from django.core.management.base import BaseCommand
from django.core.cache import cache
from parks.models import Park
from rides.models import Ride
from analytics.models import PageView

class Command(BaseCommand):
    help = 'Updates trending parks and rides cache based on views in the last 24 hours'

    def handle(self, *args, **kwargs):
        """
        Updates the trending parks and rides in the cache.
        
        This command is designed to be run every hour via cron to keep the trending
        items up to date. It looks at page views from the last 24 hours and caches
        the top 10 most viewed parks and rides.
        
        The cached data is used by the home page to display trending items without
        having to query the database on every request.
        """
        # Get top 10 trending parks and rides from the last 24 hours
        trending_parks = PageView.get_trending_items(Park, hours=24, limit=10)
        trending_rides = PageView.get_trending_items(Ride, hours=24, limit=10)

        # Cache the results for 1 hour
        cache.set('trending_parks', trending_parks, 3600)  # 3600 seconds = 1 hour
        cache.set('trending_rides', trending_rides, 3600)

        self.stdout.write(
            self.style.SUCCESS(
                'Successfully updated trending parks and rides. '
                'Cached 10 items each for parks and rides based on views in the last 24 hours.'
            )
        )