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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.Feature;

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

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

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

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.task.SimpleTaskStatus;

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 PointMustBeProperlyInsidePolygonRule extends AbstractTopologyRule {

    private class DeleteAction extends AbstractTopologyRuleAction {

        public DeleteAction() {

            super(

                    PointMustBeProperlyInsidePolygonRuleFactory.NAME,

                    "Delete",

                    "Delete",

                    " The Delete fix removes point features that are not properly within polygon features. Note that you can use the Edit tool and move the point inside the polygon feature if you do not want to delete it. This fix can be applied to one or more Must Be Properly Inside errors."

            );

        }

        @Override

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

            try {

                TopologyDataSet dataSet = rule.getDataSet1();

                dataSet.delete(line.getFeature1());

            } catch (Exception ex) {

                throw new ExecuteTopologyRuleActionException(ex);

            }

        }

    }

    private String geomName;

    private Expression expression = null;

    private ExpressionBuilder expressionBuilder = null;

    public PointMustBeProperlyInsidePolygonRule(

            TopologyPlan plan,

            TopologyRuleFactory factory,

            double tolerance,

            String dataSet1,

            String dataSet2

    ) {

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

        this.addAction(new DeleteAction());

    }

    @Override

    protected void check(SimpleTaskStatus taskStatus, TopologyReport report, Feature feature1) throws Exception {

        FeatureSet set = null;

        try {

            FeatureStore store2 = this.getDataSet2().getFeatureStore();

            if (this.expression == null) {

                ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager();

                this.expression = manager.createExpression();

                this.expressionBuilder = manager.createExpressionBuilder();

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

            }

            Geometry point = feature1.getDefaultGeometry();

            TopologyDataSet theDataSet = this.getDataSet2();

            if (theDataSet.getSpatialIndex() != null) {

                boolean contained = false;

                for (FeatureReference featureReference : theDataSet.query(point)) {

                    Feature feature2 = featureReference.getFeature();

                    Geometry otherPolygon = feature2.getDefaultGeometry();

                    if( otherPolygon!=null && otherPolygon.contains(point) ) {

                        contained = true;

                        break;

                    }

                }

                if( !contained ) {

                    report.addLine(this,

                            this.getDataSet1(),

                            this.getDataSet2(),

                            point,

                            point,

                            feature1.getReference(),

                            null,

                            false,

                            "The point are error where are not inside a polygon."

                    );

                }

            } else {

                this.expression.setPhrase(

                        this.expressionBuilder.ifnull(

                                this.expressionBuilder.column(this.geomName),

                                this.expressionBuilder.constant(false),

                                this.expressionBuilder.ST_Contains(

                                        this.expressionBuilder.column(this.geomName),

                                        this.expressionBuilder.geometry(point)

                                )

                        ).toString()

                );

                if (theDataSet.findFirst(this.expression) == null) {

                    report.addLine(this,

                            this.getDataSet1(),

                            this.getDataSet2(),

                            point,

                            point,

                            feature1.getReference(),

                            null,

                            false,

                            "The point are error where are not inside a polygon."

                    );

                }

            }

        } catch (Exception ex) {

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

        } finally {

            if (set != null) {

                set.dispose();

            }

        }

    }

}