/*
 * JGrass - Free Open Source Java GIS http://www.jgrass.org 
 * (C) HydroloGIS - www.hydrologis.com 
 * 
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Library General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option) any
 * later version.
 * 
 * This library 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 Library General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Library General Public License
 * along with this library; if not, write to the Free Foundation, Inc., 59
 * Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package org.jgrasstools.gears.io.adige;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import oms3.annotations.Author;
import oms3.annotations.Description;
import oms3.annotations.Execute;
import oms3.annotations.Finalize;
import oms3.annotations.In;
import oms3.annotations.Keywords;
import oms3.annotations.Label;
import oms3.annotations.License;
import oms3.annotations.Name;
import oms3.annotations.Out;
import oms3.annotations.Status;
import oms3.annotations.UI;
import oms3.io.CSTable;
import oms3.io.DataIO;
import oms3.io.TableIterator;

import org.jgrasstools.gears.libs.modules.JGTConstants;
import org.jgrasstools.gears.libs.modules.JGTModel;

import static org.jgrasstools.gears.i18n.GearsMessages.*;

@Description(ADIGEBOUNDARYCONDITIONREADER_DESCRIPTION)
@Author(name = ADIGEBOUNDARYCONDITIONREADER_AUTHORNAMES, contact = ADIGEBOUNDARYCONDITIONREADER_AUTHORCONTACTS)
@Keywords(ADIGEBOUNDARYCONDITIONREADER_KEYWORDS)
@Label(ADIGEBOUNDARYCONDITIONREADER_LABEL)
@Name(ADIGEBOUNDARYCONDITIONREADER_NAME)
@Status(ADIGEBOUNDARYCONDITIONREADER_STATUS)
@License(ADIGEBOUNDARYCONDITIONREADER_LICENSE)
public class AdigeBoundaryConditionReader extends JGTModel {

    @Description(ADIGEBOUNDARYCONDITIONREADER_FILE_DESCRIPTION)
    @UI(JGTConstants.FILEIN_UI_HINT)
    @In
    public String file = null;

    @Description(ADIGEBOUNDARYCONDITIONREADER_DATA_DESCRIPTION)
    @Out
    public Map<Integer, AdigeBoundaryCondition> data;

    private TableIterator<String[]> rowsIterator;
    private CSTable table;

    private void ensureOpen() throws IOException {
        if (table == null) {
            table = DataIO.table(new File(file), null);
            rowsIterator = (TableIterator<String[]>) table.rows().iterator();
        }
    }

    @Execute
    public void read() throws IOException {
        if (!concatOr(data == null, doReset)) {
            return;
        }
        ensureOpen();
        data = new HashMap<>();
        while( rowsIterator.hasNext() ) {
            String[] row = rowsIterator.next();

            AdigeBoundaryCondition condition = new AdigeBoundaryCondition();
            int i = 1;
            condition.setBasinId( (int) Double.parseDouble(row[i++]));
            condition.setDischarge(Double.parseDouble(row[i++]));
            condition.setDischargeSub(Double.parseDouble(row[i++]));
            condition.setS1(Double.parseDouble(row[i++]));
            condition.setS2(Double.parseDouble(row[i]));

            data.put(condition.getBasinId(), condition);
        }
    }

    @Finalize
    public void close() throws IOException {
        rowsIterator.close();
    }
}