#include "stdafx.h"
#include <iostream>
#include <string>
#include "stdlib.h"
#include <iomanip>
using namespace std;
void runUsername();
void runPassword();
void mainMenu();
void exit();
void helpMenu();
void exitHelp();


int main() {
	runUsername();
    return 0;
}
void runUsername() {
	string correct_username = "username";
	string username;
	int attempt = 1;
	while (attempt <= 3) {
		cout << "Enter your username to continue: ";
		cin >> username;
		attempt = attempt + 1;
		if (cin.fail()) {
			cin.clear();
			cout << "Input Error. Numeric values only!" << endl;
			runUsername();
		}
		else if (username != correct_username) {
			cout << "Incorrect username. Please Try again." << "\n";
		}
		else
		{
			break;
		}
	}
	if (attempt >= 3) {
		if (username == correct_username) {
			cout << "Access Granted." << endl;
			runPassword();
		}
		else {
			exit(0);
		}
	}
	else {
		cout << "Access Granted." << endl;
		runPassword();
	}
}
void runPassword() {
	string correct_password = "password";
	string password;
	int attempt = 1;
	while (attempt <= 3) {
		cout << "Enter your password to continue: ";
		cin >> password;
		attempt = attempt + 1;
		if (cin.fail()) {
			cin.clear();
			cout << "Input Error. Numeric values only!" << endl;
			runPassword();
		}
		else if (password != correct_password) {
			cout << "Incorrect password combination. Please Try again." << "\n";
		}
		else
		{
			break;
		}
	}
	if (attempt >= 3) {
		if (password == correct_password) {
			cout << "Access Granted." << endl;
			mainMenu();
		}
		else {
			exit(0);
		}
	}
	else {
		cout << "Access Granted." << endl;
		mainMenu();
	}
}
void exit() {
	char choice;
	cout << "\n\n\n" << "Do you want to go back to the main menu? (Y or N): ";
	cin >> choice;
	if (choice == 'Y' || choice == 'y') {
		system("cls");
		mainMenu();
	}
	else if (choice == 'N' || choice == 'n') {
		exit(0);
	}
	else {
		cout << "\n" << "Invalid letter. Only accept Y or N" << "\n";
		exit();
	}
}
void mainMenu() {
	int MainMenuOptions;
	do {
		system("cls");
		for (int i = 0; i < 30; ++i) { cout << "-"; }
		cout << "\n" << "Main Menu";
		cout << "\n" << "";
		cout << "\n" << "1. Help Menu";
		cout << "\n" << "2. Customer Details";
		cout << "\n" << "3. Calculation Details";
		cout << "\n" << "4. Customer Profile";
		cout << "\n" << "";
		cout << "\n" << "0. Exit Program";
		cout << "\n" << "" << endl;
		for (int i = 0; i < 30; ++i) { cout << "-"; }
		cout << "\n" << "Please select an option: ";
		cin >> MainMenuOptions;
		if (cin.fail()) {
			cin.clear();
			cout << "Input Error, Numeric values only." << endl;
			system("pause");
			system("cls");
			mainMenu();
		}
		else {
			switch (MainMenuOptions) {
			case 1:
				helpMenu();
				break;
			case 2:
				customerDetails();
				break;
			case 3:
				cout << "Please die"; //calcDetails();
				break;
			case 4:
				customerProfile();
				break;
			case 0:
				exit();
				break;
			default:
				cout << "\n" << "Invalid Option entered" << "\n";
				system("pause");
				system("cls");
				mainMenu();
				break;
			}
		}
	} while (MainMenuOptions != 1 && MainMenuOptions != 2 && MainMenuOptions != 3 && MainMenuOptions != 0);
}
void helpMenu() {
	int helpMenuOptions;
	do {
		for (int i = 0; i < 32; ++i) { cout << "-"; }
		cout << "\n" << "Help Menu";
		cout << "\n" << "";
		cout << "\n" << "1. Question 1";
		cout << "\n" << "2. Question 2";
		cout << "\n" << "3. Question 3";
		cout << "\n" << "4. Question 4";
		cout << "\n" << "5. Question 5";
		cout << "\n" << "6. Question 6";
		cout << "\n" << "";
		cout << "\n" << "0. Exit Program";
		cout << "\n" << "" << endl;
		for (int i = 0; i < 32; ++i) { cout << "-"; }
		cout << "\n" << "Please select an option: ";
		cin >> helpMenuOptions;
		if (cin.fail()) {
			cin.clear();
			cout << "Input Error, Numeric values only." << endl;
			system("pause");
			system("cls");
			mainMenu();
		}
		else {
			switch (helpMenuOptions) {
			case 1:
				q1(); //change
				break;
			case 2:
				q2(); //change
				break;
			case 3:
				q3(); //change
				break;
			case 4:
				q4(); //change
				break;
			case 5:
				q5(); //change
			case 6:
				q6(); //change
				break;
			case 0:
				exit();
				break;
			default:
				cout << "\n" << "Invalid Option entered" << "\n";
				system("pause");
				system("cls");
				mainMenu();
				break;
			}
		}
	} while (helpMenuOptions != 1 && helpMenuOptions != 2 && helpMenuOptions != 3 && helpMenuOptions != 0);
}
void exitHelp() {
	char choice;
	cout << "\n\n\n" << "Would you like to go back to the help menu? (Y or N): ";
	cin >> choice;
	if (choice == 'Y' || choice == 'y') {
		system("cls");
		helpMenu();
	}
	else if (choice == 'N' || choice == 'n') {
		char choice;
		cout << "\n\n\n" << "Would you like to go back to the main menu? (Y or N)";
		cin >> choice;
		if (choice == 'Y' || choice == 'y') {
			system("cls");
			mainMenu();
		}
		else if (choice == 'N' || choice == 'n') {
			exit(0);
		}
	}
	else {
		cout << "\n" << "Invalid letter. Only accept Y or N" << "\n";
		exit();
	}