using System;
using System.Diagnostics;
using System.IO;
using System.Text.RegularExpressions;
using JD.Core;

namespace JD.Remoting
{
    public static class PlatformUtilities
    {
        public static string GetSdkPath(PlatformId platform)
        {
            switch (platform)
            {
                case PlatformId.DURANGO:
                    return Environment.ExpandEnvironmentVariables("%DurangoXDK%");
                default:
                    throw new NotImplementedException();
            }

        }

        public static bool SelectConsole(PlatformId platform, string ip)
        {
            switch (platform)
            {
                case PlatformId.DURANGO:
                    var workingDirectory = Path.Combine(GetSdkPath(platform), "bin");

                    var xbconnectProcessInfo = new ProcessStartInfo();
                    xbconnectProcessInfo.FileName = Path.Combine(workingDirectory, "xbconnect.exe");
                    xbconnectProcessInfo.Arguments = ip;
                    xbconnectProcessInfo.CreateNoWindow = true;
                    xbconnectProcessInfo.UseShellExecute = false;
                    xbconnectProcessInfo.RedirectStandardOutput = true;
                    xbconnectProcessInfo.RedirectStandardError = true;
                    var xbConnectProcess = Process.Start(xbconnectProcessInfo);
                    xbConnectProcess?.WaitForExit();

                    return xbConnectProcess.StandardOutput.ReadToEnd().Contains($"Default console set to \"{ip}\" (devkit)");
                default:
                    throw new NotImplementedException();
            }
        }

        public enum ConnectionType
        {
            Debug,
            Game
        }

        public static string GetConsoleIp(PlatformId platform, ConnectionType connectionType)
        {
            switch (platform)
            {
                case PlatformId.PC:
                    return "127.0.0.1";
                case PlatformId.DURANGO:
                    // > xbconnect
                    // Connections at 10.31.4.205, client build 6.2.11274.0:
                    //     HOST: 6.2.11274.0 (Durango Host OS) @10.31.4.205
                    //   SYSTEM: 6.2.11274.0 (Durango System OS) @10.31.5.183
                    //    TITLE: 6.2.11274.0 (Durango Title OS) @10.31.5.183
                    var workingDirectory = Path.Combine(GetSdkPath(platform), "bin");
                    var xbconnectProcessInfo = new ProcessStartInfo();
                    xbconnectProcessInfo.FileName = Path.Combine(workingDirectory, "xbconnect.exe");
                    xbconnectProcessInfo.Arguments = "";
                    xbconnectProcessInfo.CreateNoWindow = true;
                    xbconnectProcessInfo.UseShellExecute = false;
                    xbconnectProcessInfo.RedirectStandardOutput = true;
                    xbconnectProcessInfo.RedirectStandardError = true;
                    var xbConnectProcess = Process.Start(xbconnectProcessInfo);
                    xbConnectProcess.WaitForExit();
                    var log = xbConnectProcess.StandardOutput.ReadToEnd();
                    switch (connectionType)
                    {
                        case ConnectionType.Debug:
                            return Regex.Match(log, "HOST.*@(.*)\n").Groups[1].ToString().Trim('\r');
                        case ConnectionType.Game:
                            return Regex.Match(log, "SYSTEM.*@(.*)\n").Groups[1].ToString().Trim('\r');
                        default:
                            throw new ArgumentOutOfRangeException("connectionType");
                    }
                default:
                    throw new NotImplementedException();
            }
        }

        public static bool ProcessIsRunning(PlatformId platform, string processIdentifier)
        {
            switch (platform)
            {
                case PlatformId.DURANGO:
                    // xbapp query JustDance2016_0.0.0.0_x64__z1zgv8ff8e49g
                    //   Package execution state: 1 (running)
                    var xbappProcessInfo = new ProcessStartInfo();
                    xbappProcessInfo.FileName = Path.Combine(GetSdkPath(platform), "bin", "xbapp.exe");
                    xbappProcessInfo.Arguments = $"query {processIdentifier}";
                    xbappProcessInfo.CreateNoWindow = true;
                    xbappProcessInfo.UseShellExecute = false;
                    xbappProcessInfo.RedirectStandardOutput = true;
                    xbappProcessInfo.RedirectStandardError = true;
                    var xbAppProcess = Process.Start(xbappProcessInfo);
                    xbAppProcess.WaitForExit();

                    var log = xbAppProcess.StandardOutput.ReadToEnd();
                    return log.Contains("running") || log.Contains("constrained");
                default:
                    throw new NotImplementedException();
            }
        }

        public class DurangoPackageInfo
        {
            public string PackageGameName { get; set; }
            public string PackageVersion { get; set; }
            public string PackageAssembly { get; set; }
            public string PackageHash { get; set; }
        }

        public static DurangoPackageInfo ParseDurangoPackageFullName(string packageFullName)
        {
            var match = Regex.Match(packageFullName, @"(.*)_(\d+\.\d+\.\d+\.\d+)_(.*)__(.*)");
            if (!match.Success)
                throw new Exception($"Cannot retrieve package hash from {packageFullName}");
            var packageInfo = new DurangoPackageInfo
            {
                PackageGameName = match.Groups[1].ToString(),
                PackageVersion = match.Groups[2].ToString(),
                PackageAssembly = match.Groups[3].ToString(),
                PackageHash = match.Groups[4].ToString()
            };
            // x64, neutral
            return packageInfo;
        }

    }
}