//********************************************************
//
// Assignment 5 - Functions
//
// Name: Andrea Huskey	
//
// Class: C Programming, Summer 2026
// Date: June 26, 2026
//
// Description: Program which determines overtime and 
// gross pay for a set of employees with outputs sent 
// to standard output (the screen).
//
// All functions are called by value
//
//********************************************************

#include <stdio.h>

// constants
#define SIZE 5
#define OVERTIME_RATE 1.5f
#define STD_WORK_WEEK 40.0f

// function prototypes
float getHours (long int clockNumber);
void printHeader (void);
void printEmp  (long int clockNumber, float wageRate, float hours,
                float overtimeHrs, float normalPay, float overtimePay, float grossPay);

// TODO:  Add other function prototypes here as needed

int main()
{

    /* Variable Declarations */

    long  int clockNumber[SIZE] = {98401,526488,765349,34645,127615}; // ID
    float grossPay[SIZE];     // gross pay = normal pay + ot  pay
    float hours[SIZE];        // hours worked in a given week
    int   i;                  // loop and array index
    float normalPay[SIZE];	  // normal weekly pay without any overtime
    float overtimeHrs[SIZE];  // overtime hours worked in a given week
    float overtimePay[SIZE];   // overtime pay for a given week
    
	//hourly pay for each employee 
    float wageRate[SIZE] = {10.60,9.75,10.50,12.25,8.35}; // hourly wage rate

    // process each employee
    for (i = 0; i < SIZE; ++i)
    {

        // Read in hours for employee
        hours[i] = getHours (clockNumber[i]); 

   // Calculate overtime and gross pay for employee
        if (hours[i] > STD_WORK_WEEK) 
        {
            overtimeHrs[i] = hours[i] - STD_WORK_WEEK;

            // TODO: Function call to calculate gross pay, added normalPay and overtimePay
            normalPay[i] = STD_WORK_WEEK * wageRate[i];
            overtimePay[i] = overtimeHrs[i] * wageRate[i] * OVERTIME_RATE;
        } 
        else // no OT
        {
            overtimeHrs[i] = 0.0f;

            // TODO: Calculate arrays normalPay and overtimePay without overtime
            normalPay[i] = hours[i] * wageRate[i];
            overtimePay[i] = 0.0f;
        }
        
			//Calculate gross pay
			grossPay[i] = normalPay[i] + overtimePay[i];

    }

    // print the header info
    printHeader();

    // print out each employee
    for (i = 0; i < SIZE; ++i)
    {

        // Print all the employees - call by value
        printEmp (clockNumber[i], wageRate[i], hours[i],
                   overtimeHrs[i], normalPay[i], overtimePay[i], grossPay[i]);

    } // for

    return (0);

} // main

//**************************************************************
// Function: getHours 
// 
// Purpose: Obtains input from user, the number of hours worked 
// per employee and stores the result in a local variable 
// that is passed back to the calling function. 
// 
// Parameters: clockNumber - The unique employee ID
// 
// Returns: hoursWorked - hours worked in a given week
//  
//**************************************************************

float getHours (long int clockNumber) 
{ 

    float hoursWorked; // hours worked in a given week

    // Read in hours for employee
    printf("Enter hours worked by emp # %06li: ", clockNumber); 
    scanf ("%f", &hoursWorked); 

    // return hours back to the calling function
    return (hoursWorked);
 
} // getHours

//**************************************************************
// Function: printHeader
// 
// Purpose: Prints the initial table header information.
// 
// Parameters: none
// 
// Returns: void
//  
//**************************************************************

void printHeader (void) 
{ 

    printf ("\n\n*** Pay Calculator ***\n");

    // print the table header
    printf("\n%-8s %-6s %-6s %-5s %-10s %-8s %-8s\n", 
           "Clock#", "Wage", "Hours", "OT", "NormalPay", "OTpay", "Gross");
    printf("------------------------------------------------=========\n");

} // printHeader

//************************************************************* 
// Function: printEmp 
// 
// Purpose: Prints out all the information for an employee
// in a nice and orderly table format.
// 
// Parameters: 
//
//     clockNumber - unique employee ID
//     wageRate - hourly wage rate
//     hours - Hours worked for the week
//     overtimeHrs - overtime hours worked in a week
//     added normalPay - normal weekly pay
//     added overtimePay - overtime pay for the week
//     grossPay - gross pay for the week
// 
// Returns: void
//  
//**************************************************************

void printEmp (long int clockNumber, float wageRate, float hours,
                float overtimeHrs, float normalPay, float overtimePay, float grossPay)
{

    // print the employee
	printf("%06li	 %-6.2f %-6.1f %-5.1f %-10.2f %-8.2f %-8.2f\n",
		clockNumber, wageRate, hours, overtimeHrs, normalPay, overtimePay, grossPay);

}