/*

 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.javadoc.internal.doclets.formats.html;

import jdk.javadoc.internal.doclets.formats.html.markup.Table;

import java.util.*;

import javax.lang.model.element.PackageElement;

import jdk.javadoc.internal.doclets.formats.html.markup.ContentBuilder;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTag;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;

import jdk.javadoc.internal.doclets.toolkit.Content;

import jdk.javadoc.internal.doclets.toolkit.util.DocFileIOException;

import jdk.javadoc.internal.doclets.toolkit.util.DocPath;

import jdk.javadoc.internal.doclets.toolkit.util.DocPaths;

import jdk.javadoc.internal.doclets.toolkit.util.Group;

/**

 * Generate the package index page "overview-summary.html" for the right-hand

 * frame. A click on the package name on this page will update the same frame

 * with the "package-summary.html" file for the clicked package.

 *

 *  <p><b>This is NOT part of any supported API.

 *  If you write code that depends on this, you do so at your own risk.

 *  This code and its internal interfaces are subject to change or

 *  deletion without notice.</b>

 *

 * @author Atul M Dambalkar

 * @author Bhavesh Patel (Modified)

 */

public class PackageIndexWriter extends AbstractPackageIndexWriter {

    /**

     * HTML tree for main tag.

     */

    private final HtmlTree htmlTree = HtmlTree.MAIN();

    /**

     * Construct the PackageIndexWriter. Also constructs the grouping

     * information as provided on the command line by "-group" option. Stores

     * the order of groups specified by the user.

     *

     * @param configuration the configuration for this doclet

     * @param filename the path of the page to be generated

     * @see Group

     */

    public PackageIndexWriter(HtmlConfiguration configuration, DocPath filename) {

        super(configuration, filename);

    }

    /**

     * Generate the package index page for the right-hand frame.

     *

     * @param configuration the current configuration of the doclet.

     * @throws DocFileIOException if there is a problem generating the package index page

     */

    public static void generate(HtmlConfiguration configuration) throws DocFileIOException {

        DocPath filename = DocPaths.overviewSummary(configuration.frames);

        PackageIndexWriter packgen = new PackageIndexWriter(configuration, filename);

        packgen.buildPackageIndexFile("doclet.Window_Overview_Summary", true);

    }

    /**

     * Depending upon the grouping information and their titles, add

     * separate table indices for each package group.

     *

     * @param body the documentation tree to which the index will be added

     */

    @Override

    protected void addIndex(Content body) {

        addIndexContents(body);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void addPackagesList(Content body) {

        Map<String, SortedSet<PackageElement>> groupPackageMap

                = configuration.group.groupPackages(packages);

        if (!groupPackageMap.keySet().isEmpty()) {

            String tableSummary = configuration.getText("doclet.Member_Table_Summary",

                    configuration.getText("doclet.Package_Summary"), configuration.getText("doclet.packages"));

            Table table =  new Table(configuration.htmlVersion, HtmlStyle.overviewSummary)

                    .setSummary(tableSummary)

                    .setHeader(getPackageTableHeader())

                    .setColumnStyles(HtmlStyle.colFirst, HtmlStyle.colLast)

                    .setDefaultTab(resources.getText("doclet.All_Packages"))

                    .setTabScript(i -> "show(" + i + ");")

                    .setTabId(i -> (i == 0) ? "t0" : ("t" + (1 << (i - 1))));

            // add the tabs in command-line order

            for (String groupName : configuration.group.getGroupList()) {

                Set<PackageElement> groupPackages = groupPackageMap.get(groupName);

                if (groupPackages != null) {

                    table.addTab(groupName, groupPackages::contains);

                }

            }

            for (PackageElement pkg : configuration.packages) {

                if (!pkg.isUnnamed()) {

                    if (!(configuration.nodeprecated && utils.isDeprecated(pkg))) {

                        Content packageLinkContent = getPackageLink(pkg, getPackageName(pkg));

                        Content summaryContent = new ContentBuilder();

                        addSummaryComment(pkg, summaryContent);

                        table.addRow(pkg, packageLinkContent, summaryContent);

                    }

                }

            }

            Content div = HtmlTree.DIV(HtmlStyle.contentContainer, table.toContent());

            if (configuration.allowTag(HtmlTag.MAIN)) {

                htmlTree.addContent(div);

            } else {

                body.addContent(div);

            }

            if (table.needsScript()) {

                getMainBodyScript().append(table.getScript());

            }

        }

    }

    /**

     * Adds the overview summary comment for this documentation. Add one line

     * summary at the top of the page and generate a link to the description,

     * which is added at the end of this page.

     *

     * @param body the documentation tree to which the overview header will be added

     */

    @Override

    protected void addOverviewHeader(Content body) {

        addConfigurationTitle(body);

        if (!utils.getFullBody(configuration.overviewElement).isEmpty()) {

            HtmlTree div = new HtmlTree(HtmlTag.DIV);

            div.setStyle(HtmlStyle.contentContainer);

            addOverviewComment(div);

            if (configuration.allowTag(HtmlTag.MAIN)) {

                htmlTree.addContent(div);

            } else {

                body.addContent(div);

            }

        }

    }

    /**

     * Adds the overview comment as provided in the file specified by the

     * "-overview" option on the command line.

     *

     * @param htmltree the documentation tree to which the overview comment will

     *                 be added

     */

    protected void addOverviewComment(Content htmltree) {

        if (!utils.getFullBody(configuration.overviewElement).isEmpty()) {

            addInlineComment(configuration.overviewElement, htmltree);

        }

    }

    /**

     * For HTML 5, add the htmlTree to the body. For HTML 4, do nothing.

     *

     * @param body the documentation tree to which the overview will be added

     */

    @Override

    protected void addOverview(Content body) {

        if (configuration.allowTag(HtmlTag.MAIN)) {

            body.addContent(htmlTree);

        }

    }

    /**

     * Adds the top text (from the -top option), the upper

     * navigation bar, and then the title (from the"-title"

     * option), at the top of page.

     *

     * @param body the documentation tree to which the navigation bar header will be added

     */

    @Override

    protected void addNavigationBarHeader(Content body) {

        Content tree = (configuration.allowTag(HtmlTag.HEADER))

                ? HtmlTree.HEADER()

                : body;

        addTop(tree);

        navBar.setUserHeader(getUserHeaderFooter(true));

        tree.addContent(navBar.getContent(true));

        if (configuration.allowTag(HtmlTag.HEADER)) {

            body.addContent(tree);

        }

    }

    /**

     * Adds the lower navigation bar and the bottom text

     * (from the -bottom option) at the bottom of page.

     *

     * @param body the documentation tree to which the navigation bar footer will be added

     */

    @Override

    protected void addNavigationBarFooter(Content body) {

        Content tree = (configuration.allowTag(HtmlTag.FOOTER))

                ? HtmlTree.FOOTER()

                : body;

        navBar.setUserFooter(getUserHeaderFooter(false));

        tree.addContent(navBar.getContent(false));

        addBottom(tree);

        if (configuration.allowTag(HtmlTag.FOOTER)) {

            body.addContent(tree);

        }

    }

}