using System;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using InSimDotNet;
using InSimDotNet.Packets;
using System.Collections.Generic;
using System.Threading;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Siren_Application
{
    class Program
    {
        static void Main(string[] args)
        {
            var program = new SirenApplication();
            program.Start();
        }
    }

    class SirenApplication
    {
        // Declare variables and starting values
        InSim insim = new InSim();
        bool CONNECTED;
        public bool PoliceSirenBool;
        public bool PoliceSirenOn;
        public bool PoliceSirenSlow;
        public bool PoliceSirenFast;
        public bool PoliceSirenPier;
        public bool PoliceSirenOff;
        public static long lastTime;

        // DLL Connection to use key states for siren
        [DllImport("user32.dll")]
        public static extern short GetAsyncKeyState(int vKey);
        // Key Press Returns
        public bool KeyPressed(int vk)
        {
            return (GetAsyncKeyState(vk) & 32768) != 0;
        }

        public void Start()
        {
            // Start the insim application and define the settings
            insim.Initialize(new InSimSettings
            {
                Host = "127.0.0.1",
                Port = 29999,
                Admin = String.Empty,
                Flags = InSimFlags.ISF_LOCAL,
                IName = "Siren App"
            });

            // Confirm connection with local message to LFS and console exe
            insim.Send("/echo ^3Siren Application Connected");
            Console.WriteLine("Siren Application Connected");

            // Activate siren
            PoliceSirenOn = true;
            PoliceSirenSlow = true;
            PoliceSirenFast = false;
            PoliceSirenOff = false;
            PoliceSirenBool = true;

            Thread sirenController = new Thread(new ThreadStart(SirenController));
            sirenController.Start();

            // Keep the connection alive by setting CONNECTED to true and create a loop
            CONNECTED = true;
            while(CONNECTED)
            {
                Thread.Sleep(1);
            }
        }

        public void SirenController()
        {
            // Confirm that this void / method has been started as a new thread
            insim.Send("/echo Siren Controller Thread STARTED");

            var timeNow = DateTime.Now.Ticks / 10000;
            var timesinceLast = timeNow - lastTime;

            PoliceSirenSlow = true;

            while (PoliceSirenBool)
            {
                if (KeyPressed(0x21))
                {
                        if (timesinceLast > 1 && timesinceLast < 500)
                        {
                            insim.Send(new IS_SMALL { ReqI = 0, SubT = SmallType.SMALL_LCS, UVal = LocalCarSwitches.LCS_HORN_OFF + LocalCarSwitches.LCS_SIREN_OFF });
                            PoliceSirenSlow = true;
                            PoliceSirenFast = false;
                            PoliceSirenPier = false;
                        }

                        else

                        if (PoliceSirenSlow)
                        {
                            insim.Send(new IS_SMALL { ReqI = 0, SubT = SmallType.SMALL_LCS, UVal = LocalCarSwitches.LCS_HORN_OFF + LocalCarSwitches.LCS_SIREN_SLOW });
                            PoliceSirenSlow = false;
                            PoliceSirenFast = true;
                            PoliceSirenPier = false;
                            lastTime = DateTime.Now.Ticks / 10000;
                        }

                        else

                        if (PoliceSirenFast)
                        {
                            insim.Send(new IS_SMALL { ReqI = 0, SubT = SmallType.SMALL_LCS, UVal = LocalCarSwitches.LCS_HORN_OFF + LocalCarSwitches.LCS_SIREN_FAST });
                            PoliceSirenSlow = false;
                            PoliceSirenFast = false;
                            PoliceSirenPier = true;
                            lastTime = DateTime.Now.Ticks / 10000;
                        }

                        else

                        if (PoliceSirenPier)
                        {
                            while (KeyPressed(0x42))
                            {
                                if (!KeyPressed(0x42))
                                {
                                    Console.WriteLine("b is pressed");
                                }
                            }
                            insim.Send(new IS_SMALL { ReqI = 0, SubT = SmallType.SMALL_LCS, UVal = LocalCarSwitches.LCS_SIREN_OFF + 327688 });
                            PoliceSirenSlow = true;
                            PoliceSirenFast = false;
                            PoliceSirenPier = false;
                            lastTime = DateTime.Now.Ticks / 10000;
                        }
                }
            }
        }
    }
}