from django_core.mixins import BaseViewSetMixin  # type: ignore
from django.contrib.auth import get_user_model

from drf_spectacular.utils import extend_schema

from rest_framework.permissions import AllowAny, IsAdminUser  # type: ignore
from rest_framework.viewsets import ModelViewSet  # 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.utils.views import BaseApiViewMixin
from core.apps.companies.permissions import IsCompanyAccount
from core.apps.companies.models import CompanyModel, CompanyFolderModel, CompanyAccountModel
from core.apps.companies.serializers import (
    CreateCompanySerializer,
    ListCompanySerializer,
    RetrieveCompanySerializer,
    UpdateCompanySerializer,
    DestroyCompanySerializer,

    RetrieveCompanyAccountSerializer,

    RetrieveCompanyFolderSerializer,
    CreateFolderForCompanySerializer,
)
from core.apps.contracts.serializers import (
    RetrieveContractSerializer,
    BaseContractSerializer,
)
from core.apps.contracts.models import ContractModel


UserModel = get_user_model()


######################################################################
# Crud
######################################################################
@extend_schema(tags=["Company"])
class CompanyCrudViewSet(BaseViewSetMixin, ModelViewSet):
    queryset = CompanyModel.objects.all()
    serializer_class = ListCompanySerializer
    permission_classes = [AllowAny]

    action_permission_classes = {
        "list": [IsAdminUser],
        "retrieve": [IsAdminUser],
        "create": [IsAdminUser],
        "update": [IsAdminUser],
        "destroy": [IsAdminUser],
    }
    action_serializer_class = {  # type: ignore
        "list": ListCompanySerializer,
        "retrieve": RetrieveCompanySerializer,
        "create": CreateCompanySerializer,
        "update": UpdateCompanySerializer,
        "destroy": DestroyCompanySerializer,
    }


######################################################################
# company/<uuid:pk>/contract 
######################################################################
@extend_schema(tags=["Company Contracts"])
class CompanyContractApiView(BaseApiViewMixin, GenericAPIView):  # type: ignore
    queryset = CompanyModel.objects.all()
    permission_classes = [IsCompanyAccount]
    serializer_class = BaseContractSerializer

    method_permission_classes = {
        "get": [IsCompanyAccount],
    }
    method_serializer_class = {
        "get": RetrieveContractSerializer,
    }

    #! TODO: status should be added.
    @extend_schema(
        summary="Company Contracts",
        description="Get List Company Contracts"
    )
    def get(
        self,
        request: HttpRequest,
        *args: object, 
        **kwargs: object,
    ) -> Response:
        company = self.get_object()
        contracts = ContractModel.objects.filter(
            owners__legal_entity__phone=company.phone,
        ).distinct()

        folders_param = request.data.get("folders")
        if folders_param:
            folder_ids = folders_param.split(",")
            contracts = contracts.filter(folders__id__in=folder_ids)

        serializer = self.get_serializer(instance=contracts, many=True)  # type: ignore
        return Response(serializer.data, status=status.HTTP_200_OK)


######################################################################
# company/<uuid:pk>/accounts
######################################################################
@extend_schema(tags=["Company Accounts"])
class CompanyAccountApiView(BaseApiViewMixin, GenericAPIView):  # type: ignore
    queryset = CompanyModel.objects.all()
    serializer_class = RetrieveCompanyAccountSerializer
    permission_classes = [IsCompanyAccount]

    method_serializer_class = {
        "get": RetrieveCompanyAccountSerializer
    }
    method_permission_classes = {
        "get": [IsCompanyAccount]
    }

    @extend_schema(
        summary="List company accounts",
        description="List Company Accounts"
    )
    def get(self, *args: object, **kwargs: object) -> Response:
        company = self.get_object()
        accounts = CompanyAccountModel.objects.filter(company=company)
        ser = self.get_serializer(instance=accounts, many=True)  # type: ignore
        return Response(data=ser.data, status=status.HTTP_200_OK)


######################################################################
# company/<uuid:pk>/folders
######################################################################
@extend_schema(tags=["Company Folders"])
class CompanyFolderApiView(BaseApiViewMixin, GenericAPIView):  # type: ignore
    queryset = CompanyModel.objects.all()
    permission_classes = [IsCompanyAccount]

    method_serializer_class = {
        "get": RetrieveCompanyFolderSerializer,
        "post": CreateFolderForCompanySerializer,
    }
    method_permission_classes = {
        "get": [IsCompanyAccount],
        "get": [IsCompanyAccount],
    }

    @extend_schema(
        summary="List Company Folders",
        description="List Company Folders",
    )
    def get(self, *args: object, **kwargs: object) -> Response:
        company = self.get_object()
        folders = CompanyFolderModel.objects.filter(company=company)
        serializer = self.get_serializer(instance=folders, many=True)
        return Response(serializer.data, status=status.HTTP_200_OK)

    @extend_schema(
        summary="Create Folder for Company",
        description="Create Folder for Company",
    )
    def post(self, request: HttpRequest, *args: object, **kwargs: object):
        company = self.get_object()
        serializer = self.get_serializer(data=request.data, context={"company_id": company.pk})
        serializer.is_valid(raise_exception=True)
        serializer.save()
        return Response(serializer.data, status=status.HTTP_201_CREATED)