# loading_overlay.py
from PyQt6.QtWidgets import QWidget, QLabel
from PyQt6.QtCore import Qt
from PyQt6.QtGui import QMovie

class LoadingOverlay(QWidget):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setStyleSheet("background-color: rgba(0, 0, 0, 150);")
        self.setAttribute(Qt.WidgetAttribute.WA_TransparentForMouseEvents, True)

        self.spinner = QLabel(self)
        self.spinner.setAlignment(Qt.AlignmentFlag.AlignCenter)
        self.movie = QMovie("spinner.gif")
        self.spinner.setMovie(self.movie)

        layout = self.spinner.geometry()
        self.resize(parent.size())
        self.spinner.resize(100, 100)
        self.spinner.move((self.width() - 100) // 2, (self.height() - 100) // 2)
        self.hide()

    def start(self):
        self.movie.start()
        self.show()

    def stop(self):
        self.movie.stop()
        self.hide()