/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.new_plotter.data;

import java.util.LinkedList;
import java.util.List;

import com.rapidminer.datatable.DataTable;
import com.rapidminer.datatable.DataTableNaturalSortProvider;
import com.rapidminer.datatable.SortedDataTableView;
import com.rapidminer.gui.new_plotter.PlotConfigurationError;
import com.rapidminer.gui.new_plotter.configuration.DataTableColumn;
import com.rapidminer.gui.new_plotter.configuration.DefaultDimensionConfig;
import com.rapidminer.gui.new_plotter.configuration.DimensionConfig.PlotDimension;
import com.rapidminer.gui.new_plotter.configuration.DomainConfigManager;
import com.rapidminer.gui.new_plotter.listener.DimensionConfigListener;
import com.rapidminer.gui.new_plotter.listener.events.DimensionConfigChangeEvent;
import com.rapidminer.gui.new_plotter.utility.NumericalValueRange;

/**
 * @author Marius Helf, Nils Woehler
 *
 */
public class DomainConfigManagerData implements DimensionConfigListener {
	private PlotInstance plotInstance;
	private DimensionConfigChangeEvent lastProcessedEvent = null;
	
	public DomainConfigManagerData(PlotInstance plotInstance) {
		if (plotInstance == null) {
			throw new IllegalArgumentException("null not allowed");
		}
		
		this.plotInstance = plotInstance;
		applySorting();
	}
	
	public void applySorting() {
		SortedDataTableView dataTable = plotInstance.getPlotData().getSortedDataTableWithoutImplicitUpdate();
		DomainConfigManager domainConfigManager = plotInstance.getCurrentPlotConfigurationClone().getDomainConfigManager();
		switch (domainConfigManager.getSortingMode()) {
		case ASCENDING:
			int columnIdx = DataTableColumn.getColumnIndex(dataTable, domainConfigManager.getDataTableColumn());
			dataTable.setSortProvider(new DataTableNaturalSortProvider(columnIdx, true));
			break;
		case NONE:
			dataTable.setSortProvider(null);
			break;
		}
	}

	@Override
	public void dimensionConfigChanged(DimensionConfigChangeEvent e) {
		if (e == null || e == lastProcessedEvent) {
			return;
		}
		lastProcessedEvent  = e;
		
		switch (e.getType()) {
		case COLUMN:
		case SORTING:
			applySorting();
			break;
		}
	}

	public List<PlotConfigurationError> getErrors() {
		// TODO check all preconditions
		
		LinkedList<PlotConfigurationError> errorList = new LinkedList<PlotConfigurationError>();
		DataTable dataTable = plotInstance.getPlotData().getOriginalDataTable();
		DomainConfigManager domainConfigManager = plotInstance.getCurrentPlotConfigurationClone().getDomainConfigManager();
		if (!domainConfigManager.getDataTableColumn().isValidForDataTable(dataTable)) {
			PlotConfigurationError error = new PlotConfigurationError("undefined_dimension", PlotDimension.DOMAIN.getName());
			errorList.add(error);
		}
		
		return errorList;
	}
	
	public List<PlotConfigurationError> getWarnings() {
		// TODO implement me
		List<PlotConfigurationError> warnings = new LinkedList<PlotConfigurationError>();
		return warnings;
	}
	
	public NumericalValueRange getEffectiveRange() {
		DomainConfigManager domainConfigManager = plotInstance.getCurrentPlotConfigurationClone().getDomainConfigManager();
		DefaultDimensionConfig domainConfig = domainConfigManager.getDomainConfig(domainConfigManager.isGrouping());
		DimensionConfigData domainData = plotInstance.getPlotData().getDimensionConfigData(domainConfig);
		return domainData.getEffectiveRange();
	}
}