// James Gallagher
// Cs 215 Section 010
// Project 2: Payroll
//Description: This program is deisnged to recieve and process information about a companies payroll and print a comprehensive report

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;
//-----Print:Logo-----
void PrintLogo()
{
	cout << "+---------------------------------+" << "\n"
		<< "|    James Gallagher's Propane    |" << "\n"
		<< "|     and Propane accessories     |" << "\n"
		<< "|       Kevin Joiner Sec 10       |" << "\n"
		<< "+---------------------------------+";
}
//-----Ask:Num-----
float asknumemployees(float & num_emplyees)
{
	do {
		cout << "\n" << "Number of empoyees: ";
		cin >> num_emplyees;
		if (num_emplyees < 1)
		{
			cout << "Invalid: Enter a number greater than 1";
		}
	} while (num_emplyees < 1);
	return num_emplyees;
}
//-----Ask:Resident-----
string AskResident(string& employee_resident)
{
	do {
		cout << "   Local Resident (Y/N)?:     ";
		cin >> employee_resident;
			if (employee_resident == "Y" || employee_resident == "y" || employee_resident == "N" || employee_resident == "n")
			{
				return employee_resident;
			}
			else
			{
				cout << "Invalid: Please enter (Y/N)" << "\n";
			}
		} while (employee_resident != "Y" && employee_resident != "y" && employee_resident != "N" && employee_resident != "n");
}
//-----Ask:type-----
string Askemployee_type(string& employee_type)
{
	do {
		cout << "   Hourly or Salaried (H/S)?: ";
		cin >> employee_type;
		if (employee_type == "H" || employee_type == "h" || employee_type == "S" || employee_type == "s")
		{
			return employee_type;
		}
		else
		{
			cout << "INVALID: Enter H or S";
		}
	} while (employee_type != "H" && employee_type != "h" && employee_type != "S" && employee_type != "s");
}
//-----Calc:State-----
float CalcStateTax(float gross_pay)
{
	float state_tax_total = 0;
	const float state_income_tax = .06;
	if (gross_pay > 500)
	{
		state_tax_total = gross_pay - 500;
		state_tax_total = gross_pay * state_income_tax;
	}
	return state_tax_total;
}
//-----Calc:Local-----
float CalcLocalTax(float gross_pay, string employee_resident)
{
	float local_tax_total = 0;
	if ((employee_resident == "y") || (employee_resident == "Y"))
	{
		local_tax_total = gross_pay * 0.015;
	}
	if ((employee_resident == "n") || (employee_resident == "N"))
	{
		local_tax_total = gross_pay * 0.01;
	}
	return local_tax_total;
}
//-----Calc:Fed-----
float calcFedTax(float gross_pay)
{
	float fed_tax_total = 0;
	if (gross_pay < 600) {
		fed_tax_total = 0;
	}
	else if ((gross_pay <= 799.99) && (gross_pay >= 600)) {
		fed_tax_total = gross_pay * 0.04;
	}
	else if ((gross_pay <= 1099.99) && (gross_pay >= 800)) {
		fed_tax_total = gross_pay * 0.08;
	}
	else {
		fed_tax_total = gross_pay * 0.12;
	}
	return fed_tax_total;
}
//-----Hourly-----
float GetHourlyGross(float hourly_rate, float hours_worked)
{
	float overtime = 40;
	float hourlyGross = 0;
	if (hours_worked <= 40)
	{
		hourlyGross = hourly_rate * hours_worked;
	}
	if (hours_worked > 40)
	{
		hourlyGross = (40 + ((hours_worked - 40) * 1.5)) * hourly_rate;
	}
	return hourlyGross;
}
//-----Update-----
float updateTotals(float net_total, float fed_tax_total, float state_tax_total, float local_tax_total, float social_sec_tax, float & Final_social_sec, float & Final_fed_tax, float & Final_local_tax, float & Final_state_tax, float & Final_net_due)
{
	Final_fed_tax = Final_fed_tax + fed_tax_total;
	Final_net_due = Final_net_due + net_total;
	Final_state_tax = Final_state_tax + state_tax_total;
	Final_local_tax = Final_local_tax + local_tax_total;
	Final_social_sec = Final_social_sec + social_sec_tax;
	return Final_social_sec;
}
//-----Print:Stub-----
void printstub(string first_name, string last_name, float gross_pay, float fed_tax_total, float state_tax_total, float local_tax_total, float social_sec_tax, float totaltaxes, float net_total)
{
	cout << "\n" << "--------James Gallagher's Company Paystub--------" << "\n";
	cout << setprecision(2) << "Name: " << first_name << " " << last_name << "\n";
	cout << setprecision(2) << fixed << "Gross Pay: $" << gross_pay << "\n";
	cout << setprecision(2) << "Federal Tax: $" << fed_tax_total << "\n";
	cout << setprecision(2) << "State Tax: $" << state_tax_total << "\n";
	cout << setprecision(2) << "Local Tax: $" << local_tax_total << "\n";
	cout << setprecision(2) << "Socail Security Tax: $" << social_sec_tax << "\n";
	cout << setprecision(2) << "Total Taxes: $" << totaltaxes << "\n";
	cout << setprecision(2) << fixed << "Net Total: $" << net_total << "\n";
}
//-----PRint:Report-----
void PrintReport(float Final_social_sec, float Final_fed_tax, float Final_local_tax, float Final_state_tax, float Final_net_due)
{
	cout << "--------------PAYROLL REPORT--------------" << "\n";
	cout << "Total pay to Employees :  " << Final_net_due << "\n";
	cout << "Total pay to Federals :  " << Final_fed_tax << "\n";
	cout << "Total pay to SSI :  " << Final_social_sec << "\n";
	cout << "Total pay to State :  " << Final_state_tax << "\n";
	cout << "Total pay to Local :  " << Final_local_tax << "\n";
	cout << "------------------------------------------" << "\n";
}
//-----PROCESS-----
void ProcessEmployee(int num_employees, float & Final_social_sec, float & Final_fed_tax, float & Final_local_tax, float & Final_state_tax, float & Final_net_due)
{
	string first_name, last_name, employee_type, employee_resident;
	float counter = 0, hourly_rate = 0, hours_worked = 0, weeklySalary = 0, hourlyGross = 0, gross_pay = 0, fed_tax_total = 0, local_tax_total = 0, state_tax_total = 0, social_sec_tax = 0, totalTaxes = 0, net_total = 0, employeeStateTotal = 0, employee_net_total = 0, employee_fed_total = 0, employee_local_total = 0, employeeSSITotal = 0;
	for (counter; counter < num_employees; counter++)
	{
		cout << "----------------------------" << "\n";
		cout << "   Enter Data for Employee " << setprecision(0) << counter + 1 << "\n";
		cout << "   Name (first last):         ";
		cin >> first_name >> last_name;
		Askemployee_type(employee_type);
		if (employee_type == "H" || employee_type == "h")
		{
			cout << "   Hourly rate:               ";
			cin >> hourly_rate;
			cout << "   Hours worked this period:  ";
			cin >> hours_worked;
		}
		if (employee_type == "S" || employee_type == "s")
		{
			cout << "   Weekly Salary:             ";
			cin >> weeklySalary;
		}
		AskResident(employee_resident);
		if (employee_type == "H" || employee_type == "h")
		{
			hourlyGross = GetHourlyGross(hourly_rate, hours_worked);
			gross_pay = hourlyGross + 0;
		}
		if (employee_type == "S" || employee_type == "s")
		{
			gross_pay = weeklySalary + 0;
		}
		fed_tax_total = calcFedTax(gross_pay);
		local_tax_total = CalcLocalTax(gross_pay, employee_resident);
		state_tax_total = CalcStateTax(gross_pay);
		social_sec_tax = gross_pay * 0.03;
		totalTaxes = fed_tax_total + state_tax_total + local_tax_total + social_sec_tax;
		net_total = gross_pay - totalTaxes;
		printstub(first_name, last_name, gross_pay, fed_tax_total, state_tax_total, local_tax_total, social_sec_tax, totalTaxes, net_total);


		Final_social_sec = updateTotals(net_total, fed_tax_total, state_tax_total, local_tax_total, social_sec_tax, Final_social_sec, Final_fed_tax, Final_local_tax, Final_state_tax, Final_net_due);
		Final_fed_tax = updateTotals(net_total, fed_tax_total, state_tax_total, local_tax_total, social_sec_tax, Final_social_sec, Final_fed_tax, Final_local_tax, Final_state_tax, Final_net_due);
		Final_local_tax = updateTotals(net_total, fed_tax_total, state_tax_total, local_tax_total, social_sec_tax, Final_social_sec, Final_fed_tax, Final_local_tax, Final_state_tax, Final_net_due);
		Final_state_tax = updateTotals(net_total, fed_tax_total, state_tax_total, local_tax_total, social_sec_tax, Final_social_sec, Final_fed_tax, Final_local_tax, Final_state_tax, Final_net_due);
		Final_net_due = updateTotals(net_total, fed_tax_total, state_tax_total, local_tax_total, social_sec_tax, Final_social_sec, Final_fed_tax, Final_local_tax, Final_state_tax, Final_net_due);
	}
	cout << "\n";
	PrintReport(employeeStateTotal, employee_net_total, employee_fed_total, employee_local_total, employeeSSITotal);
	counter = counter + 1;
}
//-----MAIN-----
void main()
{
	float num_employees = 0;
	const float State_income_tax = .06;
	const float social_sec_tax = .03;
	float Final_social_sec = 0;
	float Final_fed_tax = 0;
	float Final_local_tax = 0;
	float Final_state_tax = 0;
	float Final_net_due = 0;
	PrintLogo();
	num_employees = asknumemployees(num_employees);
	ProcessEmployee(num_employees, Final_social_sec, Final_fed_tax, Final_local_tax, Final_state_tax, Final_net_due);
	system("pause");
}