/*
 * 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;

import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import fr.devinsy.statoolinfos.HtmlizerContext;
import fr.devinsy.statoolinfos.core.Federation;
import fr.devinsy.statoolinfos.core.StatoolInfosException;
import fr.devinsy.statoolinfos.core.StatoolInfosUtils;
import fr.devinsy.statoolinfos.crawl.CrawlCache;
import fr.devinsy.statoolinfos.stats.StatAgent;
import fr.devinsy.statoolinfos.stats.properties.PropertyStat;
import fr.devinsy.statoolinfos.stats.properties.PropertyStatList;
import fr.devinsy.statoolinfos.stats.properties.PropertyStats;
import fr.devinsy.xidyn.XidynException;
import fr.devinsy.xidyn.data.TagDataManager;
import fr.devinsy.xidyn.presenters.PresenterUtils;

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

    /**
     * Builds the.
     *
     * @throws StatoolInfosException
     *             the statool infos exception
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     */
    public static void buildAll() throws StatoolInfosException, IOException
    {
        Federation federation = HtmlizerContext.instance().getFederation();
        CrawlCache cache = HtmlizerContext.instance().getCache();
        File htmlizeDirectory = HtmlizerContext.instance().getHtmlizeDirectory();

        logger.info("Htmlize propertyStats page.");

        PropertyStats stats = StatAgent.statAllProperties(federation);
        String page = PropertyStatsPage.htmlize("Toutes les propriétés", stats);
        FileUtils.write(new File(htmlizeDirectory, "propertyStats.xhtml"), page, StandardCharsets.UTF_8);

        PropertyStats federationStats = StatAgent.statFederationProperties(federation);
        page = PropertyStatsPage.htmlize("Les propriétés de la fédération", federationStats);
        FileUtils.write(new File(htmlizeDirectory, "propertyStats-federation.xhtml"), page, StandardCharsets.UTF_8);

        PropertyStats organizationsStats = StatAgent.statOrganizationsProperties(federation.getOrganizations());
        page = PropertyStatsPage.htmlize("Les propriétés des organizations", organizationsStats);
        FileUtils.write(new File(htmlizeDirectory, "propertyStats-organizations.xhtml"), page, StandardCharsets.UTF_8);

        PropertyStats servicesStats = StatAgent.statServicesProperties(federation.getServicesAll());
        page = PropertyStatsPage.htmlize("Les propriétés des services", servicesStats);
        FileUtils.write(new File(htmlizeDirectory, "propertyStats-services.xhtml"), page, StandardCharsets.UTF_8);
    }

    /**
     * Builds the.
     *
     * @param title
     *            the title
     * @param stats
     *            the stats
     * @return the string
     * @throws StatoolInfosException
     *             the statool infos exception
     */
    public static String htmlize(final String title, final PropertyStats stats) throws StatoolInfosException
    {
        String result;

        try
        {
            logger.debug("Building propertyStats page…");

            TagDataManager data = new TagDataManager();

            //
            data.setContent("statsTitle", title);
            data.setContent("propertyCount", stats.getPropertyCount());
            data.setContent("fileCount", stats.getFileCount());

            //
            PropertyStatList generalStats = stats.getGeneralPropertyStats().getList().sortByReverseFilledCount();
            data.setContent("generalPropertyCount", generalStats.size());
            int index = 0;
            for (PropertyStat stat : generalStats)
            {
                data.setEscapedContent("generalPropertyLine", index, "generalPropertyLinePath", stat.getPath());
                data.setContent("generalPropertyLine", index, "generalPropertyLineBlankCount", stat.getBlankCount());
                data.setContent("generalPropertyLine", index, "generalPropertyLineBlankCountPercentage", StatoolInfosUtils.toPercentage(stat.getBlankCount(), stats.getFileCount()));
                data.setContent("generalPropertyLine", index, "generalPropertyLineFilledCount", stat.getFilledCount());
                data.setContent("generalPropertyLine", index, "generalPropertyLineFilledCountPercentage", StatoolInfosUtils.toPercentage(stat.getFilledCount(), stats.getFileCount()));

                index += 1;
            }

            //
            PropertyStatList metricStats = stats.getMetricPropertyStats().getList().sortByReverseFilledCount();
            data.setContent("metricPropertyCount", metricStats.size());
            index = 0;
            for (PropertyStat stat : metricStats)
            {
                data.setEscapedContent("metricPropertyLine", index, "metricPropertyLinePath", stat.getPath());
                data.setContent("metricPropertyLine", index, "metricPropertyLineBlankCount", stat.getBlankCount());
                data.setContent("metricPropertyLine", index, "metricPropertyLineBlankCountPercentage", StatoolInfosUtils.toPercentage(stat.getBlankCount(), stats.getFileCount()));
                data.setContent("metricPropertyLine", index, "metricPropertyLineFilledCount", stat.getFilledCount());
                data.setContent("metricPropertyLine", index, "metricPropertyLineFilledCountPercentage", StatoolInfosUtils.toPercentage(stat.getFilledCount(), stats.getFileCount()));

                index += 1;
            }

            //
            String content = PresenterUtils.dynamize("/fr/devinsy/statoolinfos/htmlize/propertyStats.xhtml", data).toString();

            BreadcrumbTrail trail = new BreadcrumbTrail();
            trail.add("Propriétés", "propertyStats.xhtml");
            result = WebCharterView.build(content, trail);
        }
        catch (XidynException exception)
        {
            throw new StatoolInfosException("Error building service page: " + exception.getMessage(), exception);
        }

        //
        return result;
    }
}