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 System.IO.Ports;
using System.Diagnostics;

namespace DPFCleaner
{
    public partial class MainForm : Form
    {

        SerialPort sp = new SerialPort();
        string selectedPort;


        public MainForm()
        {
            InitializeComponent();
            sp.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
        }

        private void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e)
        {
            SerialPort sp1 = (SerialPort)sender;
            string indata = sp1.ReadExisting();
            //displayToWindow(indata);
            Debug.Write(indata);
            Console.Write(indata);
            lbReceived.Items.Add(indata);
        }

        private void displayToWindow(string inData)
        {
            BeginInvoke(new EventHandler(delegate
            {
                Console.Write(inData);
            }));
        }

        private void exitButton_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void searchPortsButton_Click(object sender, EventArgs e)
        {
            string[] ports = SerialPort.GetPortNames();

            for(int i = 0; i < ports.Length; i++)
            {
                lbPorts.Items.Add(ports[i]);
            }
        }

        private void lbPorts_SelectedIndexChanged(object sender, EventArgs e)
        {
            selectedPort = lbPorts.SelectedItem.ToString();
            lSelectedPort.Text = selectedPort;
        }

        private void btOpenPort_Click(object sender, EventArgs e)
        {
            if (selectedPort != null)
            {
                sp = new SerialPort(selectedPort, 38400);
                if (!sp.IsOpen)
                {
                    try
                    {
                        sp.Open();
                        lPortStatus.Text = "Port Otworzono";
                    }
                    catch (Exception ex)
                    {
                        Debug.WriteLine(ex);
                    }
                }
                else
                {
                    lPortStatus.Text = "Port jest już otwarty";
                }
            }
            else
            {
                lSelectedPort.Text = "Nie wybrano portu!";
            }

        }

        private void btClosePort_Click(object sender, EventArgs e)
        {
            if (sp != null) sp.Dispose();

            if (sp.IsOpen)
            {
                try
                {
                    sp.Close();
                    lPortStatus.Text = "Port zamknięto";
                }
                catch(Exception ex)
                {
                    Debug.WriteLine(ex);
                }
            }
            else
            {
                lPortStatus.Text = "Port jest już zamknięty";
            }
        }

        private void btSerialSend_Click(object sender, EventArgs e)
        {
            if (sp.IsOpen)
            {
                try
                {
                    sp.Write("test123");
                }
                catch(Exception ex)
                {
                    lPortStatus.Text = ex.ToString();
                }
            }
            else
            {
                lPortStatus.Text = "Port nie otwarty, nie mozna wyslac";
            }
        }

        private void MainForm_Load(object sender, EventArgs e)
        {

            sp.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
        }
    }
}