#include<iostream>
#include<list>

#include "nlsr.hpp"
#include "nlsr_adjacent.hpp"
#include "nlsr_lsa.hpp"
#include "nlsr_lsdb.hpp"
#include "nlsr_map.hpp"

namespace nlsr {

using namespace std;

ostream&
operator<<(ostream& os, MapEntry& mpe)
{
	os<<"MapEntry: ( Router: "<<mpe.getRouter()<<" Mapping No: ";
	os<<mpe.getMappingNumber()<<" )"<<endl;

	return os;
}

static bool
mapEntryCompareByRouter(MapEntry& mpe1, string& rtrName){
	return mpe1.getRouter()==rtrName;
}

static bool
mapEntryCompareByMappingNo(MapEntry& mpe1, int mappingNo){
	return mpe1.getMappingNumber()==mappingNo;
}

void 
Map::addMapElement(string& rtrName)
{
	MapEntry me(rtrName,mappingIndex);
	if (  addMapElement(me) )
	{
		mappingIndex++;
	}
}

bool 
Map::addMapElement(MapEntry& mpe)
{
	//cout << mpe;
	std::list<MapEntry >::iterator it = std::find_if( rMap.begin(), 
								rMap.end(),	
   								bind(&mapEntryCompareByRouter, _1, mpe.getRouter()));
	if ( it == rMap.end() ){
		rMap.push_back(mpe);
		return true;
	}
	return false;
}

string 
Map::getRouterNameByMappingNo(int mn)
{
	std::list<MapEntry >::iterator it = std::find_if( rMap.begin(), 
								rMap.end(),	
   								bind(&mapEntryCompareByMappingNo, _1, mn));
	if ( it != rMap.end() ){
		return (*it).getRouter();
	}
	return "";
}

int 
Map::getMappingNoByRouterName(string& rName)
{
	std::list<MapEntry >::iterator it = std::find_if( rMap.begin(), 
								rMap.end(),	
   								bind(&mapEntryCompareByRouter, _1, rName));
	if ( it != rMap.end() ){
		return (*it).getMappingNumber();
	}
	return -1;
}

void 
Map::createMapFromAdjLsdb(Nlsr& pnlsr)
{
	std::list<AdjLsa> adjLsdb=pnlsr.getLsdb().getAdjLsdb();
	for( std::list<AdjLsa>::iterator it=adjLsdb.begin(); 
	                                                 it!= adjLsdb.end() ; it++)
	{
		string linkStartRouter=(*it).getOrigRouter();
		addMapElement(linkStartRouter);
		std::list<Adjacent> adl=(*it).getAdl().getAdjList();
		for( std::list<Adjacent>::iterator itAdl=adl.begin(); 
																								itAdl!= adl.end() ; itAdl++)
		{
			string linkEndRouter=(*itAdl).getAdjacentName();
			addMapElement(linkEndRouter);
		}
		
	}
}

void 
Map::resetMap()
{
	rMap.clear();
	mappingIndex=0;
}

ostream&
operator<<(ostream& os, Map& rMap)
{
	os<<"---------------Map----------------------"<<endl;
	std::list< MapEntry > ml=rMap.getMapList();
	for( std::list<MapEntry>::iterator it=ml.begin(); it!= ml.end() ; it++){
		os<< (*it);
	}

	return os;
}

} //namespace nlsr