from django.views.generic import DetailView, ListView
from django.shortcuts import get_object_or_404
from .models import Ride, RollerCoasterStats
from parks.models import Park
from core.views import SlugRedirectMixin

class RideDetailView(SlugRedirectMixin, DetailView):
    model = Ride
    template_name = 'rides/ride_detail.html'
    context_object_name = 'ride'
    slug_url_kwarg = 'ride_slug'

    def get_object(self, queryset=None):
        if queryset is None:
            queryset = self.get_queryset()
        park_slug = self.kwargs.get('park_slug')
        ride_slug = self.kwargs.get('ride_slug')
        # Try to get by current or historical slug
        obj, is_old_slug = self.model.get_by_slug(ride_slug)
        if obj.park.slug != park_slug:
            raise self.model.DoesNotExist("Park slug doesn't match")
        return obj

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        if self.object.category == 'RC':
            context['coaster_stats'] = RollerCoasterStats.objects.filter(ride=self.object).first()
        return context

    def get_redirect_url_pattern(self):
        return 'ride_detail'

    def get_redirect_url_kwargs(self):
        return {
            'park_slug': self.object.park.slug,
            'ride_slug': self.object.slug
        }

class RideListView(ListView):
    model = Ride
    template_name = 'rides/ride_list.html'
    context_object_name = 'rides'
    paginate_by = 12

    def get_queryset(self):
        queryset = Ride.objects.select_related('park', 'coaster_stats')
        
        # Filter by category if specified
        category = self.request.GET.get('category')
        if category:
            queryset = queryset.filter(category=category)
            
        # Filter by status if specified
        status = self.request.GET.get('status')
        if status:
            queryset = queryset.filter(status=status)
            
        # Filter by manufacturer if specified
        manufacturer = self.request.GET.get('manufacturer')
        if manufacturer:
            queryset = queryset.filter(manufacturer=manufacturer)
            
        return queryset.order_by('name')

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['manufacturers'] = Ride.objects.values_list(
            'manufacturer', flat=True
        ).distinct().order_by('manufacturer')
        return context