/*
    * Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch>
    * and other copyright owners as documented in the project's IP log.
    *
    * This program and the accompanying materials are made available
    * under the terms of the Eclipse Distribution License v1.0 which
    * accompanies this distribution, is reproduced below, and is
    * available at http://www.eclipse.org/org/documents/edl-v10.php
    *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or
   * without modification, are permitted provided that the following
   * conditions are met:
   *
   * - Redistributions of source code must retain the above copyright
   *   notice, this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above
   *   copyright notice, this list of conditions and the following
   *   disclaimer in the documentation and/or other materials provided
   *   with the distribution.
   *
   * - Neither the name of the Eclipse Foundation, Inc. nor the
   *   names of its contributors may be used to endorse or promote
   *   products derived from this software without specific prior
   *   written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package org.eclipse.jgit.transport;
  
  import static org.junit.Assert.assertTrue;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.UncheckedIOException;
  import java.nio.file.Files;
  import java.util.Arrays;
  
  import org.eclipse.jgit.errors.TransportException;
  import org.eclipse.jgit.lib.Constants;
  import org.eclipse.jgit.transport.OpenSshConfig.Host;
  import org.eclipse.jgit.transport.ssh.SshTestBase;
  import org.eclipse.jgit.util.FS;
  import org.junit.experimental.theories.Theories;
  import org.junit.runner.RunWith;
  
  import com.jcraft.jsch.JSch;
  import com.jcraft.jsch.JSchException;
  import com.jcraft.jsch.Session;
  
  @RunWith(Theories.class)
  public class JSchSshTest extends SshTestBase {
  
  	private class TestSshSessionFactory extends JschConfigSessionFactory {
  
  		@Override
  		protected void configure(Host hc, Session session) {
  			// Nothing
  		}
  
  		@Override
  		public synchronized RemoteSession getSession(URIish uri,
  				CredentialsProvider credentialsProvider, FS fs, int tms)
  				throws TransportException {
  			return super.getSession(uri, credentialsProvider, fs, tms);
  		}
  
  		@Override
  		protected JSch createDefaultJSch(FS fs) throws JSchException {
  			JSch defaultJSch = super.createDefaultJSch(fs);
  			if (knownHosts.exists()) {
  				defaultJSch.setKnownHosts(knownHosts.getAbsolutePath());
  			}
  			return defaultJSch;
  		}
  	}
  
  	@Override
  	protected SshSessionFactory createSessionFactory() {
  		return new TestSshSessionFactory();
  	}
  
  	@Override
  	protected void installConfig(String... config) {
  		SshSessionFactory factory = getSessionFactory();
 		assertTrue(factory instanceof JschConfigSessionFactory);
 		JschConfigSessionFactory j = (JschConfigSessionFactory) factory;
 		try {
 			j.setConfig(createConfig(config));
 		} catch (IOException e) {
 			throw new UncheckedIOException(e);
 		}
 	}
 
 	private OpenSshConfig createConfig(String... content) throws IOException {
 		File configFile = new File(sshDir, Constants.CONFIG);
 		if (content != null) {
 			Files.write(configFile.toPath(), Arrays.asList(content));
 		}
 		return new OpenSshConfig(getTemporaryDirectory(), configFile);
 	}
 
 }