"""
web_admin views file
"""
# django imports
from rest_framework.viewsets import GenericViewSet, mixins
from rest_framework.response import Response
from rest_framework import status
from rest_framework.decorators import action
from rest_framework.permissions import IsAuthenticated

# local imports
from account.utils import custom_response, custom_error_response
from base.messages import SUCCESS_CODE, ERROR_CODE
from web_admin.models import Article, ArticleCard, ArticleSurvey
from web_admin.permission import AdminPermission
from web_admin.serializers import ArticleSerializer


class ArticleViewSet(GenericViewSet, mixins.CreateModelMixin, mixins.UpdateModelMixin,
                     mixins.ListModelMixin, mixins.RetrieveModelMixin, mixins.DestroyModelMixin):
    """
    article api
    """
    serializer_class = ArticleSerializer
    permission_classes = [IsAuthenticated, AdminPermission]
    queryset = Article.objects.prefetch_related('article_cards',
                                                'article_survey',
                                                'article_survey__survey_options').order_by('-created_at')

    http_method_names = ['get', 'post', 'put', 'delete']

    def create(self, request, *args, **kwargs):
        """
        article create api method
        :param request:
        :param args:
        :param kwargs:
        :return: success message
        """
        serializer = self.serializer_class(data=request.data)
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return custom_response(SUCCESS_CODE["3027"])

    def update(self, request, *args, **kwargs):
        """
        article update api method
        :param request:
        :param args:
        :param kwargs:
        :return: success message
        """
        article = self.queryset.filter(id=kwargs['pk']).first()
        serializer = self.serializer_class(article, data=request.data)
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return custom_response(SUCCESS_CODE["3028"])

    def list(self, request, *args, **kwargs):
        """
        article list api method
        :param request:
        :param args:
        :param kwargs:
        :return: list of article
        """
        queryset = self.queryset.filter(is_deleted=False)
        paginator = self.pagination_class()
        paginated_queryset = paginator.paginate_queryset(queryset, request)
        serializer = self.serializer_class(paginated_queryset, many=True)
        return custom_response(None, data=serializer.data)

    def retrieve(self, request, *args, **kwargs):
        """
        article detail api method
        :param request:
        :param args:
        :param kwargs:
        :return: article detail data
        """
        queryset = self.queryset.filter(id=kwargs['pk'], is_deleted=False)
        serializer = self.serializer_class(queryset, many=True)
        return custom_response(None, data=serializer.data)

    def destroy(self, request, *args, **kwargs):
        """
        article delete (soft delete) api method
        :param request:
        :param args:
        :param kwargs:
        :return: success message
        """
        article = self.queryset.filter(id=kwargs['pk']).update(is_deleted=True)
        if article:
            return custom_response(SUCCESS_CODE["3029"])
        return custom_error_response(ERROR_CODE["2041"], status.HTTP_400_BAD_REQUEST)

    @action(methods=['get'], url_name='', url_path='', detail=False)
    def search_article(self, request):
        """
        article search api method
        :param request:
        :return: searched article
        """
        search = request.GET.get('search')
        queryset = self.queryset.filter(title__icontains=search)
        paginator = self.pagination_class()
        paginated_queryset = paginator.paginate_queryset(queryset, request)
        serializer = self.serializer_class(paginated_queryset, many=True)
        return custom_response(None, data=serializer.data)

    @action(methods=['get'], url_name='remove_card', url_path='remove_card',
            detail=True, serializer_class=None)
    def remove_article_card(self, request, *args, **kwargs):
        """
        article card remove (delete) api method
        :param request:
        :param args:
        :param kwargs:
        :return: success message
        """
        try:
            ArticleCard.objects.filter(id=kwargs['pk']).first().delete()
            return custom_response(SUCCESS_CODE["3030"])
        except AttributeError:
            return custom_error_response(ERROR_CODE["2042"], response_status=status.HTTP_400_BAD_REQUEST)

    @action(methods=['get'], url_name='remove_survey', url_path='remove_survey',
            detail=True, serializer_class=None)
    def remove_article_survey(self, request, *args, **kwargs):
        """
        article survey remove (delete) api method
        :param request:
        :param args:
        :param kwargs:
        :return: success message
        """
        try:
            ArticleSurvey.objects.filter(id=kwargs['pk']).first().delete()
            return custom_response(SUCCESS_CODE["3031"])
        except AttributeError:
            return custom_error_response(ERROR_CODE["2043"], response_status=status.HTTP_400_BAD_REQUEST)