/*
    * Copyright (C) 2015, Kaloyan Raev <kaloyan.r@zend.com> and others
    *
    * This program and the accompanying materials are made available under the
    * terms of the Eclipse Distribution License v. 1.0 which is available at
    * https://www.eclipse.org/org/documents/edl-v10.php.
    *
    * SPDX-License-Identifier: BSD-3-Clause
    */
  package org.eclipse.jgit.api;
  
  import java.io.IOException;
  import java.net.URISyntaxException;
  
  import org.eclipse.jgit.api.errors.GitAPIException;
  import org.eclipse.jgit.api.errors.JGitInternalException;
  import org.eclipse.jgit.lib.Constants;
  import org.eclipse.jgit.lib.Repository;
  import org.eclipse.jgit.lib.StoredConfig;
  import org.eclipse.jgit.transport.RefSpec;
  import org.eclipse.jgit.transport.RemoteConfig;
  import org.eclipse.jgit.transport.URIish;
  
  /**
   * Used to add a new remote.
   *
   * This class has setters for all supported options and arguments of this
   * command and a {@link #call()} method to finally execute the command.
   *
   * @see <a href=
   *      "http://www.kernel.org/pub/software/scm/git/docs/git-remote.html" > Git
   *      documentation about Remote</a>
   * @since 4.2
   */
  public class RemoteAddCommand extends GitCommand<RemoteConfig> {
  
  	private String name;
  
  	private URIish uri;
  
  	/**
  	 * Constructor for RemoteAddCommand.
  	 *
  	 * @param repo
  	 *            the {@link org.eclipse.jgit.lib.Repository}
  	 */
  	protected RemoteAddCommand(Repository repo) {
  		super(repo);
  	}
  
  	/**
  	 * The name of the remote to add.
  	 *
  	 * @param name
  	 *            a remote name
  	 * @return this instance
  	 * @since 5.0
  	 */
  	public RemoteAddCommand setName(String name) {
  		this.name = name;
  		return this;
  	}
  
  	/**
  	 * The URL of the repository for the new remote.
  	 *
  	 * @param uri
  	 *            an URL for the remote
  	 * @return this instance
  	 * @since 5.0
  	 */
  	public RemoteAddCommand setUri(URIish uri) {
  		this.uri = uri;
  		return this;
  	}
  
  	/**
  	 * {@inheritDoc}
  	 * <p>
  	 * Executes the {@code remote add} command with all the options and
  	 * parameters collected by the setter methods of this class.
  	 */
  	@Override
  	public RemoteConfig call() throws GitAPIException {
  		checkCallable();
  
  		try {
  			StoredConfig config = repo.getConfig();
  			RemoteConfig remote = new RemoteConfig(config, name);
  
  			RefSpec refSpec = new RefSpec();
  			refSpec = refSpec.setForceUpdate(true);
  			refSpec = refSpec.setSourceDestination(Constants.R_HEADS + "*", //$NON-NLS-1$
  					Constants.R_REMOTES + name + "/*"); //$NON-NLS-1$
  			remote.addFetchRefSpec(refSpec);
  
  			remote.addURI(uri);
  
  			remote.update(config);
 			config.save();
 			return remote;
 		} catch (IOException | URISyntaxException e) {
 			throw new JGitInternalException(e.getMessage(), e);
 		}
 
 	}
 
 }