#include <iostream>
#include <fstream>
#include <string>

using namespace std;



bool IsLoggedIn(string un, string pw)
{

	string login_username, login_password;

	//un, pw;

	cout << "Unesite username: "; cin >> login_username;
	cout << "Unesite password: "; cin >> login_password;

	ifstream read("d:\\" + login_username + ".txt");

    string iscitani_us, iscitani_pw;

	getline(read, iscitani_us);
	getline(read, iscitani_pw);

	if (iscitani_us == login_username  &&  iscitani_pw == login_password )
		return true;
	else
	    return false;

}


int main()
{

	int choice;
	cout << "1: Registracija\n2:  Login\nIzbornik: "; cin >> choice;
	if (choice == 1)
	{

		string username, age, password;



		cout << "Izaberite Zeljeni UserName: "; cin >> username;
		cout << "Izaberite Zeljene godine: "; cin >> age;
		cout << "Izaberite Zeljenu Lozinku: "; cin >> password;



		ofstream file;
		file.open("d:\\" + username + ".txt");
		file << username;
		file << endl;
		file << password;
		file.close();

	}
	else if (choice == 2)
	{

		string user, pass;

		cout << "Izaberite Zeljeni UserName: "; cin >> user;
		cout << "Izaberite Zeljenu Lozinku: "; cin >> pass;

		bool status = IsLoggedIn(user, pass);

		if (!status)
		{
			cout << "[ERROR]" << endl;
			system("COLOR 4f");
			system("PAUSE");
			return 1;

		}
		else
		{
			cout << "[USPIJESNO]" << endl;
			system("COLOR 2f");
			system("PAUSE");
			return 0;

		}

	}
}