using CommClient.Client;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CommClient
{
	public partial class MainForm : Form
	{
		private bool isFirstLog = true;
		private ICommClient client;

		public MainForm()
		{
			InitializeComponent();
			InitInstance();
		}

		private void InitInstance()
		{
			chkModbus.CheckedChanged += Chk_CheckedChanged;
			chkOPCUA.CheckedChanged += Chk_CheckedChanged;
			chkSdk.CheckedChanged += Chk_CheckedChanged;
		}

		private void Chk_CheckedChanged(object sender, EventArgs e)
		{
			if (!(sender as RadioButton).Checked)
				return;

			InitClient();
		}

		private void InitClient()
		{
			if (client != null && client.GetStatus())
			{
				Log("--- Disconnect previous connection ---");
				btnDisconnect_Click(null, null);
			}

			if (chkModbus.Checked)
			{
				client = new ModbusMaster();
				Log("--- Run as Modbus mode ---");
			}
			else if (chkOPCUA.Checked)
			{
				Log("--- Run as OPCUA mode ---");
			}
			else if (chkSdk.Checked)
			{
				Log("--- Run as SDK mode ---");
			}
		}
		
		private void ChangeStatus(bool status)
		{

		}

		private void Log(string text)
		{
			rtbLog.AppendText((isFirstLog ? "" : Environment.NewLine) + text);
			isFirstLog = false;

			ScrollToEnd();
		}

		private void ScrollToEnd()
		{
			if (!chkAutoScroll.Checked)
				return;

			rtbLog.SelectionStart = rtbLog.Text.Length;
			rtbLog.ScrollToCaret();
		}

		private void ClearLog()
		{
			rtbLog.Clear();
			isFirstLog = true;
			ScrollToEnd();
		}

		private void btnConnect_Click(object sender, EventArgs e)
		{

		}

		private void btnDisconnect_Click(object sender, EventArgs e)
		{

		}

		private void btnRead_Click(object sender, EventArgs e)
		{

		}

		private void btnWrite_Click(object sender, EventArgs e)
		{

		}

		private void btnClear_Click(object sender, EventArgs e)
		{
			ClearLog();
		}
	}
}