/* CSCI 200: Lab 2C (Coordinate Conversion By Pointer): Tyler Beckman
 *
 * Author: Tyler Beckman
 *
 * TODO
 */
#include "coordinate_conversion.h"

#include <iostream>

int main(void) {
	char direction = 'P';

    std::cout << "Which coordinate system would you like to convert to? [P]olar - (x, y) -> (r, θ), or [C]artesian - (r, θ) -> (x, y)? ";
	std::cin >> direction;

    double radius = 0;
    double angle = 0;
    double xCoordinate = 0;
    double yCoordinate = 0;

    switch (direction) {
        case 'P':
            std::cout << "Please enter the (x, y) coordinates, separated by a space: ";
            std::cin >> xCoordinate >> yCoordinate;

            cartesian_to_polar(xCoordinate, yCoordinate, &radius, &angle);

            std::cout << "The result (r, θ) is: (" << radius << ", " << angle << ")";
            break;
        case 'C':
            std::cout << "Please enter the (r, θ) coordinates, separated by a space: ";
            std::cin >> radius >> angle;

            polar_to_cartesian(radius, angle, &xCoordinate, &yCoordinate);

            std::cout << "The result (x, y) is: (" << xCoordinate << ", " << yCoordinate << ")";
            break;
        default:
            std::cout << "\"" << direction << "\" is not a valid option, exiting";
            return 1;
    }
}