/*
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.gv.egovernment.moa.id.data;

import java.util.Arrays;
import java.util.List;

import at.gv.egovernment.moa.logging.Logger;
import at.gv.egovernment.moa.util.MiscUtil;

/**
 * @author tlenz
 *
 */
public class AuthenticationRoleFactory {

	public static AuthenticationRole buildFormPVPole(String pvprole) {	
		AuthenticationRole role = null;
		
		int first = pvprole.indexOf("(");
		
		if (first < 0) {
			//no role paramters found
			role = new AuthenticationRole(pvprole.trim(), pvprole.trim());
			Logger.debug("Add authentication role with name=" + pvprole.trim());
			
		} else {
			role = new AuthenticationRole(pvprole.substring(0, first).trim(), pvprole.trim());	
			Logger.debug("Add authentication role with name=" + pvprole.substring(0, first).trim());
			String params = pvprole.substring(first + 1, pvprole.length() - 1);
			
			List<String> param = Arrays.asList(params.split(","));
			String test = new String();
			for (String el : param) {
				if (MiscUtil.isNotEmpty(el)) {
					test = test.concat(el);
					if (!test.endsWith("\\") || 
							(test.endsWith("\\\\") && !test.endsWith("\\\\\\")) ) {
						String[] keyValue = test.split("=");
						if (keyValue.length < 2) {
							role.addParameter(keyValue[0].trim(), "");
							Logger.debug("Add authentication roleparameter with key=" + keyValue[0].trim());
						
						} else {
							role.addParameter(keyValue[0].trim(), keyValue[1].trim());
							Logger.debug("Add authentication roleparameter with key=" + keyValue[0].trim() 
									+ " value=" + keyValue[1].trim());
						
						}
					
						test = new String();
						
					} else { 
						test = test.substring(0, test.length()-1).concat(",");
						
					}
				}
			}			
		}
				
		return role;		
	}
}