using ORiN2.ManagedCAO;
using System;
using System.Windows.Forms;

namespace LaserMarkerSample
{
    public partial class Form1 : Form
    {
        private CCaoEngine _eng;
        private CCaoWorkspace _ws;
        private CCaoController _ctrl;
        private CCaoVariable _varReady;
        private CCaoVariable _varProgramNo;

        enum Status
        {
            Conected,
            Disconected
        }

        public Form1()
        {
            InitializeComponent();

            // Create CaoEngine
            _eng = new CCaoEngine();

            // Create CaoWorkspace
            _ws = _eng.AddWorkspace("SampleWorkspace", "");

            ChangeEnable(Status.Disconected);
        }

        private void _btnConnect_Click(object sender, EventArgs e)
        {
            // Create CaoController Option
            var optionString = "Conn=";
            if (_rdbIp.Checked == true)
            {
                optionString += "eth:" + _txbIp.Text + ":" + _nudPort.Value;
            }
            else if (_rdbCom.Checked == true)
            {
                optionString += "com:" + _nudCom.Value;
            }
            else
            {
                MessageBox.Show("Select IP or COM");
                return;
            }
            optionString += ",Timeout=" + _nudConnectTimeout.Value;

            try
            {
                // Create CaoController
                _ctrl = _ws.AddController("controller1", "CaoProv.KEYENCE.LaserMarker", string.Empty, optionString);

                // Create CaoVariable
                _varReady = _ctrl.AddVariable("@READY", string.Empty);
                _varProgramNo = _ctrl.AddVariable("@PROGRAM_NO", string.Empty);

                ChangeEnable(Status.Conected);
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }

        private void _btnDisconnect_Click(object sender, EventArgs e)
        {
            try
            {
                // Delete CaoController
                if (_ctrl != null)
                {
                    _ws.Controllers.Remove(_ctrl.Index);
                    _ctrl = null;
                }

                ChangeEnable(Status.Disconected);
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }

        private void _btnGetReady_Click(object sender, EventArgs e)
        {
            try
            {
                _txbReady.Text = _varReady.Value.ToString();
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }

        private void _btnMarkingStart_Click(object sender, EventArgs e)
        {
            try
            {
                _ctrl.Execute("StartMarking", new object[] { false, _nudConnectTimeout.Value });
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }

        private void _btnGetProgramNo_Click(object sender, EventArgs e)
        {
            try
            {
                _nudProgramNo.Value = Convert.ToDecimal(_varProgramNo.Value);
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }

        private void _btnSetProgramNo_Click(object sender, EventArgs e)
        {
            try
            {
                _varProgramNo.Value = _nudProgramNo.Value;
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }

        private void ChangeEnable(Status status)
        {
            if (status == Status.Conected)
            {
                _gbxStartMarking.Enabled = true;
                _gbxStatus.Enabled = true;
                _btnConnect.Enabled = false;
                _btnDisconnect.Enabled = true;
            }
            else if (status == Status.Disconected)
            {
                _gbxStartMarking.Enabled = false;
                _gbxStatus.Enabled = false;
                _btnConnect.Enabled = true;
                _btnDisconnect.Enabled = false;
            }
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            // Delete CaoController,
            _btnDisconnect.PerformClick();

            // Delete CaoWorkspace and CaoEngine
            try
            {
                if (_ws != null)
                {
                    _eng.Workspaces.Remove(_ws.Index);
                    _ws = null;
                }
                _eng = null;
            }
            catch (Exception ex)
            {
                MessageBox.Show(this, ex.Message);
            }
        }
    }
}