#define _USE_MATH_DEFINES
#include <cmath>
#include "varc.h"
#include <QDebug>

VArc::VArc () : f1(0), formulaF1(QString()), f2(0), formulaF2(QString()), radius(0), formulaRadius(QString()),
    center(0), points(0){
}

VArc::VArc (const QMap<qint64, VPointF> *points, qint64 center, qreal radius, QString formulaRadius,
            qreal f1, QString formulaF1, qreal f2, QString formulaF2 )
    : f1(f1), formulaF1(formulaF1), f2(f2), formulaF2(formulaF2), radius(radius), formulaRadius(formulaRadius),
      center(center), points(points){
}

VArc::VArc(const VArc &arc): f1(0), formulaF1(QString()), f2(0), formulaF2(QString()), radius(0),
    formulaRadius(QString()), center(0), points(0){
    this->points = arc.GetDataPoints();
    this->f1 = arc.GetF1();
    this->formulaF1 = arc.GetFormulaF1();
    this->f2 = arc.GetF2();
    this->formulaF2 = arc.GetFormulaF2();
    this->radius = arc.GetRadius();
    this->formulaRadius = arc.GetFormulaRadius();
    this->center = arc.GetCenter();
}

const VArc &VArc::operator =(const VArc &arc){
    this->points = arc.GetDataPoints();
    this->f1 = arc.GetF1();
    this->formulaF1 = arc.GetFormulaF1();
    this->f2 = arc.GetF2();
    this->formulaF2 = arc.GetFormulaF2();
    this->radius = arc.GetRadius();
    this->formulaRadius = arc.GetFormulaRadius();
    this->center = arc.GetCenter();
    return *this;
}

qreal VArc::GetF1() const{
    return f1;
}

QString VArc::GetFormulaF1() const{
    return formulaF1;
}

qreal VArc::GetF2() const{
    return f2;
}

QString VArc::GetFormulaF2() const{
    return formulaF2;
}

qreal VArc::GetLength () const{
    return M_PI * radius/180 * (f2-f1);
}

qreal VArc::GetRadius() const{
    return radius;
}

QString VArc::GetFormulaRadius() const{
    return formulaRadius;
}

qint64 VArc::GetCenter() const{
    return center;
}

QPointF VArc::GetCenterPoint() const{
    if(points->contains(center)){
        return points->value(center).toQPointF();
    } else {
        qCritical()<<"Не можу знайти id = "<<center<<" в таблиці.";
        throw"Не можу знайти точку за id.";
    }
    return QPointF();
}

QPointF VArc::GetP1() const{
    QPointF p1 ( GetCenterPoint().x () + radius, GetCenterPoint().y () );
    QLineF centerP1(GetCenterPoint(), p1);
    centerP1.setAngle(f1);
    return centerP1.p2();
}

QPointF VArc::GetP2 () const{
    QPointF p2 ( GetCenterPoint().x () + radius, GetCenterPoint().y () );
    QLineF centerP2(GetCenterPoint(), p2);
    centerP2.setAngle(f2);
    return centerP2.p2();
}

const QMap<qint64, VPointF> *VArc::GetDataPoints() const{
    return points;
}

QPainterPath VArc::GetPath() const{
    QPainterPath Path;
    QPointF center = GetCenterPoint();
    QRectF rect(center.x()-radius, center.y()-radius, radius*2, radius*2);
    Path.moveTo(GetP1());
    qreal angle = QLineF(center, GetP1()).angleTo(QLineF(center, GetP2()));
    Path.arcTo(rect, GetF1(), angle);
    return Path;
}