#include "Rhombus.h"
#include "GeometryUtils.h"
#include "IsoscelesTriangle.h"

bool Rhombus::validate() {
    double sideOne = calculate_distance(mVertices[0], mVertices[1]);
    double sideTwo = calculate_distance(mVertices[1], mVertices[2]);
    double sideThree = calculate_distance(mVertices[2], mVertices[3]);
    double sideFour = calculate_distance(mVertices[3], mVertices[0]);

    IsoscelesTriangle firstTriangle;
    firstTriangle.setCoordinate(0, mVertices[0]);
    firstTriangle.setCoordinate(1, mVertices[1]);
    firstTriangle.setCoordinate(2, mVertices[2]);

    IsoscelesTriangle secondTriangle;
    secondTriangle.setCoordinate(0, mVertices[0]);
    secondTriangle.setCoordinate(1, mVertices[2]);
    secondTriangle.setCoordinate(2, mVertices[3]);

    // A valid rhombus must (a) Have vertices (0, 1, 2) make a valid isosceles triangle,
    // (b) Have vertices (0, 2, 3) make a valid isosceles triangle, and (c) Have all
    // sides of equal length
    return firstTriangle.validate() && secondTriangle.validate()
        && (double_eq(sideOne, sideTwo) && double_eq(sideTwo, sideThree) && double_eq(sideThree, sideFour));
}