//============================================================================
// Name        : kolokvij3.cpp
// Author      :
// Version     :
// Copyright   : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================

#include <iostream>
#include <exception>
#include <sstream>
using namespace std;

class Mesto{
private:
	string ime;
	int x;
	int y;
public:
	Mesto(string i, int xIn, int yIn){
		ime = i;
		x = xIn;
		y = yIn;
	};
	Mesto(){
		ime = "NULL";
		x = 0;
		y = 0;
	}
	string getime(){
		return this->ime;
	};
};

class myexception: public exception{
private:
	Mesto* mesto1;
	Mesto* mesto2;
	Mesto* mesto3;
	Mesto* mesto4;
public:
	myexception(Mesto* mesto1In,Mesto* mesto2In,Mesto* mesto3In,Mesto* mesto4In){
		mesto1 = mesto1In;
		mesto2 = mesto2In;
		mesto3 = mesto3In;
		mesto4 = mesto4In;
	};
	virtual const char* what() const throw()
	  {
		stringstream string; string << mesto1->getime() << " " << mesto2->getime() << " " << mesto3->getime() << " " << mesto4->getime();
		const char* c = string.str().c_str();
	    return c;
	  }
	};

class Pot{
private:
	double dolzina;
	Mesto* zacetno;
	Mesto* koncno;
public:
	Pot(double d,Mesto* z, Mesto* k){
		dolzina = d;
		zacetno = z;
		koncno = k;
	};
	Pot(){
		dolzina = 0;
		zacetno = new Mesto();
		koncno = new Mesto();
	};

	string toString(){
		stringstream sstring ; sstring << this->dolzina << "km " << this->zacetno->getime() << " " << this->koncno->getime();
		return sstring.str();
	};

	Pot operator+(Pot& a){
		if(this->zacetno->getime() != a.zacetno->getime() && this->zacetno->getime() != a.koncno->getime() && this->koncno->getime() != a.koncno->getime()){
			throw myexception(this->zacetno,a.zacetno,this->koncno,a.koncno);
			Pot p3(0,new Mesto("NULL",0,0),new Mesto("NULL",0,0));
			return p3;
		}
		else if(this->zacetno == a.zacetno){
			Pot p3(this->dolzina + a.dolzina,this->koncno,a.koncno);
			return p3;
		}
		Pot p3(0,new Mesto("NULL",0,0),new Mesto("NULL",0,0));
		return p3;
	};
};

int main() {
	cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!!
	Mesto* ce=new Mesto("Celje",3,1);
	Mesto* mb=new Mesto("Maribor",10,1);
	Mesto* lj=new Mesto("Ljubljana",15,2);
	Mesto* pr=new Mesto("Piran",0,0);
	Pot p1(50,ce,lj);
	Pot p2(60,mb,pr);
	Pot p3;
	try{
	p3 = p1 + p2;
	}
	catch(exception& myexception){
		cout << myexception.what() << endl;
	}
	cout << p3.toString() << endl;
	return 0;
}