/*
 * Copyright (c) 1997, 2020, 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 java.util.*;
import java.util.function.Function;

import javax.lang.model.SourceVersion;
import javax.lang.model.element.ModuleElement;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;

import jdk.javadoc.doclet.Doclet;
import jdk.javadoc.doclet.DocletEnvironment;
import jdk.javadoc.doclet.Reporter;
import jdk.javadoc.internal.doclets.toolkit.AbstractDoclet;
import jdk.javadoc.internal.doclets.toolkit.DocletException;
import jdk.javadoc.internal.doclets.toolkit.Messages;
import jdk.javadoc.internal.doclets.toolkit.builders.AbstractBuilder;
import jdk.javadoc.internal.doclets.toolkit.builders.BuilderFactory;
import jdk.javadoc.internal.doclets.toolkit.util.ClassTree;
import jdk.javadoc.internal.doclets.toolkit.util.DeprecatedAPIListBuilder;
import jdk.javadoc.internal.doclets.toolkit.util.DocFile;
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.IndexBuilder;

The class with "start" method, calls individual Writers.
 
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.
/**
 * The class with "start" method, calls individual Writers.
 *
 *  <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>
 */
public class HtmlDoclet extends AbstractDoclet {

    
Creates a doclet to generate HTML documentation,
specifying the "initiating doclet" to be used when
initializing any taglets for this doclet.
An initiating doclet is one that delegates to
this doclet.
Params:
initiatingDoclet – the initiating doclet/**
     * Creates a doclet to generate HTML documentation,
     * specifying the "initiating doclet" to be used when
     * initializing any taglets for this doclet.
     * An initiating doclet is one that delegates to
     * this doclet.
     *
     * @param initiatingDoclet the initiating doclet
     */
    public HtmlDoclet(Doclet initiatingDoclet) {
        this.initiatingDoclet = initiatingDoclet;
    }

    @Override // defined by Doclet
    public String getName() {
        return "Html";
    }

    
The initiating doclet, to be specified when creating
the configuration.
/**
     * The initiating doclet, to be specified when creating
     * the configuration.
     */
    private final Doclet initiatingDoclet;

    
The global configuration information for this run. Initialized in init(Locale, Reporter). /**
     * The global configuration information for this run.
     * Initialized in {@link #init(Locale, Reporter)}.
     */
    private HtmlConfiguration configuration;

    
Object for generating messages and diagnostics.
/**
     * Object for generating messages and diagnostics.
     */
    private Messages messages;

    
Base path for resources for this doclet.
/**
     * Base path for resources for this doclet.
     */
    private static final DocPath DOCLET_RESOURCES = DocPath
            .create("/jdk/javadoc/internal/doclets/formats/html/resources");

    @Override // defined by Doclet
    public void init(Locale locale, Reporter reporter) {
        configuration = new HtmlConfiguration(initiatingDoclet, locale, reporter);
        messages = configuration.getMessages();
    }

    
Create the configuration instance.
Override this method to use a different
configuration.
Returns:
the configuration/**
     * Create the configuration instance.
     * Override this method to use a different
     * configuration.
     *
     * @return the configuration
     */
    @Override // defined by AbstractDoclet
    public HtmlConfiguration getConfiguration() {
        return configuration;
    }

    @Override
    protected Function<String, String> getResourceKeyMapper(DocletEnvironment docEnv) {
        SourceVersion sv = docEnv.getSourceVersion();
        Map<String, String> map = new HashMap<>();
        String[][] pairs = {
                // in standard.properties
                { "doclet.Enum_Hierarchy", "doclet.Enum_Class_Hierarchy" },
                { "doclet.Annotation_Type_Hierarchy", "doclet.Annotation_Interface_Hierarchy" },
                { "doclet.Href_Enum_Title", "doclet.Href_Enum_Class_Title" },
                { "doclet.Annotation_Types", "doclet.Annotation_Interfaces" },
                { "doclet.Annotation_Type_Members", "doclet.Annotation_Interface_Members" },
                { "doclet.annotation_types", "doclet.annotation_interfaces" },
                { "doclet.annotation_type_members", "doclet.annotation_interface_members" },
                { "doclet.help.enum.intro", "doclet.help.enum.class.intro" },
                { "doclet.help.annotation_type.intro", "doclet.help.annotation_interface.intro" },
                { "doclet.help.annotation_type.declaration", "doclet.help.annotation_interface.declaration" },
                { "doclet.help.annotation_type.description", "doclet.help.annotation_interface.description" },

                // in doclets.properties
                { "doclet.Annotation_Types_Summary", "doclet.Annotation_Interfaces_Summary" },
                { "doclet.Enum_Summary", "doclet.Enum_Class_Summary" },
                { "doclet.Enums", "doclet.EnumClasses" },
                { "doclet.AnnotationType", "doclet.AnnotationInterface" },
                { "doclet.AnnotationTypes", "doclet.AnnotationInterfaces" },
                { "doclet.annotationtype", "doclet.annotationinterface" },
                { "doclet.annotationtypes", "doclet.annotationinterfaces" },
                { "doclet.Enum", "doclet.EnumClass" },
                { "doclet.enum", "doclet.enumclass" },
                { "doclet.enums", "doclet.enumclasses" },
                { "doclet.Annotation_Type_Member", "doclet.Annotation_Interface_Member" },
                { "doclet.enum_values_doc.fullbody", "doclet.enum_class_values_doc.fullbody" },
                { "doclet.enum_values_doc.return", "doclet.enum_class_values_doc.return" },
                { "doclet.enum_valueof_doc.fullbody", "doclet.enum_class_valueof_doc.fullbody" },
                { "doclet.enum_valueof_doc.throws_ila", "doclet.enum_class_valueof_doc.throws_ila" },
                { "doclet.search.types", "doclet.search.classes_and_interfaces"}
        };
        for (String[] pair : pairs) {
            if (sv.compareTo(SourceVersion.RELEASE_16) >= 0) {
                map.put(pair[0], pair[1]);
            } else {
                map.put(pair[1], pair[0]);
            }
        }
        return (k) -> map.getOrDefault(k, k);
    }

    @Override // defined by AbstractDoclet
    public void generateClassFiles(ClassTree classTree) throws DocletException {

        if (!(configuration.getOptions().noDeprecated()
                || configuration.getOptions().noDeprecatedList())) {
            DeprecatedAPIListBuilder builder = new DeprecatedAPIListBuilder(configuration);
            if (!builder.isEmpty()) {
                configuration.deprecatedAPIListBuilder = builder;
                configuration.conditionalPages.add(HtmlConfiguration.ConditionalPage.DEPRECATED);
            }
        }

        super.generateClassFiles(classTree);
    }

    
Start the generation of files. Call generate methods in the individual
writers, which will in turn generate the documentation files. Call the
TreeWriter generation first to ensure the Class Hierarchy is built
first and then can be used in the later generation.
For new format.
Throws:
DocletException – if there is a problem while writing the other files/**
     * Start the generation of files. Call generate methods in the individual
     * writers, which will in turn generate the documentation files. Call the
     * TreeWriter generation first to ensure the Class Hierarchy is built
     * first and then can be used in the later generation.
     *
     * For new format.
     *
     * @throws DocletException if there is a problem while writing the other files
     */
    @Override // defined by AbstractDoclet
    protected void generateOtherFiles(ClassTree classtree)
            throws DocletException {
        super.generateOtherFiles(classtree);
        HtmlOptions options = configuration.getOptions();
        if (options.linkSource()) {
            SourceToHTMLConverter.convertRoot(configuration,DocPaths.SOURCE_OUTPUT);
        }
        // Modules with no documented classes may be specified on the
        // command line to specify a service provider, allow these.
        if (configuration.getSpecifiedModuleElements().isEmpty() &&
                configuration.topFile.isEmpty()) {
            messages.error("doclet.No_Non_Deprecated_Classes_To_Document");
            return;
        }
        boolean nodeprecated = options.noDeprecated();
        performCopy(options.helpFile());
        performCopy(options.stylesheetFile());
        for (String stylesheet : options.additionalStylesheets()) {
            performCopy(stylesheet);
        }
        // do early to reduce memory footprint
        if (options.classUse()) {
            ClassUseWriter.generate(configuration, classtree);
        }

        if (options.createTree()) {
            TreeWriter.generate(configuration, classtree);
        }

        if (configuration.conditionalPages.contains((HtmlConfiguration.ConditionalPage.DEPRECATED))) {
            DeprecatedListWriter.generate(configuration);
        }

        if (options.createOverview()) {
            if (configuration.showModules) {
                ModuleIndexWriter.generate(configuration);
            } else {
                PackageIndexWriter.generate(configuration);
            }
        }

        if (options.createIndex()) {
            SystemPropertiesWriter.generate(configuration);
            configuration.mainIndex.addElements();
            IndexBuilder allClassesIndex = new IndexBuilder(configuration, nodeprecated, true);
            allClassesIndex.addElements();
            AllClassesIndexWriter.generate(configuration, allClassesIndex);
            if (!configuration.packages.isEmpty()) {
                AllPackagesIndexWriter.generate(configuration);
            }
            configuration.mainIndex.createSearchIndexFiles();
            IndexWriter.generate(configuration);
        }

        if (options.createOverview()) {
            IndexRedirectWriter.generate(configuration, DocPaths.OVERVIEW_SUMMARY, DocPaths.INDEX);
        } else {
            IndexRedirectWriter.generate(configuration);
        }

        if (options.helpFile().isEmpty() && !options.noHelp()) {
            HelpWriter.generate(configuration);
        }
        // If a stylesheet file is not specified, copy the default stylesheet
        // and replace newline with platform-specific newline.
        DocFile f;
        if (options.stylesheetFile().length() == 0) {
            f = DocFile.createFileForOutput(configuration, DocPaths.STYLESHEET);
            f.copyResource(DocPaths.RESOURCES.resolve(DocPaths.STYLESHEET), true, true);
        }
        f = DocFile.createFileForOutput(configuration, DocPaths.JAVASCRIPT);
        f.copyResource(DocPaths.RESOURCES.resolve(DocPaths.JAVASCRIPT), true, true);
        if (options.createIndex()) {
            f = DocFile.createFileForOutput(configuration, DocPaths.SEARCH_JS);
            f.copyResource(DOCLET_RESOURCES.resolve(DocPaths.SEARCH_JS_TEMPLATE), configuration.docResources);

            f = DocFile.createFileForOutput(configuration, DocPaths.RESOURCES.resolve(DocPaths.GLASS_IMG));
            f.copyResource(DOCLET_RESOURCES.resolve(DocPaths.GLASS_IMG), true, false);

            f = DocFile.createFileForOutput(configuration, DocPaths.RESOURCES.resolve(DocPaths.X_IMG));
            f.copyResource(DOCLET_RESOURCES.resolve(DocPaths.X_IMG), true, false);
            copyJqueryFiles();

            f = DocFile.createFileForOutput(configuration, DocPaths.JQUERY_OVERRIDES_CSS);
            f.copyResource(DOCLET_RESOURCES.resolve(DocPaths.JQUERY_OVERRIDES_CSS), true, true);
        }
    }

    private void copyJqueryFiles() throws DocletException {
        List<String> files = Arrays.asList(
                "jquery-3.5.1.min.js",
                "jquery-ui.min.js",
                "jquery-ui.min.css",
                "jquery-ui.structure.min.css",
                "images/ui-bg_glass_65_dadada_1x400.png",
                "images/ui-icons_454545_256x240.png",
                "images/ui-bg_glass_95_fef1ec_1x400.png",
                "images/ui-bg_glass_75_dadada_1x400.png",
                "images/ui-bg_highlight-soft_75_cccccc_1x100.png",
                "images/ui-icons_888888_256x240.png",
                "images/ui-icons_2e83ff_256x240.png",
                "images/ui-icons_cd0a0a_256x240.png",
                "images/ui-bg_glass_55_fbf9ee_1x400.png",
                "images/ui-icons_222222_256x240.png",
                "images/ui-bg_glass_75_e6e6e6_1x400.png");
        DocFile f;
        for (String file : files) {
            DocPath filePath = DocPaths.JQUERY_FILES.resolve(file);
            f = DocFile.createFileForOutput(configuration, filePath);
            f.copyResource(DOCLET_RESOURCES.resolve(filePath), true, false);
        }
    }

    @Override // defined by AbstractDoclet
    protected void generateClassFiles(SortedSet<TypeElement> typeElems, ClassTree classTree)
            throws DocletException {
        BuilderFactory f = configuration.getBuilderFactory();
        for (TypeElement te : typeElems) {
            if (utils.hasHiddenTag(te) ||
                    !(configuration.isGeneratedDoc(te) && utils.isIncluded(te))) {
                continue;
            }
            f.getClassBuilder(te, classTree).build();
        }
    }

    @Override // defined by AbstractDoclet
    protected void generateModuleFiles() throws DocletException {
        if (configuration.showModules) {
            List<ModuleElement> mdles = new ArrayList<>(configuration.modulePackages.keySet());
            for (ModuleElement mdle : mdles) {
                AbstractBuilder moduleSummaryBuilder =
                        configuration.getBuilderFactory().getModuleSummaryBuilder(mdle);
                moduleSummaryBuilder.build();
            }
        }
    }

    @Override // defined by AbstractDoclet
    protected void generatePackageFiles(ClassTree classtree) throws DocletException {
        HtmlOptions options = configuration.getOptions();
        Set<PackageElement> packages = configuration.packages;
        List<PackageElement> pList = new ArrayList<>(packages);
        for (PackageElement pkg : pList) {
            // if -nodeprecated option is set and the package is marked as
            // deprecated, do not generate the package-summary.html, package-frame.html
            // and package-tree.html pages for that package.
            if (!(options.noDeprecated() && utils.isDeprecated(pkg))) {
                AbstractBuilder packageSummaryBuilder =
                        configuration.getBuilderFactory().getPackageSummaryBuilder(pkg);
                packageSummaryBuilder.build();
                if (options.createTree()) {
                    PackageTreeWriter.generate(configuration, pkg, options.noDeprecated());
                }
            }
        }
    }

    @Override // defined by Doclet
    public Set<? extends Option> getSupportedOptions() {
        return configuration.getOptions().getSupportedOptions();
    }

    private void performCopy(String filename) throws DocFileIOException {
        if (filename.isEmpty())
            return;

        DocFile fromfile = DocFile.createFileForInput(configuration, filename);
        DocPath path = DocPath.create(fromfile.getName());
        DocFile toFile = DocFile.createFileForOutput(configuration, path);
        if (toFile.isSameFile(fromfile))
            return;

        messages.notice("doclet.Copying_File_0_To_File_1",
                fromfile.toString(), path.getPath());
        toFile.copyFile(fromfile);
    }
}