using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Threading.Tasks;
  using System.Windows;
  using System.Windows.Controls;
  using System.Windows.Data;
  using System.Windows.Documents;
  using System.Windows.Input;
  using System.Windows.Media;
  using System.Windows.Media.Imaging;
  using System.Windows.Shapes;
  using System.Text.RegularExpressions;

  using System.Globalization;

  using System.Data;
  using RoboforkApp.DataModel;

  
  namespace RoboforkApp
  {

      /// <summary>
      /// Interaction logic for EditNode.xaml
      /// </summary>
      public partial class EditNodeWindow : Window
      {

          /// <summary>
          /// SourceDataView
          /// </summary>
          private DataView SourceDataView { get; set; }
          public DataTable ListModeDataTable = new DataTable();

          public string txtMode;
          public string _txtMode
          {
              get { return txtMode; }
              set { txtMode = value; }
          }

          public string txtMode1;
          public string _txtMode1
          {

              get { return txtMode1; }

          }

          public string txtMode2;
          public string _txtMode2
          {
              get { return txtMode2; }

          }

          public string txtMode3;
          public string _txtMode3
          {
              get { return txtMode3; }
          }
          public bool ExitFlg = false;
          public bool _ExitFlg
          {
              get { return ExitFlg; }
          }

          public List<ListNodeInfo> NodeInf_List

          {

              get { return NodeInf_Lst; }
              set { NodeInf_Lst = value; }

          }

          
  
          //List<NodeInf> NodeInf_Lst = new List<NodeInf>();
          public List<ListNodeInfo> NodeInf_Lst = new List<ListNodeInfo>();
  
          public EditNodeWindow()

          {

              InitializeComponent();

          }

          private void Window_Loaded(object sender, RoutedEventArgs e)
          {
              Load_Form();
          }
          public void Load_Form()
          {
              int rowSelected = 0;
              ListModeDataTable.Columns.Add("NO", typeof(int));
              ListModeDataTable.Columns.Add("MODE", typeof(string));
              ListModeDataTable.Columns.Add("SPEED", typeof(string));
              ListModeDataTable.Columns.Add("ANGLE", typeof(string));
              ListModeDataTable.Columns.Add("HIGHT", typeof(string));
              ListModeDataTable.Columns.Add("MODESELECTED", typeof(double));
  
              if (NodeInf_Lst.Count > 0)
              {
                  for (int i = 0; i < NodeInf_Lst.Count; i++)
                  {
                      string strMode = NodeInf_Lst[i].Mode;
                      string strSpeed = NodeInf_Lst[i].Speed.ToString();
                      string strAngle = NodeInf_Lst[i].Angle.ToString();
                      string strHeight = NodeInf_Lst[i].Height.ToString();
                      int intMode = NodeInf_Lst[i].ModeSelected;
  
                      ListModeDataTable.Rows.Add(i + 1, NodeInf_Lst[i].Mode, strSpeed, strAngle, strHeight, intMode);
                  }
              }
  
              for (int i = 0; i < ListModeDataTable.Rows.Count; i++)
              {
                  if (ListModeDataTable.Rows[i]["MODESELECTED"].ToString() == "1")
                  {
                      rowSelected = i;
                  }
              }
              //ListEditNodeData.SelectedIndex = rowSelected;
              SourceDataView = new DataView(ListModeDataTable);
              ListEditNodeData.ItemsSource = SourceDataView;
              cbMode.Focus();
              cbMode.Text = "";
              txtSpeed.Text = "0";
              txtAngle.Text = "0";
              txtHight.Text = "0";
  
          }

          private void btnEditNode_Click(object sender, RoutedEventArgs e)
          {
  
              string tag = ((Button)sender).Tag.ToString();
              switch (tag)
              {
                  case "ADDMODE":

                      if (!checkFloat(txtSpeed.Text) || !checkFloat(txtAngle.Text) || !checkFloat(txtHight.Text))
                      {
                          MessageBox.Show("Please Check Again!");
                          break;
                      }

                      if ((cbMode.Text.Trim() == "") || (txtSpeed.Text.Trim() == ""))
                      {
                          MessageBox.Show("Please Check Again!");
                          break;
                      }
                      CreateMode();

                      clearField();
                      break;

                  case "DELETEMODE":
                      DeleteMode();
                      break;

                  case "No":
                      ExitFlg = true;
                      this.Close();
                      break;
                  case "Save":

                      if (!checkFloat(txtSpeed.Text) || !checkFloat(txtAngle.Text) || !checkFloat(txtHight.Text))
                      {
                          MessageBox.Show("Please Check Again!");
                          break;
                      }

                      NewDoBeginSave();
                      MessageBox.Show("Data is saved");

                      this.Close();
                      break;
                  default:
                      break;
              }
  
          }

          public void DeleteMode()

          {

              int rowIndex = -1;
  
              rowIndex = ListEditNodeData.SelectedIndex;
              if (rowIndex < 0)

              {

                  rowIndex = ListModeDataTable.Rows.Count - 1;

              }

              if (rowIndex < 0)

              {

                  return;

              }

              ListModeDataTable.Rows[rowIndex].Delete();
  
              ListModeDataTable.AcceptChanges();
  
              for (int i = 0; i < ListModeDataTable.Rows.Count; i++)

              {

                  ListModeDataTable.Rows[i]["NO"] = i + 1;

              }

              ListModeDataTable.AcceptChanges();
          }
  
          public void CreateMode()
          {
              int count = ListModeDataTable.Rows.Count;
  
              ListModeDataTable.Rows.Add(count + 1, cbMode.Text, txtSpeed.Text, txtAngle.Text, txtHight.Text, 0);
  
              ListModeDataTable.AcceptChanges();
          }
  
          public void NewDoBeginSave()
          {

              int rowSelected = -1;

  
              rowSelected = ListEditNodeData.SelectedIndex;

              if (rowSelected < 0)
              {
                  rowSelected = 0;
              }

              NodeInf_Lst.Clear();
  
              for (int i = 0; i < ListModeDataTable.Rows.Count; i++)
              {
                  ListNodeInfo ni = new ListNodeInfo();
                  ni.Mode = ListModeDataTable.Rows[i]["MODE"].ToString();
                  if (ListModeDataTable.Rows[i]["SPEED"].ToString() != "")
                  {
                      ni.Speed = double.Parse((ListModeDataTable.Rows[i]["SPEED"].ToString()));
                  }
                  if (ListModeDataTable.Rows[i]["ANGLE"].ToString() != "")
                  {
                      ni.Angle = double.Parse((ListModeDataTable.Rows[i]["ANGLE"].ToString()));
                  }
                  if (ListModeDataTable.Rows[i]["HIGHT"].ToString() != "")
                  {
                      ni.Height = double.Parse((ListModeDataTable.Rows[i]["HIGHT"].ToString()));
                  }
                  if(i == rowSelected)
                  {
                      ni.ModeSelected = 1;
                  }
                  else
                  {
                      ni.ModeSelected = 0;
                  }
                  NodeInf_Lst.Add(ni);
              }

          }

          //Check input string is Float format
          public bool checkFloat(string st)
          {
              bool flg = false;
              Regex regex = new Regex(@"^[0-9]*(?:\.[0-9]*)?$");

              flg = regex.IsMatch(st);
              return flg;
          }

  
          public void clearField()

          {

              cbMode.Text = "";

              txtSpeed.Text = "0";
              txtAngle.Text = "0";
              txtHight.Text = "0";
          }
  
          private void txtSpeed_LostFocus(object sender, RoutedEventArgs e)
          {
              if(txtSpeed.Text.Trim() == "")
              {
                  txtSpeed.Text = "0";
              }
          }
  
          private void txtAngle_LostFocus(object sender, RoutedEventArgs e)
          {
              if (txtAngle.Text.Trim() == "")
              {
                  txtAngle.Text = "0";
              }
          }
  
          private void txtHight_LostFocus(object sender, RoutedEventArgs e)
          {
              if (txtHight.Text.Trim() == "")
              {
                  txtHight.Text = "0";
              }

          }
  
      }
  }