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"""PySide6 port of the qml/examples/qml/referenceexamples/binding example from Qt v6.x"""

from pathlib import Path
import sys

from PySide6.QtCore import QCoreApplication, QUrl
from PySide6.QtQml import QQmlComponent, QQmlEngine, qmlAttachedPropertiesObject

from person import Boy, Girl
from birthdayparty import BirthdayParty
from happybirthdaysong import HappyBirthdaySong


if __name__ == "__main__":
    app = QCoreApplication(sys.argv)
    qml_file = Path(__file__).parent / "example.qml"
    url = QUrl.fromLocalFile(qml_file)
    engine = QQmlEngine()
    component = QQmlComponent(engine, url)
    party = component.create()
    if not party:
        print(component.errors())
        del engine
        sys.exit(-1)
    host = party.host
    print(f"{host.name} is having a birthday!")
    if isinstance(host, Boy):
        print("He is inviting:")
    else:
        print("She is inviting:")
    for g in range(party.guestCount()):
        guest = party.guest(g)
        name = guest.name

        rsvp_date = None
        attached = qmlAttachedPropertiesObject(BirthdayParty, guest, False)
        if attached:
            rsvp_date = attached.rsvp.toString()
        if rsvp_date:
            print(f"    {name} RSVP date: {rsvp_date}")
        else:
            print(f"    {name} RSVP date: Hasn't RSVP'd")

    party.startParty()

    r = app.exec()

    del engine
    sys.exit(r)
