package cl.maps.triple;


import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class TripleMap<V, A, B, C> implements ITripleMap<V, A, B, C>{
	
	private Map<TripleKey<A, B, C>, V> map;
	private Map<A, List<TripleKey<A, B, C>>> mapAKey;
	private Map<B, List<TripleKey<A, B, C>>> mapBKey;
	private Map<C, TripleKey<A, B, C>> mapOwnKey;
	
	public TripleMap(){
		this.map  = new HashMap<TripleKey<A, B, C>, V>();
		this.mapAKey = new HashMap<A, List<TripleKey<A, B, C>>>();
		this.mapBKey = new HashMap<B, List<TripleKey<A, B, C>>>();
		this.mapOwnKey = new HashMap<C, TripleKey<A, B, C>>();
	}
	
	public TripleMap(TripleMap<? extends V, A, B, C> m) {
		this.map  = new HashMap<TripleKey<A, B, C>, V>();
		this.mapAKey = new HashMap<A, List<TripleKey<A, B, C>>>();
		this.mapBKey = new HashMap<B, List<TripleKey<A, B, C>>>();
		this.mapOwnKey = new HashMap<C, TripleKey<A, B, C>>();
		this.putAllForCreate(m);
	}

	private void putAllForCreate(TripleMap<? extends V, A, B, C> m) {
		for(Map.Entry<TripleKey<A, B, C>, ? extends V> e : m.entrySet()){
			TripleKey<A, B, C> tKey = e.getKey(); 
			 this.map.put(tKey, e.getValue());
			 this.mapOwnKey.put(tKey.getOwnKey(), tKey);
			 
			 if(!mapAKey.containsKey(tKey.getAKey())){
				 mapAKey.put(tKey.getAKey(), new ArrayList<TripleKey<A, B, C>>());
			 }
			 if(!mapAKey.get(tKey.getAKey()).contains(tKey)){
				 mapAKey.get(tKey.getAKey()).add(tKey);
			 }
			 
			 if(!mapBKey.containsKey(tKey.getBKey())){
				 mapBKey.put(tKey.getBKey(), new ArrayList<TripleKey<A, B, C>>());
			 }
			 if(!mapBKey.get(tKey.getBKey()).contains(tKey)){
				 mapBKey.get(tKey.getBKey()).add(tKey);
			 }
		}
	}
	
	public List<V> getValuesByAKey(A srcKey){
		List<V> list = new ArrayList<V>();
		if(mapAKey.containsKey(srcKey)){
			for(TripleKey<A, B, C> tKey : mapAKey.get(srcKey)){
				list.add(map.get(tKey));
			}
		}
		return list;
	}
	
	public List<V> getValuesByBKey(B tarKey){
		List<V> list = new ArrayList<V>();
		if(mapBKey.containsKey(tarKey)){
			for(TripleKey<A, B, C> tKey : mapBKey.get(tarKey)){
				list.add(map.get(tKey));
			}
		}
		return list;
	}
	
	public V getValuesByOwnKey(C ownKey){
		TripleKey<A, B, C> tKey = mapOwnKey.get(ownKey);
		if(tKey != null){
			return this.map.get(tKey);
		}
		return null;
	}
	
	public Set<TripleKey<A, B, C>> keySet(){
		return this.map.keySet();
	}
	
	public Set<Map.Entry<TripleKey<A, B, C>, V>> entrySet() {
		return this.map.entrySet();
	}	
	
	@Override
	public int size() {
		return this.map.size();
	}

	@Override
	public boolean isEmpty() {
		return this.map.isEmpty();
	}

	@Override
	public boolean containsKey(TripleKey<A, B, C> key) {
		return this.map.containsKey(key);
	}

	@Override
	public boolean containsValue(Object value) {
		return this.map.containsValue(value);
	}

	@Override
	public V get(TripleKey<A, B, C> key) {
		return map.get(key);
	}

	@Override
	public V put(TripleKey<A, B, C> tKey, V value) {
		if(!mapAKey.containsKey(tKey.getAKey())){
			 mapAKey.put(tKey.getAKey(), new ArrayList<TripleKey<A, B, C>>());
		}
		if(!mapAKey.get(tKey.getAKey()).contains(tKey)){
			mapAKey.get(tKey.getAKey()).add(tKey);
		}

		if(!mapBKey.containsKey(tKey.getBKey())){
			mapBKey.put(tKey.getBKey(), new ArrayList<TripleKey<A, B, C>>());
		}
		if(!mapBKey.get(tKey.getBKey()).contains(tKey)){
			mapBKey.get(tKey.getBKey()).add(tKey);
		}
		
		this.mapOwnKey.put(tKey.getOwnKey(), tKey);
		return this.map.put(tKey, value);
	}

	@Override
	public V remove(TripleKey<A, B, C> key) {
		if(mapAKey.containsKey(key.getAKey())){
			mapAKey.get(key.getAKey()).remove(key);
		}
		if(mapBKey.containsKey(key.getBKey())){
			mapBKey.get(key.getBKey()).remove(key);
		}
		this.mapOwnKey.remove(key.getOwnKey());
		
		/*
		int hashCodeInput = key.hashCode();
		System.out.println(hashCodeInput);
		if(map.size() == 1){
			Object uu = new ArrayList<TripleKey<A, B, C>>(map.keySet()).get(0);
			int hashCode2 = uu.hashCode();
			System.out.println(hashCode2);
		}
		*/
		
		return this.map.remove(key);
	}

	@Override
	public void clear() {
		this.map.clear();
		this.mapAKey.clear();
		this.mapBKey.clear();
		this.mapOwnKey.clear();
	}

	@Override
	public Collection<V> values() {
		return this.map.values();
	}
}