import uuid

from drf_spectacular.utils import extend_schema

from rest_framework.viewsets import GenericViewSet  # type: ignore
from rest_framework.decorators import action  # type: ignore
from rest_framework import status  # type: ignore
from rest_framework.request import HttpRequest  # type: ignore
from rest_framework.response import Response  # type: ignore
from rest_framework.permissions import (  # type: ignore
    IsAdminUser,
)
from django_core.mixins import BaseViewSetMixin

from rest_framework.generics import get_object_or_404  # type: ignore
from django.contrib.auth import get_user_model
from django.db import transaction


from core.apps.companies.serializers import (
    CreateCompanySerializer,
    RetrieveCompanySerializer
)
from core.apps.companies.models import (
    CompanyModel,
    CompanyAccountModel,
)

UserModel = get_user_model()


class UserCompaniesView(BaseViewSetMixin, GenericViewSet):
    permission_classes = [IsAdminUser]

    action_permission_classes = {}
    action_permission_classes = {
        "list_company": RetrieveCompanySerializer,
        "create_company": CreateCompanySerializer,
    }

    @extend_schema(
        summary="Get list of companies",
        description="Get list of companies",
    )
    @action(url_path="companies", detail=True, methods=["GET"])
    def list_company(
        self,
        request: HttpRequest,
        pk: uuid.UUID,
        *args: object,
        **kwargs: object,
    ) -> Response:
        
        companies = CompanyModel.objects.filter(accounts__user__pk=pk)
        return Response(
            data=RetrieveCompanySerializer(instance=companies, many=True),
            status=status.HTTP_200_OK
        )
    
    @extend_schema(
        summary="Create Company",
        description="Create Company",
    )
    @action(url_path="companies", detail=True, methods=["POST"])
    def create_company(
        self,
        request: HttpRequest,
        pk: uuid.UUID,
        *args: object,
        **kwargs: object,
    ) -> Response:

        with transaction.atomic():
            ser = CreateCompanySerializer(data=request.data)  # type: ignore
            ser.is_valid(raise_exception=True)
            company = ser.save()  # type: ignore

            user = get_object_or_404(UserModel, pk=pk)

            account = CompanyAccountModel(company=company, user=user)
            account.save()

        return Response(data=ser.data, status=status.HTTP_201_CREATED)