from django.shortcuts import render_to_response
from django.template import RequestContext
from django.http import Http404, HttpResponse
from django.core import serializers

from photos.models import Photo, PhotoGallery
from locations.models import Country, Region


def gallery_list(request, page):
    request.page_url = '/photos/%d/'
    request.page = int(page)
    context = {
        'object_list': PhotoGallery.objects.all(),
        'page': page,
    }
    return render_to_response("archives/photos.html", context, context_instance=RequestContext(request))


def gallery(request, slug):
    context = {
        'object': PhotoGallery.objects.get(set_slug=slug)
    }
    return render_to_response('details/photo_galleries.html', context, context_instance=RequestContext(request))


def photo_json(request, slug):
    p = PhotoGallery.objects.filter(set_slug=slug)
    return HttpResponse(serializers.serialize('json', p), mimetype='application/json')


def gallery_list_by_area(request, slug, page):
    """Grabs entries by region or country"""
    request.page_url = '/photos/' + slug + '/%d/'
    request.page = int(page)
    try:
        region = Region.objects.get(slug__exact=slug)
        qs = PhotoGallery.objects.filter(region=region).order_by('-id')
    except:
        region = Country.objects.get(slug__exact=slug)
        qs = PhotoGallery.objects.filter(location__state__country=region).order_by('-id')
        if not region:
            raise Http404
    context = {
        'object_list': qs,
        'country_list': Country.objects.filter(visited=True),
        'region_list': Region.objects.all(),
        'region': region,
        'page': page
    }
    return render_to_response("archives/photos.html", context, context_instance=RequestContext(request))