package net.sf.magicproject.chart.datasets;
   
   import java.util.Collection;
   
   import org.jfree.data.statistics.HistogramType;
   
   import net.sf.magicproject.chart.ChartFilter;
   import net.sf.magicproject.chart.IChartKey;
   import net.sf.magicproject.chart.IDataProvider;
  import net.sf.magicproject.clickable.targetable.card.CardModel;
  
  /***
   * 
   */
  public class HistogramDataset extends
  		org.jfree.data.statistics.HistogramDataset implements Dataset {
  
  	private int[] values = new int[0];
  
  	/***
  	 * Create a new instance of this class.
  	 * 
  	 * @param provider
  	 *          the key provider.
  	 * @param filter
  	 *          the filter attached to this dataset.
  	 */
  	public HistogramDataset(IDataProvider provider, ChartFilter filter) {
  		super();
  		this.provider = provider;
  		this.filter = filter;
  		this.setType(HistogramType.FREQUENCY);
  	}
  
  	/***
  	 * Add cards to all datasets.
  	 * 
  	 * @param cardModel
  	 *          the card to add.
  	 * @param amount
  	 *          the amount of card to add.
  	 */
  	public void addCard(final CardModel cardModel, final int amount) {
  		Collection<IChartKey> keys = provider.getKeys(cardModel, filter);
  		for (IChartKey key : keys) {
  			if (key.getIntegerKey() + 1 > values.length) {
  				int[] tmp = new int[key.getIntegerKey() + 1];
  				System.arraycopy(values, 0, tmp, 0, values.length);
  				values = tmp;
  			}
  			values[key.getIntegerKey()] += amount;
  		}
  		list.clear();
  		int max = 0;
  		for (int value : values)
  			if (value > max)
  				max = value;
  		double[] amounts = new double[max + 1];
  		for (int index = max + 1; index-- > 0;)
  			amounts[values[index]] = index;
  		try {
  			addSeries("data1", amounts, amounts.length, 0, amounts.length);
  		} catch (Exception e) {
  			e.printStackTrace();
  		}
  		fireDatasetChanged();
  	}
  
  	/***
  	 * Remove cards to all datasets.
  	 * 
  	 * @param cardModel
  	 *          the card to remove.
  	 * @param amount
  	 *          the amount of card to remove.
  	 */
  	public void removeCard(final CardModel cardModel, final int amount) {
  		Collection<IChartKey> keys = provider.getKeys(cardModel, filter);
  		for (IChartKey key : keys) {
  			values[key.getIntegerKey()] -= amount;
  			double max = 0;
  			for (double value : values)
  				if (value > max)
  					max = value;
  			list.clear();
  			try {
  				// addSeries("data1", values, 100, 0, max);
  			} catch (Exception e) {
  				e.printStackTrace();
  			}
  		}
  		fireDatasetChanged();
  	}
  
  	public void setValue(IChartKey key, Integer value) {
  		// super.setValue(value, "My Key", key);
  	}
  
  	public void removeAll() {
 		//
 	}
 
 	private final IDataProvider provider;
 
 	private final ChartFilter filter;
 
 }