/****************************

BS
Assignment 3
Problem 1
What it does: Reads from a file given an employee number and calculates the pay check.

****************************/

import java.io.*;
import java.util.GregorianCalendar;
import java.util.*;

public class Payroll {
    public static void main(String args[]) throws Exception{

	String zero = "0";
	String doubleZero = "00";
	int medicalDeduction = 100;
	int medicalDeductionDependant = 50;

	System.out.print("Employee Number?: ");

	Scanner input = new Scanner(System.in);
	String employeeNumber = input.nextLine();

	String employeeFile = "";

	employeeFile = employeeNumber.length() == 1 ? employeeFile.concat(doubleZero.concat(employeeNumber.concat("-hours.txt"))) : (employeeNumber.length() == 2 ? employeeFile.concat(zero.concat(employeeNumber.concat("-hours.txt"))) : (employeeNumber.length() >= 3 ? employeeFile.concat(employeeNumber.concat("-hours.txt")) : ""));
	Scanner fileInSystem = new Scanner(new File(employeeFile));

	String line = fileInSystem.nextLine();
	Scanner line_1 = new Scanner(line);

	String payPeriod = line_1.next().toString();
	String firstName = line_1.next().toString();
	//String midInit = line_1.next().toString();
	String midInit = "";
	String lastName  = midInit = (line_1.hasNextInt() ? "" : midInit);
	lastName = (line_1.hasNextInt() ? midInit : line_1.next().toString());

	float wage = line_1.nextFloat();
	int dependents  = line_1.nextInt();
	int preTaxAmount  = line_1.nextInt();

	//System.out.println("payPeriod " + payPeriod);
	//System.out.println("firstName " + firstName);
	//System.out.println("lastName " + lastName);
	//System.out.println("wage " + wage);
	//System.out.println("dependents " + dependents);
	//System.out.println("preTaxAmount " + preTaxAmount);

	double hours = 0.0;
	while(fileInSystem.hasNextLine()){
	    String day = fileInSystem.nextLine();
	    Scanner nextLine = new Scanner(day);
	    hours += nextLine.nextFloat();
	}

	//System.out.println("hours " + hours);

	hours = hours > 40 ? (40 + (hours - 40) * 1.5) : hours;

	double grossPay = hours * wage;

	double taxableIncome = grossPay - preTaxAmount - medicalDeduction - (medicalDeductionDependant * dependents);
	taxableIncome = taxableIncome > 0 ? taxableIncome : 0;

	double taxRate = (18 - (dependents * 2)) > 0 ? (18 - (dependents * 2)) : 0;
	double tax = taxableIncome * (taxRate/100);

	double netPay = (taxableIncome - tax) > 0 ? (taxableIncome - tax) : 0;

	/*System.out.println("hours after overtime" + hours);
	System.out.println("grossPay " + grossPay);
	System.out.println("taxableIncome " + taxableIncome);
	System.out.println("taxRate " + taxRate);
	System.out.println("tax " + tax);
	System.out.println("netPay " + netPay);*/

	String[] ids = TimeZone.getAvailableIDs(-8 * 60 * 60 * 1000);
	if (ids.length == 0){
	    System.exit(0);
	}

	SimpleTimeZone pdt = new SimpleTimeZone(-8 * 60 * 60 * 1000, ids[0]);
	pdt.setStartRule(Calendar.APRIL, 1, Calendar.SUNDAY, 2 * 60 * 60 * 1000);
	pdt.setEndRule(Calendar.OCTOBER, -1, Calendar.SUNDAY, 2 * 60 * 60 * 1000);
	Calendar calendar = new GregorianCalendar(pdt);
	Date now = new Date(payPeriod);
	calendar.setTime(now);

	//calendar.add(Calendar.MONTH, 1);
	//System.out.println(calendar.get(Calendar.MONTH) + "/" + calendar.get(Calendar.DATE) + "/" + calendar.get(Calendar.YEAR));

	System.out.println(payPeriod);
	System.out.println("Pay to the order of " + firstName + " " + midInit + lastName + ": $" + netPay);
	System.out.print("Memo: employee #" + employeeNumber + " for the period ");
	//System.out.print(calendar.get(Calendar.MONTH) + "/" + calendar.add(calendar.get(Calendar.DATE), -14) + "/" + calendar.get(Calendar.YEAR));
	System.out.print("through");
	//System.out.println(calendar.get(Calendar.MONTH) + "/" + calendar.add(calendar.get(Calendar.DATE), -7) + "/" + calendar.get(Calendar.YEAR));



	return ;
    }
}