/*
 * 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.Categories;
import fr.devinsy.statoolinfos.core.Federation;
import fr.devinsy.statoolinfos.core.StatoolInfosException;
import fr.devinsy.statoolinfos.stats.StatAgent;
import fr.devinsy.statoolinfos.stats.categories.CategoryStat;
import fr.devinsy.statoolinfos.stats.categories.CategoryStats;
import fr.devinsy.xidyn.XidynException;
import fr.devinsy.xidyn.data.TagDataManager;
import fr.devinsy.xidyn.presenters.PresenterUtils;

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

    /**
     * Builds the.
     * 
     * @throws StatoolInfosException
     * @throws IOException
     */
    public static void build() throws StatoolInfosException, IOException
    {
        Federation federation = HtmlizerContext.instance().getFederation();
        File htmlizeDirectory = HtmlizerContext.instance().getHtmlizeDirectory();
        Categories categories = HtmlizerContext.instance().getCategories();

        logger.info("Htmlize categories page.");
        CategoryStats stats = StatAgent.statAllCategories(federation, categories);
        String page = CategoriesPage.htmlize(stats);
        FileUtils.write(new File(htmlizeDirectory, "categories.xhtml"), page, StandardCharsets.UTF_8);
    }

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

        try
        {
            logger.debug("Building categories page.");

            TagDataManager data = new TagDataManager();

            data.setContent("categoryCount", stats.size());

            int index = 0;
            for (CategoryStat stat : stats)
            {
                data.setEscapedContent("categoryListLine", index, "categoryListLineNameValue", stat.getCategory().getName());
                data.setAttribute("categoryListLine", index, "categoryListLineNameLink", "href", "category-" + stat.getCategory().getTechnicalName() + ".xhtml");
                data.setAttribute("categoryListLine", index, "categoryListLineNameLink", "title", stat.getCategory().getDescription());
                data.setAttribute("categoryListLine", index, "categoryListLineNameLogo", "src", stat.getCategory().getLogoPath());

                data.setEscapedContent("categoryListLine", index, "categoryListLineSoftwares", stat.getCategory().getSoftwares().sort().toStringWithFrenchCommas());
                data.setContent("categoryListLine", index, "categoryListLineOrganizationCount", stat.getOrganizationCount());
                data.setContent("categoryListLine", index, "categoryListLineServiceCount", stat.getServiceCount());
                data.setContent("categoryListLine", index, "categoryListLineUserCount", stat.getUserCount());

                index += 1;
            }

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

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

        //
        return result;
    }
}