from rest_framework.decorators import api_view
from rest_framework.response import Response
from rest_framework import status

from django.http import Http404

from apps.goods.models import *
from apps.goods.serializers import *


@api_view(['GET', 'POST', 'PUT', 'DELETE'])
def goods_list(request, *args, **kwargs):
    if request.method == 'GET':
        # 获取数据
        print(args)
        print(kwargs)
        print(request.query_params)
        if _id := request.query_params.get('id'):
            goods = Goods.objects.filter(id=_id)
        else:
            goods = Goods.objects.all()[:10]
        # 序列化
        goods_json = GoodsSerializers(goods, many=True)
        print(goods_json.data)
        return Response(goods_json.data)
    elif request.method == 'POST':
        data = request.data
        print(data)
        serializer_data = GoodsSerializers(data=data, many=False)
        if serializer_data.is_valid():
            goods = serializer_data.save()
            return Response(serializer_data.data, status=status.HTTP_201_CREATED)
        else:
            return Response(serializer_data.errors, status=status.HTTP_400_BAD_REQUEST)
    elif request.method == 'PUT':
        data = request.data
        print(data)
        try:
            goods = Goods.objects.get(id=kwargs.get('id'))
        except Goods.DoesNotExist:
            raise Http404
        serializer_data = GoodsSerializers(goods, data=data, context={'request': request})
        if serializer_data.is_valid():
            goods = serializer_data.save()
            return Response(serializer_data.data)
        else:
            return Response(serializer_data.errors, status=status.HTTP_400_BAD_REQUEST)
    elif request.method == 'DELETE':
        goods = Goods.objects.filter(id=kwargs.get('id'))
        goods.delete()
        return Response(status=status.HTTP_204_NO_CONTENT)