# coding=utf-8

from django.utils import timezone
from django.db import transaction
from django.db.models import F
from django.conf import settings
from rest_framework import generics, mixins
from rest_framework.views import APIView
from rest_framework.viewsets import GenericViewSet
from rest_framework.decorators import action
from rest_framework.exceptions import NotFound

from utils import response_ok
from utils.permission import IsCustomerUser
from utils.exceptions import CustomError
from .serializers import SeriesSerializer, ModelSerializer, ModelDetailSerializer
from apps.activity.models import Activity
from apps.vehicle.filters import SeriesFilter, ModelFilter
from apps.vehicle.models import Series, Model


class SeriesListViewSet(generics.ListAPIView):
    queryset = Series.objects.filter(enabled=True, delete=False)
    serializer_class = SeriesSerializer

    def filter_queryset(self, queryset):
        f = SeriesFilter(self.request.GET, queryset=queryset)
        return f.qs

    def list(self, request, *args, **kwargs):
        queryset = self.filter_queryset(self.get_queryset())
        serializer = self.get_serializer(queryset, many=True)
        return response_ok(serializer.data)


class ModelListViewSet(generics.ListAPIView):
    queryset = Model.objects.filter(enabled=True, delete=False)
    serializer_class = ModelSerializer

    def filter_queryset(self, queryset):
        f = ModelFilter(self.request.GET, queryset=queryset)
        return f.qs

    def list(self, request, *args, **kwargs):
        queryset = self.filter_queryset(self.get_queryset())
        serializer = self.get_serializer(queryset, many=True)
        return response_ok(serializer.data)


class ModelDetailViewSet(generics.ListAPIView):
    queryset = Model.objects.filter(enabled=True, delete=False)
    serializer_class = ModelDetailSerializer

    def retrieve(self, request, *args, **kwargs):
        id = request.GET.get('id')
        instance = self.queryset.filter(id=id).first()
        if not instance:
            raise CustomError(u'未找到相应的车辆！')
        serializer = self.get_serializer(instance)
        return response_ok(serializer.data)