/*
 * Copyright (C) 2008, Google Inc.
 *
 * 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 Git Development Community 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.spearce.jgit.pgm;

import java.io.File;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.List;

import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.Option;
import org.spearce.jgit.transport.DaemonService;

@Command(common = true, usage = "Export repositories over git://")
class Daemon extends TextBuiltin {
	@Option(name = "--port", metaVar = "PORT", usage = "port number to listen on")
	int port = org.spearce.jgit.transport.Daemon.DEFAULT_PORT;

	@Option(name = "--listen", metaVar = "HOSTNAME", usage = "hostname (or ip) to listen on")
	String host;

	@Option(name = "--timeout", metaVar = "SECONDS", usage = "abort connection if no activity")
	int timeout = -1;

	@Option(name = "--enable", metaVar = "SERVICE", usage = "enable the service in all repositories", multiValued = true)
	final List<String> enable = new ArrayList<String>();

	@Option(name = "--disable", metaVar = "SERVICE", usage = "disable the service in all repositories", multiValued = true)
	final List<String> disable = new ArrayList<String>();

	@Option(name = "--allow-override", metaVar = "SERVICE", usage = "configure the service in daemon.servicename", multiValued = true)
	final List<String> canOverride = new ArrayList<String>();

	@Option(name = "--forbid-override", metaVar = "SERVICE", usage = "configure the service in daemon.servicename", multiValued = true)
	final List<String> forbidOverride = new ArrayList<String>();

	@Option(name = "--export-all", usage = "export without git-daemon-export-ok")
	boolean exportAll;

	@Argument(required = true, metaVar = "DIRECTORY", usage = "directories to export")
	final List<File> directory = new ArrayList<File>();

	@Override
	protected boolean requiresRepository() {
		return false;
	}

	@Override
	protected void run() throws Exception {
		final org.spearce.jgit.transport.Daemon d;

		d = new org.spearce.jgit.transport.Daemon(
				host != null ? new InetSocketAddress(host, port)
						: new InetSocketAddress(port));
		d.setExportAll(exportAll);
		if (0 <= timeout)
			d.setTimeout(timeout);

		for (final String n : enable)
			service(d, n).setEnabled(true);
		for (final String n : disable)
			service(d, n).setEnabled(false);

		for (final String n : canOverride)
			service(d, n).setOverridable(true);
		for (final String n : forbidOverride)
			service(d, n).setOverridable(false);

		for (final File f : directory) {
			out.println("Exporting " + f.getAbsolutePath());
			d.exportDirectory(f);
		}
		d.start();
		out.println("Listening on " + d.getAddress());
	}

	private DaemonService service(final org.spearce.jgit.transport.Daemon d,
			final String n) {
		final DaemonService svc = d.getService(n);
		if (svc == null)
			throw die("Service '" + n + "' not supported");
		return svc;
	}
}