#include <iostream>
#include <fstream>

using namespace std;

class loginManager {
public:
	loginManager() {
		accessGranted = 0;
	}
	void login() {
		cout << "Passwort eingeben. \nUsername:";
		cin >> userNameAttempt;

		userName = getFile("users.txt");
		if (userNameAttempt == userName) {
			cout << "Passwort:";
			cin >> passWordAttempt;

			passWord = getFile("pswds.txt");
			if (passWordAttempt == passWord) {
				cout << "Richtiges password";
				cin.get();
			}
			else {
				cout << "Falsch." << endl;
				login();
			}
		}
		else {
			cout << "Ne." << endl;
			login();
		}
		}
	string getFile(const char* p_fileName){
		string line;
		fstream file;

		file.open(p_fileName, ios::in);
		if (file.is_open())
		{
			getline(file, line);
		}
		file.close();

		return line;
	}

private:
	string passWord = "password123";
	string userName = "user@user";
	string userNameAttempt;
	string passWordAttempt;
	bool accessGranted;
	};

	int main() {
		loginManager loginManagerObj;
		loginManagerObj.login();
}