/*******************************************************************************
 * Copyright (c) 2014 Jeff Martin.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Jeff Martin - initial API and implementation
 ******************************************************************************/
package cuchaz.enigma.convert;

import java.util.Map;

import com.google.common.collect.BiMap;
import com.google.common.collect.Maps;

public class ClassNamer {
	
	public interface SidedClassNamer {
		String getName(String name);
	}
	
	private Map<String,String> m_sourceNames;
	private Map<String,String> m_destNames;
	
	public ClassNamer(BiMap<ClassIdentity,ClassIdentity> mappings) {
		// convert the identity mappings to name maps
		m_sourceNames = Maps.newHashMap();
		m_destNames = Maps.newHashMap();
		int i = 0;
		for (Map.Entry<ClassIdentity,ClassIdentity> entry : mappings.entrySet()) {
			String name = String.format("M%04d", i++);
			m_sourceNames.put(entry.getKey().getClassEntry().getName(), name);
			m_destNames.put(entry.getValue().getClassEntry().getName(), name);
		}
	}
	
	public String getSourceName(String name) {
		return m_sourceNames.get(name);
	}
	
	public String getDestName(String name) {
		return m_destNames.get(name);
	}
	
	public SidedClassNamer getSourceNamer() {
		return new SidedClassNamer() {
			@Override
			public String getName(String name) {
				return getSourceName(name);
			}
		};
	}
	
	public SidedClassNamer getDestNamer() {
		return new SidedClassNamer() {
			@Override
			public String getName(String name) {
				return getDestName(name);
			}
		};
	}
}