#include <iostream>
#include <Windows.h>
#include <string>

using namespace std;

int selector();
int exit();
int exitC = 101010;

int exit()
{

    cout << "Now going to selector" << endl; Sleep(1000);
    system("cls");

    selector();

    return 0;
}


int gradeSystem()
{
    int grade = 0;


    cout << "Input your number grade here." << endl << endl;



    while (100 == 100)
    {



        cin >> grade;

        if (grade == 100)
        {
            cout << "-------------------------------------" << endl;
            cout << "-----You got a perfect score! A+-----" << endl;
            cout << "-------------------------------------\n" << endl;
        }

        else if (grade < 100 && grade >= 90)
            cout << "You got a A. Good job!\n" << endl;

        else if (grade < 90 && grade >= 80)
            cout << "You got a B. Keep up the good work!\n" << endl;

        else if (grade < 80 && grade >= 70)
            cout << "You got a C. Not good, not bad\n" << endl;

        else if (grade < 70 && grade >= 60)
            cout << "You got a D. Better luck next time!\n" << endl;

        else if (grade <= 59)
            cout << "You got a F. Are you even trying?\n" << endl;

        else if (grade == exitC)
            exit();

        else if (grade > 100 || grade < 0)
        {
            cout << "Error!" << endl << endl;

            cout << "Resets in 5s" << endl;
            Sleep(1000);
            cout << "Resets in 4s" << endl;
            Sleep(1000);
            cout << "Resets in 3s" << endl;
            Sleep(1000);
            cout << "Resets in 2s" << endl;
            Sleep(1000);
            cout << "Resets in 1s" << endl;

            system("cls");

            gradeSystem();
        }

        cout << "Resets in 5s" << endl;
        Sleep(1000);
        cout << "Resets in 4s" << endl;
        Sleep(1000);
        cout << "Resets in 3s" << endl;
        Sleep(1000);
        cout << "Resets in 2s" << endl;
        Sleep(1000);
        cout << "Resets in 1s" << endl;



        system("cls");
        cout << "Input your number grade here." << endl << endl;
    }

    return 0;
}



int colaMachine()
{

    int colaChoice;

    cout << "Welcome to the Cola Machine!" << endl << endl;
    cout << "Pick a drink:" << endl;

    cout << "[1] Coke" << endl;
    cout << "[2] Pepsi" << endl;
    cout << "[3] Dr. Pepper" << endl;
    cout << "[4] Sprite" << endl;
    cout << "[5] Root Beer" << endl << endl;

    while (100 == 100)
    {
        cin >> colaChoice;

        if (colaChoice == 1)
            cout << "Here's some Coke!" << endl << endl;

        else if (colaChoice == 2)
            cout << "Here's some Pepsi!" << endl << endl;

        else if (colaChoice == 3)
            cout << "Here's some Dr. Pepper!" << endl << endl;

        else if (colaChoice == 4)
            cout << "Here's some Sprite!" << endl << endl;

        else if (colaChoice == 5)
            cout << "Here's some Root Beer!" << endl << endl;

        else if (colaChoice == exitC)
            exit();

        else if (colaChoice > 5 || colaChoice < 5)
        {
            cout << "Error. Thats not a choice!" << endl << endl;

            cout << "Resets in 5s" << endl;
            Sleep(1000);
            cout << "Resets in 4s" << endl;
            Sleep(1000);
            cout << "Resets in 3s" << endl;
            Sleep(1000);
            cout << "Resets in 2s" << endl;
            Sleep(1000);
            cout << "Resets in 1s" << endl;

            system("cls");

            colaMachine();
        }

        cout << "Resets in 5s" << endl;
        Sleep(1000);
        cout << "Resets in 4s" << endl;
        Sleep(1000);
        cout << "Resets in 3s" << endl;
        Sleep(1000);
        cout << "Resets in 2s" << endl;
        Sleep(1000);
        cout << "Resets in 1s" << endl;

        system("cls");

        colaMachine();


    }
    return 0;
}

int selector()
{

    int choiceA;


    cout << "Which program would you like to visit? - - - - - - - - - - You can type 101010 at any time to return to this menu." << endl << endl;

    cout << "[1] Grading System" << endl;
    cout << "[2] Cola Machine" << endl << endl;

    cin >> choiceA;

    if (choiceA == 1)
    {
        system("cls");

        gradeSystem();
    }


    else if (choiceA > 2)
    {
        cout << "Error!" << endl;

        cout << "Resets in 5s" << endl;
        Sleep(1000);
        cout << "Resets in 4s" << endl;
        Sleep(1000);
        cout << "Resets in 3s" << endl;
        Sleep(1000);
        cout << "Resets in 2s" << endl;
        Sleep(1000);
        cout << "Resets in 1s" << endl;

        system("cls");

        selector();

    }

    else if (choiceA == 2)
    {


        system("cls");
        colaMachine();
    }
    return 0;

}




int main()
{

    selector();

    return 0;
}