/*******************************************************************************
 * Copyright (c) 2010, 2020 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.html.core.tests.html5.model;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.wst.html.core.internal.contentmodel.HTML5AttributeCollection;
import org.eclipse.wst.html.core.internal.contentmodel.HTMLAttributeDeclaration;
import org.eclipse.wst.html.core.internal.contentmodel.HTMLCMDocumentFactory;
import org.eclipse.wst.html.core.internal.provisional.HTML40Namespace;
import org.eclipse.wst.html.core.internal.provisional.HTML50Namespace;
import org.eclipse.wst.xml.core.internal.contentmodel.CMAttributeDeclaration;
import org.eclipse.wst.xml.core.internal.contentmodel.CMDocument;
import org.eclipse.wst.xml.core.internal.contentmodel.CMElementDeclaration;
import org.eclipse.wst.xml.core.internal.contentmodel.CMNamedNodeMap;
import org.eclipse.wst.xml.core.internal.contentmodel.CMNode;
import org.eclipse.wst.xml.core.internal.provisional.contentmodel.CMDocType;

import junit.framework.TestCase;

public class HTML5ContentModelTest extends TestCase {

	public HTML5ContentModelTest(String name) {
		super(name);
	}

	/**
	 * @param cm_doc_type
	 * @param elementName
	 * @param attrNameImport
	 */
	private void checkAttrNames(String documentKey, String elementName, String[] attrNames) {
		CMDocument document = HTMLCMDocumentFactory.getCMDocument(documentKey);
		CMNode elementDeclaration = document.getElements().getNamedItem(elementName);
		assertNotNull("no such element declaration:" + elementName, elementDeclaration);
		assertEquals("not an element declaration:" + elementDeclaration, CMNode.ELEMENT_DECLARATION, elementDeclaration.getNodeType());

		CMNamedNodeMap attributes = ((CMElementDeclaration) elementDeclaration).getAttributes();

		StringBuilder actualNames = new StringBuilder();
		for (int i = 0; i < attrNames.length; i++, actualNames.append(',')) {
			actualNames.append(attrNames[i]);
			assertNotNull("missing attribute declaration:" + attrNames[i] + " for element: " + elementName, attributes.getNamedItem(attrNames[i]));
		}
		assertEquals("Attributes defined in content model that are not expected by the test for element: " + elementName, attributes.getLength(), attrNames.length);
	}

	private void checkAttrNames(String documentKey, String elementName, String[] attrNames, String sortedExpectedNames) {
		CMDocument document = HTMLCMDocumentFactory.getCMDocument(documentKey);
		CMNode elementDeclaration = document.getElements().getNamedItem(elementName);
		assertNotNull("no such element declaration:" + elementName, elementDeclaration);
		assertEquals("not an element declaration:" + elementDeclaration, CMNode.ELEMENT_DECLARATION, elementDeclaration.getNodeType());
		
		CMNamedNodeMap attributes = ((CMElementDeclaration) elementDeclaration).getAttributes();
		
		StringBuilder actualNames = new StringBuilder();
		Arrays.sort(attrNames);
		for (int i = 0; i < attrNames.length; i++, actualNames.append('\n')) {
			actualNames.append(attrNames[i]);
			assertNotNull("missing attribute declaration:" + attrNames[i] + " for element: " + elementName, attributes.getNamedItem(attrNames[i]));
		}
		assertEquals("List of attribute names does not match", sortedExpectedNames, actualNames.toString());
		assertEquals("Attributes defined in content model that are not expected by the test for element: " + elementName, attributes.getLength(), attrNames.length);
	}

	private void checkAttrValues(String documentKey, String elementName, String attrName, String[] attrValues) {
		CMDocument document = HTMLCMDocumentFactory.getCMDocument(documentKey);
		CMNode elementDeclaration = document.getElements().getNamedItem(elementName);
		assertEquals("not an element declaration:" + elementDeclaration, CMNode.ELEMENT_DECLARATION, elementDeclaration.getNodeType());
		assertNotNull("missing element declaration:" + elementName, elementDeclaration);
		
		CMNamedNodeMap attributes = ((CMElementDeclaration) elementDeclaration).getAttributes();
		final CMNode node = attributes.getNamedItem(attrName);
		assertNotNull("No attribute [" + attrName + "]", node);
		final String[] actualValues = ((HTMLAttributeDeclaration) node).getAttrType().getEnumeratedValues();
		
		assertEquals(attrValues.length, actualValues.length);
		Set valueSet = new HashSet(actualValues.length);
		for (int i = 0; i < actualValues.length; i++) {
			valueSet.add(actualValues[i]);
		}

		for (int i = 0; i < attrValues.length; i++) {
			if (!valueSet.remove(attrValues[i]))
				fail("Type did not contain attribute value [" + attrValues[i] +"]");
		}
		assertTrue("Type had unexpected attribute values", valueSet.isEmpty());
	}

	private void checkDocument(Object documentKey) {
		CMDocument document = HTMLCMDocumentFactory.getCMDocument(documentKey.toString());
		assertNotNull("missing doc:" + documentKey.toString(), document);
		CMNamedNodeMap elements = document.getElements();
		for (int i = 0; i < elements.getLength(); i++) {
			CMNode item = elements.item(i);
			assertNotNull(documentKey + " contained a null element declaration at index " + i, item);
			verifyElementDeclarationHasName(item);
		}
	}

	private String[] getMergedlist(String[] list1, String[] list2){
		
		String[] mergerList = new String[list1.length + list2.length];
		System.arraycopy(list1, 0, mergerList, 0, list1.length);
		System.arraycopy(list2, 0, mergerList, list1.length, list2.length);

		return mergerList;
		
	}
	
	private String[] getGlobalList(){
		return getMergedlist(HTML5AttributeCollection.getGlobalAttributeList(), HTML5AttributeCollection.getGlobalEventList());
	}
	
	public void testAttributesOnHTML5Article() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.ARTICLE, getGlobalList());
	}
	
	public void testAttributesOnHTML5Aside() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.ASIDE, getGlobalList());
	}
/*	
	public void testAttributesOnHTML5Audio() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.AUDIO, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_SRC, HTML50Namespace.ATTR_NAME_PRELOAD, HTML50Namespace.ATTR_NAME_AUTOPLAY,
			HTML50Namespace.ATTR_NAME_LOOP, HTML50Namespace.ATTR_NAME_CONTROLS}));
	}
*/
	public void testAttributesOnHTML5Canvas() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.CANVAS, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_HEIGHT, HTML40Namespace.ATTR_NAME_WIDTH}));
		
	}
	
	public void testAttributesOnHTML5Command() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.COMMAND, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_TYPE, HTML40Namespace.ATTR_NAME_LABEL, HTML50Namespace.ATTR_NAME_ICON,
			HTML40Namespace.ATTR_NAME_DISABLED, HTML40Namespace.ATTR_NAME_CHECKED, HTML50Namespace.ATTR_NAME_RADIOGROUP}));
		
	}
	
	public void testAttributesOnHTML5Datalist() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.DATALIST, getGlobalList());
	}
	
	public void testAttributesOnHTML5Details() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.DETAILS, getMergedlist(getGlobalList(), 
				new String[]{HTML50Namespace.ATTR_NAME_OPEN}));
	
	}
	
	public void testAttributesOnHTML5Figure() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.FIGURE, getGlobalList());
	}
	
	public void testAttributesOnHTML5FigCaption() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.FIGCAPTION, getGlobalList());
	}
	
	public void testAttributesOnHTML5Header() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.HEADER, getGlobalList());
	}
	
	public void testAttributesOnHTML5HGroup() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.HGROUP, getGlobalList());
	}
	
	public void testAttributesOnHTML5Keygen() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.KEYGEN, getMergedlist(getGlobalList(), 
				new String[]{HTML50Namespace.ATTR_NAME_CHALLENGE, HTML40Namespace.ATTR_NAME_DISABLED,
				HTML50Namespace.ATTR_NAME_FORM, HTML50Namespace.ATTR_NAME_KEYTYPE, HTML40Namespace.ATTR_NAME_NAME}),
				"accesskey\nautocapitalize\nautofocus\nchallenge\nclass\ncontenteditable\ncontextmenu\ndir\ndisabled\ndraggable\ndropzone\nenterkeyhint\nform\nhidden\nid\ninputmode\nis\nitemid\nitemprop\nitemref\nitemscope\nitemtype\nkeytype\nlang\nname\nnonce\nonabort\nonblur\noncancel\noncanplay\noncanplaythrough\nonchange\nonclick\nonclose\noncontextmenu\noncuechange\nondblclick\nondrag\nondragend\nondragenter\nondragexit\nondragleave\nondragover\nondragstart\nondrop\nondurationchange\nonemptied\nonended\nonerror\nonfocus\nonformchange\nonforminput\noninput\noninvalid\nonkeydown\nonkeypress\nonkeyup\nonload\nonloadeddata\nonloadedmetadata\nonloadstart\nonmousedown\nonmouseenter\nonmouseleave\nonmousemove\nonmouseout\nonmouseover\nonmouseup\nonmousewheel\nonpause\nonplay\nonplaying\nonprogress\nonratechange\nonreadystatechange\nonreset\nonresize\nonscroll\nonseeked\nonseeking\nonselect\nonshow\nonstalled\nonsubmit\nonsuspend\nontimeupdate\nontoggle\nonvolumechange\nonvolumeupdate\nonwaiting\nrole\nslot\nspellcheck\nstyle\ntabindex\ntitle\ntranslate\n");
	
	}
	
	public void testAttributesOnHTML5Main() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.MAIN, getGlobalList());
	}
	
	public void testAttributesOnHTML5Mark() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.MARK, getGlobalList());
	}
	
	public void testAttributesOnHTML5Math() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.MATH, getGlobalList());
	}
	
	public void testAttributesOnHTML5Meter() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.METER, getMergedlist(getGlobalList(), 
				new String[]{HTML50Namespace.ATTR_NAME_MAX, HTML50Namespace.ATTR_NAME_MIN, HTML50Namespace.ATTR_NAME_LOW,
				HTML50Namespace.ATTR_NAME_HIGH, HTML50Namespace.ATTR_NAME_OPTIMUM, HTML50Namespace.ATTR_NAME_FORM, HTML40Namespace.ATTR_NAME_VALUE}));
	}
	
	public void testAttributesOnHTML5Nav() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.NAV, getGlobalList());
	}
	
	public void testAttributesOnHTML5Output() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.OUTPUT, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_FOR, HTML50Namespace.ATTR_NAME_FORM, HTML40Namespace.ATTR_NAME_NAME}));
	}
	
	public void testAttributesOnHTML5Progress() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.PROGRESS, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_VALUE, HTML50Namespace.ATTR_NAME_MAX, HTML50Namespace.ATTR_NAME_FORM}));
	}
	
	public void testAttributesOnHTML5RT() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.RT, getGlobalList());
	}
	
	public void testAttributesOnHTML5RP() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.RP, getGlobalList());
	}
	
	public void testAttributesOnHTML5Ruby() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.RUBY, getGlobalList());
	}
	
	public void testAttributesOnHTML5Section() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.SECTION, getGlobalList());
	}
	
	public void testAttributesOnHTML5Source() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.SOURCE, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_SRC, HTML40Namespace.ATTR_NAME_TYPE, HTML40Namespace.ATTR_NAME_MEDIA}));
	}
	
	public void testAttributesOnHTML5Summary() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.SUMMARY, getGlobalList());
	}
	
	public void testAttributesOnHTML5SVG() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.SVG, getGlobalList());
	}

	public void testAttributesOnHTML5Table() {
		checkAttrValues(CMDocType.HTML5_DOC_TYPE, HTML40Namespace.ElementName.TABLE, HTML40Namespace.ATTR_NAME_BORDER, new String[] { "", "1"} );
	}

	public void testAttributesOnHTML5Time() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.TIME, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_DATETIME, HTML50Namespace.ATTR_NAME_PUBDATE}));
	}
/*	
	public void testAttributesOnHTML5Video() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML50Namespace.ElementName.VIDEO, getMergedlist(getGlobalList(), 
				new String[]{HTML40Namespace.ATTR_NAME_SRC, HTML50Namespace.ATTR_NAME_PRELOAD, HTML50Namespace.ATTR_NAME_AUTOPLAY,
				HTML50Namespace.ATTR_NAME_LOOP, HTML50Namespace.ATTR_NAME_CONTROLS, HTML50Namespace.ATTR_NAME_POSTER, HTML40Namespace.ATTR_NAME_HEIGHT, HTML40Namespace.ATTR_NAME_WIDTH}));
	}
*/
	public void testAttributesOnHTML5InputTypes() {
		checkAttrValues(CMDocType.HTML5_DOC_TYPE, HTML40Namespace.ElementName.INPUT, HTML40Namespace.ATTR_NAME_TYPE, 
				new String[]{HTML40Namespace.ATTR_VALUE_TEXT, HTML40Namespace.ATTR_VALUE_PASSWORD, HTML40Namespace.ATTR_VALUE_CHECKBOX, HTML40Namespace.ATTR_VALUE_RADIO, HTML40Namespace.ATTR_VALUE_SUBMIT, HTML40Namespace.ATTR_VALUE_RESET, HTML40Namespace.ATTR_VALUE_FILE, HTML40Namespace.ATTR_VALUE_HIDDEN, HTML40Namespace.ATTR_VALUE_IMAGE, HTML40Namespace.ATTR_VALUE_BUTTON,
				HTML50Namespace.ATTR_VALUE_COLOR, HTML50Namespace.ATTR_VALUE_DATE, HTML50Namespace.ATTR_VALUE_DATETIME, HTML50Namespace.ATTR_VALUE_DATETIME_LOCAL, HTML50Namespace.ATTR_VALUE_EMAIL, HTML50Namespace.ATTR_VALUE_MONTH, HTML50Namespace.ATTR_VALUE_NUMBER_STRING, HTML50Namespace.ATTR_VALUE_RANGE, HTML50Namespace.ATTR_VALUE_SEARCH, HTML50Namespace.ATTR_VALUE_TEL, HTML50Namespace.ATTR_VALUE_TIME,HTML50Namespace.ATTR_VALUE_WEEK,HTML50Namespace.ATTR_VALUE_URL});
	}

	/*
	 * Test Case for Bug #427969 - Names of HTML 5 BODY element events
	 */
	public void testAttributesOnHTML5Body() {
		checkAttrNames(CMDocType.HTML5_DOC_TYPE, HTML40Namespace.ElementName.BODY, 
				getMergedlist(getMergedlist(getGlobalList(), HTML5AttributeCollection.getBodyEventList()),
					new String[] {HTML40Namespace.ATTR_NAME_BGCOLOR, HTML40Namespace.ATTR_NAME_TEXT, HTML40Namespace.ATTR_NAME_LINK, 
						HTML40Namespace.ATTR_NAME_ONLOAD, HTML40Namespace.ATTR_NAME_ONUNLOAD, HTML40Namespace.ATTR_NAME_BACKGROUND, 
						HTML40Namespace.ATTR_NAME_MARGINWIDTH, HTML40Namespace.ATTR_NAME_MARGINHEIGHT, HTML40Namespace.ATTR_NAME_TOPMARGIN, 
						HTML40Namespace.ATTR_NAME_BOTTOMMARGIN, HTML40Namespace.ATTR_NAME_LEFTMARGIN, HTML40Namespace.ATTR_NAME_RIGHTMARGIN}));
	}
	
	/*
	 * Test Case for Bug #427969 - Values of 'translate' attribute.
	 * The attribute is common for all HTML 5 elements, we'll use 'body' element for test.  
	 */
	public void testAttributesOnHTML5BodyTranslate() {
		checkAttrValues(CMDocType.HTML5_DOC_TYPE, HTML40Namespace.ElementName.BODY, HTML50Namespace.ATTR_NAME_TRANSLATE, 
				new String[]{"", HTML40Namespace.ATTR_VALUE_YES, HTML40Namespace.ATTR_VALUE_NO});
	}

	public void testHTML5document() {
		checkDocument(CMDocType.HTML5_DOC_TYPE);
	}
	
	private void verifyAttributeDeclaration(CMElementDeclaration elemDecl, CMNode attr) {
		assertTrue(attr.getNodeType() == CMNode.ATTRIBUTE_DECLARATION);
		assertNotNull("no name on an attribute declaration", attr.getNodeName());
		CMAttributeDeclaration attrDecl = (CMAttributeDeclaration) attr;
		assertNotNull("no attribute 'type' on an attribute declaration " + elemDecl.getNodeName() + "/" + attr.getNodeName(), attrDecl.getAttrType());
	}

	private void verifyElementDeclarationHasName(CMNode item) {
		assertTrue(item.getNodeType() == CMNode.ELEMENT_DECLARATION);
		assertNotNull("no name on an element declaration", item.getNodeName());
		CMNamedNodeMap attrs = ((CMElementDeclaration) item).getAttributes();
		for (int i = 0; i < attrs.getLength(); i++) {
			CMNode attr = attrs.item(i);
			verifyAttributeDeclaration(((CMElementDeclaration) item), attr);
		}
	}
}