/*************************************************************************
 * @author Ali Echihabi (ali_echihabi@ieee.org, ali.echihabi@souss.ca)
 *
 * Plugin for PHP unit Testing.
 * www.phpeclipse.de
 * 
 *************************************************************************/

package net.sourceforge.phpeclipse.phpunit;



import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import net.sourceforge.phpeclipse.phpunit.preferences.PHPUnitPreferencePage;
import net.sourceforge.phpeclipse.phpunit.reporthandling.ConnectionListener;
import net.sourceforge.phpeclipse.phpunit.reporthandling.XMLReportHandler;
import net.sourceforge.phpeclipse.phpunit.testpool.TestCase;
import net.sourceforge.phpeclipse.phpunit.testpool.TestPool;
import net.sourceforge.phpeclipse.phpunit.testpool.TestSuite;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.part.ViewPart;



public class PHPUnitView extends ViewPart {




	/*
	 * like J Unit
	 * a tree.
	 * The first level nodes are the test suites.
	 * children are nested test suites.
	 * leafs: test functions.
	 * hierarchy: package->testsuite1->testcase->test_function
	 */

	private static PHPUnitView view = null;

	private XMLReportHandler handler;
	
	private TestPool testPool;

	//private Button startButton;

	private ProgressInfoComposite progressInfoComposite;
	private ResultsInfoComposite resultsInfoComposite;
	//private SettingsInfoComposite settingsInfoComposite; //TODO: move somewhere else, launcher, wizard or preferences.
	private FileDialog dialog;
	private String testSuiteToRun;


 	private Action selectTestAction;
	private Action startTestAction;


	public PHPUnitView() {
		
		if(view == null)
			view = this;
			
			

	}
	
	public static PHPUnitView getDefault() {
		
		
		return view; 
	}

	public void createPartControl(Composite parent) {

		//parent.setLayout(new FillLayout(SWT.VERTICAL));

		dialog = new FileDialog(parent.getShell());

		GridLayout gridLayout = new GridLayout();
		gridLayout.numColumns = 1;
		
		// set title and layout
		parent.setLayout(gridLayout);		
		

		//Launch ToolBar:
		setActions();

		//Build the progress info Composites		
		progressInfoComposite = new ProgressInfoComposite(parent);
		progressInfoComposite.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING));
		
		
	
		//Build the result info composite
		resultsInfoComposite = new ResultsInfoComposite(parent);
		resultsInfoComposite.setLayoutData(new GridData(GridData.GRAB_VERTICAL | GridData.FILL_BOTH));
		
		//build the settings composite
		//buildSettingsComposite(parent);
		
		//settingsInfoComposite = new SettingsInfoComposite(parent, SWT.NONE);


//		startButton = new Button(parent, SWT.CENTER);
//		startButton.setText("Start Tests");
//		startButton.addMouseListener(new MouseListener() {
//
//			public void mouseDoubleClick(MouseEvent arg0) {
//
//			}
//
//			public void mouseDown(MouseEvent arg0) {
//
//				try {
//					String testFile = settingsInfoComposite.getTestSuite();
//					startTests(testFile);
//				} catch (IOException e) {
//					// TODO Auto-generated catch block
//					e.printStackTrace();
//				}
//
//
//			}
//
//			public void mouseUp(MouseEvent arg0) {
//
//
//			}
//
//		}); // end add action listener.

	}

	/**
	 * @param parent
	 */
	private void buildSettingsComposite(Composite parent) {
		
		
		//settingsInfoComposite = new Group(parent, SWT.NONE);
		//settingsInfoComposite.setText("Settings");
//		settingsInfoComposite.setLayout(new GridLayout(2,false));
//		
//		
//		//the test suite to launch
//		Label testSuiteLabel = new Label(settingsInfoComposite, SWT.NONE);
//		testSuiteLabel.setText("Test suite to run:");
//		//testSuiteLabel.setLayoutData(new GridData())
//		Text testSuiteText = new Text(settingsInfoComposite, SWT.NONE);
//		
//		//the path to php
//		Label phpPathLabel = new Label(settingsInfoComposite, SWT.NONE);
//		phpPathLabel.setText("php Path:");
//		//testSuiteLabel.setLayoutData(new GridData())
//		Text phpPathText = new Text(settingsInfoComposite, SWT.NONE);

	}

	private void setActions() {
		
		final IActionBars actionBars = getViewSite().getActionBars();
		IToolBarManager toolBarManager = actionBars.getToolBarManager();

		selectTestAction = new Action() {
			
			public void run() {
						
				testSuiteToRun = dialog.open();
				startTestAction.setEnabled(true);	
			}
		};
		
		selectTestAction.setText("Select Test Suite");
		selectTestAction.setToolTipText("Select Test Suite");		
		selectTestAction.setImageDescriptor(PHPUnitImages.DESC_SELECT_TEST_SUITE);
		
				
		toolBarManager.add(selectTestAction);
		
		
		startTestAction = new Action() {
		
			public void run() {
				
				
				try {
					if(testSuiteToRun == null || testSuiteToRun == "")
						return;
						
					startTests(testSuiteToRun);
					//setEnabled(false);
					
				} catch (IOException e) {
					
					e.printStackTrace();
				}
					
			}
			
		};
		
		startTestAction.setText("Start Test");
		startTestAction.setToolTipText("Start Test Suite. Select a Test Suite first.");
		startTestAction.setImageDescriptor(PHPUnitImages.DESC_RUN_TEST_SUITE);
 		startTestAction.setEnabled(false);
	
		toolBarManager.add(startTestAction);
	}



	/* (non-Javadoc)
	 * @see org.eclipse.ui.IWorkbenchPart#setFocus()
	 */
	public void setFocus() {
		
	}

	/**
	 * mark the given test as passed in the GUI.
	 * 
	 * @param testID
	 */
	private void markTestPassed(String testID) {

		// testid, use it in hashmap to retrieve tree item of test and
		// change icon color, increment pass counter, etc...

		testPool.getTest(testID).setVerdict(TestCase.PASS);
		

	}


	private void markTestFail(String testID) {
		
		testPool.getTest(testID).setVerdict(TestCase.FAIL);
		
	}



	public void startTests(String testSuite) throws IOException {
		
		//testSuite: the name of the file containing the suite we want to run.
		// we will put that test suite inside a contained that uses our SocketResult.
		
		//reset from previous run
		reset();
		
		
		testSuite = testSuite.replaceAll("\\\\", "/");
		
		System.out.println("new: " +  testSuite);
		
		//where the plugin's temp files should go
		String tempFolder = "C:\\tmp"; 
		String tempFileName = "temTest.php";
		
		//create the file.
		File testFile = new File(tempFolder + "/" + tempFileName);
		BufferedWriter out = new BufferedWriter(new FileWriter(testFile));

		out.write("<?php" + "\n");
		out.write("ob_start();" + "\n");
				
		String path = PHPUnitPlugin.getDefault().getPreferenceStore().getString(PHPUnitPreferencePage.PHPUNIT_PATH);

		
		out.write("$path = \"" + path + "\";" + "\n");
		
		out.write("include_once($path . \"/phpunit_test.php\");" + "\n");
		out.write("include_once $path . \"/socketTestResult.php\";" + "\n");

		//include the test suite that we want to run.
		String testSuiteName = "";
		testSuiteName = testSuite.substring(testSuite.lastIndexOf('/') + 1, testSuite.lastIndexOf('.'));

		out.write("include_once(\"" + testSuite + "\");" + "\n");
		

		out.write("" + "\n");
		out.write("" + "\n");		
		
		out.write("$suite = new TestSuite();" + "\n");
		out.write("$suite->addTest(new TestSuite(\"" + testSuiteName + "\"));" + "\n");
		
	
		out.write("$result = new SocketTestResult();" + "\n");
		out.write("$suite->run($result);" + "\n");
		out.write("$result->report();	" + "\n");

		out.write("" + "\n");
		out.write("" + "\n");
		
		out.write("$output = ob_get_contents();" + "\n");
		out.write("$fileHandle = fopen('c:/tmp/phpOut.txt');" + "\n");
		out.write("fclose($fileHandle);" + "\n");
		
		
		out.write("ob_end();" + "\n");
		out.write("?>" + "\n");
		
		out.flush();
		out.close();
		
		listenForReports();
		
		try {
			Runtime.getRuntime().exec("php.exe " + tempFolder + "/" + tempFileName);
		} catch (Exception e) {
			
			e.printStackTrace();
		}
		
		//testFile.delete();
		
	}

	/**
	 * 
	 */
	private void reset() {
		
		handler = new XMLReportHandler();
		testPool = new TestPool("Ali Baba");
		 
		progressInfoComposite.resetInfo();
		resultsInfoComposite.resetInfo();
		
	}

	/**
	 * 
	 */
	private void listenForReports() {

		ConnectionListener conListener = new ConnectionListener();
		conListener.start(this);

	} //end of method

	/**
	 * handle this report: test passed, faile, end of all.
	 * @param report
	 */
	public void handleReport(String report) {

		//delegate to the XML report handler.		
		handler.handle(report, this);

	}


	/**
	 * @param command
	 * @param testCount
	 * @param testID
	 */
	public void handleCommand(
		String command, String[] args) {
	

		if (command.equals("startAll")) {
		
			 //markTestingStarted(new Integer(testCount).intValue());
			 
			
		} else if (command.equals("testSuiteStarted")) {

			String testID = args[0];
			String testCount = args[1];
			
			//createNewTestSuite("TestSuiteName: " + testID, testID, new Integer(testCount).intValue());
			TestSuite suite = new TestSuite(null, "TestSuiteName: " + testID, testID, new Integer(testCount).intValue());
			testPool.addTestSuite(suite);

		} else if (command.equals("testStarted")) {

			String testID = args[0];
			String testCount = args[1];
			String testName = args[2];
			String parentTestSuiteName = args[3];
			
			testPool.addTest(new TestCase(testID, testName, parentTestSuiteName));			

		} else if (command.equals("testFINISHED")) {

			
			
		} else if (command.equals("endAll")) {

			
		}

		
		update();



	}

	/**
	 * 
	 */
	private void update() {
		
		//progressInfoComposite.updateInfo(numTests, testPool.getNumTestsRun(), numFailures, numErrors);
		progressInfoComposite.updateInfo(testPool);
		resultsInfoComposite.updateInfo(testPool);
		
	}


	/**
	 * @param currentTestID
	 * @param verdict
	 */
	public void setTestVerdict(String currentTestID, String verdict) {

		if (verdict.equals("passed"))
			markTestPassed(currentTestID);
		else
			markTestFail(currentTestID);

	}

	/**
	 * @param currentTestID
	 * @param exception
	 */
	public void addTestException(String currentTestID, String exception) {

		//TODO: decide how to show exceptions. don't show them for now.
		//reportArea.append("   test " + currentTestID + " exception: " + exception + "\n");

	}




} //end of class