using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Core.Views;
using HeuristicLab.Data;
using HeuristicLab.MainForm;
using HeuristicLab.Optimization;
using HeuristicLab.Problems.DataAnalysis;

namespace HeuristicLab.DataPreprocessing {
  [View("DataPreprocessing View")]
  [Content(typeof(PreprocessingContext), true)]
  public partial class DataPreprocessingView : ItemView {

    private DataGridContent dataGridContent;
    private Dictionary<ListViewItem, IItem> listViewItemItemMapping;


    public DataPreprocessingView() {
      InitializeComponent();
      b
    }


    protected override void OnContentChanged() {
      base.OnContentChanged();
      InitializeContents();
    }

    private ListViewItem CreateListViewItem(IItem item) {
      ListViewItem listViewItem = new ListViewItem();

      listViewItem.Text = item.ToString();
      //listViewItem.ToolTipText = item.ItemName + ": " + item.ItemDescription;
      //itemsListView.SmallImageList.Images.Add(content.);
      //listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
      //listViewItem.Tag = item;
      return listViewItem;
    }

    private void InitializeContents() {
      IPreprocessingData data = Content.Data;
      ISearchLogic searchLogic = new SearchLogic(data);
      dataGridContent = new DataGridContent(new DataGridLogic(data), new PreprocessingDataManipulation(data, searchLogic, new StatisticsLogic(data, searchLogic)));

      listViewItemItemMapping = new Dictionary<ListViewItem, IItem>();
      ListViewItem contentListViewItem = CreateListViewItem(dataGridContent);
      listViewItemItemMapping[contentListViewItem] = dataGridContent;

      contentListView.Items.Add(contentListViewItem);
    }

    public new PreprocessingContext Content {
      get { return (PreprocessingContext)base.Content; }
      set { 
        base.Content = value;
      }
    }

    private void listView1_SelectedIndexChanged(object sender, EventArgs e) {

      if (contentListView.SelectedItems.Count > 0) {
        ListViewItem listViewItem = (ListViewItem)contentListView.SelectedItems[0];
        this.viewHost.Content = listViewItemItemMapping[listViewItem];
      }
    }

    private void listView1_DoubleClick(object sender, EventArgs e) {
      ListViewItem listViewItem = (ListViewItem)contentListView.SelectedItems[0];
      MainFormManager.MainForm.ShowContent(listViewItemItemMapping[listViewItem]);
    }

    private void tryOutAlgorithmButton_Click(object sender, EventArgs e) {
      IPreprocessingData Data = Content.Data;

      foreach (string variable in Data.VariableNames) {
        for (int j = 0; j < Data.Rows; j++) {
          // assume: all double
          Data.SetCell(variable, j, 1.0);
        }
      }

      MessageBox.Show("Success, now cloning... ");

      Dataset dataset = Data.ExportToDataset();
      var variables = new CheckedItemList<StringValue>(Data.VariableNames.Select(s => new StringValue(s))).AsReadOnly();

      var cloner = new Cloner();

      cloner.RegisterClonedObject(Content.DataAnalysisProblemData.Dataset, dataset);
      cloner.RegisterClonedObject(Content.DataAnalysisProblemData.TrainingPartition, Data.TrainingPartition);
      cloner.RegisterClonedObject(Content.DataAnalysisProblemData.TestPartition, Data.TestPartition);
      cloner.RegisterClonedObject(Content.DataAnalysisProblemData.InputVariables, variables);
      if (Content.Algorithm != null) {
        cloner.RegisterClonedObject(Content.Algorithm.Runs, new RunCollection { OptimizerName = Content.Algorithm.Name });
      }

      var item = cloner.Clone(Content.ParentItem);

      MainFormManager.MainForm.ShowContent(item);
    }
  }
}