/* 11/6/2019
 Problem: given information about 5 Employees, calculate and print pay
 */
import java.util.Scanner;

/** This is version 5a of Payroll. 
  * Use arrays, and we know in advance how many elements
  * will be stored in each array.
  */
public class PayrollV5a {
  
  /** read in: name, ID#, rate, hours
    * multiply rate*hours to get gross pay
    */
  public static void main(String[] args) { 
    final int NUMEMPLOYEES = 5;
    // if I store the data in arrays, it will remain
    // in memory, available for the duration the pgm
    double[] rates = new double[NUMEMPLOYEES];
    double[] hours = new double[NUMEMPLOYEES];
    double[] grossPay = new double[NUMEMPLOYEES];
    double[] netPay = new double[NUMEMPLOYEES];
    String[] names = new String[NUMEMPLOYEES];
    int[] idnums = new int[NUMEMPLOYEES];
    double totalPay=0;
    
    Scanner sc = new Scanner(System.in); // gives us a Scanner object to help read
    int i=0; // i will be used as a counter AND as the array index
    while (i<NUMEMPLOYEES) {
       // prompt the user
       System.out.println("Enter employee's ID number: ");
       idnums[i] = sc.nextInt();
       sc.nextLine(); // skip \n 
       System.out.println("Enter employee's name: ");
       // read in user input
       names[i] = sc.nextLine();
       System.out.println("You entered: " + idnums[i] + " " + names[i]);
       System.out.println("Enter employee's hours and rate: ");
       // read in user input
       hours[i] = sc.nextDouble();
       rates[i] = sc.nextDouble();
       System.out.println("you entered hours: " + hours[i] + " rate: " + rates[i]);
       // if hours>40 give 1.5*rate for all overtime hours
       if (hours[i] > 40) {
         grossPay[i] = (hours[i]-40)*rates[i]*1.5+40*rates[i];
       }
       else {
         grossPay[i] = rates[i] * hours[i];
       }
       // rule for taxes, 25% off if salary is > 1000
       // 15% off otherwise
       double[] taxes = new double[grossPay.length];
       if (grossPay[i] >= 1000) {
         taxes[i] = .25*grossPay[i];
       }
       else {
         taxes[i] = .15*grossPay[i];
       }
       netPay[i] = grossPay[i] - taxes[i];
       totalPay+=netPay[i];
       System.out.println(idnums[i] + " " + names[i] + " grossPay: " + grossPay[i]
                            + " netPay: " + netPay[i]);  
       i++; // increment counter and array index
    } // end while loop
    // fall out of while loop, print count and sum
    System.out.println("We processed " + NUMEMPLOYEES + " employees." +
                        " Total pay is " + totalPay);
    // show that data is still available
    System.out.println("outside of while loop, netPay array: ");
    for (double pay : netPay)
      System.out.println(pay);
    sc.close();
  }
}