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/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.topology.rule;

import org.gvsig.expressionevaluator.Expression;

import org.gvsig.expressionevaluator.ExpressionBuilder;

import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator;

import org.gvsig.expressionevaluator.ExpressionEvaluatorManager;

import org.gvsig.fmap.dal.feature.EditableFeature;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.topology.lib.spi.AbstractTopologyRule;

import org.gvsig.topology.lib.spi.AbstractTopologyRuleAction;

import org.gvsig.topology.lib.api.ExecuteTopologyRuleActionException;

import org.gvsig.topology.lib.api.TopologyDataSet;

import org.gvsig.topology.lib.api.TopologyPlan;

import org.gvsig.topology.lib.api.TopologyReport;

import org.gvsig.topology.lib.api.TopologyReportLine;

import org.gvsig.topology.lib.api.TopologyRule;

import org.gvsig.topology.lib.api.TopologyRuleFactory;

/**

 *

 * @author jjdelcerro

 */

@SuppressWarnings("UseSpecificCatch")

public class ContainsPointRule extends AbstractTopologyRule {

    private class CreateFetureAction extends AbstractTopologyRuleAction {

        public CreateFetureAction() {

            super(

                    ContainsPointRuleFactory.NAME,

                    "CreateFeature",

                    "Create Feature",

                    "The Create Feature fix creates a new point feature at the centroid of the polygon feature that is causing the error. The point feature that is created is guaranteed to be within the polygon feature."

            );

        }

        @Override

        public void execute(TopologyRule rule, TopologyReportLine line, DynObject parameters)  {

            try {

                Point point = line.getGeometry().centroid();

                TopologyDataSet dataSet = rule.getDataSet2();

                EditableFeature feature = dataSet.createNewFeature();

                feature.setDefaultGeometry(point);

                dataSet.insert(feature);

            } catch (Exception ex) {

                throw new ExecuteTopologyRuleActionException(ex);

            }

        }

    }

    private String geomName;

    private Expression expression = null;

    private ExpressionBuilder expressionBuilder = null;

    public ContainsPointRule(

            TopologyPlan plan,

            TopologyRuleFactory factory

    ) {

        super(plan, factory);

        this.actions.add(new CreateFetureAction());

    }

    public ContainsPointRule(

            TopologyPlan plan,

            TopologyRuleFactory factory,

            double tolerance,

            String dataSet1,

            String dataSet2

    ) {

        super(plan, factory, tolerance, dataSet1, dataSet2);

        this.actions.add(new CreateFetureAction());

    }

    @Override

    protected void check(TopologyReport report, Feature feature1, TopologyDataSet dataSet2) throws Exception {

        FeatureSet set = null;

        try {

            FeatureStore store2 = dataSet2.getStore();

            if( this.expression == null ) {

                ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager();

                this.expression = manager.createExpression();

                this.expressionBuilder = manager.createExpressionBuilder();

                this.geomName = store2.getDefaultFeatureType().getDefaultGeometryAttributeName();

             }

            Geometry polygon = feature1.getDefaultGeometry();

            this.expression.setPhrase(

                this.expressionBuilder.ST_Intersects(

                    this.expressionBuilder.column(this.geomName),

                    this.expressionBuilder.geometry(polygon)

                ).toString()

            );

            Feature f = store2.findFirst(this.expression);

            if ( f==null ) {

                report.addLine(this,

                        this.getDataSet1(),

                        this.getDataSet2(),

                        polygon,

                        feature1.getReference(),

                        null,

                        false,

                        "The polygon is an error because it does not contain a point."

                );

            }

        } catch(Exception ex) {

            LOGGER.warn("Can't check feature.", ex);

        } finally {

            if( set!=null ) {

                set.dispose();

            }

        }

    }

}