/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.scm.provider.hg.command.diff;

import java.io.File;

import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmTestCase;
import org.apache.maven.scm.ScmVersion;
import org.apache.maven.scm.provider.ScmProvider;
import org.apache.maven.scm.provider.hg.HgRepoUtils;
import org.apache.maven.scm.repository.ScmRepository;
import org.apache.maven.scm.tck.command.diff.DiffCommandTckTest;
import org.junit.Test;

import static org.apache.maven.scm.provider.hg.HgRepoUtils.HG_COMMAND_LINE;
import static org.junit.Assert.assertTrue;

public class HgDiffCommandTckTest extends DiffCommandTckTest {
    @Override
    public String getScmProviderCommand() {
        return HG_COMMAND_LINE;
    }

    public String getScmUrl() throws Exception {
        return HgRepoUtils.getScmUrl();
    }

    public void initRepo() throws Exception {
        HgRepoUtils.initRepo();
    }

    @Test
    public void testDiffCommand() throws Exception {
        ScmRepository repository = getScmRepository();

        // ----------------------------------------------------------------------
        // Change the files
        // ----------------------------------------------------------------------

        //
        // readme.txt is changed (changed file in the root directory)
        // project.xml is added (added file in the root directory)
        // src/test/resources is untouched (a empty directory is left untouched)
        // src/test/java is untouched (a non empty directory is left untouched)

        // This following test has no meaning to mercurial as mercurial does not track
        // empty directories, only the files contained within
        // See: http://www.selenic.com/mercurial/wiki/index.cgi/FAQ
        // src/test/java/org (a empty directory is added)

        // src/main/java/org/Foo.java (a non empty directory is added)
        //

        // /readme.txt
        ScmTestCase.makeFile(getWorkingCopy(), "/readme.txt", "changed readme.txt");

        // /project.xml
        ScmTestCase.makeFile(getWorkingCopy(), "/project.xml", "changed project.xml");

        addToWorkingTree(getWorkingCopy(), new File("project.xml"), repository);

        // /src/test/java/org
        //		ScmTestCase.makeDirectory(getWorkingCopy(), "/src/test/java/org");
        //
        //		addToWorkingTree(getWorkingCopy(), new File("src/test/java/org"),
        //				repository);

        // /src/main/java/org/Foo.java
        ScmTestCase.makeFile(getWorkingCopy(), "/src/main/java/org/Foo.java");

        //		addToWorkingTree(getWorkingCopy(), new File("src/main/java/org"),
        //				repository);

        // src/main/java/org/Foo.java
        addToWorkingTree(getWorkingCopy(), new File("src/main/java/org/Foo.java"), repository);

        // ----------------------------------------------------------------------
        // Diff the project
        // ----------------------------------------------------------------------

        ScmProvider provider = getScmManager().getProviderByUrl(getScmUrl());
        ScmFileSet fileSet = new ScmFileSet(getWorkingCopy());
        /*DiffScmResult result = */ provider.diff(repository, fileSet, (ScmVersion) null, null);

        //		todo: check asserts
        //		assertNotNull("The command returned a null result.", result);

        //      assertResultIsSuccess(result);

        //      List<ScmFile> changedFiles = result.getChangedFiles();

        //      Map<String, CharSequence> differences = result.getDifferences();

        //		assertEquals("Expected 3 files in the changed files list "
        //				+ changedFiles, 3, changedFiles.size());

        //		assertEquals("Expected 3 files in the differences list " + differences,
        //				3, differences.size());

        //		 ----------------------------------------------------------------------
        //		 Assert the files in the changed files list
        //		 ----------------------------------------------------------------------

        //      Iterator<ScmFile> files = new TreeSet<ScmFile>(changedFiles).iterator();

        //		Check Foo.java
        //      ScmFile file = (ScmFile) files.next();

        //		assertPath("/src/main/java/org/Foo.java", file.getPath());

        //		assertTrue(file.getStatus().isDiff());

        //      String postRangeStr = "+/src/main/java/org/Foo.java\n\\ No newline at end of file\n";
        //      String actualStr = differences.get(file.getPath()).toString();
        //		assertTrue(actualStr.endsWith(postRangeStr));

        //		Check readme.txt
        //  file = (ScmFile) files.next();

        //		assertPath("/readme.txt", file.getPath());

        //		assertTrue(file.getStatus().isDiff());

        //      postRangeStr = "-/readme.txt\n\\ No newline at end of file\n+changed readme.txt\n\\ No newline at end of
        // file\n";
        //      actualStr = differences.get(file.getPath()).toString();
        //		assertTrue(actualStr.endsWith(postRangeStr));

        //		Check project.xml
        //      file = (ScmFile) files.next();

        //		assertPath("/project.xml", file.getPath());

        //      postRangeStr = "+changed project.xml\n\\ No newline at end of file\n";
        //      actualStr = differences.get(file.getPath()).toString();
        //		assertTrue(actualStr.endsWith(postRangeStr));

        //		assertTrue(file.getStatus().isDiff());
        assertTrue(true);
    }
}
