using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Squirrel;
using Microsoft.Win32.TaskScheduler;
using System.IO;


namespace BodyshopPartner.Utils
{
    public static class SquirrelAwareHelper
    {
        private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();
        private static string workingDirectory = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);

        public static bool AddHttpExcetion()
        {
            logger.Debug("Attempting to add HTTP Exclusion for web-server");

            string args = string.Format(@"http add urlacl url={0} user={1}", "http://+:1337/", "Everyone");

            ProcessStartInfo psi = new ProcessStartInfo("netsh", args);
            psi.Verb = "runas";
            psi.CreateNoWindow = true;
            psi.WindowStyle = ProcessWindowStyle.Hidden;
            psi.UseShellExecute = true;
            try
            {
                Process.Start(psi).WaitForExit();
                logger.Debug("Added web-server port exclusion.");
                return true;
            }
            catch (Exception Ex)
            {
                logger.Error("Unable to register exception " + Ex.ToString());
                return false;
            }
        }

        public static bool CopyScripts()
        {
            logger.Debug("Attempting to copy scripts to global dir.");
            
            try
            {
                if (!Directory.Exists(AppMetaData.globalScriptsPath))
                {
                    Directory.CreateDirectory(AppMetaData.globalScriptsPath);
                }
                foreach (var srcPath in Directory.GetFiles(workingDirectory + @"\Utils\Scripts"))
                {
                    File.Copy(srcPath, srcPath.Replace(workingDirectory + @"\Utils\Scripts", AppMetaData.globalScriptsPath), true);
                }
                return true;
            }
            catch (Exception Ex)
            {
                logger.Error("Unable to copy scripts " + Ex.ToString());
                return false;
            }
        }


        public static void RemoveOldPaintScaleScript()
        {
            //The paint scale accidentally got added to all people running v31. This was added to remove it. 
            try
            {
                Microsoft.Win32.TaskScheduler.Task existingTask = TaskService.Instance.FindTask("ImEX Online Partner - Paint Scale Connection");
                if (existingTask != null)
                {
                    TaskService.Instance.RootFolder.DeleteTask("ImEX Online Partner - Paint Scale Connection");
                }
            }
            catch (Exception ex)
            {
                logger.Error(ex, "Error removing old paint scale task.");
            }
        }

        public static void InitializeSquirrelAware()
        {
            using (var mgr = new UpdateManager(Utils.UpdateHandler.UpdatePath))
            {
                // Note, in most of these scenarios, the app exits after this method
                // completes!
                SquirrelAwareApp.HandleEvents(
                  onInitialInstall: v =>
                  {
                      logger.Debug("Installing via Squirrel Aware Helper. ", v);

                      try
                      {

                          //Copy scripts from util directory to ImEX Utils.

                          bool successful = CopyScripts();
                          if (successful)
                          {
                              logger.Debug("Successfully copied scripts");
                          }
                          else
                          {
                              logger.Error("Unable to copy scripts.");
                          }

                      }
                      catch (Exception Ex)
                      {
                          logger.Fatal(Ex, "Unable to copy scripts.");
                      }

                      try
                      {

                          //Copy scripts from util directory to ImEX Utils.

                          bool successful = AddHttpExcetion();
                          if (successful)
                          {
                              logger.Debug("Successfully added exception.");
                          }
                          else
                          {
                              logger.Fatal("Unable to set exception for http port");
                          }

                      }
                      catch (Exception Ex)
                      {
                          logger.Fatal("Unable to set exception for http port", Ex.ToString());
                      }
                      Utils.UpdateHandler.ToggleStartWithWindows(true);
                      mgr.CreateShortcutForThisExe();
                  },
                  onAppUpdate: v =>
                  {
                      mgr.CreateShortcutForThisExe();
                      Utils.UpdateHandler.RestoreSettings();
                      Utils.UpdateHandler.ToggleStartWithWindows(Properties.Settings.Default.StartWithWindows);
                      CopyScripts();
                      RemoveOldPaintScaleScript();
                 
                  },
                  onAppUninstall: v =>
                  {
                      mgr.RemoveShortcutForThisExe();
                      try
                      {
                          Microsoft.Win32.TaskScheduler.Task existingTask = TaskService.Instance.FindTask("ImEX Online Partner - Paint Scale Connection Export"); //This is the old scale path. This was accidentally added for everyone. 
                          if (existingTask != null)
                          {
                              TaskService.Instance.RootFolder.DeleteTask("ImEX Online Partner - Paint Scale Connection");
                          }
                      }
                      catch (Exception ex)
                      {
                          logger.Error(ex, "Error removing task while uninstalling.");
                      }
                      try
                      {
                          Microsoft.Win32.TaskScheduler.Task existingTask = TaskService.Instance.FindTask("ImEX Online Partner - Paint Scale Connection Export");
                          if (existingTask != null)
                          {
                              TaskService.Instance.RootFolder.DeleteTask("ImEX Online Partner - Paint Scale Connection Export");
                          }
                      }
                      catch (Exception ex)
                      {
                          logger.Error(ex, "Error removing task while uninstalling.");
                      }
                      try
                      {
                          Microsoft.Win32.TaskScheduler.Task existingTask = TaskService.Instance.FindTask("ImEX Online Partner - ARMS");
                          if (existingTask != null)
                          {
                              TaskService.Instance.RootFolder.DeleteTask("ImEX Online Partner - ARMS");
                          }
                      }
                      catch (Exception ex)
                      {
                          logger.Error(ex, "Error removing task while uninstalling.");
                      }
                  },

                  onFirstRun: () =>
                  {
                      logger.Info("We've run for the first time.");

                      Utils.UpdateHandler.ToggleStartWithWindows(true);
                  });
            }
        }
    }
}