/*
CST116 - C++ Programming
Abdullah Havaldar
abdullah.havaldar@oit.edu

Purpose:

The purpose of this code is to find the area for a kite which the user enters the values of the width and height
and give out the area of the kite
*/

#include <iostream>

using namespace std;

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

int main()
{
    //seting up variables
    float length, width, area, aspectRatio, mass, gPull;
    bool glength = false;
    bool gwidth = false;

    //makes user input length between 1 and 400
    while (!glength)
    {
        cout << "Please enter the length of your kite." << endl;
        cin >> length;

        if (length >= 400 || length <= 1)
        {
            cout << "Please enter a length between 1 and 400. " << endl;
        }
        else
        {
            glength = true;
            break;
        }
    }

    //makes user input width between 1 and 400
    while (!gwidth)
    {
        cout << "Please enter the width of your kite." << endl;
        cin >> width;

        if (width >= 400 || width <= 1)
        {
            cout << "Please enter a width between 1 and 400. " << endl;
        }
        else
        {
            gwidth = true;
            break;
        }
    }

    //output confirmation stating what the user input
    cout << "So the length is " << length << "cm and the width is " << width << "cm." << endl;

    //calculating area and turning it to square meteres
    area = ((width * length) / 2);
    area /= 10000;

    //telling the user how many square meters their kite is
    cout << "The area of your kite is " << area << " square meters." << endl;

    //calculating aspect ratio
    aspectRatio = width / length;

    //warns user if aspect ratio is greater than or equal to 1
    if (aspectRatio >= 1)
    {
        cout << "NOTE: A lower aspect ratio (below 1) would provide more stability" << endl;
    }

    //calculating mass of kite
    mass = (area * 135) / 1000;

    //calculating gravitational pull
    gPull = mass * 9.8;

    //output the weight of kite to user
    cout << "Your kite weighs " << gPull << " kg.";
}