/*
 * Copyright (C) 2020 Christian Pierre MOMON <christian@momon.org>
 * 
 * This file is part of StatoolInfos, simple service statistics tool.
 * 
 * StatoolInfos 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.
 * 
 * StatoolInfos 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 StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
 */
package fr.devinsy.statoolinfos.htmlize.charts;

import java.io.IOException;

import org.apache.commons.codec.digest.DigestUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import fr.devinsy.statoolinfos.core.StatoolInfosException;
import fr.devinsy.strings.StringList;
import fr.devinsy.xidyn.utils.XidynUtils;

/**
 * The Class PieChartView.
 */
public class PieChartView
{
    private static Logger logger = LoggerFactory.getLogger(PieChartView.class);

    /**
     * Builds the.
     *
     * @param pie
     *            the pie
     * @return the string
     * @throws StatoolInfosException
     *             the statool infos exception
     */
    public static String build(final PieChart pie) throws StatoolInfosException
    {
        String result;
        try
        {
            String source = XidynUtils.load(PieChartView.class.getResource("/fr/devinsy/statoolinfos/htmlize/charts/pieChartView.xhtml"));
            result = XidynUtils.extractBodyContent(source);

            result = result.replaceFirst("type: '.*'", "type: '" + pie.getType().toString().toLowerCase() + "'");
            result = result.replace("myChart", "myChart_" + DigestUtils.sha1Hex(pie.getTitle() + "PieChart"));
            result = result.replaceFirst("data: \\[.*\\]", "data: " + ChabuUtils.toJSonNumbers(new StringList(pie.getValues())));
            result = result.replaceFirst("backgroundColor: \\[.*\\]", "backgroundColor: " + ChabuUtils.toJSonStrings(pie.getColors()));
            result = result.replaceFirst("text: '.*'", "text: '" + pie.getTitle().replace("'", "\\\\'") + "'");
            result = result.replaceFirst("labels: \\[.*\\]", "labels: " + ChabuUtils.toJSonStrings(pie.getLabels()));
            result = result.replaceFirst("legend: .*,", String.format("legend: { display: %b, position: '%s' },", pie.isLegendVisible(), pie.getLegendPositionValue()));
            result = result.replaceFirst("title: .*,",
                    String.format("title: { display: %b,  position: '%s', text: '%s' },", pie.isTitleVisible(), pie.getTitlePositionValue(), pie.getTitle().replace("'", "\\\\'")));
        }
        catch (IOException exception)
        {
            throw new StatoolInfosException("Error building bar months chart view: " + exception.getMessage(), exception);
        }

        //
        return result;
    }
}