import sys, os

# Path setup — works both as `python gui/main.py` and `python -m gui.main`
for _p in [
    os.path.dirname(os.path.dirname(os.path.abspath(__file__))),  # nmea_client/
    os.path.dirname(os.path.abspath(__file__)),                   # nmea_client/gui/
]:
    if _p not in sys.path:
        sys.path.insert(0, _p)

from PyQt5.QtWidgets import QApplication, QMainWindow, QTabWidget
from PyQt5.QtGui     import QIcon

from data_model      import ReceiverManager
from connection_tab  import ConnectionTab
from sky_tab         import SkyTab
from plot_tab        import PlotTab


class MainWindow(QMainWindow):
    def __init__(self, model: ReceiverManager):
        super().__init__()
        self._model = model
        self.setWindowTitle("GNSS Monitor")
        self.resize(1400, 900)

        tabs = QTabWidget()
        tabs.addTab(ConnectionTab(model), "Connection")
        tabs.addTab(SkyTab(model),        "Sky")
        tabs.addTab(PlotTab(model),       "Plot")
        self.setCentralWidget(tabs)

    def closeEvent(self, event):
        for rid in list(self._model.get_receiver_ids()):
            self._model.disconnect_receiver(rid)
        event.accept()


def main():
    app = QApplication(sys.argv)
    app.setStyle('Fusion')

    model = ReceiverManager()
    win   = MainWindow(model)
    win.show()

    sys.exit(app.exec_())


if __name__ == '__main__':
    main()