using System;
using System.Collections.Generic;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using AM = HeuristicLab.Services.Authentication.AdminMethods;

namespace HeuristicLab.Services.Authentication.UserInterface {
  public partial class Form1 : Form {
    public AM.ClientAdmin clientAdmin = null;
    public AM.GroupAdmin groupAdmin = null;

    public Form1() {
      InitializeComponent();
      clientAdmin = new AM.ClientAdmin();
      groupAdmin = new AM.GroupAdmin();
    }

//******************************************************************************
//    tab client
//******************************************************************************
    // copies values of textboxes into hashtable
    private Hashtable GetResourceCollection() {
      Hashtable ht = new Hashtable();
      ht.Add(AM.eResource.ResourceID, (string)tbResourceID.Text);
      ht.Add(AM.eResource.Name, (string)tbName.Text);
      ht.Add(AM.eResource.Description, (string)tbDescription.Text);
      ht.Add(AM.eResource.ResourceType, (string)tbResourceType.Text);
      ht.Add(AM.eResource.ProcessorType, (string)tbProcessorType.Text);
      ht.Add(AM.eResource.NumberOfProcessors, (string)tbNumberOfProcessors.Text);
      ht.Add(AM.eResource.NumberOfThreads, (string)tbNumberOfThreads.Text);
      ht.Add(AM.eResource.IPAdress, (string)tbIPAdress.Text);
      ht.Add(AM.eResource.MemorySize, (string)tbMemorySize.Text);
      ht.Add(AM.eResource.OperatingSystem, (string)tbOperatingSystem.Text);
      ht.Add(AM.eResource.ResourceIDGroup, (string)tbResourceGroupID.Text);
      ht.Add(AM.eResource.ResourceNameGroup, (string)tbResourceGroupName.Text);
      return ht;
    }

    private void FillForm(Hashtable ht) {
      tbResourceID.Text = (string)ht[AM.eResource.ResourceID];
      tbName.Text = (string)ht[AM.eResource.Name];
      tbDescription.Text = (string)ht[AM.eResource.Description];
      tbResourceID.Text = (string)ht[AM.eResource.ResourceType];
      tbProcessorType.Text = (string)ht[AM.eResource.ProcessorType];
      tbNumberOfProcessors.Text = (string)ht[AM.eResource.NumberOfProcessors];
      tbNumberOfThreads.Text = (string)ht[AM.eResource.NumberOfThreads];
      tbIPAdress.Text = (string)ht[AM.eResource.IPAdress];
      tbMemorySize.Text = (string)ht[AM.eResource.MemorySize];
      tbOperatingSystem.Text = (string)ht[AM.eResource.OperatingSystem];
      tbResourceGroupID.Text = (string)ht[AM.eResource.ResourceIDGroup];
      tbResourceGroupName.Text = (string)ht[AM.eResource.ResourceNameGroup];
      cbResourceGroup.Text = "";
    }

    private void DeselectResourceListCells() {
      foreach (DataGridViewCell c in this.ResourceList.SelectedCells) {
        c.Selected = false;
      }
    }

    private void ClearTextBoxes() {
      Hashtable empty = new Hashtable();
      FillForm(empty);
    }

    private void AddRowToResourceList(Hashtable ht, int r){      
      ResourceList.Rows[r].Cells[0].Value = ht[AM.eResource.ResourceID];
      ResourceList.Rows[r].Cells[1].Value = (string)ht[AM.eResource.Name];
      ResourceList.Rows[r].Cells[2].Value = (string)ht[AM.eResource.ResourceType];
      ResourceList.Rows[r].Cells[3].Value = (string)ht[AM.eResource.Description];
      ResourceList.Rows[r].Cells[4].Value = (string)ht[AM.eResource.IPAdress];
      ResourceList.Rows[r].Cells[5].Value = (string)ht[AM.eResource.NumberOfProcessors];
      ResourceList.Rows[r].Cells[6].Value = (string)ht[AM.eResource.NumberOfThreads];
      ResourceList.Rows[r].Cells[7].Value = (string)ht[AM.eResource.MemorySize];
      ResourceList.Rows[r].Cells[8].Value = (string)ht[AM.eResource.OperatingSystem];
      ResourceList.Rows[r].Cells[9].Value = (string)ht[AM.eResource.ResourceNameGroup];
      ResourceList.Rows[r].Cells[10].Value = ht[AM.eResource.ResourceIDGroup];       
    }

    // insert results of search in ResourceList
    private void FillResultList(HashSet<Hashtable> hs) {
      ResourceList.Rows.Clear();
      ResourceList.ColumnCount = 11;
      int r = 0;
      foreach (Hashtable ht in hs) {
        ResourceList.Rows.Add();
        AddRowToResourceList(ht, r);
        r++;
      }
      ResourceList.Refresh();
    }

    private void Search() {
      DeselectResourceListCells();
      Hashtable ht = GetResourceCollection();
      HashSet<Hashtable> reshs = clientAdmin.Get(ht);
      //HashSet<Hashtable> reshs = AM.AdminMethods.GetClient(ht);
      // empty textboxes
      ClearTextBoxes();
      if (reshs != null) {
        FillResultList(reshs);
      }
    }

    private Hashtable GenerateClient() {
      Hashtable ht = new Hashtable();
      ht.Add(AM.eResource.ResourceID, "");
      ht.Add(AM.eResource.Name, "cl Name");
      ht.Add(AM.eResource.Description, "descr");
      ht.Add(AM.eResource.ResourceType, "");
      ht.Add(AM.eResource.ProcessorType, "Amd");
      ht.Add(AM.eResource.NumberOfProcessors, "4");
      ht.Add(AM.eResource.NumberOfThreads, "2");
      ht.Add(AM.eResource.IPAdress, "192.168.1.2");
      ht.Add(AM.eResource.MemorySize, "4096");
      ht.Add(AM.eResource.OperatingSystem, "WinXP");
      //ht.Add(AM.eResource.ResourceGroup, "");
      return ht;
    }

    private void GetGroupIDandName(ref string id, ref string name) {
      string selectedGroup = (string)cbResourceGroup.SelectedItem;
      char[] seperator = {'('};
      char []trimSpaces = {' '};
      char []trimEntPara = {')'};

      string[] splitText = selectedGroup.Split(seperator);
      name = splitText[0].TrimEnd(trimSpaces);
      id = splitText[1].TrimEnd(trimEntPara);
    }

    // get clients selected by textboxvalues
    private void btSearchClient_Click(object sender, EventArgs e) {      
      Search();
    }

    // when click on a cell the values of current row will be copied into textboxes
    private void ResourceList_CellClick(object sender, DataGridViewCellEventArgs e) {
      int r = e.RowIndex; //selected row
      tbResourceID.Text = ResourceList.Rows[r].Cells[0].Value.ToString();
      tbName.Text = ResourceList.Rows[r].Cells[1].Value.ToString();
      tbResourceType.Text = ResourceList.Rows[r].Cells[2].Value.ToString();
      tbDescription.Text = ResourceList.Rows[r].Cells[3].Value.ToString();
      tbIPAdress.Text = ResourceList.Rows[r].Cells[4].Value.ToString();
      tbNumberOfProcessors.Text = ResourceList.Rows[r].Cells[5].Value.ToString();
      tbNumberOfThreads.Text = ResourceList.Rows[r].Cells[6].Value.ToString();
      tbMemorySize.Text = ResourceList.Rows[r].Cells[7].Value.ToString();
      tbOperatingSystem.Text = ResourceList.Rows[r].Cells[8].Value.ToString();
      tbResourceGroupName.Text = ResourceList.Rows[r].Cells[9].Value.ToString();
      tbResourceGroupID.Text = ResourceList.Rows[r].Cells[10].Value.ToString();
    }

    // get ResourceGroup
    private void cbResourceGroup_Click(object sender, EventArgs e) {
      cbResourceGroup.Items.Clear();
      Hashtable ht = new Hashtable(); // GetResourceGroupCollection();
      HashSet<Hashtable> reshs = groupAdmin.Get(ht);
      foreach (Hashtable resht in reshs) {
        cbResourceGroup.Items.Add((string)resht[AM.eResource.Name] + "    (" + resht[AM.eResource.ResourceID] + ")");
      }
    }
    
    private void cbResourceGroup_SelectedIndexChanged(object sender, EventArgs e) {
      string id = "";
      string name = "";
      GetGroupIDandName(ref id, ref name);
      tbResourceGroupName.Text = name;
      tbResourceGroupID.Text = id;
    }

    // clear textboxes
    private void btClear_Click(object sender, EventArgs e) {
      ClearTextBoxes();
      DeselectResourceListCells();
    }

    private void btCreateClient_Click(object sender, EventArgs e) {       
      Hashtable newClient = GetResourceCollection();
      if (clientAdmin.Create(newClient)) {Search();}
    }

    private void btDeleteClient_Click(object sender, EventArgs e) {
      Hashtable ht = new Hashtable();
      ht = GetResourceCollection();
      bool deleted = clientAdmin.Delete(ht);
      if (deleted) {
        Hashtable empty = new Hashtable();
        FillForm(empty);
        Search();
        //int i = ResourceList.CurrentCell.RowIndex;
        //ResourceList.Rows.RemoveAt(i);
        //DeselectResourceListCells();
      }
    }

    // insert default values for new client
    private void btGenerate_Click(object sender, EventArgs e) {
      FillForm(GenerateClient());
    }

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

    private void btClientUpdate_Click(object sender, EventArgs e) {
      Hashtable updateClient = GetResourceCollection();
      if (clientAdmin.Update(updateClient)) {Search();}
    }

//******************************************************************************
//    tab group 
//******************************************************************************

    private void btClearRG_Click(object sender, EventArgs e) {
      ClearTextBoxesGroup();
      DeselectResourceGroupListCells();
    }

    private void btSearchRG_Click(object sender, EventArgs e) {
      SearchGroup();
    }

    private void btCreateRG_Click(object sender, EventArgs e) {
      Hashtable newGroup = GetResourceGroupCollection();
      if (groupAdmin.Create(newGroup)) {SearchGroup();}
    }

    private void btUpdateRG_Click(object sender, EventArgs e) {
      Hashtable newGroup = GetResourceGroupCollection();
      if (groupAdmin.Update(newGroup)) {SearchGroup();}
    }

    private void btDeleteRG_Click(object sender, EventArgs e) {
      Hashtable ht = new Hashtable();
      ht = GetResourceGroupCollection();
      if (groupAdmin.Delete(ht)) {
        Hashtable empty = new Hashtable();
        FillFormGroup(empty);
        SearchGroup();
        //int i = ResourceGroupList.CurrentCell.RowIndex;
        //ResourceGroupList.Rows.RemoveAt(i);
        //DeselectResourceGroupListCells();
      }
    }

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

    private void GetGroupGroupIDandName(ref string id, ref string name) {
      string selectedGroup = (string)cbResourceGroupGroup.SelectedItem;
      char[] seperator = { ' ' };
      string[] splitText = selectedGroup.Split(seperator);
      name = splitText[0];
      id = splitText[2];
    }

    private void cbResourceGroupGroup_Click(object sender, EventArgs e) {
      cbResourceGroupGroup.Items.Clear();
      Hashtable ht = new Hashtable(); // GetResourceGroupCollection();
      HashSet<Hashtable> reshs = groupAdmin.Get(ht);
      foreach (Hashtable resht in reshs) {
        cbResourceGroupGroup.Items.Add((string)resht[AM.eResource.Name] + " : " + resht[AM.eResource.ResourceID]);
      }
    }

    private void cbResourceGroupGroup_SelectedIndexChanged(object sender, EventArgs e) {
      string id = "";
      string name = "";
      GetGroupGroupIDandName(ref id, ref name);
      tbResourceGroupGroupName.Text = name;
      tbResourceGroupGroupID.Text = id;
    }

    private void ResourceGroupList_CellClick(object sender, DataGridViewCellEventArgs e) {
      int r = e.RowIndex; //selected row
      tbResourceIDGroup.Text = ResourceGroupList.Rows[r].Cells[0].Value.ToString();
      tbNameGroup.Text = ResourceGroupList.Rows[r].Cells[1].Value.ToString();
      tbResourceGroupType.Text = ResourceGroupList.Rows[r].Cells[2].Value.ToString();
      tbDescriptionGroup.Text = ResourceGroupList.Rows[r].Cells[3].Value.ToString();
      tbResourceGroupGroupName.Text = ResourceGroupList.Rows[r].Cells[4].Value.ToString();
      tbResourceGroupGroupID.Text = ResourceGroupList.Rows[r].Cells[5].Value.ToString();
    }

    private void FillResultGroupList(HashSet<Hashtable> hs) {
      ResourceGroupList.Rows.Clear();
      ResourceGroupList.ColumnCount = 6;
      int r = 0;
      foreach (Hashtable ht in hs) {
        ResourceGroupList.Rows.Add();
        AddRowToResourceGroupList(ht, r);
        r++;
      }
      ResourceGroupList.Refresh();
    }

    private void AddRowToResourceGroupList(Hashtable ht, int r) {
      ResourceGroupList.Rows[r].Cells[0].Value = ht[AM.eResource.ResourceID];
      ResourceGroupList.Rows[r].Cells[1].Value = (string)ht[AM.eResource.Name];
      ResourceGroupList.Rows[r].Cells[2].Value = (string)ht[AM.eResource.ResourceType];
      ResourceGroupList.Rows[r].Cells[3].Value = (string)ht[AM.eResource.Description];
      ResourceGroupList.Rows[r].Cells[4].Value = (string)ht[AM.eResource.ResourceNameGroup];
      ResourceGroupList.Rows[r].Cells[5].Value = ht[AM.eResource.ResourceIDGroup];
    }

    private void SearchGroup() {
      DeselectResourceGroupListCells();
      Hashtable ht = GetResourceGroupCollection();
      HashSet<Hashtable> reshs = groupAdmin.Get(ht);
      // empty textboxes
      ClearTextBoxesGroup();
      if (reshs != null) {
        FillResultGroupList(reshs);
      }
    }

    private void DeselectResourceGroupListCells() {
      foreach (DataGridViewCell c in this.ResourceGroupList.SelectedCells) {
        c.Selected = false;
      }
    }

    private void FillFormGroup(Hashtable ht) {
      tbResourceIDGroup.Text = (string)ht[AM.eResource.ResourceID];
      tbNameGroup.Text = (string)ht[AM.eResource.Name];
      tbDescriptionGroup.Text = (string)ht[AM.eResource.Description];
      tbResourceGroupType.Text = "ResourceGroup";
      tbResourceGroupGroupID.Text = (string)ht[AM.eResource.ResourceIDGroup];
      tbResourceGroupGroupName.Text = (string)ht[AM.eResource.ResourceNameGroup];
      cbResourceGroupGroup.Text = "";
    }

    // copies values of textboxes into hashtable
    private Hashtable GetResourceGroupCollection() {
      Hashtable ht = new Hashtable();
      ht.Add(AM.eResource.ResourceID, (string)tbResourceIDGroup.Text);
      ht.Add(AM.eResource.Name, (string)tbNameGroup.Text);
      ht.Add(AM.eResource.Description, (string)tbDescriptionGroup.Text);
      ht.Add(AM.eResource.ResourceType, (string)tbResourceGroupType.Text);
      ht.Add(AM.eResource.ResourceIDGroup, (string)tbResourceGroupGroupID.Text);
      ht.Add(AM.eResource.ResourceNameGroup, (string)tbResourceGroupGroupName.Text);
      return ht;
    }

    private void ClearTextBoxesGroup() {
      Hashtable empty = new Hashtable();
      FillFormGroup(empty);
    }


  }
}