# Copyright (C) 2018-2025 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later

from api.viewsets import ReadProtectedModelViewSet
from django_filters.rest_framework import DjangoFilterBackend
from rest_framework.filters import SearchFilter
from rest_framework.views import APIView
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
from rest_framework import status
from django.views.decorators.csrf import csrf_exempt
from django.views.decorators.http import require_POST
from django.http import JsonResponse
import json

from .serializers import FamilySerializer, FamilyMembershipSerializer, ChallengeSerializer, AchievementSerializer
from ..models import Family, FamilyMembership, Challenge, Achievement


class FamilyViewSet(ReadProtectedModelViewSet):
    """
    REST API View set.
    The djangorestframework plugin will get all `Family` objects, serialize it to JSON with the given serializer,
    then render it on /api/family/family/
    """
    queryset = Family.objects.order_by('id')
    serializer_class = FamilySerializer
    filter_backends = [DjangoFilterBackend, SearchFilter]
    filterset_fields = ['name', ]
    search_fields = ['$name', ]


class FamilyMembershipViewSet(ReadProtectedModelViewSet):
    """
    REST API View set.
    The djangorestframework plugin will get all `FamilyMembership` objects, serialize it to JSON with the given serializer,
    then render it on /api/family/familymembership/
    """
    queryset = FamilyMembership.objects.order_by('id')
    serializer_class = FamilyMembershipSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter]
    filterset_fields = ['name', ]
    search_fields = ['$name', ]


class ChallengeViewSet(ReadProtectedModelViewSet):
    """
    REST API View set.
    The djangorestframework plugin will get all `Challenge` objects, serialize it to JSON with the given serializer,
    then render it on /api/family/challenge/
    """
    queryset = Challenge.objects.order_by('id')
    serializer_class = ChallengeSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter]
    filterset_fields = ['name', ]
    search_fields = ['$name', ]


class AchievementViewSet(ReadProtectedModelViewSet):
    """
    REST API View set.
    The djangorestframework plugin will get all `Achievement` objects, serialize it to JSON with the given serializer,
    then render it on /api/family/achievement/
    """
    queryset = Achievement.objects.order_by('id')
    serializer_class = AchievementSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter]
    filterset_fields = ['name', ]
    search_fields = ['$name', ]


class BatchAchievementsAPIView(APIView):
    permission_classes = [IsAuthenticated]
    def post(self, request, format=None):
        print("POST de la view spéciale")
        family_ids = request.data.get('families', [])
        challenge_ids = request.data.get('challenges', [])

        families = Family.objects.filter(id__in=family_ids)
        challenges = Challenge.objects.filter(id__in=challenge_ids)

        for family in families:
            for challenge in challenges:
                a = Achievement(family=family, challenge=challenge)
                a.save(update_score=False)

        for family in families:
            family.update_score()
        Family.update_ranking()

        return Response({'status': 'ok'}, status=status.HTTP_201_CREATED)