from PySide6.QtCore import QRectF, Qt
from PySide6.QtGui import QBrush, QPainter, QPen
from PySide6.QtWidgets import QGraphicsEllipseItem, QGraphicsItem, QStyleOptionGraphicsItem, QWidget

class SphereGraphicsItem(QGraphicsEllipseItem):

    SPHERE_WIDTH = 30

    def __init__(self, x_pos: int, y_pos: int) -> None:
        super().__init__(self.SPHERE_WIDTH/2, self.SPHERE_WIDTH/2, self.SPHERE_WIDTH, self.SPHERE_WIDTH)
        print(f"sphere at {x_pos}:{y_pos}")
        self.setPos(x_pos, y_pos)
        brush = QBrush(Qt.GlobalColor.darkBlue)
        self.setBrush(brush)
        pen = QPen(Qt.GlobalColor.blue)
        pen.setWidth(3)
        self.setPen(pen)
        self.show()

class ArcGraphicsItem(QGraphicsItem):

    def __init__(self, x_pos: int, y_pos: int, width: int, angle_start: int, angle_end: int, parent: QGraphicsItem | None = ...):
        super().__init__(parent)
        print(f"arc from {x_pos}:{y_pos} of {width} {angle_start}° {angle_end}°")
        self.x_pos = x_pos
        self.y_pos = y_pos
        self.width = width
        self.angle_start = angle_start
        self.angle_end = angle_end

    def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: QWidget | None = ...) -> None:
        shift = int(self.width/2)
        painter.drawArc(self.x_pos-shift, self.y_pos-shift, self.width*2,
                        self.width*2, self.angle_start*16, self.angle_end*16)
    
    def boundingRect(self) -> QRectF:
        return QRectF(0, 0, self.x_pos, self.y_pos)

class LineGraphicsItem(QGraphicsItem):

    def __init__(self, begin_x: int, begin_y: int, end_x: int, end_y: int, parent: QGraphicsItem | None = ...) -> None:
        super().__init__(parent)
        print(f"line from {begin_x}:{begin_y} to {end_x}:{end_y}")
        self.begin_x = begin_x
        self.begin_y = begin_y
        self.end_x = end_x
        self.end_y = end_y
    
    def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: QWidget | None = ...) -> None:
        painter.drawLine(self.begin_x, self.begin_y, self.end_x, self.end_y)

    def boundingRect(self) -> QRectF:
        return QRectF(self.begin_x, self.begin_y, self.end_x, self.end_y)