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.Threading;



namespace M423project
{
    public partial class FormPLCIO : Form
    {
        private OPC _opc;
        private List<PLCIO> _ioList = new List<PLCIO>();

        private BindingList<PLCIO> _ioBindlingList;

        #region PLCIO Defination

        private PLCIO[] PLCIOArray =
            {   new PLCIO( "M423.Box.Output.T_2_00", "CIO0002.00", "1#工位电池检测"),
                new PLCIO( "M423.Box.Output.T_2_01", "CIO0002.01", "5#工位电池检测"),
                new PLCIO( "M423.Box.Input.T_2_02", "CIO0002.02", "转盘到位"),
                new PLCIO( "M423.Box.Output.T_2_03", "CIO0002.03", "上料盘1接近开关"),
                new PLCIO( "M423.Box.Output.T_2_04", "CIO0002.04", "上料盘2接近开关"),
                new PLCIO( "M423.Box.Output.T_2_05", "CIO0002.05", "NG料盘1接近开关"),
                new PLCIO( "M423.Box.Output.T_2_06", "CIO0002.06", "NG料盘2接近开关"),
                new PLCIO( "M423.Box.Output.T_2_07", "CIO0002.07", "下料盘1接近开关"),
                new PLCIO( "M423.Box.Output.T_2_08", "CIO0002.08", "下料盘2接近开关"),
                new PLCIO( "M423.Box.Output.T_2_09", "CIO0002.09", "安全光栅信号"),
                new PLCIO( "M423.Box.Output.T_3_06", "CIO0003.06", "上料盘气缸上限"),
                new PLCIO( "M423.Box.Output.T_3_07", "CIO0003.07", "上料盘气缸下限"),
                new PLCIO( "M423.Box.Output.T_3_08", "CIO0003.08", "NG料盘气缸上限"),
                new PLCIO( "M423.Box.Output.T_3_09", "CIO0003.09", "NG料盘气缸下限"),
                new PLCIO( "M423.Box.Output.T_3_10", "CIO0003.10", "下料盘气缸上限"),
                new PLCIO( "M423.Box.Output.T_3_11", "CIO0003.11", "下料盘气缸下限"),
                new PLCIO( "M423.Box.Output.T_4_03", "CIO0004.03", "安全门信号"),
                new PLCIO( "M423.Box.Output.T_5_00", "CIO0005.00", "X1轴报警"),
                new PLCIO( "M423.Box.Output.T_5_01", "CIO0005.01", "Y1轴报警"),
                new PLCIO( "M423.Box.Output.T_5_02", "CIO0005.02", "X2轴报警"),
                new PLCIO( "M423.Box.Output.T_5_03", "CIO0005.03", "Y2轴报警"),
                new PLCIO( "M423.Box.Output.T_5_10", "CIO0005.10", "内侧光栅"),
                new PLCIO( "M423.Box.Output.T_101_00", "CIO0101.00", "X1-SON"),
                new PLCIO( "M423.Box.Output.T_101_01", "CIO0101.01", "Y1-SON"),
                new PLCIO( "M423.Box.Output.T_101_02", "CIO0101.02", "X2-SON"),
                new PLCIO( "M423.Box.Output.T_101_03", "CIO0101.03", "Y2-SON"),
                new PLCIO( "M423.Box.Output.T_101_05", "CIO0101.05", "下料盘退出"),
                new PLCIO( "M423.Box.Output.T_102_05", "CIO0102.05", "上料盘气缸进"),
                new PLCIO( "M423.Box.Output.T_102_06", "CIO0102.06", "NG料盘气缸进"),
                new PLCIO( "M423.Box.Output.T_102_07", "CIO0102.07", "下料盘气缸进"),
                new PLCIO( "M423.Box.Output.T_104_07", "CIO0104.07", "上料盘气缸退"),
                new PLCIO( "M423.Box.Output.T_106_04", "CIO0106.04", "NG盘气缸退") };


        #endregion


        public FormPLCIO(OPC opc)
        {
            InitializeComponent();
            _opc = opc;
            _ioList.AddRange(PLCIOArray);

        }

        private void FetchPLCIOValue()
        {
            object o = new object();
            try
            {
                foreach (var x in _ioList)
                {
                    x.PLCValue = _opc.ReadOneItem_Wrapper(x.OPCName, ref o) ? (bool)o : false;
                    Thread.Sleep(20);
                }
            }
            catch (Exception)
            {
                ;
            }


        }

        private void OPC_OnReadItemValueChanged(OPC.Item item, int itemValue)
        {
            var x = (from i in _ioBindlingList
                     where i.OPCName == item.name
                     select i).FirstOrDefault();
            if (x != default(PLCIO))
            {
                x.PLCValue = itemValue == 1;
                dgvPLCIO.Invalidate();
            }
        }

        public void OPCEventHandler(object sender, EventTool.ListenEventArgs e)
        {
            OPC.Item item = (OPC.Item)e.IData.Data;
            var x = (from i in _ioBindlingList
                     where i.OPCName == item.name
                     select i).FirstOrDefault();
            if (x != default(PLCIO))
            {
                x.PLCValue = (bool)item.value;
                dgvPLCIO.Invalidate();
            }
        }

        private void FormPLCIO_Load(object sender, EventArgs e)
        {
            FetchPLCIOValue();
            //_ioBindlingList = new BindingList<PLCIO>(_ioList);
            //dgvPLCIO.DataSource = _ioBindlingList;
            //dgvPLCIO.Invalidate();

            for (int i = 0; i < _ioList.Count; i++)
            {
                dgvPLCIO.Rows.Add();
                dgvPLCIO.Rows[i].Cells["PLCAddr"].Value = _ioList[i].PLCAddr;
                dgvPLCIO.Rows[i].Cells["OPCName"].Value = _ioList[i].OPCName;
                dgvPLCIO.Rows[i].Cells["OPCDesc"].Value = _ioList[i].OPCDesc;
                dgvPLCIO.Rows[i].Cells["PLCValue"].Style.BackColor = _ioList[i].PLCValue ? Color.Green : Color.White;
            }

            //_opc.listenEventCreater.ListenEvent += this.OPCEventHandler;
            _opc.OnReadItemValueChanged += OPC_OnReadItemValueChanged;
        }

        private void FormPLCIO_FormClosing(object sender, FormClosingEventArgs e)
        {
            _opc.OnReadItemValueChanged -= OPC_OnReadItemValueChanged;
            //_opc.listenEventCreater.ListenEvent -= this.OPCEventHandler;

        }

        private void btnWriteValue_Click(object sender, EventArgs e)
        {
            if (dgvPLCIO.CurrentRow != null)
            {
                PLCIO io = _ioList[dgvPLCIO.CurrentRow.Index];
                try
                {
                    _opc.Write(io.OPCName, io.PLCValue);
                }
                catch (Exception)
                {
                    ;
                }
            }
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void cbPLCValue_Click(object sender, EventArgs e)
        {
            //if (dgvPLCIO.CurrentRow != null)
            //{
            //    _ioBindlingList[dgvPLCIO.CurrentRow.Index].PLCValue = cbPLCValue.Checked;
            //    dgvPLCIO.Invalidate();
            //}
        }

        private void dgvPLCIO_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (dgvPLCIO.CurrentRow.Index > 0)
            {
                tbPLCAddr.Text = dgvPLCIO.CurrentRow.Cells["PLCAddr"].Value.ToString();
                tbOPCName.Text = dgvPLCIO.CurrentRow.Cells["OPCName"].Value.ToString();
                tbOPCDesc.Text = dgvPLCIO.CurrentRow.Cells["OPCDesc"].Value.ToString();
            }
        }
    }

    public class PLCIO
    {
        public string OPCName { get; set; }
        public string PLCAddr { get; set; }
        public string OPCDesc { get; set; }
        public bool PLCValue { get; set; }
        public PLCIO(string opcName, string plcAddr, string opcDesc)
        {
            OPCName = opcName;
            PLCAddr = plcAddr;
            OPCDesc = opcDesc;
            PLCValue = false;
        }
    }
}