from typing import cast

from django_core.mixins import BaseViewSetMixin  # type: ignore
from django.db import transaction
from drf_spectacular.utils import extend_schema
from rest_framework.decorators import action  # type: ignore
from rest_framework.permissions import AllowAny, IsAdminUser  # type: ignore
from rest_framework.viewsets import ModelViewSet, GenericViewSet  # type: ignore
from rest_framework.generics import GenericAPIView  # type: ignore
from rest_framework.request import HttpRequest  # type: ignore
from rest_framework.response import Response  # type: ignore
from rest_framework import status  # type: ignore

from core.apps.contracts.serializers.contracts import CreateContractSerializer
from core.apps.companies.permissions.folders import IsFolderOwner
from core.apps.companies.models import CompanyFolderModel
from core.apps.companies.serializers.folders import (
    CreateCompanyFolderSerializer,
    ListCompanyFolderSerializer,
    RetrieveCompanyFolderSerializer,
    UpdateCompanyFolderSerializer,
    DestroyCompanyFolderSerializer
)


######################################################################
# Crud
######################################################################
@extend_schema(tags=["CompanyFolder"])
class CompanyFolderCrudViewSet(BaseViewSetMixin, ModelViewSet):
    queryset = CompanyFolderModel.objects.all()
    permission_classes = [AllowAny]

    action_permission_classes = {  # type: ignore
        "list": [IsAdminUser],
        "retrieve": [IsAdminUser],
        "create": [IsAdminUser],
        "update": [IsAdminUser],
        "destroy": [IsAdminUser],
    }
    action_serializer_class = {  # type: ignore
        "list": ListCompanyFolderSerializer,
        "retrieve": RetrieveCompanyFolderSerializer,
        "create": CreateCompanyFolderSerializer,
        "update": UpdateCompanyFolderSerializer,
        "destroy": DestroyCompanyFolderSerializer,
    }


######################################################################
# /contract-folders/<uuid:pk>/contracts
######################################################################
class ContractFolderApiView(GenericAPIView):
    queryset = CompanyFolderModel.objects.all()
    permission_classes = [AllowAny]
    serializer_class = None

    def get_serializer_class(self):  # type: ignore
        if self.request.method == "POST":
            return CreateContractSerializer
        return self.serializer_class

    @extend_schema(
        summary="Create Contract For Folder",
        description="Create Contract For Folder",
    )
    @action(methods=["POST"], detail=True, url_path="contracts")
    def create_contract(self, request: HttpRequest, *args: object, **kwargs: object) -> Response:
        with transaction.atomic():
            folder = cast(CompanyFolderModel, self.get_object())
            ser = cast(CreateContractSerializer, self.get_serializer(data=request.data))  # type: ignore
            ser.is_valid(raise_exception=True)
            contract = ser.save()
            folder.contracts.add(contract)
        return Response(ser.data, status.HTTP_201_CREATED)