import sys
import signal

from PySide6.QtCore import Qt, QTimer
from PySide6.QtWidgets import QApplication, QSplashScreen, QVBoxLayout, QLabel
from PySide6.QtGui import QPixmap, QFont, QFontDatabase

class SplashScreen(QSplashScreen):
    def __init__(self):
        super().__init__()
        self.setFixedSize(534, 300)

        # Define layout as an instance variable
        self.vbox = QVBoxLayout()
        self.setContentsMargins(0, 0, 0, 0)
        self.vbox.setAlignment(Qt.AlignTop | Qt.AlignLeft)

        # Set the layout for the splash screen
        self.setLayout(self.vbox)

        self.setWindowTitle("AppName")
        self.setWindowFlags(self.windowFlags() | Qt.FramelessWindowHint)
        self.setWindowOpacity(1)

        # Add external fonts
        # QFontDatabase.addApplicationFont("fonts/Aligator.otf")

        # Create a label to display the background image
        self.splash_img = QLabel(self)
        self.splash_img.setAlignment(Qt.AlignCenter | Qt.AlignTop)  # Center the image within the window
        self.splash_img.setPixmap(QPixmap("icon.png"))
        self.splash_img.setStyleSheet("padding: 0;")
        self.splash_img.setScaledContents(True)

        # Create labels for text
        app_name_label = QLabel("AppName", self)
        # app_name_label.setFont(QFont("Aligator", 75))
        app_name_label.setAlignment(Qt.AlignCenter | Qt.AlignTop)  # Center the text horizontally
        app_name_label.setStyleSheet("color: black; padding: 0;")
        self.vbox.addWidget(app_name_label)

        version_label = QLabel("Version Number", self)
        version_label.setStyleSheet("color: black; padding: 0;")
        version_label.setAlignment(Qt.AlignBottom)
        self.vbox.addWidget(version_label)

        programmer_label = QLabel("Written by Name", self)
        programmer_label.setStyleSheet("color: black; padding: 0;")
        programmer_label.setAlignment(Qt.AlignBottom)
        self.vbox.addWidget(programmer_label)

        copyright_label = QLabel("Copyright Year, Cute Saying Here", self)
        copyright_label.setStyleSheet("color: black; padding: 0;")
        copyright_label.setAlignment(Qt.AlignBottom)
        self.vbox.addWidget(copyright_label)

    def showEvent(self, event):
        super().showEvent(event)
        # Resize the background label to fill the whole screen
        self.splash_img.setFixedSize(self.size())


def install_ctrlc_handler(app):
    def ctrlc_handler(sig=None, frame=None):
        app.closeAllWindows() # this makes sure the MainWindow's .close() method gets called
        app.quit()

    # grab the keyboard interrupt signal
    signal.signal(signal.SIGINT, ctrlc_handler)

    # empty timer callback
    def update():
        pass

    # create timer to force python interpreter to get some runtime
    app._ctrlc_timer = QTimer()
    app._ctrlc_timer.timeout.connect(update)
    app._ctrlc_timer.start(10)


if __name__ == "__main__":
    app = QApplication(sys.argv)
    install_ctrlc_handler(app)

    splash = SplashScreen()
    splash.show()

    # Simulate some loading time
    import time
    time.sleep(1)

    sys.exit(app.exec())