from django.http import HttpRequest, HttpResponse, JsonResponse
from django.shortcuts import render
from django.views.generic import TemplateView
from django.urls import reverse

from .filters import ParkFilter
from .forms import ParkSearchForm
from .querysets import get_base_park_queryset

class ParkSearchView(TemplateView):
    """View for handling park search with autocomplete."""
    template_name = "parks/park_list.html"

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['search_form'] = ParkSearchForm(self.request.GET)
        
        # Initialize filter with current querystring
        queryset = get_base_park_queryset()
        filter_instance = ParkFilter(self.request.GET, queryset=queryset)
        context['filter'] = filter_instance
        
        # Apply search if park ID selected via autocomplete
        park_id = self.request.GET.get('park')
        if park_id:
            queryset = filter_instance.qs.filter(id=park_id)
        else:
            queryset = filter_instance.qs
            
        # Handle view mode
        context['view_mode'] = self.request.GET.get('view_mode', 'grid')
        context['parks'] = queryset
        
        return context

def suggest_parks(request: HttpRequest) -> HttpResponse:
    """Legacy endpoint for old search UI - redirects to autocomplete."""
    query = request.GET.get('search', '').strip()
    if query:
        return JsonResponse({
            'redirect': f"{reverse('parks:park_list')}?park_name={query}"
        })
    return HttpResponse('')