/*
    * 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 java.util.List;
  
  import org.eclipse.jgit.api.errors.GitAPIException;
  import org.eclipse.jgit.api.errors.JGitInternalException;
  import org.eclipse.jgit.lib.Repository;
  import org.eclipse.jgit.lib.StoredConfig;
  import org.eclipse.jgit.transport.RemoteConfig;
  import org.eclipse.jgit.transport.URIish;
  
  /**
   * Used to change the URL of a 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 RemoteSetUrlCommand extends GitCommand<RemoteConfig> {
  
  	/**
  	 * The available URI types for the remote.
  	 *
  	 * @since 5.3
  	 */
  	public enum UriType {
  		/**
  		 * Fetch URL for the remote.
  		 */
  		FETCH,
  		/**
  		 * Push URL for the remote.
  		 */
  		PUSH
  	}
  
  
  	private String remoteName;
  
  	private URIish remoteUri;
  
  	private UriType type;
  
  	/**
  	 * <p>
  	 * Constructor for RemoteSetUrlCommand.
  	 * </p>
  	 *
  	 * @param repo
  	 *            the {@link org.eclipse.jgit.lib.Repository}
  	 */
  	protected RemoteSetUrlCommand(Repository repo) {
  		super(repo);
  	}
  
  	/**
  	 * The name of the remote to change the URL for.
  	 *
  	 * @param name
  	 *            a remote name
  	 * @deprecated use {@link #setRemoteName} instead
  	 */
  	@Deprecated
  	public void setName(String name) {
  		this.remoteName = name;
  	}
  
  	/**
  	 * The name of the remote to change the URL for.
  	 *
  	 * @param remoteName
  	 *            a remote remoteName
  	 * @return {@code this}
  	 * @since 5.3
  	 */
  	public RemoteSetUrlCommand setRemoteName(String remoteName) {
  		this.remoteName = remoteName;
  		return this;
  	}
  
  	/**
  	 * The new URL for the remote.
  	 *
  	 * @param uri
 	 *            an URL for the remote
 	 * @deprecated use {@link #setRemoteUri} instead
 	 */
 	@Deprecated
 	public void setUri(URIish uri) {
 		this.remoteUri = uri;
 	}
 
 	/**
 	 * The new URL for the remote.
 	 *
 	 * @param remoteUri
 	 *            an URL for the remote
 	 * @return {@code this}
 	 * @since 5.3
 	 */
 	public RemoteSetUrlCommand setRemoteUri(URIish remoteUri) {
 		this.remoteUri = remoteUri;
 		return this;
 	}
 
 	/**
 	 * Whether to change the push URL of the remote instead of the fetch URL.
 	 *
 	 * @param push
 	 *            <code>true</code> to set the push url, <code>false</code> to
 	 *            set the fetch url
 	 * @deprecated use {@link #setUriType} instead
 	 */
 	@Deprecated
 	public void setPush(boolean push) {
 		if (push) {
 			setUriType(UriType.PUSH);
 		} else {
 			setUriType(UriType.FETCH);
 		}
 	}
 
 	/**
 	 * Whether to change the push URL of the remote instead of the fetch URL.
 	 *
 	 * @param type
 	 *            the <code>UriType</code> value to set
 	 * @return {@code this}
 	 * @since 5.3
 	 */
 	public RemoteSetUrlCommand setUriType(UriType type) {
 		this.type = type;
 		return this;
 	}
 
 	/**
 	 * {@inheritDoc}
 	 * <p>
 	 * Executes the {@code remote} 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, remoteName);
 			if (type == UriType.PUSH) {
 				List<URIish> uris = remote.getPushURIs();
 				if (uris.size() > 1) {
 					throw new JGitInternalException(
 							"remote.newtest.pushurl has multiple values"); //$NON-NLS-1$
 				} else if (uris.size() == 1) {
 					remote.removePushURI(uris.get(0));
 				}
 				remote.addPushURI(remoteUri);
 			} else {
 				List<URIish> uris = remote.getURIs();
 				if (uris.size() > 1) {
 					throw new JGitInternalException(
 							"remote.newtest.url has multiple values"); //$NON-NLS-1$
 				} else if (uris.size() == 1) {
 					remote.removeURI(uris.get(0));
 				}
 				remote.addURI(remoteUri);
 			}
 
 			remote.update(config);
 			config.save();
 			return remote;
 		} catch (IOException | URISyntaxException e) {
 			throw new JGitInternalException(e.getMessage(), e);
 		}
 	}
 
 }