/*******************************************************************************
 * Copyright (c) 2006 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.jdt.ui.tests.refactoring;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.Comment;
import org.eclipse.jdt.core.dom.CompilationUnit;

import org.eclipse.jdt.internal.corext.refactoring.code.ReplaceInvocationsRefactoring;
import org.eclipse.jdt.internal.corext.refactoring.util.RefactoringASTParser;

public class ReplaceInvocationsTests extends AbstractSelectionTestCase {
	private static RewriteMethodInvocationsTestSetup fgTestSetup;
	
	public ReplaceInvocationsTests(String name) {
		super(name, true);
	}

	public static Test suite() {
		fgTestSetup= new RewriteMethodInvocationsTestSetup(new TestSuite(ReplaceInvocationsTests.class));
		return fgTestSetup;
	}
	
	public static Test setUpTest(Test someTest) {
		fgTestSetup= new RewriteMethodInvocationsTestSetup(someTest);
		return fgTestSetup;
	}
	
	protected void setUp() throws Exception {
		super.setUp();
		fIsPreDeltaTest= true;
	}
	
	protected String getResourceLocation() {
		return "ReplaceInvocationsWorkspace/ReplaceInvocations/";
	}
	
	protected String adaptName(String name) {
		return Character.toUpperCase(name.charAt(0)) + name.substring(1) + ".java";
	}
	
	private void performTestRewriteInvocations(IPackageFragment packageFragment, String id, int mode, String outputFolder) throws Exception {
		ICompilationUnit unit= createCU(packageFragment, id);
		int[] selection= getSelection();
		
		CompilationUnit compilationUnit= new RefactoringASTParser(AST.JLS3).parse(unit, false);
		Comment comment= (Comment) compilationUnit.getCommentList().get(0);
		String commentString= unit.getBuffer().getText(comment.getStartPosition(), comment.getLength());
		Matcher matcher= Pattern.compile("(?s)/\\*\\s*params:[^\\r\\n&&\\s]*" + "([^\\r\\n]*)" + "(\\r\\n?|\\n)" + "(.+)" + "\\*/").matcher(commentString);
		assertTrue(matcher.find());
		String paramsString= matcher.group(1);
		String[] params= paramsString.length() == 0 ? new String[0] : paramsString.split("[\\s,]+");
		String body= matcher.group(3);
		
		ReplaceInvocationsRefactoring refactoring= new ReplaceInvocationsRefactoring(unit, selection[0], selection[1]);
		refactoring.setBody(body, params);
		
		String out= null;
		switch (mode) {
			case COMPARE_WITH_OUTPUT:
				out= getProofedContent(outputFolder, id);
				break;		
		}
		performTest(unit, refactoring, mode, out, true);
	}

	/* *********************** Rewrite Invocations Tests ******************************* */

	private void performRewriteTest() throws Exception {
		performTestRewriteInvocations(fgTestSetup.getRewritePackage(), getName(), COMPARE_WITH_OUTPUT, "rewrite_out");
	}
	
	public void testSwitchParameters() throws Exception {
		performRewriteTest();
	}

	public void testClassFile() throws Exception {
		performRewriteTest();
	}
	
	public void testMultiple() throws Exception {
		performRewriteTest();
	}
	
}