/* John J. Scuteri								9/13/2011
BCS 230 Foundations of Computer Programming
Assignment # 4 Paint Job Estimation */

#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

int numRooms();
int numGals(float);
float paintPrice();
float wallArea();
float laborHrs(float);
void displayCost(int, float, float);

int main() {
	float sZ = (wallArea() / 160);
	int pGal = numGals(sZ);
	displayCost(pGal, paintPrice(), laborHrs(sZ));
	return 0;
}

int numRooms() {
	int num;
	cout << "Enter the number of rooms : ";
	cin >> num;
	cout << endl;
	return num;
}

int numGals(float area) {
	int gal = ceil(area);
	return gal;
}

float paintPrice() {
	float cost;
	cout << "What is the price of the paint\n in US dollars. (format 10.00) : ";
	cin >> cost;
	cout << endl;
	return cost;
}

float wallArea() {
	float rA = 0;
	int size;
	int i;
	int in = 1;
	i = numRooms();
	while (i >= in) {
		cout << "Enter the the size of room " << in << " : ";
		cin >> size;
		cout << endl;
		rA += size;
		in++;
	}
	return rA;
}

float laborHrs(float wallsz) {
	float hrs = (wallsz * 3);
	return hrs;
}

void displayCost(int gallons, float pp,float hours) {
	float wC = (hours * 28);
	float pC = (gallons * pp);
	cout << "The number of gallons of paint required ---------- " << gallons << endl;
	cout << "The hours of labor required ---------------------- " << hours << endl;
	cout << "Total cost of paint per Gallon is ----------------$" << fixed << showpoint << setprecision(2) << pp << endl;
	cout << "Total cost of paint ------------------------------$" << fixed << showpoint << setprecision(2) << pC << endl;
	cout << "Total cost of labor ------------------------------$" << fixed << showpoint << setprecision(2) << wC << endl;
	cout << "Total cost of job --------------------------------$" << fixed << showpoint << setprecision(2) << wC + pC << endl;
}

/*
Output From the program below
-------------------------------------------------------------------------------------------
Enter the number of rooms : 4

Enter the size of room 1 : 288

Enter the size of room 2 : 384

Enter the size of room 3 : 224

Enter the size of room 4 : 336

What is the price of the paint
 in US dollars. (format 10.00)  : 25.50

The number of gallons of paint required ---------- 8
The hours of labor required ---------------------- 23.1
Total cost of paint per Gallon is ----------------$25.50
Total cost of paint ------------------------------$204.00
Total cost of labor ------------------------------$646.80
Total cost of job --------------------------------$850.80
Press any key to continue . . .
--------------------------------------------------------------------------------------------
*/