/*

 * 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.

 *

 * 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.

 */

import java.awt.BorderLayout;

import java.awt.Robot;

import java.io.File;

import java.io.FileReader;

import java.io.IOException;

import java.net.URL;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import javax.swing.*;

import javax.swing.text.AbstractDocument.AbstractElement;

import javax.swing.text.AbstractDocument;

import javax.swing.text.Document;

import javax.swing.text.MutableAttributeSet;

import javax.swing.text.html.HTML;

import javax.swing.text.html.HTMLDocument;

import javax.swing.text.html.HTMLEditorKit;

import javax.swing.text.html.parser.ParserDelegator;

public class bug7165725 extends JFrame {

    private static class GoldenElement {

        private String goldenName;

        private List<GoldenElement> goldenChildren;

        GoldenElement(String goldenName, GoldenElement... goldenChildren){

            this.goldenName = goldenName;

            if (goldenChildren != null) {

                this.goldenChildren = Arrays.asList(goldenChildren);

            } else {

                this.goldenChildren = new ArrayList<>();

            }

        }

        // throws RuntimeException if not ok

        public void checkStructureEquivalence(AbstractDocument.AbstractElement elem) {

            String name = elem.getName();

            if (!goldenName.equals(name)) {

                throw new RuntimeException("Bad structure: expected element name is '" + goldenName + "' but the actual name was '" + name + "'.");

            }

            int goldenChildCount = goldenChildren.size();

            int childCount = elem.getChildCount();

            if (childCount != goldenChildCount) {

                System.out.print("D: children: ");

                for (int i = 0; i < childCount; i++) {

                    System.out.print(" " + elem.getElement(i).getName());

                }

                System.out.println("");

                System.out.print("D: goldenChildren: ");

                for (GoldenElement ge : goldenChildren) {

                    System.out.print(" " + ge.goldenName);

                }

                System.out.println("");

                throw new RuntimeException("Bad structure: expected child count of element '" + goldenName + "' is '" + goldenChildCount + "' but the actual count was '" + childCount + "'.");

            }

            for (int i = 0; i < childCount; i++) {

                AbstractDocument.AbstractElement nextElem = (AbstractDocument.AbstractElement) elem.getElement(i);

                GoldenElement goldenElement = goldenChildren.get(i);

                goldenElement.checkStructureEquivalence(nextElem);

            }

        }

    }

    private JEditorPane editorPane;

    public void execute(final String urlStr, final GoldenElement goldenElement) throws Exception {

        System.out.println();

        System.out.println("***** TEST: " + urlStr + " *****");

        System.out.println();

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                try {

                    editorPane = new JEditorPane();

                    editorPane.setEditorKit(new HTMLEditorKit() {

                        public Document createDefaultDocument() {

                            AbstractDocument doc =

                                    (AbstractDocument) super.createDefaultDocument();

                            doc.setAsynchronousLoadPriority(-1);

                            return doc;

                        }

                    });

                    editorPane.setPage(new URL(urlStr));

                } catch (IOException ex) {

                    throw new RuntimeException("Test failed", ex);

                }

                editorPane.setEditable(false);

                JScrollPane scroller = new JScrollPane();

                JViewport vp = scroller.getViewport();

                vp.add(editorPane);

                add(scroller, BorderLayout.CENTER);

                setDefaultCloseOperation(EXIT_ON_CLOSE);

                setSize(400, 400);

                setLocationRelativeTo(null);

                setVisible(true);

            }

        });

        Robot robot = new Robot();

        robot.waitForIdle();

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                HTMLDocument doc = (HTMLDocument) editorPane.getDocument();

                doc.dump(System.out);

                goldenElement.checkStructureEquivalence((AbstractElement) doc.getDefaultRootElement());

                dispose();

            }

        });

        System.out.println();

        System.out.println("*********************************");

        System.out.println();

    }

    public static void main(String[] args) throws Exception {

        String dirURL = getDirURL();

        System.out.println("dirURL = " + dirURL);

        new bug7165725().execute(dirURL + "successive-script-tag.html", createSuccessiveScriptTags());

        new bug7165725().execute(dirURL + "false-text-after-script.html", createFalseTextAfterScript());

        checkByCallbackForSuccessiveScript();

        checkByCallbackForFalseTextAfterScript();

        System.out.println();

        System.out.println();

        System.out.println("Test passed.");

    }

    static String getDirURL() {

        return "file:///" +

                new File(System.getProperty("test.src", ".")).getAbsolutePath() +

                File.separator;

    }

    static String getParsedContentOneLine(String path) throws Exception {

        File f = new File(path);

        FileReader fr = new FileReader(f);

        ParserDelegator pd = new ParserDelegator();

        SBParserCallback sbcallback = new SBParserCallback();

        pd.parse(fr, sbcallback, true);

        fr.close();

        return sbcallback.getStringOneLine();

    }

    static String getParsedContentOneLine(URL url) throws Exception {

        return getParsedContentOneLine(url.getPath());

    }

    static void checkByCallbackForSuccessiveScript() throws Exception {

        String content = getParsedContentOneLine(new URL(getDirURL() + "successive-script-tag.html"));

        if (!content.matches(".*<script .*/js/js1\\.js.*<script .*/js/js2\\.js.*<script .*/js/js3\\.js.*"))

            throw new RuntimeException("Failed to lookup script tags/attributes.");

        if (!content.matches(".*<style .*stylesheets/base\\.css.*<style .*stylesheets/adv\\.css.*"))

            throw new RuntimeException("Failed to lookup style tags.");

    }

    static void checkByCallbackForFalseTextAfterScript() throws Exception {

        String content = getParsedContentOneLine(new URL(getDirURL() + "false-text-after-script.html"));

        final int bodyIdx = content.indexOf("<body ");

        if (bodyIdx > 0) {

            String sbody = content.substring(bodyIdx);

            // There should be no Text(...) in this html

            if (sbody.indexOf("Text(") >= 0)

                throw new RuntimeException("Unexpected text found.");

        } else {

            throw new RuntimeException("Failed to find body tag.");

        }

    }

    private static GoldenElement createSuccessiveScriptTags() {

        return new GoldenElement("html",

                new GoldenElement("head",

                        new GoldenElement("p-implied",

                                new GoldenElement("title"),

                                new GoldenElement("title"),

                                new GoldenElement("script"),

                                new GoldenElement("comment"),

                                new GoldenElement("script"),

                                new GoldenElement("script"),

                                new GoldenElement("comment"),

                                new GoldenElement("script"),

                                new GoldenElement("script"),

                                new GoldenElement("comment"),

                                new GoldenElement("script"),

                                new GoldenElement("content"))),

                new GoldenElement("body",

                        new GoldenElement("p-implied",

                                new GoldenElement("content"))));

    }

    private static GoldenElement createFalseTextAfterScript() {

        return new GoldenElement("html",

                new GoldenElement("head",

                        new GoldenElement("p-implied",

                                new GoldenElement("title"),

                                new GoldenElement("title"),

                                new GoldenElement("content"))),

                new GoldenElement("body",

                        new GoldenElement("form",

                                new GoldenElement("p-implied",

                                        new GoldenElement("input"),

                                        new GoldenElement("input"),

                                        new GoldenElement("content"))),

                        new GoldenElement("p-implied",

                                new GoldenElement("script"),

                                new GoldenElement("comment"),

                                new GoldenElement("script"),

                                new GoldenElement("script"),

                                new GoldenElement("comment"),

                                new GoldenElement("script"),

                                new GoldenElement("content"))));

    }

    static class SBParserCallback extends HTMLEditorKit.ParserCallback

    {

        private int indentSize = 0;

        private ArrayList<String> elist = new ArrayList<>();

        public String getStringOneLine() {

            StringBuilder sb = new StringBuilder();

            for (String s : elist) sb.append(s);

            return sb.toString();

        }

        public String toString() {

            StringBuffer sb = new StringBuffer();

            for (String s : elist) sb.append(s + "\n");

            return sb.toString();

        }

        protected void indent() {

            indentSize += 3;

        }

        protected void unIndent() {

            indentSize -= 3; if (indentSize < 0) indentSize = 0;

        }

        protected String pIndent() {

            StringBuilder sb = new StringBuilder();

            for(int i = 0; i < indentSize; i++) sb.append(" ");

            return sb.toString();

        }

        public void handleText(char[] data, int pos) {

            elist.add(pIndent() + "Text(" + data.length + " chars) \"" + new String(data) + "\"");

        }

        public void handleComment(char[] data, int pos) {

            elist.add(pIndent() + "Comment(" + data.length + " chars)");

        }

        public void handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) {

            elist.add(pIndent() + "Tag start(<" + t.toString() + " " + a + ">, " +

                    a.getAttributeCount() + " attrs)");

            indent();

        }

        public void handleEndTag(HTML.Tag t, int pos) {

            unIndent();

            elist.add(pIndent() + "Tag end(</" + t.toString() + ">)");

        }

        public void handleSimpleTag(HTML.Tag t, MutableAttributeSet a, int pos) {

            elist.add(pIndent() + "Tag(<" + t.toString() + ">, " +

                    a.getAttributeCount() + " attrs)");

        }

        public void handleError(String errorMsg, int pos){

        }

    }

}