from rest_framework.views import APIView
from apps.mall.models import FreightConfigManage
from utils.jsonResponse import SuccessResponse,ErrorResponse,DetailResponse
from utils.common import get_parameter_dic,formatdatetime
from django.db.models import Q,F,Sum,Count
from django.db import transaction
from rest_framework import serializers
from rest_framework_simplejwt.authentication import JWTAuthentication
from utils.serializers import CustomModelSerializer
from utils.viewset import CustomModelViewSet
from rest_framework.permissions import IsAuthenticated
from utils.pagination import CustomPagination
import json
import django_filters
import logging
logger = logging.getLogger(__name__)

class FreightConfigManageFilterset(django_filters.rest_framework.FilterSet):
    #开始时间
    beginAt = django_filters.DateTimeFilter(field_name='create_datetime', lookup_expr='gte')  # 指定过滤的字段
    #结束时间
    endAt = django_filters.DateTimeFilter(field_name='create_datetime', lookup_expr='lte')
    # 模糊搜索
    name = django_filters.CharFilter(field_name='region_name', lookup_expr='icontains')  # icontains表示该字段模糊搜索

    class Meta:
        model = FreightConfigManage
        fields = ['beginAt', 'endAt','name']


class FreightConfigManageSerializer(CustomModelSerializer):
        
    class Meta:
        model = FreightConfigManage
        read_only_fields = ["id"]
        fields = '__all__'

class FreightConfigManageViewSet(CustomModelViewSet):
    queryset = FreightConfigManage.objects.all().order_by("id")
    serializer_class = FreightConfigManageSerializer
    filterset_class = FreightConfigManageFilterset
    # search_fields = ("name",)

    #获取已选择区域，用于防止区域重复选择
    def getAllSelect(self,request):
        reqData = get_parameter_dic(request)
        id = reqData.get("id",None)
        queryset = FreightConfigManage.objects.filter(is_default=False)
        if id:
            queryset = queryset.exclude(id=id)
        areaList = queryset.values_list("area",flat=True)
        return DetailResponse(data=list(areaList))

    #重写delete方法，并改为逻辑删除
    # def destroy(self, request, *args, **kwargs):
    #     instance = self.get_object_list()
    #     for i in range(len(instance)):
    #         instance[i].is_delete = True
    #     model = self.get_serializer().Meta.model
    #     model.objects.bulk_update(instance,fields=['is_delete'])
    #     return DetailResponse(msg="删除成功")