from django.db.models.signals import pre_save
from django.dispatch import receiver
from django.utils import timezone
from .models import Ride


@receiver(pre_save, sender=Ride)
def handle_ride_status(sender, instance, **kwargs):
    """Handle ride status changes based on closing date"""
    if instance.closing_date:
        today = timezone.now().date()
        
        # If we've reached the closing date and status is "Closing"
        if today >= instance.closing_date and instance.status == 'CLOSING':
            # Change to the selected post-closing status
            instance.status = instance.post_closing_status or 'SBNO'
            instance.status_since = instance.closing_date