//
// Assignment 4 - Arrays
//
// Name: Henri Biqiku
//
// Class: C Programming, Fall 2026
//
// Date: Oct 4, 2026
//
// Description: Program which determines overtime and 
// gross pay for a set of employees with outputs sent 
// to standard output (the screen).
//
//********************************************************

#include <stdio.h>

// constants to use
#define SIZE 5           // number of employees to process
#define STD_HOURS 40.0   // normal work week hours before overtime
#define OT_RATE 1.5      // time and half overtime setting

int main()
{
    // Declare variables needed for the program
    // Recommend an array for clock, wage, hours,
    // ... and overtime hours and gross.
    // Recommend arrays also for normal pay and overtime pay                
    // It is OK to pre-fill clock and wage values ... or you can prompt for them

    // unique employee identifier
    long int clockNumber[SIZE] = {98401, 526488, 765349, 34645, 127615};

    float grossPay[SIZE];     // weekly gross pay - normal pay + overtime 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] = {10.6, 9.75, 10.5, 12.25, 8.35}; 

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

    // Process each employee one at a time
    for (i = 0; i < SIZE; i++)
    {
        // Prompt and read in hours worked for employee
        printf("Enter hours worked for employee %ld: ", clockNumber[i]);
        scanf("%f", &hours[i]);

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

            // Calculate normal pay and overtime pay
            normalPay[i] = wageRate[i] * STD_HOURS;
            overtimePay[i] = wageRate[i] * OT_RATE * overtimeHrs[i];
        }
        else // no OT
        {
            overtimeHrs[i] = 0;

            // Calculate normal pay and overtime pay without overtime
            normalPay[i] = wageRate[i] * hours[i];
            overtimePay[i] = 0;
        }

        // Calculate Gross Pay
        grossPay[i] = normalPay[i] + overtimePay[i];
    }

    // Print a nice table header
    printf("\n");
    printf(" Clock #   Wage   Hours   Normal Pay   OT Hours   OT Pay   Gross Pay\n");
    printf("---------------------------------------------------------------------\n");

    // Now that we have all the information in our arrays, we can
    // Access each employee and print to screen or file
    for (i = 0; i < SIZE; i++)
    {
        // Print employee information from your arrays
        printf("%7ld  %6.2f  %5.1f    %8.2f    %6.1f    %7.2f   %8.2f\n",
               clockNumber[i],
               wageRate[i],
               hours[i],
               normalPay[i],
               overtimeHrs[i],
               overtimePay[i],
               grossPay[i]);
    }

    return(0);
}