enum InputMode {
	IntegerInput = 0, StringInput
};


std::string InputValidity(int mode) {

	std::string input;

	//bool invalid = true;

	while (true) {

		std::getline(cin, input);

		switch (mode)
		{
		case IntegerInput:

			int intTest;
			sscanf_s(input.c_str(), "%d\n", &intTest);

			if (intTest >= 2 && intTest <= 4) {
				return input;
			}
			else
			{
				cout << "Invalid input. The number of players must be 2-4.\n";
			}
			break;

		case StringInput:

			std::string strTest = input.substr(input.size() - 4);

			if (strTest == ".txt")
			{
				return input;
			}
			else {
				std::cout << "That input is invalid" << std::endl;
			}
			break;
		}
	}
}

int GetIntInput() {

	cout << "Please input the number of players (2-4): ";
	int returnedVal;
	std::string returnedString = InputValidity(0);
	sscanf_s(returnedString.c_str(), "%d\n", &returnedVal);
	cout << returnedVal << std::endl;

	return returnedVal;
}

std::string GetStrInput() {

	cout << "Please input the name of the board you wish to open (in the format \"<name>.txt\"): ";
	std::string returnedStr = InputValidity(1);
	return returnedStr;
}