvert.DeserializeObject<ApiResponseModel<ResponseFile>>(await response.Content.ReadAsStringAsync());
        }

        static void StartChildProcess(int idx)
        {
            var currentProcessPath = Process.GetCurrentProcess().MainModule.FileName;

            var startInfo = new ProcessStartInfo
            {
                FileName = currentProcessPath,
                Arguments = $"{idx}",
                CreateNoWindow = true,
                UseShellExecute = false
            };

            Process prcs = Process.Start(startInfo);
            Log.Information("Worker Thread Start {0} ==> {1}, {2}, {3}.", idx, prcs.Id, prcs.SessionId, prcs.ProcessName);
        }

    }
}