package com.sap.furcas.ide.editor.action;

import org.eclipse.jface.action.Action;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;

import com.sap.furcas.ide.editor.CtsActivator;
import com.sap.furcas.ide.editor.DialogsImages;
import com.sap.furcas.ide.editor.document.CtsDocument;

public class CreateTestCaseAction extends Action {

    private CtsDocument document;
    private final Clipboard clipboard;

    public CreateTestCaseAction() {
	super();
	setText("Create TestCase");
	setToolTipText("Create TestCase based on the current editor input and editing history.");
	setImageDescriptor(DialogsImages.imageRegistry.getDescriptor(DialogsImages.CREATE_TEST));

	clipboard = new Clipboard(CtsActivator.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell().getDisplay());
    }

    @Override
    public void run() {
//	assert document instanceof CtsHistoryDocument : "Document not a CtsHistoryDocument";

//	CreateTestCaseDialog diag = CreateTestCaseDialog.createDialog();
//	int result = diag.open();
//	if (result == Window.OK) {
//	    String description = diag.getDescription();
//	    String testCaseName = diag.getName();
//	    SnapshotVersion version = diag.getVersion();
//
//	    CtsHistoryDocument histDocument = (CtsHistoryDocument) document;
//	    DocumentHistory history = histDocument.getDocumentHistory();
//	    
//	    URI srcLri = EcoreUtil.getURI(document.getRootObject());
//
//	    Collection<DocumentEvent> events = history.getHistory(version);
//	    String testCase = null; 
//	    
//	    try {
//		URI documentRootMRI = history.persistSnapshot(testCaseName, version);
//		if (documentRootMRI != null) {
//		    URI copyLRI = documentRootMRI;
//		    testCase = JavaTestCaseBuilder.buildTestCase(srcLri, copyLRI, events, testCaseName, description);
//		} else {
//		    MessageDialog.openWarning(CtsActivator.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell(),
//			    "Cannot create testcase", "Could not persist snapshot. Please consult the error log.");
//		}
//
////	    } catch (PartitionCreatingNotPossibleException e) {
////		String msg = e.getMessage();
////		IStatus status = new Status(IStatus.ERROR, CtsActivator.PLUGIN_ID, IStatus.OK, msg, e);
////		ErrorDialog.openError(CtsActivator.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell(),
////			"Cannot create partition", "Could not create partition with your desired name.", status);
//	    } catch (NoSuchSnapshotException e) {
//		String msg = e.getMessage();
//		msg += " You must save your editor in order to complete the current"
//			+ " editing session and make it persistable." + " (A snapshot can only be peristed once.)";
//		MessageDialog.openWarning(CtsActivator.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell(),
//			"Cannot create testcase", msg);
//	    }
//	    if (testCase == null) {
//		// Always build a testcase operating on the original source (Not on the copy).
//		// Works as a fallback if the copy cannot be persisted.
//		testCase = "// Fallback: Test oparates on the ORIGINAL source \n" +
//			JavaTestCaseBuilder.buildTestCase(srcLri, srcLri, events, testCaseName, description);
//	    }
//	    copyToClipboard(clipboard, testCase);
//	    System.out.println(testCase);
//	}
    }

    private void copyToClipboard(Clipboard clip, String text) {
	TextTransfer textTransfer = TextTransfer.getInstance();
	Transfer[] transfers = new Transfer[] { textTransfer };
	Object[] data = new Object[] { text };
	clip.setContents(data, transfers);
    }

    public void initializeWithDocument(CtsDocument document) {
	this.document = document;
    }

    @Override
    protected void finalize() throws Throwable {
	clipboard.dispose();
	super.finalize();
    }

}