from rest_framework import viewsets, permissions, authentication
from rest_framework.response import Response
from jobposting.models import JobListing, SkillLevels, CompanyLogo, Skill
from core.models import MyUser, AnonymousUserData
from rest_framework import status
from jobposting.permissions import ClientCredentialPermission
from oauth2_provider.contrib.rest_framework import TokenHasReadWriteScope, OAuth2Authentication
from .auth import OAuth2ClientCredentialAuthentication
from rest_framework.views import APIView
import requests 
from django.conf import settings

from jobposting.serializers import (
    JobListingSerializer,
    SkillLevelsSerializer,
    MyUserSerializer,
    CompanyLogoSerializer,
    SkillSerializer
)

class MyUserViewSet(viewsets.ModelViewSet):
    authentication_classes = [OAuth2Authentication, authentication.SessionAuthentication]
    permission_classes = [permissions.IsAuthenticated|TokenHasReadWriteScope]
    queryset = MyUser.objects.all()
    serializer_class = MyUserSerializer
    required_scope  = ['main']
    # permission_classes = [permissions.IsAuthenticated]

class JobListingViewSet(viewsets.ModelViewSet):
    authentication_classes = [OAuth2Authentication, authentication.SessionAuthentication]
    permission_classes = [permissions.IsAuthenticated|TokenHasReadWriteScope] # test only
    queryset = JobListing.objects.all()
    serializer_class = JobListingSerializer
    required_scope  = ['main']

    # permission_classes = [permissions.IsAuthenticatedOrReadOnly]
    
    def perform_create(self, serializer):
        if self.request.user.is_authenticated:
            serializer.save(created_by=self.request.user)
        else:
            # Pobieranie danych z formularza
            first_name = self.request.data.get('first_name')
            last_name = self.request.data.get('last_name')
            contact_email = self.request.data.get('contact_email')

            # Tworzenie rekordu AnonymousUserData
            anonymous_user_data = AnonymousUserData.objects.create(
                first_name=first_name, 
                last_name=last_name, 
                contact_email=contact_email
            )

            serializer.save(anonymous_user_data=anonymous_user_data)

class SkillLevelsViewSet(viewsets.ModelViewSet):
    authentication_classes = [OAuth2Authentication, authentication.SessionAuthentication]
    permission_classes = [permissions.IsAuthenticated|TokenHasReadWriteScope] # test only
    queryset = SkillLevels.objects.all()
    serializer_class = SkillLevelsSerializer
    required_scope  = ['main']

    # permission_classes = [permissions.IsAuthenticatedOrReadOnly]

    def create(self, request, *args, **kwargs):
        data = request.data
        print(type(data))     
        if isinstance(data, list):  # Sprawdzenie, czy dane to lista
            serializers = [self.get_serializer(data=item) for item in data]
            for serializer in serializers:
                serializer.is_valid(raise_exception=True)
                self.perform_create(serializer)
            return Response([serializer.data for serializer in serializers], status=status.HTTP_201_CREATED)
        else:
            return super().create(request, *args, **kwargs)

class CompanyLogoViewSet(viewsets.ModelViewSet):
    authentication_classes = [OAuth2Authentication, authentication.SessionAuthentication]
    permission_classes = [permissions.IsAuthenticated|TokenHasReadWriteScope]
    queryset = CompanyLogo.objects.all()
    serializer_class = CompanyLogoSerializer
    required_scope  = ['main']


class SkillViewset(viewsets.ModelViewSet):
    authentication_classes = [OAuth2Authentication, authentication.SessionAuthentication]
    permission_classes = [permissions.IsAuthenticated|TokenHasReadWriteScope]
    queryset = Skill.objects.all()
    serializer_class = SkillSerializer
    required_scope  = ['main']

class GetAuthTokenView(APIView):
    def post(self, request):
        client_id = settings.OAUTH_CLIENT_ID
        client_secret = settings.OAUTH_CLIENT_SECRET
        data = {
            'grant_type': 'client_credentials',
            'client_id': client_id,
            'client_secret': client_secret,
        }
        response = requests.post('http://izaac.izaac.pl/token', data=data)
        return Response(response.json())