"""Location app views."""
from rest_framework import generics
from django.contrib.postgres.fields.jsonb import KeyTextTransform
from utils.models import get_current_locale

from location import models, serializers
from location.views import common
from utils.permissions import IsCountryAdmin
from utils.views import CreateDestroyGalleryViewMixin
from rest_framework.permissions import IsAuthenticatedOrReadOnly
from django.shortcuts import get_object_or_404
from django.db import IntegrityError
from utils.serializers import ImageBaseSerializer
from location.filters import RegionFilter

from location import filters


# Address


class AddressListCreateView(common.AddressViewMixin, generics.ListCreateAPIView):
    """Create view for model Address."""
    serializer_class = serializers.AddressDetailSerializer
    queryset = models.Address.objects.all()
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]


class AddressRUDView(common.AddressViewMixin, generics.RetrieveUpdateDestroyAPIView):
    """RUD view for model Address."""
    serializer_class = serializers.AddressDetailSerializer
    queryset = models.Address.objects.all()
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]


# City
class CityListCreateView(common.CityViewMixin, generics.ListCreateAPIView):
    """Create view for model City."""
    serializer_class = serializers.CityBaseSerializer
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]
    queryset = models.City.objects.all()
    filter_class = filters.CityBackFilter

    def get_queryset(self):
        """Overridden method 'get_queryset'."""
        qs = models.City.objects.all().annotate(locale_name=KeyTextTransform(get_current_locale(), 'name'))\
            .order_by('locale_name').with_base_related()
        if self.request.country_code:
            qs = qs.by_country_code(self.request.country_code)
        return qs


class CityListSearchView(common.CityViewMixin, generics.ListCreateAPIView):
    """Create view for model City."""
    serializer_class = serializers.CityBaseSerializer
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]
    queryset = models.City.objects.all()\
        .annotate(locale_name=KeyTextTransform(get_current_locale(), 'name'))\
        .order_by('locale_name')
    filter_class = filters.CityBackFilter
    pagination_class = None


class CityRUDView(common.CityViewMixin, generics.RetrieveUpdateDestroyAPIView):
    """RUD view for model City."""
    serializer_class = serializers.CityDetailSerializer
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]


# Region
class RegionListCreateView(common.RegionViewMixin, generics.ListCreateAPIView):
    """Create view for model Region"""
    pagination_class = None
    serializer_class = serializers.RegionSerializer
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]
    # ordering_fields = 'name'
    filter_class = RegionFilter


class RegionRUDView(common.RegionViewMixin, generics.RetrieveUpdateDestroyAPIView):
    """Retrieve view for model Region"""
    serializer_class = serializers.RegionSerializer
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]


# Country
class CountryListCreateView(generics.ListCreateAPIView):
    """List/Create view for model Country."""
    queryset = models.Country.objects.all()\
        .annotate(locale_name=KeyTextTransform(get_current_locale(), 'name'))\
        .order_by('locale_name')
    serializer_class = serializers.CountryBackSerializer
    pagination_class = None
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]


class CountryRUDView(generics.RetrieveUpdateDestroyAPIView):
    """RUD view for model Country."""
    serializer_class = serializers.CountryBackSerializer
    permission_classes = [IsAuthenticatedOrReadOnly | IsCountryAdmin]
    queryset = models.Country.objects.all()