#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)
                {       cout <<"Hello Worker \n";
                        in_sys = 2;
                }



                else

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

        }


        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();
                                                                            processorder();
                                        break;
                                }
                        case 2:
                                {
                                        cout << "This choice will allow you to append stock";
                                        cout<<"Press any key to continue....";
                                        ch = _getch();
                                                                            processorder();
                                        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 << "unavailable due to lack of stock";

    }