using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NX_Installation
{
    class Task
    {
        public void CreateLoginTask(string Platform)
        {
            //Abfragen ob Scheduled Task schon existiert
            //bool taskAlreadyExist = TaskAlreadyExist("3DconnexionSkipUAC");
            if (TaskAlreadyExist("3DconnexionSkipUAC"))
            {
                //Console.WriteLine("\nScheduled task already exists.");
            }
            else
            {
                CreateNewTask("3DconnexionSkipUAC", Platform);
            }
        }

        //Abfragen ob Scheduled Task schon existiert
        private bool TaskAlreadyExist(string taskname)
        {
            ProcessStartInfo start = new ProcessStartInfo();
            start.FileName = "schtasks.exe"; // Specify exe name.
            start.UseShellExecute = false;
            start.CreateNoWindow = true;
            start.WindowStyle = ProcessWindowStyle.Hidden;
            start.Arguments = "/query /TN " + taskname;
            start.RedirectStandardOutput = true;
            // Start the process.
            using (Process process = Process.Start(start))
            {
                // Read in all the text from the process with the StreamReader.
                using (StreamReader reader = process.StandardOutput)
                {
                    string stdout = reader.ReadToEnd();
                    if (stdout.Contains(taskname))
                    {
                        return true;
                    }
                    else
                    {
                        return false;
                    }
                }
            }
        }

        //Scheduled Task anlegen, welcher den Spacemouse Server beim Einloggen mit Administrator Rechten starten
        private void CreateNewTask(string taskname, string Platform)
        {
            string program = Environment.GetEnvironmentVariable("ProgramFiles");
            if (Platform == "64bit" & program.Contains("x86"))
            {
                program = program.Replace(" (x86)", "");
            }
            program = program + @"\3Dconnexion\3Dconnexion 3DxSoftware\3DxWare64\3dxsrv.exe";

            ProcessStartInfo start = new ProcessStartInfo();
            start.FileName = "schtasks.exe"; // Specify exe name.
            start.UseShellExecute = false;
            start.CreateNoWindow = true;
            start.WindowStyle = ProcessWindowStyle.Hidden;
            start.Arguments = "/create /TN " + taskname + " /TR '\"" + program + "\"' /RL highest /SC onlogon";
            start.RedirectStandardOutput = true;
            // Start the process.
            Process process = Process.Start(start);
        }
    }
}