/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.xml.tests.encoding.read;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import junit.framework.TestCase;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.content.IContentDescription;
import org.eclipse.wst.sse.core.internal.encoding.NonContentBasedEncodingRules;
import org.eclipse.wst.xml.tests.encoding.TestsPlugin;
import org.eclipse.wst.xml.tests.encoding.util.ProjectUnzipUtility;


public class TestContentDescription extends TestCase {
	//	private final String fileDir = "html/";
	//	private final String fileRoot =
	// "/builds/Workspaces/HeadWorkspace/org.eclipse.wst.xml.tests.encoding/";
	//	private final String fileLocation = fileRoot + fileDir;
	private static final boolean DEBUG = true;
	//private static final boolean DEBUG_TEST_DETAIL = false;
	// needs to be static, since JUnit creates difference instances for each
	// test
	private static boolean fTestProjectInitialized;
	private static final String TEST_PROJECT_NAME = "org.eclipse.encoding.resource.newtests";
	static IProject fTestProject;
	private static int nSetups = 0;

	/**
	 *  
	 */
	public TestContentDescription() {
		super();
		//System.out.println(currentPlatformCharset);
	}

	public static void main(String[] args) {
		//		try {
		//			new TestCodedReader().doAllFiles();
		//		} catch (CoreException e) {
		//			e.printStackTrace();
		//		} catch (IOException e) {
		//			e.printStackTrace();
		//		}
	}

	private static void createProject(IProject project, IPath locationPath, IProgressMonitor monitor) throws CoreException {
		if (monitor == null) {
			monitor = new NullProgressMonitor();
		}
		monitor.beginTask("creating test project", 10);
		// create the project
		try {
			if (!project.exists()) {
				IProjectDescription desc = project.getWorkspace().newProjectDescription(project.getName());
				if (Platform.getLocation().equals(locationPath)) {
					locationPath = null;
				}
				desc.setLocation(locationPath);
				project.create(desc, monitor);
				monitor = null;
			}
			if (!project.isOpen()) {
				project.open(monitor);
				monitor = null;
			}
		}
		finally {
			if (monitor != null) {
				monitor.done();
			}
		}
	}

	private static void getAndCreateProject() throws CoreException {
		//TestsPlugin testsPlugin = (TestsPlugin)
		// Platform.getPlugin("org.eclipse.wst.xml.tests.encoding");
		IWorkspace workspace = TestsPlugin.getWorkspace();
		IWorkspaceRoot root = workspace.getRoot();
		fTestProject = root.getProject(TEST_PROJECT_NAME);
		// this form creates project as "linked" back to 'fileRoot'
		//createProject(testProject, new Path(fileRoot), null);
		createProject(fTestProject, null, null);
		fTestProject.refreshLocal(IResource.DEPTH_INFINITE, null);
		assertTrue(fTestProject.exists());
		//		IContainer dotestFiles = testProject.getFolder("dotestFiles");
		//		assertTrue(dotestFiles.exists());
		//		IResource[] allFolders = dotestFiles.members();
		//		assertNotNull(allFolders);
	}

	protected void setUp() throws Exception {
		super.setUp();
		nSetups++;
		if (!fTestProjectInitialized) {
			getAndCreateProject();
			// unzip files to the root of workspace directory
			String destinationProjectString = fTestProject.getLocation().toOSString();
			String destinationFolder = destinationProjectString + "/";
			// this zip file is sitting in the "root" of test plugin
			File zipFile = TestsPlugin.getTestFile("testfiles.zip");
			ProjectUnzipUtility projUtil = new ProjectUnzipUtility();
			projUtil.unzipAndImport(zipFile, destinationFolder);
			projUtil.initJavaProject(TEST_PROJECT_NAME);
			fTestProject.refreshLocal(IResource.DEPTH_INFINITE, null);
			fTestProjectInitialized = true;
		}
	}

	protected void tearDown() throws Exception {
		super.tearDown();
		nSetups--;
		if (nSetups == 0) {
			if (!DEBUG) {
				//				Display display = PlatformUI.getWorkbench().getDisplay();
				//				display.asyncExec(new Runnable() {
				//					public void run() {
				//						ProjectUnzipUtility projUtil = new ProjectUnzipUtility();
				//						IProject proj = fTestProject;
				//						fTestProject = null;
				//						try {
				//							projUtil.deleteProject(proj);
				//						} catch (Exception e) {
				//							e.printStackTrace();
				//						}
				//					}
				//				});
			}
		}
	}

	protected void doTest(String expectedJavaCharset, String filePath, Class expectedException) throws CoreException, IOException {
		if (expectedJavaCharset != null && expectedJavaCharset.indexOf("UTF-32") > -1) {
			return; //won't try 32 bit right now
		}
		expectedJavaCharset = massageCharset(expectedJavaCharset);
		IFile file = (IFile) fTestProject.findMember(filePath);
		assertNotNull("Error in test case: file not found: " + filePath, file);

		IContentDescription fileContentDescription = file.getContentDescription();
	//	IContentDescription streamContentDescription = Platform.getContentTypeManager().getDescriptionFor(file.getContents(), file.getName(), IContentDescription.ALL);
	//	assertEquals("comparing file and stream contentDescription", fileContentDescription, streamContentDescription);

		assertNotNull("Null content description", fileContentDescription);
		String foundCharset = fileContentDescription.getCharset();
		foundCharset = massageCharset(foundCharset);

		if (expectedJavaCharset == null || expectedJavaCharset.equals("expectPlatformCharset")) {
			String platformDefault = NonContentBasedEncodingRules.useDefaultNameRules(null);
			assertTrue(foundCharset.equals(platformDefault));
		}
		else {
			boolean asExpected = foundCharset.equals(expectedJavaCharset);
			if (!asExpected) {
				InputStream contents = file.getContents(true);
				byte[] rawContents = new byte[1000];
				contents.read(rawContents);
				System.out.println(rawContents);
			}
			assertTrue(foundCharset + " did not equal the expected " + expectedJavaCharset + " (this is a VM dependent test)", asExpected);
		}


	}

	/**
	 * @param foundCharset
	 * @return
	 */
	private String massageCharset(String foundCharset) {
		String result = foundCharset;
		if ("UTF-16LE".equals(foundCharset)) {
			result = "UTF-16";
		}
		else if ("X-UnicodeLittle".equals(foundCharset)) {
			result = "UTF-16";
		}
		else if ("X-UnicodeBig".equals(foundCharset)) {
			result = "UTF-16BE";
		}

		return result;
	}

	public void testFile1() throws CoreException, IOException {
		doTest("expectPlatformCharset", "testfiles/css/emptyFile.css", null);
	}

	public void testFile2() throws CoreException, IOException {
		doTest("EUC-JP", "testfiles/css/encoding_test_eucjp.css", null);
	}

	public void testFile3() throws CoreException, IOException {
		doTest("ISO-2022-JP", "testfiles/css/encoding_test_jis.css", null);
	}

	public void testFile4() throws CoreException, IOException {
		doTest("Shift_JIS", "testfiles/css/encoding_test_sjis.css", null);
	}

	public void testFile5() throws CoreException, IOException {
		doTest("expectPlatformCharset", "testfiles/css/noEncoding.css", null);
	}

	public void testFile6() throws CoreException, IOException {
		doTest("ISO-8859-6", "testfiles/css/nonStandard.css", null);
	}

	public void testFile7() throws CoreException, IOException {
		doTest("ISO-8859-6", "testfiles/css/nonStandardIllFormed.css", null);
	}

	public void testFile8() throws CoreException, IOException {
		doTest("ISO-8859-6", "testfiles/css/nonStandardIllFormed2.css", null);
	}


	public void testFile57() throws CoreException, IOException {
		doTest("expectPlatformCharset", "testfiles/html/EmptyFile.html", null);
	}

	public void testFile58() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/html/IllformedNormalNonDefault.html", null);
	}

	public void testFile59() throws CoreException, IOException {
		doTest("expectPlatformCharset", "testfiles/html/LargeNoEncoding.html", null);
	}

	public void testFile60() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/html/LargeNonDefault.html", null);
	}

	public void testFile61() throws CoreException, IOException {
		doTest("ISO-8859-6", "testfiles/html/MultiNonDefault.html", null);
	}

	public void testFile62() throws CoreException, IOException {
		doTest("expectPlatformCharset", "testfiles/html/NoEncoding.html", null);
	}

	public void testFile63() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/html/noquotes.html", null);
	}

	public void testFile64() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/html/NormalNonDefault.html", null);
	}

	public void testFile65() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/EmptyFile.jsp", null);
	}

	public void testFile66() throws CoreException, IOException {
		doTest("ISO-8859-8", "testfiles/jsp/IllformedNormalNonDefault.jsp", null);
	}

	public void testFile67() throws CoreException, IOException {
		doTest("abc", "testfiles/jsp/inValidEncodingValue.jsp", org.eclipse.wst.sse.core.internal.exceptions.UnsupportedCharsetExceptionWithDetail.class);
	}

	public void testFile68() throws CoreException, IOException {
		doTest("windows-1252", "testfiles/jsp/javaEncodingValue.jsp", null);
	}

	public void testFile69() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/MalformedNoEncoding.jsp", null);
	}

	public void testFile70() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/MalformedNoEncodingXSL.jsp", null);
	}

	public void testFile71() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/noEncoding.jsp", null);
	}

	public void testFile72() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/NoEncodinginXMLDecl.jsp", null);
	}

	public void testFile73() throws CoreException, IOException {
		doTest("ISO-8859-2", "testfiles/jsp/nomalDirectiveCase.jsp", null);
	}

	public void testFile74() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/nomalDirectiveCaseNoEncoding.jsp", null);
	}

	public void testFile75() throws CoreException, IOException {
		doTest("ISO-8859-3", "testfiles/jsp/nomalDirectiveCaseUsingCharset.jsp", null);
	}

	public void testFile76() throws CoreException, IOException {
		doTest("ISO-8859-2", "testfiles/jsp/nomalDirectiveCaseUsingXMLSyntax.jsp", null);
	}

	public void testFile77() throws CoreException, IOException {
		doTest("ISO-8859-8", "testfiles/jsp/NormalNonDefault.jsp", null);
	}

	public void testFile78() throws CoreException, IOException {
		doTest("ISO-8859-8", "testfiles/jsp/NormalNonDefaultWithXMLDecl.jsp", null);
	}

	public void testFile79() throws CoreException, IOException {
		doTest("ISO-8859-7", "testfiles/jsp/NormalPageCaseNonDefault.jsp", null);
	}

	public void testFile80() throws CoreException, IOException {
		doTest("Shift_JIS", "testfiles/jsp/SelColBeanRow12ResultsForm.jsp", null);
	}

	public void testFile81() throws CoreException, IOException {
		doTest("ISO-8859-3", "testfiles/jsp/testBrokenLine.jsp", null);
	}

	public void testFile82() throws CoreException, IOException {
		doTest("testjunk", "testfiles/jsp/testDefaultEncoding.jsp", org.eclipse.wst.sse.core.internal.exceptions.UnsupportedCharsetExceptionWithDetail.class);
	}

	public void testFile83() throws CoreException, IOException {
		doTest("testjunk", "testfiles/jsp/testDefaultEncodingWithJunk.jsp", org.eclipse.wst.sse.core.internal.exceptions.UnsupportedCharsetExceptionWithDetail.class);
	}

	public void testFile84() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/testExtraJunk.jsp", null);
	}

	public void testFile85() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/jsp/testExtraValidStuff.jsp", null);
	}

	public void testFile86() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/jsp/testIllFormed.jsp", null);
	}

	public void testFile87() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/jsp/testIllFormed2.jsp", null);
	}

	public void testFile88() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/testNoEncodingValue.jsp", null);
	}

	public void testFile89() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/testNoPageDirective.jsp", null);
	}

	public void testFile90() throws CoreException, IOException {
		doTest("ISO-8859-2", "testfiles/jsp/testNoPageDirectiveAtFirst.jsp", null);
	}

	public void testFile91() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/jsp/testNoPageDirectiveInLargeFile.jsp", null);
	}

	public void testFile92() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/jsp/testNormalCase.jsp", null);
	}

	public void testFile93() throws CoreException, IOException {
		doTest("UTF-16BE", "testfiles/jsp/testUTF16.jsp", null);
	}

	public void testFile94() throws CoreException, IOException {
		doTest("UTF-16LE", "testfiles/jsp/utf16UnicodeStreamWithNoEncodingInHeader2.jsp", null);
	}

	public void testFile95() throws CoreException, IOException {
		doTest("UTF-16BE", "testfiles/jsp/utf16UnicodeStreamWithNoEncodingInHeaderBE.jsp", null);
	}

	public void testFile96() throws CoreException, IOException {
		doTest("UTF-16BE", "testfiles/jsp/utf16WithJapaneseChars.jsp", null);
	}

	public void testFile97() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/jsp/UTF8With3ByteBOM.jsp", null);
	}

	public void testFile98() throws CoreException, IOException {
		doTest("ISO-8859-8", "testfiles/jsp/WellFormedNormalNonDefault.jsp", null);
	}

	public void testFile99() throws CoreException, IOException {
		doTest("Shift_JIS", "testfiles/regressionTestFiles/defect223365/SelColBeanRow12ResultsForm.jsp", null);
	}

	public void testFile100() throws CoreException, IOException {
		doTest("Shift_JIS", "testfiles/regressionTestFiles/defect223365/SelColBeanRow12ResultsFormB.jsp", null);
	}

	public void testFile101() throws CoreException, IOException {
		doTest("Shift_JIS", "testfiles/regressionTestFiles/defect224293/testshiftjisXmlSyntax.jsp", null);
	}

	public void testFile102() throws CoreException, IOException {
		doTest("Shift_JIS", "testfiles/regressionTestFiles/defect229667/audi.jsp", null);
	}

	public void testFile103() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/EmptyFile.xml", null);
	}

	public void testFile104() throws CoreException, IOException {
		doTest("EUC-JP", "testfiles/xml/eucjp.xml", null);
	}

//	public void testFile105() throws CoreException, IOException {
//		doTest("ISO-8859-1", "testfiles/xml/IllformedNormalNonDefault.xml", null);
//	}
//
//	public void testFile106() throws CoreException, IOException {
//		doTest("UTF-8", "testfiles/xml/MalformedNoEncoding.xml", null);
//	}
//
//	public void testFile107() throws CoreException, IOException {
//		doTest("UTF-8", "testfiles/xml/MalformedNoEncoding.xsl", null);
//	}

	public void testFile108() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/NoEncoding.xml", null);
	}

	public void testFile109() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/xml/NormalNonDefault.xml", null);
	}

	public void testFile110() throws CoreException, IOException {
		doTest("Shift_JIS", "testfiles/xml/shiftjis.xml", null);
	}

	public void testFile111() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/xml/testExtraJunk.xml", null);
	}

	public void testFile112() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testExtraValidStuff.xml", null);
	}

//	public void testFile113() throws CoreException, IOException {
//		doTest("UTF-8", "testfiles/xml/testIllFormed.xml", null);
//	}

	public void testFile114() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testIllFormed2.xml", null);
	}

	public void testFile115() throws CoreException, IOException {
		doTest("UTF-8 standalone=", "testfiles/xml/testIllFormed3.xml", java.nio.charset.IllegalCharsetNameException.class);
	}

	public void testFile116() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testIllFormed4.xml", null);
	}

	public void testFile117() throws CoreException, IOException {
		doTest("ISO-8859-1", "testfiles/xml/testMultiLine.xml", null);
	}

	public void testFile118() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testNoEncodingValue.xml", null);
	}

	public void testFile119() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testNormalCase.xml", null);
	}

	public void testFile120() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testNoXMLDecl.xml", null);
	}

	public void testFile121() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testNoXMLDeclAtFirst.xml", null);
	}

	public void testFile122() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/testNoXMLDeclInLargeFile.xml", null);
	}

//	public void testFile123() throws CoreException, IOException {
//		doTest("UTF-16BE", "testfiles/xml/testUTF16.xml", null);
//	}

	public void testFile124() throws CoreException, IOException {
		doTest("UTF-16LE", "testfiles/xml/UTF16LEAtStartOfLargeFile.xml", null);
	}

	public void testFile125() throws CoreException, IOException {
		doTest("UTF-16LE", "testfiles/xml/utf16UnicodeStreamWithNoEncodingInHeader2.xml", null);
	}

//	public void testFile126() throws CoreException, IOException {
//		doTest("UTF-16BE", "testfiles/xml/utf16UnicodeStreamWithNoEncodingInHeaderBE.xml", null);
//	}

//	public void testFile127() throws CoreException, IOException {
//		doTest("UTF-16BE", "testfiles/xml/utf16WithJapaneseChars.xml", null);
//	}

	public void testFile128() throws CoreException, IOException {
		doTest("UTF-8", "testfiles/xml/UTF8With3ByteBOM.xml", null);
	}

}