/*
 * 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.Configuration;
import fr.devinsy.statoolinfos.core.StatoolInfosException;
import fr.devinsy.xidyn.XidynException;
import fr.devinsy.xidyn.data.TagDataManager;
import fr.devinsy.xidyn.presenters.PresenterUtils;
import fr.devinsy.xidyn.utils.XidynUtils;

/**
 * The Class EditoPage.
 */
public class EditoPage
{
    private static Logger logger = LoggerFactory.getLogger(EditoPage.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 edito page.");

        Configuration configuration = HtmlizerContext.instance().getConfiguration();
        File htmlizeDirectory = HtmlizerContext.instance().getHtmlizeDirectory();

        String edito;
        File editoDirectory = configuration.getEditoDirectory();
        if ((editoDirectory != null) && (editoDirectory.exists()))
        {
            File editoFile = new File(editoDirectory, "edito.xhtml");

            if (editoFile.exists())
            {
                logger.info("EDITO: found data.");
                // Copy files.
                FileUtils.copyDirectory(editoDirectory, htmlizeDirectory);

                // Load body edito xhtml file.
                edito = FileUtils.readFileToString(editoFile, "UTF-8");
                edito = XidynUtils.extractBodyContent(edito);
            }
            else
            {
                logger.info("EDITO: not found data.");
                edito = null;
            }
        }
        else
        {
            logger.info("EDITO: not found configuration.");
            edito = null;
        }

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

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

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

            TagDataManager data = new TagDataManager();

            if (edito != null)
            {
                data.setContent("edito", edito);
            }

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

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

        //
        return result;
    }
}