import logging
from decimal import Decimal

from rest_framework import viewsets

from suitablephones.models import Bluetooth, Camera, Device
from suitablephones.serializers import (BluetoothSerializer, CameraSerializer,
                                        DeviceSerializer, DeviceSerializerShort) 


# ViewSets define the view behavior.
class DeviceViewSet(viewsets.ModelViewSet):
    queryset = Device.objects.all()
    serializer_class = DeviceSerializerShort

    #http://url/api/devices?megapixel=3
    def get_queryset(self):
        name = self.request.query_params.get('name')
        megapixel = self.request.query_params.get('megapixel')
        size_in = self.request.query_params.get('size_in')
        resolution = self.request.query_params.get('resolution')
        screen_type = self.request.query_params.get('screen_type')
        #maintainers = self.request.query_params.getlist('maintainers')
        version = self.request.query_params.get('version')
        if name:
            self.queryset = self.queryset.filter(name__icontains=name)
        if megapixel:
            self.queryset = self.queryset.filter(cameras__megapixel__gt=Decimal(megapixel))
        if version:
            self.queryset = self.queryset.filter(versions__icontains=version)
        if size_in:
            self.queryset = self.queryset.filter(screen__size_in__lt=Decimal(size_in))
        if resolution:
            self.queryset = self.queryset.filter(screen__resolution__icontains=resolution)
        if screen_type:
            self.queryset = self.queryset.filter(screen__technology__icontains=screen_type)
        #if maintainers:
        self.queryset = self.queryset.filter(maintainers__len__gt=0)
        return self.queryset


    def get_cameras(self):
        return self.request.GET.getlist("cameras")


class BluetoothViewSet(viewsets.ModelViewSet):
    queryset = Bluetooth.objects.all()
    serializer_class = BluetoothSerializer


class CameraViewSet(viewsets.ModelViewSet):
    queryset = Camera.objects.all()
    serializer_class = CameraSerializer