#include <iostream>
    #include <fstream>
    #include <conio.h>
    #include <string>
    #include <windows.h>

    using namespace std;

    const int quit = 7;
    const int MAX = 3;

    struct tm *Sys_T = NULL;

    //set up record structure
    struct coffeerec
    {
            string beans;
            int num_in_stock;
            string date_purchased;
    };

    typedef coffeerec coffeeArrayType[3];
    coffeeArrayType coffee;


    string uname, password;
    char ch;
    int che;
    int in_sys;
    int choice;
    int amount;
    string datebought;


    void logon();
    void readfile();
    void writefile();
    void managermenu();
    void barristamenu();
    void date();
    void display();
    void processorder();
    void addstock();
    void manager_act_on_choice();
    void barrista_act_on_choice();

    // details of the actual array of records

    void main()
    {
            date();
            logon();
            if (in_sys == 1)
            {
                    while (choice !=4)
                    {
                            managermenu();
                            manager_act_on_choice();
                    }

            }
            else if (in_sys ==2)
            {
                    while (choice !=3)
                    {
                            barristamenu();
                            barrista_act_on_choice();
                    }
            }

    }


    void logon()
    {

            cout << "Enter username: " << "\n";
            cin >> uname;
            cout << "Enter Password: " << "\n";

            ch = _getch();
            while (ch!= 13) // 13 is the enter key
            {

                    password.push_back(ch);
                    cout << "*";
                    ch=_getch();
            }

            if (uname.compare ("manager")==0 && password.compare ("man")==0)
            {
                    cout << " Hello Boss \n";
                    in_sys = 1;




            }
            else if (uname.compare ("barrista")==0 && password.compare ("bar")==0)
            {
                    in_sys = 2;
            }



            else
                    system("pause");
                    cout << "Bah Humbug - Go away";

    }


    void writefile()
    {        ofstream fileout("M:\\coffee.txt",ios::out);

    for (int i =0;i<3;i++)
{
        fileout << coffee[i].beans <<"\t" << coffee[i].num_in_stock  << "\t" << coffee[i].date_purchased << "\n";

}

fileout.close();

    }//end method


    void addstock()
    {
            string beans;
            string date;
        int amount;
        SYSTEMTIME time;
        GetLocalTime( &time );

            ofstream fileout("m:\\coffeeAdd.txt",ios::app);

            cout << "Enter beans to append: \n";
            cin >> beans;
            cout << "Please enter date bought: \n";
            cin >> datebought;
            cout << "Please enter amount: \n";
            cin >> amount;
            fileout << beans << "\t" << datebought << "\t" << amount << "\n";

ofstream outfile("M:\\coffee1.txt",ios::app);
outfile << beans << "\t""\n";
outfile << amount << "\t""\n";
outfile << date << "\t""\n";


   fileout.close();

    }//end method

    void readfile()
    { // open the file from reading into array of records.  Check that the file exists.  Print the contents of the
            //array onto screen.

     int count = 0;

     ifstream filein("m:\\coffee.txt",ios::in);
     if (!filein)
             {
                     cout << "cannot read file";
                    _getch();
                    exit(1);
            }
     else
     {
             for (count = 0;!filein.eof();count++)
             {
                     filein >> coffee[count].beans >> coffee[count].num_in_stock >> coffee[count].date_purchased;
             }
             filein.close();
     }

             //display the file
             for (count=0;count<3;count++)
                     cout << coffee[count].beans << "\t" << coffee[count].num_in_stock << "\t " << coffee[count].date_purchased << "\n";
    }//end of read file method

    void date()
    {
            SYSTEMTIME time;

        GetLocalTime( &time );

            cout << time.wMonth << "/" << time.wDay << "/" << time.wYear << endl;
            cout << time.wHour << ":" << time.wMinute << endl;
    }


    void managermenu()
    {       // screen output given place code araound
                    system("cls");

                    cout << "\t\t MANAGER MENU \n";
                    cout << "____________________________________________________\n";
                    cout << "1. View current stock file\n";
                    cout << "2. Add more stock\n";
                    cout << "3. Barrista menu\n";
                    cout << "4.  to Exit\n";

                    cout << "Enter choice: ";
                    cin >> choice;
    }

    void manager_act_on_choice()
    {
                    switch(choice)
                    {
                    case 1:
                            {
                                    readfile();
                                    cout<<" This seletion will let you preview current stock";
                                    cout<< "Press any key to continue....";
                                    ch = _getch();
                                     system("pause");
                                    break;
                            }
                    case 2:
                            {
                                    addstock();
                                    cout<<"This seletion will let you add new stock";
                                    ch = _getch();
                                     system("pause");
                                    break;
                            }
                    case 3:
                            {
                                    cout << "This seletion will now take you to the Barrista menu";
                                    cout <<"Press enter key to continue....";
                                    ch = _getch();
                                     //system("pause");
                                    barristamenu();
                                    break;
                            }
                    case 4:
                            {
                                    cout << "do you want to exit? (Y/N): ";
                                    do
                                            che = _getche();
                                    while (che != 'y' && che != 'Y');
                             exit(0);
                            }
                    default: cout << "Error - wrong choice:";
                    }//end switch
    }//end of method



    void barristamenu()
    {       // screen output given place code araound

                system("cls");

                    cout << "\t\t BARRISTA MENU \n";
                    cout << "____________________________________________________\n";
                    cout << "1. Make order\n";
                    cout << "2. Update stock file\n";
                    cout << "3.  to Exit (or return to manager menu)\n";


                    cout << "Enter choice: ";
                    cin >> choice;

    }
    void barrista_act_on_choice()
    {
                    switch(choice)
                    {
                    case 1:
                            {
                                    cout << "This choice will allow you to take an order";
                                    cout <<"Press any key to continue....";
                                    ch = _getch();
                                    break;
                            }
                    case 2:
                            {
                                    cout << "This choice will allow you to append stock";
                                    cout<<"Press any key to continue....";
                                    ch = _getch();
                                    break;
                            }

                    case 3:
                            {
                                    cout << "do you want to exit? (Y/N): ";
                                    do
                                            che = _getche();
                                    while (che != 'y' && che != 'Y');
                             exit(0);
                            }
                    default: cout << "Error - wrong choice:";
                    }//end switch
    }//end of method





    void display()
    {       int count = 0;

 ifstream filein("m:\\coffee.txt",ios::in);
 if (!filein)
         {
                 cout << "Can not open file, please try again";
                _getch();
                exit(1);
        }
 else
 {
         for (count = 0;!filein.eof();count++)
         {
                 filein >> coffee[count].beans >> coffee[count].num_in_stock  >> coffee[count].date_purchased;
         }
         filein.close();
 }

         //display the file
         for (count=0;count<3;count++)
        cout << coffee[count].beans << "\t" << coffee[count].num_in_stock << "\t" << coffee[count].date_purchased << "\n";


    }

    void processorder( )
    {
            int beans_choice;
            int beans_pos;
            int coffee_choice;
            int portions;
            string coffee;
            int num_cups;
            int total_portions;

            system("cls");

            cout << "select normal or decaffe" << endl;
            cout << "1. Normal" << endl;
            cout << "2. Decaffe" << endl;
            cout << "Select: ";
            cin >> beans_choice;
            if (beans_choice = 2)
                beans_pos = 2;

    // screen output given place code araound

            cout << "\n\n";
            cout << "Now select cofee type" << endl;
            cout << "1. Americano" << endl;
            cout << "2. Macchiato" << endl;
            cout << "3. Espresso" << endl;
            cout << "4. Double Espresso" << endl;
            cout << "5. Cappuccino" << endl;
            cout << "6. Mocha" << endl;
            cin >> beans_choice;


            cout << "Make selection: ";
            cin >> coffee_choice;

  switch(coffee_choice)
                {
                case 1:
                        portions = 2;
                                if(beans_choice == 1)
                                        beans_pos = 0;
                        break;
                case 2:
                        portions = 2;
                                if(beans_choice == 1)
                                        beans_pos = 1;
                        break;
                case 3:
                portions = 3;
                                if(beans_choice == 1)
                                        beans_pos = 1;
                        break;
                        case 4:
                portions = 6;
                                if(beans_choice == 1)
                                        beans_pos = 0;
                        break;
                        case 5:
                portions = 2;
                                if(beans_choice == 1)
                                        beans_pos = 0;
                        break;
                        case 6:
                portions = 2;
                                if(beans_choice == 1)
                                        beans_pos = 0;
                        break;

                }
                cout << "how many cups: ";
                cin >> num_cups;

total_portions = num_cups * portions;

        if (total_portions <= coffee[beans_pos])
        {
                coffee[beans_pos] = coffee[beans_pos] - total_portions;
                        cout << "order is processed";
}
else
cout << "unavalible due to lack of stock";

}