/*
 * 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.netbeans.test.mercurial.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 *
 * @author peter
 */
public final class RepositoryMaintenance {
    
    public static void deleteFolder(File folder) {
        if (folder.isDirectory()) {
            String[] files = folder.list();
            for (int i = 0; i < files.length; i++) {
                deleteFolder(new File(folder, files[i]));
            }    
        }
        folder.delete();
    }
    
    public static int loadRepositoryFromFile(File repo, String dumpPath){
        int value = -1;
        
        repo.mkdir();
        
        File tmpOutput = new File(repo.getParent() + File.separator + "output.txt");
                
        StreamHandler shError;
        StreamHandler shOutput;
        
        try {
            String[] cmd = {"unzip", "-d", repo.getCanonicalPath(), dumpPath};
            FileOutputStream fos = new FileOutputStream(tmpOutput);
            Process p = Runtime.getRuntime().exec(cmd);
            shError = new StreamHandler(p.getErrorStream(), System.err);
            shOutput = new StreamHandler(p.getInputStream(), fos);
            shError.start();
            shOutput.start();
            value = p.waitFor();
            shError.join();
            shOutput.join();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return value;
    }
    
    public static int updateRepository(File repo) {
        int value = -1;

        String[] cmd = {"hg", "update", "--repository", repo.getAbsolutePath()};

        File tmpOutput = new File(repo.getParent() + File.separator + "output.txt");

        StreamHandler shError;
        StreamHandler shOutput;
        
        try {
            FileOutputStream fos = new FileOutputStream(tmpOutput);
            Process p = Runtime.getRuntime().exec(cmd);
            shError = new StreamHandler(p.getErrorStream(), System.err);
            shOutput = new StreamHandler(p.getInputStream(), fos);
            shError.start();
            shOutput.start();
            value = p.waitFor();
            shError.join();
            shOutput.join();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return value;
    }
         
    public static String changeFileSeparator(String path, boolean backed) {
        String changedPath = "";
        if (!backed) {
            for (int i = 0; i < path.length(); i++) {
                if (path.charAt(i) == '\\') {
                    changedPath += '/';
                } else {
                    changedPath += path.charAt(i); 
                }       
            }
        } else {
            for (int i = 0; i < path.length(); i++) {
                if (path.charAt(i) == '/') {
                    changedPath += '\\' + '\\';
                } else {
                    changedPath += path.charAt(i); 
                }       
            }
        }
        if (changedPath.startsWith("/")) 
            changedPath = changedPath.substring(1);
        return changedPath;
    }
}
