// BlankConsoleLab.cpp : This file contains the 'main' function. Program execution begins and ends there.
// Jacob Wilson, cst116, Lab1

#include <iostream>

using namespace std;

using std::cout;
using std::cin;
using std::endl;

int main()
{
    float width = 0;
    float length = 0;
    float area;
    float mass;
    float aspect_ratio;
    float gravitational_pull;

    while (true) {
        cout << "What is the width of the kite in centimeters: ";
        if (cin >> width && (width >= 1 && width <= 400)) {
            break;
        }
        cout << "Please enter a number between 1 and 400 centimeters." << endl;
    }

    while (true) {
        cout << "What is the length of the kite in centimeters: ";
        if (cin >> length && (length >= 1 && length <= 400)) {
            break;
        }
        cout << "Please enter a number between 1 and 400 centimeters." << endl;
    }

    cout << "\nThe width is " << width << " centimeters and the length is "
        << length << " centimeters." << endl;

    area = (length * width) / 2;

    cout << "The area of the kite is " << area / 10000 << " square meters." << endl << endl;

    aspect_ratio = width / length;

    if (aspect_ratio >= 1)
        cout << "WARNING! Aspect ratio >= 1. Unstable.\n";
    else if (aspect_ratio < 1)
        cout << "Aspect ratio < 1. Good aspect ratio.\n";

    mass = 135 * (area / 10000);

    cout << "\nThe mass of your kite is " << mass << " grams.\n";

    gravitational_pull = mass * 9.81;

    cout << "\nThe gravitational pull of your kite is " << gravitational_pull << " grams * m/s^2\n";

    return 0;
}