/**
 * @param provider      to authenticate when required
 * @param configuration the configuration to get and set the username and
 *                      password
 * @throws SvnClientException
 */
@Inject
public SvnClientJavaHl(ICredentialProvider provider, IConfiguration configuration) throws SvnClientException {
	try {
		if (!SVNClientAdapterFactory.isSVNClientAvailable(JhlClientAdapterFactory.JAVAHL_CLIENT)) {
			JhlClientAdapterFactory.setup();
		}
		client = SVNClientAdapterFactory.createSVNClient(JhlClientAdapterFactory.JAVAHL_CLIENT);
		final String username = configuration.getSvnUsername();
		if (username != null) {
			client.setUsername(username);
		}
		final String password = configuration.getSvnPassword();
		if (password != null) {
			client.setPassword(password);
		}
		client.addPasswordCallback(new SVNPromptUserPassword(provider, configuration, client));
	} catch (SVNClientException | ConfigurationException e) {
		throw new SvnClientException(e);
	}
}
 

private static void startCommitTask(final CommitPanel panel, final CommitTable data, final Context ctx, final File[] rootFiles, final Collection<SvnHook> hooks) {
    final Map<SvnFileNode, CommitOptions> commitFiles = data.getCommitFiles();
    final String message = panel.getCommitMessage();
    SvnModuleConfig.getDefault().setLastCanceledCommitMessage(""); //NOI18N
    org.netbeans.modules.versioning.util.Utils.insert(SvnModuleConfig.getDefault().getPreferences(), RECENT_COMMIT_MESSAGES, message.trim(), 20);

    SVNUrl repository = null;
    try {
        repository = getSvnUrl(ctx);
    } catch (SVNClientException ex) {
        SvnClientExceptionHandler.notifyException(ex, true, true);
    }
    RequestProcessor rp = Subversion.getInstance().getRequestProcessor(repository);
    SvnProgressSupport support = new SvnProgressSupport() {
        @Override
        public void perform() {
            performCommit(message, commitFiles, ctx, rootFiles, this, hooks);
        }
    };
    support.start(rp, repository, org.openide.util.NbBundle.getMessage(CommitAction.class, "LBL_Commit_Progress")); // NOI18N
}
 

public void deleteNotVersionedFolder() throws IOException, SVNClientException {
        // init        
        File folder = new File(wc, "folder2");
        folder.mkdirs();
        assertEquals(SVNStatusKind.UNVERSIONED, getSVNStatus(folder).getTextStatus());

        // delete
        delete(folder);
        
        // test
        assertFalse(folder.exists());
        
        assertEquals(SVNStatusKind.UNVERSIONED, getSVNStatus(folder).getTextStatus());
        assertEquals(FileInformation.STATUS_UNKNOWN, getStatus(folder));
        
//        commit(wc);
    }
 

/**
 * {@inheritDoc}
 */
@Override
public void merge(Path path, URL url, long revision, boolean recursivly, boolean recordOnly)
		throws SvnClientException {
	try {
		final SVNRevisionRange[] revisionRange = new SVNRevisionRange[] {
				new SVNRevisionRange(new Number(revision - 1), new Number(revision)) };
		client.merge(toSVNUrl(url), // SVN URL
				SVNRevision.HEAD, // pegRevision
				revisionRange, // revisions to merge (must be in the form N-1:M)
				path.toFile(), // target local path
				false, // force
				recursivly ? Depth.infinity : Depth.empty, // how deep to traverse into subdirectories
				false, // ignoreAncestry
				false, // dryRun
				recordOnly); // recordOnly
	} catch (MalformedURLException | SVNClientException e) {
		throw new SvnClientException(e);
	}
}
 

/**
 * Checks if the target folder already exists in the repository.
 * If it does exist, user will be asked to confirm the import into the existing folder.
 * @param client
 * @param repositoryFileUrl
 * @return true if the target does not exist or user wishes to import anyway.
 */
private boolean importIntoExisting(SvnClient client, SVNUrl repositoryFileUrl) {
    try {
        ISVNInfo info = client.getInfo(repositoryFileUrl);
        if (info != null) {
            // target folder exists, ask user for confirmation
            final boolean flags[] = {true};
            NotifyDescriptor nd = new NotifyDescriptor(NbBundle.getMessage(ImportStep.class, "MSG_ImportIntoExisting", SvnUtils.decodeToString(repositoryFileUrl)), //NOI18N
                    NbBundle.getMessage(ImportStep.class, "CTL_TargetFolderExists"), NotifyDescriptor.YES_NO_CANCEL_OPTION, //NOI18N
                    NotifyDescriptor.QUESTION_MESSAGE, null, NotifyDescriptor.YES_OPTION);
            if (DialogDisplayer.getDefault().notify(nd) != NotifyDescriptor.YES_OPTION) {
                flags[0] = false;
            }
            return flags[0];
        }
    } catch (SVNClientException ex) {
        // ignore
    }
    return true;
}
 

@Override
public boolean areCollocated(File a, File b) {
    File fra = getTopmostManagedAncestor(a);
    File frb = getTopmostManagedAncestor(b);
    if (fra == null || !fra.equals(frb)) return false;
    try {
        SVNUrl ra = SvnUtils.getRepositoryRootUrl(a);
        if(ra == null) {
            // this might happen. there is either no svn client available or
            // no repository url stored in the metadata (svn < 1.3).
            // one way or another, can't do anything reasonable at this point
            Subversion.LOG.log(Level.WARNING, "areCollocated returning false due to missing repository url for {0} {1}", new Object[] {a, b});
            return false;
        }
        SVNUrl rb = SvnUtils.getRepositoryRootUrl(b);
        SVNUrl rr = SvnUtils.getRepositoryRootUrl(fra);
        return ra.equals(rb) && ra.equals(rr);
    } catch (SVNClientException e) {
        if (!WorkingCopyAttributesCache.getInstance().isSuppressed(e)) {
            Subversion.LOG.log(Level.INFO, null, e);
        }
        Subversion.LOG.log(Level.WARNING, "areCollocated returning false due to catched exception " + a + " " + b);
        // root not found
        return false;
    }
}
 

/**
 * Returns log message for given revision
 * @param client
 * @param file
 * @param revision
 * @return log message
 * @throws org.tigris.subversion.svnclientadapter.SVNClientException
 */
private static ISVNLogMessage getLogMessage (ISVNClientAdapter client, File file, long revision) throws SVNClientException {
    SVNRevision rev = SVNRevision.HEAD;
    ISVNLogMessage log = null;
    try {
        rev = SVNRevision.getRevision(String.valueOf(revision));
    } catch (ParseException ex) {
        Subversion.LOG.log(Level.WARNING, "" + revision, ex);
    }
    if (Subversion.LOG.isLoggable(Level.FINER)) {
        Subversion.LOG.log(Level.FINER, "{0}: getting last commit message for svn hooks", CommitAction.class.getName());
    }
    // log has to be called directly on the file
    final SVNUrl fileRepositoryUrl = SvnUtils.getRepositoryUrl(file);
    ISVNLogMessage[] ls = client.getLogMessages(fileRepositoryUrl, rev, rev);
    if (ls.length > 0) {
        log = ls[0];
    } else {
        Subversion.LOG.log(Level.WARNING, "no logs available for file {0} with repo url {1}", new Object[]{file, fileRepositoryUrl});
    }
    return log;
}
 

private String validateTargetPath(CreateCopy createCopy) {
    String errorText = null;
    try {
        RepositoryFile toRepositoryFile = createCopy.getToRepositoryFile();
        SvnClient client = Subversion.getInstance().getClient(toRepositoryFile.getRepositoryUrl());
        ISVNInfo info = null;
        try {
            info = client.getInfo(toRepositoryFile.getFileUrl());
        } catch (SVNClientException e) {
            if (!SvnClientExceptionHandler.isWrongUrl(e.getMessage())) {
                throw e;
            }
        }
        if (info != null) {
            errorText = NbBundle.getMessage(CreateCopyAction.class, "MSG_CreateCopy_Target_Exists");     // NOI18N
        }
    } catch (SVNClientException ex) {
        errorText = null;
    }
    return errorText;
}
 

public void deleteA_CreateA() throws IOException, SVNClientException {
    
    // init
    File fileA = new File(wc, "A");
    fileA.createNewFile();        
    commit(wc);        
    assertEquals(SVNStatusKind.NORMAL, getSVNStatus(fileA).getTextStatus());        
    
    // delete                
    FileObject fo = FileUtil.toFileObject(fileA);
    fo.delete();

    // test if deleted
    assertFalse(fileA.exists());
    assertEquals(SVNStatusKind.DELETED, getSVNStatus(fileA).getTextStatus());

    // create        
    fo.getParent().createData(fo.getName());       
    
    // test 
    assertTrue(fileA.exists());
    
    assertEquals(SVNStatusKind.NORMAL, getSVNStatus(fileA).getTextStatus());        
    assertEquals(FileInformation.STATUS_VERSIONED_UPTODATE, getStatus(fileA));                
    
}
 

@Override
protected SvnClient getFullWorkingClient() throws SVNClientException {
    String fac = System.getProperty("svnClientAdapterFactory", "javahl");
    boolean resetNeeded = !"javahl".equals(fac); // for javahl setup, there's no need to change anything
    try {
        if (resetNeeded) {
            SvnModuleConfig.getDefault().setPreferredFactoryType("javahl");
            System.setProperty("svnClientAdapterFactory", "javahl");
            SvnClientFactory.resetClient();
        }
        SvnClient c = SvnClientFactory.getInstance().createSvnClient();
        assertTrue(c.toString().contains("JhlClientAdapter"));
        return c;
    } finally {
        if (resetNeeded) {
            SvnModuleConfig.getDefault().setPreferredFactoryType(fac);
            System.setProperty("svnClientAdapterFactory", fac);
            SvnClientFactory.resetClient();
        }
    }
}
 

public void testCommit() throws SVNClientException, IOException {
    File folder = new File(workDir, "testCommitFolder");
    folder.mkdirs();
    TestKit.svnimport(repoDir, folder);

    ISVNStatus s = TestKit.getSVNStatus(folder);
    assertEquals(SVNStatusKind.NORMAL, s.getTextStatus());

    File file = new File(folder, "file");
    file.createNewFile();
    TestKit.add(file);
    s = TestKit.getSVNStatus(file);
    assertEquals(SVNStatusKind.ADDED, s.getTextStatus());

    Subversion.getInstance().versionedFilesChanged();
    SvnUtils.refreshParents(folder);
    Subversion.getInstance().getStatusCache().refreshRecursively(folder);

    org.netbeans.modules.subversion.api.Subversion.commit(new File[] {folder}, "", "", "msg");
    s = TestKit.getSVNStatus(file);
    assertEquals(SVNStatusKind.NORMAL, s.getTextStatus());

}
 

@Override
protected SVNRevision getRevision(Context ctx) {
    File[] roots = ctx.getRootFiles();
    SVNRevision revision = null;
    if(roots == null || roots.length == 0) return null;

    File interestingFile = roots[0];

    final SVNUrl rootUrl;
    final SVNUrl url;

    try {
        rootUrl = SvnUtils.getRepositoryRootUrl(interestingFile);
        url = SvnUtils.getRepositoryUrl(interestingFile);
    } catch (SVNClientException ex) {
        SvnClientExceptionHandler.notifyException(ex, true, true);
        return null;
    }
    
    final RepositoryFile repositoryFile = new RepositoryFile(rootUrl, url, SVNRevision.HEAD);

    final UpdateTo updateTo = new UpdateTo(repositoryFile, Subversion.getInstance().getStatusCache().containsFiles(ctx, FileInformation.STATUS_LOCAL_CHANGE, true));
    if(updateTo.showDialog()) {
        revision = updateTo.getSelectedRevision();
    }
    return revision;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void checkoutEmpty(Path path, URL url) throws SvnClientException {
	Objects.requireNonNull(url);
	checkPath(path);
	try {
		client.checkout(toSVNUrl(url), path.toFile(), SVNRevision.HEAD, Depth.empty, false, false);
	} catch (MalformedURLException | SVNClientException e) {
		throw new SvnClientException(e);
	}
}
 

/**
 * {@inheritDoc}
 */
@Override
public void commit(Path path, String message) throws SvnClientException {
	try {
		client.commit(new File[] { path.toFile() }, message, true);
	} catch (SVNClientException e) {
		throw new SvnClientException(e);
	}
}
 

/**
 * {@inheritDoc}
 */
@Override
public URL getSvnUrl(Path path) throws SvnClientException {
	try {
		final ISVNInfo info = client.getInfoFromWorkingCopy(path.toFile());
		return new URL(info.getUrlString());
	} catch (MalformedURLException | SVNClientException e) {
		throw new SvnClientException(e);
	}
}
 

private SVNUrl getRepositoryUrl (File file) {
    SVNUrl url = null;
    try {
        url = SvnUtils.getRepositoryRootUrl(file);
    } catch (SVNClientException ex) {
        LOG.log(Level.FINE, "getRepositoryUrl: No repository root url found for managed file : [" + file + "]", ex); //NOI18N
        try {
            url = SvnUtils.getRepositoryUrl(file); // try to falback
        } catch (SVNClientException ex1) {
            LOG.log(Level.FINE, "getRepositoryUrl: No repository url found for managed file : [" + file + "]", ex1); //NOI18N
        }
    }
    return url;
}
 

private void readEntry(File file) {
    try {
        entry = SvnUtils.getSingleStatus(Subversion.getInstance().getClient(false), file);
    } catch (SVNClientException e) {
        // at least log the exception
        if (!WorkingCopyAttributesCache.getInstance().isSuppressed(e)) {
            Subversion.LOG.log(Level.INFO, null, e);
        }
    }
}
 

protected void cleanUpRepo() throws SVNClientException, IOException, InterruptedException {
    ISVNClientAdapter client = getFullWorkingClient();
    ISVNDirEntry[] entries = client.getList(repoUrl, SVNRevision.HEAD, false);
    SVNUrl[] urls = new SVNUrl[entries.length];
    for (int i = 0; i < entries.length; i++) {
        urls[i] = repoUrl.appendPath(entries[i].getPath());            
    }        
    cliRemove(urls);
}
 

/**
 * A SVNClientAdapterFactory will be setup, according to the svnClientAdapterFactory property.<br>
 * The CommandlineClientAdapterFactory is default as long no value is set for svnClientAdapterFactory.
 *
 */
private void setup() {
    try {
        exception = null;
        // ping config file copying
        SvnConfigFiles.getInstance();

        String factoryType = getDefaultFactoryType(false);
        
        if (factoryType.trim().equals(FACTORY_TYPE_JAVAHL)) {
            if(setupJavaHl()) {
                return;
            }
            LOG.log(Level.INFO, "JavaHL not available. Falling back on SvnKit.");
            if(setupSvnKit()) {
                return;
            }          
            LOG.log(Level.INFO, "SvnKit not available. Falling back on commandline.");
            setupCommandline();
        } else if(factoryType.trim().equals(FACTORY_TYPE_SVNKIT)) {
            if(setupSvnKit()) {
                return;
            }
            LOG.log(Level.INFO, "SvnKit not available. Falling back on javahl.");
            if(setupJavaHl()) {
                return;
            }
            LOG.log(Level.INFO, "JavaHL not available. Falling back on comandline.");
            setupCommandline();
        } else if(factoryType.trim().equals(FACTORY_TYPE_COMMANDLINE)) {
            setupCommandline();
        } else {              
            throw new SVNClientException("Unknown factory: " + factoryType);
        }
    } catch (SVNClientException e) {
        exception = e;
    }
}
 

private void checkErrors(SvnCommand cmd) throws SVNClientException {
    List<String> errors = cmd.getCmdError();
    if(errors == null || errors.isEmpty()) {
        return;
    }
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < errors.size(); i++) {
        sb.append(errors.get(i));
        if (i < errors.size() - 1) {
            sb.append('\n');
        }
    }
    throw new SVNClientException(sb.toString());
}
 

private void checkVersion() throws SVNClientException {
    CommandlineClient cc = new CommandlineClient();
    try {
        setConfigDir(cc);
        cli16Version = cc.checkSupportedVersion();
    } catch (SVNClientException e) {
        LOG.log(Level.FINE, "checking version", e);
        throw e;
    }
}
 

protected void setupAdapter(ISVNClientAdapter adapter, String username, char[] password, ISVNPromptUserPassword callback) {
    adapter.setUsername(username);
    if(callback != null) {
        adapter.addPasswordCallback(callback);
    } else {
        // do not set password for javahl, it seems that in that case the password is stored permanently in ~/.subversion/auth
        adapter.setPassword(password == null ? "" : new String(password)); //NOI18N
    }
    try {
        File configDir = FileUtil.normalizeFile(new File(SvnConfigFiles.getNBConfigPath()));
        adapter.setConfigDirectory(configDir);
    } catch (SVNClientException ex) {
        SvnClientExceptionHandler.notifyException(ex, false, false);
    }
}
 

private static SvnClient getClient(Context ctx, SvnProgressSupport support) {
    try {
        return Subversion.getInstance().getClient(ctx, support);
    } catch (SVNClientException ex) {
        SvnClientExceptionHandler.notifyException(ex, true, true); // should not hapen
        return null;
    }
}
 

protected RequestProcessor createRequestProcessor(Node[] nodes) {
    SVNUrl repository = null;
    try {
        repository = getSvnUrl(nodes);
    } catch (SVNClientException ex) {
        SvnClientExceptionHandler.notifyException(ex, false, false);
    }        
    return Subversion.getInstance().getRequestProcessor(repository);
}
 

private void exec(SvnCommand cmd) throws SVNClientException {
    try {
        config(cmd);
        cli.exec(cmd);
    } catch (IOException ex) {
        Subversion.LOG.log(Level.FINE, null, ex);
        throw new SVNClientException(ex);
    }
    checkErrors(cmd);
}
 

@Override
protected void performContextAction (Node[] nodes) {
    Context ctx = getContext(nodes);
    final File[] roots = ctx.getRootFiles();
    if (roots == null || roots.length == 0) {
        Subversion.LOG.log(Level.FINE, "No versioned folder in the selected context for {0}", nodes); //NOI18N
        return;
    }

    File root = roots[0];

    SVNUrl repositoryUrl = null;
    try {
        repositoryUrl = SvnUtils.getRepositoryRootUrl(root);
    } catch (SVNClientException ex) {
        SvnClientExceptionHandler.notifyException(ex, true, true);
        return;
    }
    if(repositoryUrl == null) {
        Subversion.LOG.log(Level.WARNING, "Could not retrieve repository root for context file {0}", new Object[]{ root }); //NOI18N
        return;
    }
    SvnShelveChangesSupport supp = new SvnShelveChangesSupport(roots);
    if (supp.prepare("org.netbeans.modules.subversion.ui.shelve.ShelveChangesPanel")) { //NOI18N
        RequestProcessor rp = Subversion.getInstance().getRequestProcessor(repositoryUrl);
        supp.startAsync(rp, repositoryUrl);
    }
}
 

@RandomlyFails
public void testCheckoutLocalLevel() throws MalformedURLException, SVNClientException, IOException {
    FileUtils.deleteRecursively(workDir);
    TestKit.mkdirs(repoDir, "testCheckoutLocalLevelfolder1/folder2/folder3");
    String url = TestUtilities.formatFileURL(repoDir) + "/testCheckoutLocalLevelfolder1/folder2";

    org.netbeans.modules.subversion.api.Subversion.checkoutRepositoryFolder(
            url,
            new String[0],
            workDir,
            username,
            password,
            true,
            false);

    assertTrue(workDir.exists());
    String[] files = workDir.list();
    assertEquals(2, files.length); // one folder + metadata

    String s = null;
    for (String f : files) {
        if(f.equals("folder3")) {
            s = f;
            break;
        }
    }
    assertEquals("folder3", s);
}
 

private void cleanUpRepo() throws SVNClientException {
    ISVNClientAdapter client = getClient();
    ISVNDirEntry[] entries = client.getList(repoUrl, SVNRevision.HEAD, false);
    SVNUrl[] urls = new SVNUrl[entries.length];
    for (int i = 0; i < entries.length; i++) {
        urls[i] = repoUrl.appendPath(entries[i].getPath());            
    }        
    client.remove(urls, "cleanup");
}
 

private void cliRemove(SVNUrl... urls) throws SVNClientException, IOException, InterruptedException {
    for (SVNUrl url : urls) {
        String[] cmd = new String[] {"svn", "remove", url.toString(), "-m", "remove"};
        Process p = Runtime.getRuntime().exec(cmd);
        p.waitFor();
    }
}
 

@Override
public void diff(SVNUrl arg0, SVNRevision arg1, SVNRevision arg2, SVNRevision arg3, File arg4, boolean arg5) throws SVNClientException {
    throw new UnsupportedOperationException("Not supported yet.");
}