using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HeuristicLab.Analysis;

namespace HeuristicLab.DataPreprocessing
{
  public class LineChartLogic : ILineChartLogic
  {
    private IPreprocessingData preprocessingData;
    private DataTable dataTable;

    public LineChartLogic(IPreprocessingData preprocessingData) {
      this.preprocessingData = preprocessingData;
      dataTable = new DataTable("LineChart");
      FillDataTable();
    }

    private void FillDataTable() {
      IEnumerable<string> variableNames = preprocessingData.VariableNames;

      foreach(string variableName in variableNames)
      {
        IList<double> values = preprocessingData.GetValues<double>(variableName);
        DataRow row = new DataRow(variableName, "", values);
        dataTable.Rows.Add(row);
      }
 
    }

    public IEnumerable<object> GetVariableNames()
    {
      return preprocessingData.VariableNames;
    }

    public DataTable GetDataTable()
    {
      return dataTable;
    }


    #region ILineChartLogic Members

    public void RemoveVariable(string name) {
      dataTable.Rows.Remove(name);
    }

    public void AddVariable(string name) {
      IList<double> values = preprocessingData.GetValues<double>(name);
      DataRow row = new DataRow(name, "", values);
      dataTable.Rows.Add(row);
    }

    #endregion

    public bool VariableIsDisplayed(string name) {

      foreach (var item in dataTable.Rows) {
         if(item.Name == name)
           return true;
      }
      return false;
    }

  }
}