/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.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.operator.ports.quickfix;

import com.rapidminer.gui.tools.SwingTools;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.OperatorCreationException;
import com.rapidminer.operator.ports.InputPort;
import com.rapidminer.operator.ports.metadata.ExampleSetMetaData;
import com.rapidminer.operator.ports.metadata.MetaData;
import com.rapidminer.operator.preprocessing.filter.ChangeAttributeRole;
import com.rapidminer.tools.Ontology;
import com.rapidminer.tools.OperatorService;

/**
 * @author Sebastian Land
 * 
 */
public class ChangeAttributeRoleQuickFix extends OperatorInsertionQuickFix {

	private final InputPort inputPort;
	private final String role;
	/**
	 * @param rating
	 * @param isInteractive
	 * @param i18nKey
	 * @param i18nArgs
	 */
	public ChangeAttributeRoleQuickFix(InputPort inputPort, String role, String i18nKey, Object...i18nArgs) {
		super(i18nKey, i18nArgs, 10, inputPort);
		//super(3, true, i18nKey, i18nArgs);
		this.inputPort = inputPort;
		this.role = role;
	}
	
	@Override
	public Operator createOperator() throws OperatorCreationException {
		MetaData metaData = inputPort.getMetaData();
		if ((metaData == null) || !(metaData instanceof ExampleSetMetaData)) {
			return null;
		}
		
		ChangeAttributeRole car = OperatorService.createOperator(ChangeAttributeRole.class);
				
		Object[] options = (((ExampleSetMetaData) metaData).getAttributeNamesByType(Ontology.VALUE_TYPE)).toArray();
		if (options.length > 0) {
			Object option = SwingTools.showInputDialog("quickfix.replace_by_dictionary", options, options[0], 
					car.getParameters().getParameterType(ChangeAttributeRole.PARAMETER_NAME).getDescription());
			if (option != null) {
				car.setParameter(ChangeAttributeRole.PARAMETER_NAME, option.toString());
				car.setParameter(ChangeAttributeRole.PARAMETER_TARGET_ROLE, role);
				return car;
			} else {
				return null;
			}
		} else {
			return car;
		}		
	}

	//Object option = SwingTools.showInputDialog("quickfix.replace_by_dictionary", options, options[nearestOption], description);

	/*
	@Override
	public void apply() {
		try {
			if (inputPort.getMetaData() instanceof ExampleSetMetaData) {
				ExampleSetMetaData emd = (ExampleSetMetaData) inputPort.getMetaData();
				Operator operator = OperatorService.createOperator(ChangeAttributeRole.class);
				ExecutionUnit process = inputPort.getPorts().getOwner().getOperator().getExecutionUnit();
				process.addOperator(operator);
				OutputPort source = inputPort.getSource();
				source.disconnect();
				source.connectTo(operator.getInputPorts().getPortByIndex(0));
				operator.getOutputPorts().getPortByIndex(0).connectTo(inputPort);

				// selecting attribute
				new AttributeSelectionQuickFix(emd, ChangeAttributeRole.PARAMETER_NAME, operator, "").apply();

				// switching role parameter
				operator.setParameter(ChangeAttributeRole.PARAMETER_TARGET_ROLE, role);
			}
		} catch (Exception e) {
			SwingTools.showSimpleErrorMessage("Cannot insert operator: " + e, e);
		}
	}
	*/
}