/*
 * Copyright (c) 2013, 2016, 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.Arrays;
import java.util.List;

import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.type.TypeMirror;

import jdk.javadoc.internal.doclets.formats.html.markup.HtmlConstants;
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.formats.html.markup.StringContent;
import jdk.javadoc.internal.doclets.toolkit.AnnotationTypeFieldWriter;
import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.MemberSummaryWriter;


/**
 * Writes annotation type field documentation in HTML format.
 *
 *  <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 Bhavesh Patel
 */
public class AnnotationTypeFieldWriterImpl extends AbstractMemberWriter
    implements AnnotationTypeFieldWriter, MemberSummaryWriter {

    /**
     * Construct a new AnnotationTypeFieldWriterImpl.
     *
     * @param writer         the writer that will write the output.
     * @param annotationType the AnnotationType that holds this member.
     */
    public AnnotationTypeFieldWriterImpl(SubWriterHolderWriter writer,
            TypeElement annotationType) {
        super(writer, annotationType);
    }

    /**
     * {@inheritDoc}
     */
    public Content getMemberSummaryHeader(TypeElement typeElement,
            Content memberSummaryTree) {
        memberSummaryTree.addContent(
                HtmlConstants.START_OF_ANNOTATION_TYPE_FIELD_SUMMARY);
        Content memberTree = writer.getMemberTreeHeader();
        writer.addSummaryHeader(this, typeElement, memberTree);
        return memberTree;
    }

    /**
     * {@inheritDoc}
     */
    public Content getMemberTreeHeader() {
        return writer.getMemberTreeHeader();
    }

    /**
     * {@inheritDoc}
     */
    public void addMemberTree(Content memberSummaryTree, Content memberTree) {
        writer.addMemberTree(memberSummaryTree, memberTree);
    }

    /**
     * {@inheritDoc}
     */
    public void addAnnotationFieldDetailsMarker(Content memberDetails) {
        memberDetails.addContent(HtmlConstants.START_OF_ANNOTATION_TYPE_FIELD_DETAILS);
    }

    /**
     * {@inheritDoc}
     */
    public void addAnnotationDetailsTreeHeader(TypeElement typeElement,
            Content memberDetailsTree) {
        if (!writer.printedAnnotationFieldHeading) {
            memberDetailsTree.addContent(writer.getMarkerAnchor(
                    SectionName.ANNOTATION_TYPE_FIELD_DETAIL));
            Content heading = HtmlTree.HEADING(HtmlConstants.DETAILS_HEADING,
                    contents.fieldDetailsLabel);
            memberDetailsTree.addContent(heading);
            writer.printedAnnotationFieldHeading = true;
        }
    }

    /**
     * {@inheritDoc}
     */
    public Content getAnnotationDocTreeHeader(Element member,
            Content annotationDetailsTree) {
        annotationDetailsTree.addContent(
                writer.getMarkerAnchor(name(member)));
        Content annotationDocTree = writer.getMemberTreeHeader();
        Content heading = new HtmlTree(HtmlConstants.MEMBER_HEADING);
        heading.addContent(name(member));
        annotationDocTree.addContent(heading);
        return annotationDocTree;
    }

    /**
     * {@inheritDoc}
     */
    public Content getSignature(Element member) {
        Content pre = new HtmlTree(HtmlTag.PRE);
        writer.addAnnotationInfo(member, pre);
        addModifiers(member, pre);
        Content link =
                writer.getLink(new LinkInfoImpl(configuration,
                        LinkInfoImpl.Kind.MEMBER, getType(member)));
        pre.addContent(link);
        pre.addContent(Contents.SPACE);
        if (configuration.linksource) {
            Content memberName = new StringContent(name(member));
            writer.addSrcLink(member, memberName, pre);
        } else {
            addName(name(member), pre);
        }
        return pre;
    }

    /**
     * {@inheritDoc}
     */
    public void addDeprecated(Element member, Content annotationDocTree) {
        addDeprecatedInfo(member, annotationDocTree);
    }

    /**
     * {@inheritDoc}
     */
    public void addComments(Element member, Content annotationDocTree) {
        addComment(member, annotationDocTree);
    }

    /**
     * {@inheritDoc}
     */
    public void addTags(Element member, Content annotationDocTree) {
        writer.addTagsInfo(member, annotationDocTree);
    }

    /**
     * {@inheritDoc}
     */
    public Content getAnnotationDetails(Content annotationDetailsTree) {
        if (configuration.allowTag(HtmlTag.SECTION)) {
            HtmlTree htmlTree = HtmlTree.SECTION(getMemberTree(annotationDetailsTree));
            return htmlTree;
        }
        return getMemberTree(annotationDetailsTree);
    }

    /**
     * {@inheritDoc}
     */
    public Content getAnnotationDoc(Content annotationDocTree,
            boolean isLastContent) {
        return getMemberTree(annotationDocTree, isLastContent);
    }

    /**
     * {@inheritDoc}
     */
    public void addSummaryLabel(Content memberTree) {
        Content label = HtmlTree.HEADING(HtmlConstants.SUMMARY_HEADING,
                contents.fieldSummaryLabel);
        memberTree.addContent(label);
    }

    /**
     * {@inheritDoc}
     */
    public String getTableSummary() {
        return configuration.getText("doclet.Member_Table_Summary",
                configuration.getText("doclet.Field_Summary"),
                configuration.getText("doclet.fields"));
    }

    /**
     * {@inheritDoc}
     */
    public Content getCaption() {
        return configuration.getContent("doclet.Fields");
    }

    /**
     * {@inheritDoc}
     */
    public List<String> getSummaryTableHeader(Element member) {
        List<String> header = Arrays.asList(writer.getModifierTypeHeader(),
                resources.getText("doclet.Fields"), resources.getText("doclet.Description"));
        return header;
    }

    /**
     * {@inheritDoc}
     */
    public void addSummaryAnchor(TypeElement typeElement, Content memberTree) {
        memberTree.addContent(writer.getMarkerAnchor(
                SectionName.ANNOTATION_TYPE_FIELD_SUMMARY));
    }

    /**
     * {@inheritDoc}
     */
    public void addInheritedSummaryAnchor(TypeElement typeElement, Content inheritedTree) {
    }

    /**
     * {@inheritDoc}
     */
    public void addInheritedSummaryLabel(TypeElement typeElement, Content inheritedTree) {
    }

    /**
     * {@inheritDoc}
     */
    protected void addSummaryLink(LinkInfoImpl.Kind context, TypeElement typeElement, Element member,
            Content tdSummary) {
        Content memberLink = HtmlTree.SPAN(HtmlStyle.memberNameLink,
                writer.getDocLink(context, member, name(member), false));
        Content code = HtmlTree.CODE(memberLink);
        tdSummary.addContent(code);
    }

    /**
     * {@inheritDoc}
     */
    protected void addInheritedSummaryLink(TypeElement typeElement,
            Element member, Content linksTree) {
        //Not applicable.
    }

    /**
     * {@inheritDoc}
     */
    protected void addSummaryType(Element member, Content tdSummaryType) {
        addModifierAndType(member, getType(member), tdSummaryType);
    }

    /**
     * {@inheritDoc}
     */
    protected Content getDeprecatedLink(Element member) {
        return writer.getDocLink(LinkInfoImpl.Kind.MEMBER,
                member, utils.getFullyQualifiedName(member));
    }

    /**
     * {@inheritDoc}
     */
    protected Content getNavSummaryLink(TypeElement typeElement, boolean link) {
        if (link) {
            return writer.getHyperLink(
                    SectionName.ANNOTATION_TYPE_FIELD_SUMMARY,
                    contents.navField);
        } else {
            return contents.navField;
        }
    }

    /**
     * {@inheritDoc}
     */
    protected void addNavDetailLink(boolean link, Content liNav) {
        if (link) {
            liNav.addContent(writer.getHyperLink(
                    SectionName.ANNOTATION_TYPE_FIELD_DETAIL,
                    contents.navField));
        } else {
            liNav.addContent(contents.navField);
        }
    }
    private TypeMirror getType(Element member) {
        if (utils.isConstructor(member))
            return null;
        if (utils.isExecutableElement(member))
            return utils.getReturnType((ExecutableElement)member);
        return member.asType();
    }
}