/*
    * Copyright (C) 2009-2010, Google Inc.
    * Copyright (C) 2010, Jens Baumgart <jens.baumgart@sap.com>
    * 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
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  package org.eclipse.jgit.junit.http;
  
  import java.net.URI;
  import java.net.URISyntaxException;
  
  import javax.servlet.http.HttpServletRequest;
  
  import org.eclipse.jetty.servlet.ServletContextHandler;
  import org.eclipse.jetty.servlet.ServletHolder;
  import org.eclipse.jgit.errors.RepositoryNotFoundException;
  import org.eclipse.jgit.http.server.GitServlet;
  import org.eclipse.jgit.lib.Repository;
  import org.eclipse.jgit.transport.URIish;
  import org.eclipse.jgit.transport.resolver.RepositoryResolver;
  import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
  
  /**
   * Simple http server for testing http access to Git repositories.
   * Authentication with hardcoded credentials user:agitter password:letmein.
   */
  public class SimpleHttpServer {
  
  	AppServer server;
  
  	private final Repository db;
  
  	private URIish uri;
  
  	private URIish secureUri;
  
  	/**
  	 * Constructor for <code>SimpleHttpServer</code>.
  	 *
  	 * @param repository
  	 */
  	public SimpleHttpServer(Repository repository) {
  		this(repository, false);
  	}
  
  	/**
  	 * Constructor for <code>SimpleHttpServer</code>.
  	 *
  	 * @param repository
  	 * @param withSsl
  	 */
  	public SimpleHttpServer(Repository repository, boolean withSsl) {
  		this.db = repository;
  		server = new AppServer(0, withSsl ? 0 : -1);
  	}
  
  	/**
  	 * Start the server
  	 *
  	 * @throws Exception
  	 */
  	public void start() throws Exception {
 		ServletContextHandler sBasic = server.authBasic(smart("/sbasic"));
 		server.setUp();
 		final String srcName = db.getDirectory().getName();
 		uri = toURIish(sBasic, srcName);
 		int sslPort = server.getSecurePort();
 		if (sslPort > 0) {
 			secureUri = uri.setPort(sslPort).setScheme("https");
 		}
 	}
 
 	/**
 	 * Stop the server.
 	 *
 	 * @throws Exception
 	 */
 	public void stop() throws Exception {
 		server.tearDown();
 	}
 
 	/**
 	 * Get the <code>uri</code>.
 	 *
 	 * @return the uri
 	 */
 	public URIish getUri() {
 		return uri;
 	}
 
 	/**
 	 * Get the <code>secureUri</code>.
 	 *
 	 * @return the secure uri
 	 */
 	public URIish getSecureUri() {
 		return secureUri;
 	}
 
 	private ServletContextHandler smart(String path) {
 		GitServlet gs = new GitServlet();
 		gs.setRepositoryResolver(new RepositoryResolver<HttpServletRequest>() {
 			@Override
 			public Repository open(HttpServletRequest req, String name)
 					throws RepositoryNotFoundException,
 					ServiceNotEnabledException {
 				if (!name.equals(nameOf(db)))
 					throw new RepositoryNotFoundException(name);
 
 				db.incrementOpen();
 				return db;
 			}
 		});
 
 		ServletContextHandler ctx = server.addContext(path);
 		ctx.addServlet(new ServletHolder(gs), "/*");
 		return ctx;
 	}
 
 	private static String nameOf(Repository db) {
 		return db.getDirectory().getName();
 	}
 
 	private URIish toURIish(String path) throws URISyntaxException {
 		URI u = server.getURI().resolve(path);
 		return new URIish(u.toString());
 	}
 
 	private URIish toURIish(ServletContextHandler app, String name)
 			throws URISyntaxException {
 		String p = app.getContextPath();
 		if (!p.endsWith("/") && !name.startsWith("/"))
 			p += "/";
 		p += name;
 		return toURIish(p);
 	}
 }