/**
 * Copyright (c) 2014, the Railo Company Ltd.
 * Copyright (c) 2015, Lucee Assosication Switzerland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package lucee.runtime.net.proxy;

import java.io.Serializable;

import lucee.commons.lang.StringUtil;

public class ProxyDataImpl implements ProxyData,Serializable {
	
	public static final ProxyData NO_PROXY = new ProxyDataImpl();
	
	private String server;
	private int port=-1;
	private String username;
	private String password;
	

	public ProxyDataImpl(String server, int port, String username, String password) {
		if(!StringUtil.isEmpty(server,true))this.server = server;
		if(port>0)this.port = port;
		if(!StringUtil.isEmpty(username,true))this.username = username;
		if(!StringUtil.isEmpty(password,true))this.password = password;
	}
	public ProxyDataImpl() {}
	
	@Override
	public void release() {
		server=null;
		port=-1;
		username=null;
		password=null;
	}
	
	/**
	 * @return the password
	 */
	@Override
	public String getPassword() {
		return password;
	}
	/**
	 * @param password the password to set
	 */
	@Override
	public void setPassword(String password) {
		this.password = password;
	}
	/**
	 * @return the port
	 */
	@Override
	public int getPort() {
		return port;
	}
	/**
	 * @param port the port to set
	 */
	@Override
	public void setPort(int port) {
		this.port = port;
	}
	/**
	 * @return the server
	 */
	@Override
	public String getServer() {
		return server;
	}
	/**
	 * @param server the server to set
	 */
	@Override
	public void setServer(String server) {
		this.server = server;
	}
	/**
	 * @return the username
	 */
	@Override
	public String getUsername() {
		return username;
	}
	/**
	 * @param username the username to set
	 */
	@Override
	public void setUsername(String username) {
		this.username = username;
	}
	
	@Override
	public boolean equals(Object obj){
		if(obj==this) return true;
		if(!(obj instanceof ProxyData)) return false;
		
		ProxyData other=(ProxyData) obj;
		
		return _eq(other.getServer(),server) && _eq(other.getUsername(),username) && _eq(other.getPassword(),password) && other.getPort()==port;
		
	}
	
	private boolean _eq(String left, String right) {
		if(left==null) return right==null;
		return left.equals(right);
	}
	
	public static boolean isValid(ProxyData pd){
		if(pd==null || pd.equals(NO_PROXY)) return false;
		return true;
	}
	public static boolean hasCredentials(ProxyData data) {
		return StringUtil.isEmpty(data.getUsername(),true);
	}
	public static ProxyData getInstance(String proxyserver, int proxyport, String proxyuser, String proxypassword) {
		if(StringUtil.isEmpty(proxyserver,true)) return null;
		return new ProxyDataImpl(proxyserver,proxyport,proxyuser,proxypassword);
	}
	
	@Override
	public String toString(){
		return "server:"+server+";port:"+port+";user:"+username+";pass:"+password;
	}
}