/*
 * 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.crawl.CrawlCache;
import fr.devinsy.xidyn.XidynException;
import fr.devinsy.xidyn.data.TagDataManager;
import fr.devinsy.xidyn.presenters.PresenterUtils;

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

    /**
     * Builds the.
     *
     * @throws StatoolInfosException
     *             the statool infos exception
     * @throws IOException
     *             Signals that an I/O exception has occurred.
     */
    public static void build() throws StatoolInfosException, IOException
    {
        logger.info("Htmlize about page.");

        Federation federation = HtmlizerContext.instance().getFederation();
        CrawlCache cache = HtmlizerContext.instance().getCache();
        File htmlizeDirectory = HtmlizerContext.instance().getHtmlizeDirectory();

        String page = htmlize();
        FileUtils.write(new File(htmlizeDirectory, "about.xhtml"), page, StandardCharsets.UTF_8);
    }

    /**
     * Builds the.
     *
     * @return the string
     * @throws StatoolInfosException
     *             the statool infos exception
     */
    public static String htmlize() throws StatoolInfosException
    {
        String result;

        try
        {
            logger.debug("Building about page {}.");

            TagDataManager data = new TagDataManager();

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

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

        //
        return result;
    }
}