from django.views.generic import TemplateView
from parks.models import Park
from .filters import ParkFilter

class AdaptiveSearchView(TemplateView):
    template_name = "search/results.html"
    
    def get_queryset(self):
        """
        Get the base queryset, optimized with select_related and prefetch_related
        """
        return Park.objects.select_related('owner').prefetch_related(
            'location',
            'photos'
        ).all()

    def get_filterset(self):
        """
        Get the filterset instance
        """
        return ParkFilter(self.request.GET, queryset=self.get_queryset())

    def get_context_data(self, **kwargs):
        """
        Add filtered results and filter form to context
        """
        context = super().get_context_data(**kwargs)
        filterset = self.get_filterset()
        
        context.update({
            'results': filterset.qs,
            'filters': filterset,
            'applied_filters': bool(self.request.GET),  # Check if any filters are applied
        })
        
        return context

class FilterFormView(TemplateView):
    """
    View for rendering just the filter form for HTMX updates
    """
    template_name = "search/filters.html"
    
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        filterset = ParkFilter(self.request.GET, queryset=Park.objects.all())
        context['filters'] = filterset
        return context