#pragma once

#include <QLineF>
#include <QPointF>
#include <QtMath>
#include <QLineF>

class Circle;

namespace PlanimetryCalculus {

    enum IntersectType{InsideNoIntersection, InsideTouching, InsideIntersection,
                       OutsideIntersection, OutsideTouching, OutsideNoIntersection,
                       CirclesEqual, //Circle Circle intersection

                       NoIntersection, Tangent, Secant, // Circle Line Intersetion

                       Error // general
                       };

    void rotatePoint(QPointF &point, double alpha);
    void rotatePoint(QList<QPointF> &point, double alpha);
    void rotatePointDegree(QPointF &point, double alpha);
    void rotatePointDegree(QList<QPointF> &points, double alpha);
    IntersectType intersects(const Circle &circle1, const Circle &circle2);
    IntersectType intersects(const Circle &circle1, const Circle &circle2, QList<QPointF> &intersectionPoints);
    IntersectType intersects(const Circle &circle, const QLineF &line);
    IntersectType intersects(const Circle &circle, const QLineF &line, QList<QPointF> &intersectionPoints);
    double distance(const QPointF &p1, const QPointF p2);
    double angle(const QPointF &p1, const QPointF p2);
    double angleDegree(const QPointF &p1, const QPointF p2);
    double truncateAngle(double angle);
    double truncateAngleDegree(double angle);
}