// assign_problem6.cpp : main project file.

#include "stdafx.h"
#include <iostream>
#include <conio.h>
#include <string>

using namespace System;
using namespace std;

//Prototypes
//Sets up the screen for entering data
void setScreenData(void);
//Sets up the screen for displaying payments
void setScreenPay(void);
//Calculates worker's payments
void calcWorkerPay(double payRate, int hours, double & basicPay, double & overtimePay, double & grossPay,
                   double & hourlyRate, double & timeAndAHalf, double & doubleTime, double totals[]);

int main(array<System::String ^> ^args)
{
    //Declare variables
    string name;
    int hours;
    double payRate = 5.8, basicPay = 0, overtimePay = 0, grossPay = 0, hourlyRate = 0, timeAndAHalf = 0,
        doubleTime = 0, totals[3] = {0};
    char again;

    //Allow to user to enter employee details as many times as they want
    do
    {
        //Set up the screen
        setScreenData();

        //Get the employee's name
        Console::SetCursorPosition(41, 4);
        getline(cin, name);

        //Get the employee's worked hours
        Console::SetCursorPosition(41, 5);
        cin >> hours;

        //Remove the last character (\n) from istream to avoid errors with getline
        cin.ignore();

        //Calculate the employee's pay
        calcWorkerPay(payRate, hours, basicPay, overtimePay, grossPay, hourlyRate, timeAndAHalf,
            doubleTime, totals);

        //Output the results
        Console::SetCursorPosition(41, 10); cout << basicPay;
        Console::SetCursorPosition(41, 12); cout << overtimePay;
        Console::SetCursorPosition(41, 14); cout << grossPay;

        //Ask the user if they would like to move on to the next employee
        Console::SetCursorPosition(20, 24);
        cout << "Next employee? (Y)es / (N)o [_]";

        //Get the user's reply
        Console::SetCursorPosition(49, 24);
        again = getche();

        //Convert again to lowercase
        again = tolower(again);

        //Show an error message and get another character from the user if they
        //enter an invalid option
        while(again != 'n' && again != 'y')
        {
            //Show the error message
            Console::SetCursorPosition(60, 24);
            cout << "Invalid option!";

            //Remove the character the user entered
            Console::SetCursorPosition(49, 24);
            cout << " ]";

            //Get another character from the user
            Console::SetCursorPosition(49, 24);
            again = getche();

            //Convert again to lowercase
            again = tolower(again);

            //Remove the error message
            Console::SetCursorPosition(60, 24);
            cout << "               ";
        }
    }while(again != 'n');

    //Set up the screen
    setScreenPay();

    //Output the totals
    Console::SetCursorPosition(41, 6); cout << totals[0];
    Console::SetCursorPosition(41, 8); cout << totals[1];
    Console::SetCursorPosition(41, 10); cout << totals[2];

    //Wait for a key press before exiting
    getch();
}

void setScreenData(void)
{
    //Clear the screen
    Console::Clear();

    //Display layout
    Console::SetCursorPosition(30, 2); cout << "Worker Payments";

    Console::SetCursorPosition(10, 4); cout << "Name:";
    Console::SetCursorPosition(10, 5); cout << "Hours worked:";

    Console::SetCursorPosition(10, 10); cout << "Basic pay:";
    Console::SetCursorPosition(10, 12); cout << "Overtime pay:";
    Console::SetCursorPosition(10, 14); cout << "Gross pay:";

    Console::SetCursorPosition(40, 4); cout << "[                       ]";
    Console::SetCursorPosition(40, 5); cout << "[   ]";

    Console::SetCursorPosition(40, 10); cout << "[        ]";
    Console::SetCursorPosition(40, 12); cout << "[        ]";
    Console::SetCursorPosition(40, 14); cout << "[        ]";
}

void setScreenPay(void)
{
    //Clear the screen
    Console::Clear();

    //Display layout
    Console::SetCursorPosition(30, 2); cout << "Total payments";

    Console::SetCursorPosition(10, 4); cout << "Rate of pay:";
    Console::SetCursorPosition(40, 4); cout << "Total:";

    Console::SetCursorPosition(10, 6); cout << "Hourly rate";
    Console::SetCursorPosition(10, 8); cout << "Time and a half";
    Console::SetCursorPosition(10, 10); cout << "Double time";

    Console::SetCursorPosition(40, 6); cout << "[        ]";
    Console::SetCursorPosition(40, 8); cout << "[        ]";
    Console::SetCursorPosition(40, 10); cout << "[        ]";

    Console::SetCursorPosition(30, 24);
    cout << "Press any key to exit...";
}

void calcWorkerPay(double payRate, int hours, double & basicPay, double & overtimePay, double & grossPay,
                   double & hourlyRate, double & timeAndAHalf, double & doubleTime, double totals[])
{
    //Calculate the amount of pay for each category of pay rates
    if(hours > 60)
    {
        //Normal pay
        hourlyRate = 35 * payRate;

        //Time and a half
        timeAndAHalf = 25 * (payRate * 1.5);

        //Double time
        doubleTime = (hours - 60) * (payRate * 2);
    }
    else
    {
        if(hours > 35)
        {
            //Normal pay
            hourlyRate = 35 * payRate;

            //Time and a half
            timeAndAHalf = (hours - 35) * (payRate * 1.5);
        }
        else
            //Normal pay
            hourlyRate = hours * payRate;
    }

    //Calcuate basic pay
    basicPay = hourlyRate;

    //Calculate overtime pay
    overtimePay = timeAndAHalf + doubleTime;

    //Calculate gross pay
    grossPay = basicPay + overtimePay;

    //Add worker payments to totals
    totals[0] += hourlyRate;
    totals[1] += timeAndAHalf;
    totals[2] += doubleTime;
}