//Lab 10
//Instructions: Complete the 4 functions below, all of which use structs.

#include<iostream>
#include<cstdlib>
#include<cmath>
using namespace std;

int const SIZE = 100;

struct Account
{
	double transaction[SIZE];
	double start_balance;
	double new_balance;
};

struct Point
{
	double x;
	double y;
};

struct Polygon
{
	Point points[SIZE];
	int num_points;
};

void compute_balance(Account& my_money);
double distance_between(Point first, Point second);
double distance_from_origin(Point p);
double perimeter(Polygon poly);

int main()
{
	Account savings;
	Point first, second, third;
	Polygon square;
	//Polygon triangle;
	int i; //Loop variable

	savings.start_balance = 1000;
	savings.transaction[0] = 20;
	savings.transaction[1] = 20;
	savings.transaction[2] = -34;
	savings.transaction[3] = -100;

	for(i=4; i<SIZE; ++i)
	{
		savings.transaction[i] = 0;
	}

	compute_balance(savings);
	cout << "After these transactions, the new balance is " << savings.new_balance << endl;


	first.x = 1;
	first.y = 1;
	second.x = 1;
	second.y = 0;
	third.x = 4;
	third.y = 9;

	cout << "Distance of the first point: " << distance_from_origin(first) << endl;
	cout << "Distance of the second point: " << distance_from_origin(second) << endl;
	cout << "Distance of the third point: " << distance_from_origin(third) << endl;
	cout << "Distance from first to second point is: " << distance_between(first, second) << endl;

	square.num_points = 4;
	square.points[0].x = 0;
	square.points[0].y = 0;
	square.points[1].x = 1;
	square.points[1].y = 0;
	square.points[2].x = 1;
	square.points[2].y = 1;
	square.points[3].x = 0;
	square.points[3].y = 1;

	cout << "The perimeter of the square is " << perimeter(square) << endl;
}

//Compute the new balance and place it in the new_balance variable of the struct
void compute_balance(Account& my_money)
{

}

double distance_from_origin(Point p)
{

}

double distance_between(Point first, Point second)
{

}

double perimeter(Polygon poly)
{
}