using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using FSUIPC;
using System.IO.Ports;

namespace flight_data
{
    public partial class Form1 : Form
    {
        // Private Static Members
        private static readonly string AppTitle = "FSUIPCClientApplication_CSharp";

        // Create the Offsets we're interested in for this Application
        private Offset<int> airspeed = new Offset<int>(0x02BC);  // Basic integer read example


        private Offset<Double> compass = new Offset<double>(0x02CC); // Example for disconnecting/reconnectingbank
        private Offset<int> pitch = new Offset<int>(0x0578);
        private Offset<int> bank = new Offset<int>(0x057C);
        private Offset<long> playerLatitude = new Offset<long>(0x0560); // Offset for Lat/Lon features
        private Offset<long> playerLongitude = new Offset<long>(0x0568); // Offset for Lat/Lon features


        private Offset<uint> playerHeadingTrue = new Offset<uint>(0x0580); // Offset for moving the plane
        private Offset<long> playerAltitude = new Offset<long>(0x0570); // Offset for moving the plane

        private int pi;
        private int ro;

        private readonly int REFRESH_SCENERY = 65562; // Control number to refresh the scenery

        private FsLatLonPoint EGLL; // Holds the position of London Heathrow (EGLL)
        private FsLatLonQuadrilateral runwayQuad; // defines the four corners of the runway (27L at EGLL)
        private AITrafficServices AI; // Holds a reference to the AI Traffic Services object
        private SerialPort serialport1 = new SerialPort();
        private String port;
        public Form1()
        {
            InitializeComponent();
            // Setup the example data for London Heathrow
            // 1. The position
            //    This shows an FsLongitude and FsLatitude class made from the Degrees/Minutes/Seconds constructor.
            //    The Timer1_Tick() method shows a different contructor (using the RAW FSUIPC values).
            FsLatitude lat = new FsLatitude(51, 28, 39.0d);
            FsLongitude lon = new FsLongitude(0, -27, -41.0d);
            EGLL = new FsLatLonPoint(lat, lon);
            // Now define the Quadrangle for the 27L (09R) runway.
            // We could just define the four corner Lat/Lon points if we knew them.
            // In this example however we're using the helper function to calculate the points
            // from the runway information.  This is the kind of info you can find in the output files
            // from Pete Dowson's MakeRunways program.
            FsLatitude rwyThresholdLat = new FsLatitude(51.464943d);
            FsLongitude rwyThresholdLon = new FsLongitude(-0.434046d);
            double rwyMagHeading = 272.7d;
            double rwyMagVariation = -3d;
            double rwyLength = 11978d;
            double rwyWidth = 164d;
            // Call the static helper on the FsLatLonQuarangle class to generate the Quadrangle for this runway...
            FsLatLonPoint thresholdCentre = new FsLatLonPoint(rwyThresholdLat, rwyThresholdLon);
            double trueHeading = rwyMagHeading + rwyMagVariation;
            runwayQuad = FsLatLonQuadrilateral.ForRunway(thresholdCentre, trueHeading, rwyWidth, rwyLength);
            // Set the default value for the distance units and AI Radar range

        }
        private void openFSUIPC()
        {
            try
            {
                FSUIPCConnection.Open();
                this.btnStart.Enabled = false;
                this.timer1.Interval = 200;
                this.timer1.Enabled = true;
                AI = FSUIPCConnection.AITrafficServices;
                btnStart.Text = "Connected";
                btnStart.BackColor = System.Drawing.Color.Brown;
            }
            catch (Exception ex)
            {

                MessageBox.Show(ex.Message);
                FSUIPCConnection.Close();
                btnStart.Text = "Connect to FSX";
            }
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            foreach (string item in System.IO.Ports.SerialPort.GetPortNames())
            {
                listBox1.Items.Add(item);
            }

            //  port = listBox1.SelectedItems.ToString();

            serialport1.DataBits = 8;
            serialport1.StopBits = StopBits.One;
            serialport1.BaudRate = 9600;
            serialport1.PortName = "COM2";
            serialport1.Open();

            timer1.Interval = 100;
            timer2.Interval = 200;
        }

        private void button1_Click(object sender, EventArgs e)
        {

            openFSUIPC();


        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            try
            {
                FSUIPCConnection.Process();


                double airspeedknots = ((double)airspeed.Value / 128d);
                this.txtIAS.Text = ((int)airspeedknots).ToString();

                //compass heading
                this.txtCompass.Text = ((int)compass.Value).ToString();

                this.lblpitch.Text = ((int)(pitch.Value * 360f / (65536f * 65536f))).ToString();
                this.lblalt.Text = ((int)playerAltitude.Value).ToString();
                this.lblbank.Text = ((int)(bank.Value * 360f / (65536f * 65536f))).ToString();
                this.labelhead.Text = ((int)(playerHeadingTrue.Value * 360f / (65536f * 65536f))).ToString();

                pi = ((int)(pitch.Value * 360f / (65536f * 65536f)));
                ro = ((int)(bank.Value * 360f / (65536f * 65536f)));

            }
            catch (FSUIPCException ex)
            {
                if (ex.FSUIPCErrorCode == FSUIPCError.FSUIPC_ERR_SENDMSG)
                {
                    this.timer1.Enabled = false;
                    this.btnStart.Enabled = true;
                    FSUIPCConnection.Close();
                    MessageBox.Show("The connection to Flight Sim has been lost.", AppTitle, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

                }
                else
                {
                    throw ex;
                }

            }
            catch (Exception)
            {

            }
        }





        private void button1_Click_1(object sender, EventArgs e)
        {
            send();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            serialport1.Close();
        }

        
        private void send()
        {
            if (serialport1.IsOpen == false)
            {
                serialport1.DataBits = 8;
                serialport1.StopBits = StopBits.One;
                serialport1.BaudRate = 9600;
                serialport1.PortName = "COM2";
                serialport1.Open();
            }



            string roll;
            string pich;
            roll = ro.ToString();
            pich = pi.ToString();
            int ro1 = ro;
            int pi1 = pi;


            do
            {


                try
                {
                    if (serialport1.IsOpen)
                    {
                        if (ro > ro1)
                        { roll = "A"; }
                        else if (ro == ro1)
                        { roll = "B"; }
                        else if (ro < ro1)
                        { roll = "C"; }

                        if (pi > pi1)
                        { pich = "E"; }
                        else if (pi == pi1)
                        { pich = "F"; }
                        else if (pi < pi1)
                        { pich = "G"; }

                        label7.Text = roll + "  " + pich;
                        
                        serialport1.Write(roll);

                        serialport1.DiscardInBuffer();
                        serialport1.Write(pich);

                        serialport1.DiscardInBuffer();

                        

                        button1.Text = "Sending...";
                       
                      
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                    button1.Text = "Send Data ";
                    serialport1.Close();
                   
                }

            } while (true);
        }


    }
}