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

class ParkDetailView(SlugRedirectMixin, DetailView):
    model = Park
    template_name = 'parks/park_detail.html'
    context_object_name = 'park'

    def get_object(self, queryset=None):
        if queryset is None:
            queryset = self.get_queryset()
        slug = self.kwargs.get(self.slug_url_kwarg)
        # Try to get by current or historical slug
        return self.model.get_by_slug(slug)[0]

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['rides'] = Ride.objects.filter(
            park=self.object
        ).select_related('coaster_stats')
        context['areas'] = ParkArea.objects.filter(park=self.object)
        return context

    def get_redirect_url_pattern(self):
        return 'park_detail'

class ParkAreaDetailView(SlugRedirectMixin, DetailView):
    model = ParkArea
    template_name = 'parks/area_detail.html'
    context_object_name = 'area'
    slug_url_kwarg = 'area_slug'

    def get_object(self, queryset=None):
        if queryset is None:
            queryset = self.get_queryset()
        park_slug = self.kwargs.get('park_slug')
        area_slug = self.kwargs.get('area_slug')
        # Try to get by current or historical slug
        obj, is_old_slug = self.model.get_by_slug(area_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)
        context['rides'] = Ride.objects.filter(
            area=self.object
        ).select_related('coaster_stats')
        return context

    def get_redirect_url_pattern(self):
        return 'area_detail'

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

class ParkListView(ListView):
    model = Park
    template_name = 'parks/park_list.html'
    context_object_name = 'parks'
    paginate_by = 12

    def get_queryset(self):
        queryset = Park.objects.select_related('owner')
        
        # Filter by location if specified
        location = self.request.GET.get('location')
        if location:
            queryset = queryset.filter(location__icontains=location)
            
        # Filter by status if specified
        status = self.request.GET.get('status')
        if status:
            queryset = queryset.filter(status=status)
            
        return queryset.order_by('name')

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        # Add list of locations for the filter dropdown
        context['locations'] = Park.objects.values_list(
            'location', flat=True
        ).distinct().order_by('location')
        context['selected_location'] = self.request.GET.get('location', '')
        return context