/*
 * #%L
 * IsisFish data
 * %%
 * Copyright (C) 2009 - 2014 Ifremer, Code Lutin, Jean Couteau
 * %%
 * 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, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */
package sensitivityexports;

import java.io.Writer;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuiton.math.matrix.MatrixND;

import fr.ifremer.isisfish.datastore.ResultStorage;
import fr.ifremer.isisfish.datastore.SimulationStorage;
import fr.ifremer.isisfish.entities.Population;
import fr.ifremer.isisfish.export.SensitivityExport;
import fr.ifremer.isisfish.types.TimeStep;
import fr.ifremer.isisfish.annotations.Doc;
import resultinfos.MatrixCatchWeightPerStrategyMetPerZonePop;

public class SensitivityCatchWeightRelativeY4 implements SensitivityExport {

    /** to use log facility, just put in your code: log.info("..."); */
    static private Log log = LogFactory
            .getLog(SensitivityCatchWeightRelativeY4.class);

    protected String[] necessaryResult = {
        MatrixCatchWeightPerStrategyMetPerZonePop.NAME
    };

    @Doc("Population")
    public Population param_pop;

    @Override
    public void export(SimulationStorage simulation, Writer out)
            throws Exception {
        ResultStorage resultStorage = simulation.getResultStorage();
        TimeStep lastStep = resultStorage.getLastStep();
        Double capturesWeight = 0.0;
        Double capturesWeightfirst = 0.0;

        for (Population pop : simulation.getParameter().getPopulations()) {
            if (pop.getName().equals(param_pop.getName())) {
                for (int i = 0; i < 12; i++) {

                    //Get the captures Weight of each month of the last year
                    MatrixND matlastdate = resultStorage
                            .getMatrix(
                                    new TimeStep(lastStep.getStep() - i),
                                    pop,
                                    MatrixCatchWeightPerStrategyMetPerZonePop.NAME);
                    capturesWeight += matlastdate.sumAll();

                    //Get the captures Weight of each month of the first year
                    MatrixND matfirstdate = resultStorage
                            .getMatrix(
                                    new TimeStep(i),
                                    pop,
                                    MatrixCatchWeightPerStrategyMetPerZonePop.NAME);
                    capturesWeightfirst += matfirstdate.sumAll();
                }

            }
        }

        out.write(Double.toString(capturesWeight / capturesWeightfirst));
    }

    @Override
    public String getDescription() {
        return "Captures in weight for the last year for the popage population. Captures is the sum of zones, groups, metiers and strategies";
    }

    @Override
    public String getExportFilename() {
        return "SensitivityCapturesWeightRelativeY4_" + param_pop.getName();
    }

    @Override
    public String getExtensionFilename() {
        return ".csv";
    }

    @Override
    public String[] getNecessaryResult() {
        return this.necessaryResult;
    }

}