msa-django-nhn/nhn/views.py

"""
NHN Cloud API Views

REST API 엔드포인트 정의
"""

import logging

from rest_framework import status
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.permissions import AllowAny, IsAuthenticated
from drf_yasg.utils import swagger_auto_schema
from drf_yasg import openapi

from .serializers import (
    TokenRequestSerializer,
    TokenResponseSerializer,
    ComputeInstanceSerializer,
    VpcSerializer,
    SubnetSerializer,
    NksClusterSerializer,
    StorageContainerSerializer,
    ErrorResponseSerializer,
)
from .packages import NHNCloudToken, ApiCompute, ApiVpc, ApiNks, ApiStorageObject
from .packages.base import NHNCloudAPIError

logger = logging.getLogger(__name__)


# ==================== Common Headers ====================

region_header = openapi.Parameter(
    "X-NHN-Region",
    openapi.IN_HEADER,
    description="NHN Cloud 리전 (kr1: 판교, kr2: 평촌)",
    type=openapi.TYPE_STRING,
    default="kr2",
)

token_header = openapi.Parameter(
    "X-NHN-Token",
    openapi.IN_HEADER,
    description="NHN Cloud API 토큰",
    type=openapi.TYPE_STRING,
    required=True,
)

tenant_header = openapi.Parameter(
    "X-NHN-Tenant-ID",
    openapi.IN_HEADER,
    description="NHN Cloud 테넌트 ID",
    type=openapi.TYPE_STRING,
    required=True,
)


def get_nhn_headers(request):
    """요청 헤더에서 NHN Cloud 정보 추출"""
    headers = {
        "region": request.headers.get("X-NHN-Region", "kr2"),
        "token": request.headers.get("X-NHN-Token"),
        "tenant_id": request.headers.get("X-NHN-Tenant-ID"),
        "storage_account": request.headers.get("X-NHN-Storage-Account"),
    }
    # 토큰은 앞 8자리만 로깅 (보안)
    token_preview = headers["token"][:8] + "..." if headers["token"] else "None"
    logger.info(f"[Request Headers] region={headers['region']}, token={token_preview}, tenant_id={headers['tenant_id']}")
    return headers


# ==================== Token API ====================


class TokenCreateView(APIView):
    """토큰 생성 API"""

    authentication_classes = []  # 인증 완전히 건너뜀
    permission_classes = [AllowAny]

    @swagger_auto_schema(
        operation_summary="NHN Cloud API 토큰 생성",
        operation_description="NHN Cloud API 인증 토큰을 생성합니다.",
        request_body=TokenRequestSerializer,
        responses={
            200: TokenResponseSerializer,
            400: ErrorResponseSerializer,
            401: ErrorResponseSerializer,
        },
    )
    def post(self, request):
        logger.info(f"[Token] 토큰 생성 요청 수신 - client_ip={request.META.get('REMOTE_ADDR')}")

        serializer = TokenRequestSerializer(data=request.data)
        if not serializer.is_valid():
            logger.warning(f"[Token] 요청 데이터 유효성 검사 실패: {serializer.errors}")
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

        tenant_id = serializer.validated_data["tenant_id"]
        username = serializer.validated_data["username"]
        logger.info(f"[Token] 토큰 발급 시도 - tenant_id={tenant_id}, username={username}")

        try:
            token_manager = NHNCloudToken(
                tenant_id=tenant_id,
                username=username,
                password=serializer.validated_data["password"],
            )
            result = token_manager.create_token()

            token_preview = result.token[:8] + "..." if result.token else "None"
            logger.info(f"[Token] 토큰 발급 성공 - tenant_id={tenant_id}, token={token_preview}, expires_at={result.expires_at}")

            return Response(
                {
                    "token": result.token,
                    "tenant_id": result.tenant_id,
                    "expires_at": result.expires_at,
                },
                status=status.HTTP_200_OK,
            )
        except NHNCloudAPIError as e:
            logger.error(f"[Token] 토큰 발급 실패 - tenant_id={tenant_id}, username={username}, error={e.message}, code={e.code}")
            return Response(
                {"error": e.message, "code": e.code},
                status=status.HTTP_401_UNAUTHORIZED,
            )


# ==================== Compute API ====================


class ComputeFlavorListView(APIView):
    """Flavor 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="Flavor 목록 조회",
        manual_parameters=[region_header, token_header, tenant_header],
        responses={200: "Flavor 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiCompute(headers["region"], headers["tenant_id"], headers["token"])
            return Response(api.get_flavor_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class ComputeKeypairListView(APIView):
    """Keypair 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="Keypair 목록 조회",
        manual_parameters=[region_header, token_header, tenant_header],
        responses={200: "Keypair 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiCompute(headers["region"], headers["tenant_id"], headers["token"])
            return Response(api.get_keypair_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class ComputeImageListView(APIView):
    """이미지 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="이미지 목록 조회",
        manual_parameters=[region_header, token_header, tenant_header],
        responses={200: "이미지 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiCompute(headers["region"], headers["tenant_id"], headers["token"])
            return Response(api.get_image_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class ComputeInstanceListView(APIView):
    """인스턴스 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="인스턴스 목록 조회",
        manual_parameters=[region_header, token_header, tenant_header],
        responses={200: "인스턴스 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiCompute(headers["region"], headers["tenant_id"], headers["token"])
            # detail=true 파라미터로 상세 조회 여부 결정
            if request.query_params.get("detail", "true").lower() == "true":
                return Response(api.get_instance_list_detail())
            return Response(api.get_instance_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class ComputeInstanceDetailView(APIView):
    """인스턴스 상세/삭제 API"""

    @swagger_auto_schema(
        operation_summary="인스턴스 상세 조회",
        manual_parameters=[region_header, token_header, tenant_header],
        responses={200: "인스턴스 상세 정보"},
    )
    def get(self, request, server_id):
        headers = get_nhn_headers(request)
        try:
            api = ApiCompute(headers["region"], headers["tenant_id"], headers["token"])
            return Response(api.get_instance_info(server_id))
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)

    @swagger_auto_schema(
        operation_summary="인스턴스 삭제 (비동기)",
        manual_parameters=[region_header, token_header, tenant_header],
        responses={202: "작업 ID 반환"},
    )
    def delete(self, request, server_id):
        headers = get_nhn_headers(request)
        try:
            from .tasks import delete_instance_async

            task = delete_instance_async(
                region=headers["region"],
                tenant_id=headers["tenant_id"],
                token=headers["token"],
                server_id=server_id,
                server_name=request.query_params.get("name", ""),
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "인스턴스 삭제 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("인스턴스 삭제 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class ComputeInstanceCreateView(APIView):
    """인스턴스 생성 API (비동기)"""

    @swagger_auto_schema(
        operation_summary="인스턴스 생성 (비동기)",
        manual_parameters=[region_header, token_header, tenant_header],
        request_body=ComputeInstanceSerializer,
        responses={202: "작업 ID 반환"},
    )
    def post(self, request):
        headers = get_nhn_headers(request)
        serializer = ComputeInstanceSerializer(data=request.data)
        if not serializer.is_valid():
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

        try:
            from .tasks import create_instance_async

            # 비동기 작업 시작
            task = create_instance_async(
                region=headers["region"],
                tenant_id=headers["tenant_id"],
                token=headers["token"],
                instance_data=serializer.validated_data,
            )

            return Response(
                {
                    "task_id": str(task.id),
                    "status": task.status,
                    "message": "인스턴스 생성 작업이 시작되었습니다.",
                },
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("인스턴스 생성 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class ComputeInstanceActionView(APIView):
    """인스턴스 액션 API (시작/정지/재부팅) - 비동기"""

    @swagger_auto_schema(
        operation_summary="인스턴스 액션 (start/stop/reboot) - 비동기",
        manual_parameters=[region_header, token_header, tenant_header],
        request_body=openapi.Schema(
            type=openapi.TYPE_OBJECT,
            properties={
                "action": openapi.Schema(
                    type=openapi.TYPE_STRING,
                    enum=["start", "stop", "reboot"],
                    description="액션 타입",
                ),
            },
            required=["action"],
        ),
        responses={202: "작업 ID 반환"},
    )
    def post(self, request, server_id):
        headers = get_nhn_headers(request)
        action = request.data.get("action")

        if action not in ["start", "stop", "reboot"]:
            return Response(
                {"error": "Invalid action. Use: start, stop, reboot"},
                status=status.HTTP_400_BAD_REQUEST,
            )

        try:
            from .tasks import instance_action_async

            task = instance_action_async(
                region=headers["region"],
                tenant_id=headers["tenant_id"],
                token=headers["token"],
                server_id=server_id,
                action=action,
                server_name=request.data.get("name", ""),
                hard=request.data.get("hard", False),
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "action": action, "message": f"인스턴스 {action} 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception(f"인스턴스 {action} 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


# ==================== VPC API ====================


class VpcListView(APIView):
    """VPC 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="VPC 목록 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "VPC 목록"},
    )
    def get(self, request):
        logger.info(f"[VPC] VPC 목록 조회 요청")
        headers = get_nhn_headers(request)
        try:
            api = ApiVpc(headers["region"], headers["token"])
            result = api.get_vpc_list()
            vpc_count = len(result.get("vpcs", []))
            logger.info(f"[VPC] VPC 목록 조회 성공 - count={vpc_count}")
            return Response(result)
        except NHNCloudAPIError as e:
            logger.error(f"[VPC] VPC 목록 조회 실패 - error={e.message}")
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class VpcCreateView(APIView):
    """VPC 생성 API (비동기)"""

    @swagger_auto_schema(
        operation_summary="VPC 생성 (비동기)",
        manual_parameters=[region_header, token_header],
        request_body=VpcSerializer,
        responses={202: "작업 ID 반환"},
    )
    def post(self, request):
        headers = get_nhn_headers(request)
        serializer = VpcSerializer(data=request.data)
        if not serializer.is_valid():
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

        try:
            from .tasks import create_vpc_async

            task = create_vpc_async(
                region=headers["region"],
                token=headers["token"],
                name=serializer.validated_data["name"],
                cidr=serializer.validated_data["cidr"],
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "VPC 생성 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("VPC 생성 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class VpcDetailView(APIView):
    """VPC 상세/삭제 API"""

    @swagger_auto_schema(
        operation_summary="VPC 상세 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "VPC 상세 정보"},
    )
    def get(self, request, vpc_id):
        logger.info(f"[VPC] VPC 상세 조회 요청 - vpc_id={vpc_id}")
        headers = get_nhn_headers(request)
        try:
            api = ApiVpc(headers["region"], headers["token"])
            result = api.get_vpc_info(vpc_id)
            vpc_name = result.get("vpc", {}).get("name", "unknown")
            logger.info(f"[VPC] VPC 상세 조회 성공 - vpc_id={vpc_id}, name={vpc_name}")
            return Response(result)
        except NHNCloudAPIError as e:
            logger.error(f"[VPC] VPC 상세 조회 실패 - vpc_id={vpc_id}, error={e.message}")
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)

    @swagger_auto_schema(
        operation_summary="VPC 삭제 (비동기)",
        manual_parameters=[region_header, token_header],
        responses={202: "작업 ID 반환"},
    )
    def delete(self, request, vpc_id):
        logger.info(f"[VPC] VPC 삭제 요청 - vpc_id={vpc_id}")
        headers = get_nhn_headers(request)
        try:
            from .tasks import delete_vpc_async

            task = delete_vpc_async(
                region=headers["region"],
                token=headers["token"],
                vpc_id=vpc_id,
                vpc_name=request.query_params.get("name", ""),
            )
            logger.info(f"[VPC] VPC 삭제 작업 시작 - vpc_id={vpc_id}, task_id={task.id}")
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "VPC 삭제 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception(f"[VPC] VPC 삭제 작업 시작 실패 - vpc_id={vpc_id}")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class SubnetListView(APIView):
    """서브넷 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="서브넷 목록 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "서브넷 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiVpc(headers["region"], headers["token"])
            return Response(api.get_subnet_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class SubnetCreateView(APIView):
    """서브넷 생성 API (비동기)"""

    @swagger_auto_schema(
        operation_summary="서브넷 생성 (비동기)",
        manual_parameters=[region_header, token_header],
        request_body=SubnetSerializer,
        responses={202: "작업 ID 반환"},
    )
    def post(self, request):
        headers = get_nhn_headers(request)
        serializer = SubnetSerializer(data=request.data)
        if not serializer.is_valid():
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

        try:
            from .tasks import create_subnet_async

            task = create_subnet_async(
                region=headers["region"],
                token=headers["token"],
                vpc_id=serializer.validated_data["vpc_id"],
                cidr=serializer.validated_data["cidr"],
                name=serializer.validated_data["name"],
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "서브넷 생성 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("서브넷 생성 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class SubnetDetailView(APIView):
    """서브넷 상세/삭제 API"""

    @swagger_auto_schema(
        operation_summary="서브넷 상세 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "서브넷 상세 정보"},
    )
    def get(self, request, subnet_id):
        headers = get_nhn_headers(request)
        try:
            api = ApiVpc(headers["region"], headers["token"])
            return Response(api.get_subnet_info(subnet_id))
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)

    @swagger_auto_schema(
        operation_summary="서브넷 삭제 (비동기)",
        manual_parameters=[region_header, token_header],
        responses={202: "작업 ID 반환"},
    )
    def delete(self, request, subnet_id):
        headers = get_nhn_headers(request)
        try:
            from .tasks import delete_subnet_async

            task = delete_subnet_async(
                region=headers["region"],
                token=headers["token"],
                subnet_id=subnet_id,
                subnet_name=request.query_params.get("name", ""),
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "서브넷 삭제 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("서브넷 삭제 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class FloatingIpListView(APIView):
    """Floating IP 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="Floating IP 목록 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "Floating IP 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiVpc(headers["region"], headers["token"])
            return Response(api.get_floating_ip_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


# ==================== Security Group API ====================


class SecurityGroupListView(APIView):
    """보안 그룹 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="보안 그룹 목록 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "보안 그룹 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiVpc(headers["region"], headers["token"])
            return Response(api.get_security_group_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


# ==================== Async Task API ====================


class AsyncTaskListView(APIView):
    """비동기 작업 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="비동기 작업 목록 조회",
        responses={200: "작업 목록"},
    )
    def get(self, request):
        from .models import AsyncTask

        # 최근 100개만 조회
        tasks = AsyncTask.objects.all()[:100]
        data = [
            {
                "id": str(task.id),
                "task_type": task.task_type,
                "status": task.status,
                "resource_name": task.resource_name,
                "resource_id": task.resource_id,
                "error_message": task.error_message,
                "created_at": task.created_at.isoformat(),
                "completed_at": task.completed_at.isoformat() if task.completed_at else None,
            }
            for task in tasks
        ]
        return Response({"tasks": data})


class AsyncTaskDetailView(APIView):
    """비동기 작업 상세 조회 API"""

    @swagger_auto_schema(
        operation_summary="비동기 작업 상태 조회",
        responses={200: "작업 상태"},
    )
    def get(self, request, task_id):
        from .models import AsyncTask

        try:
            task = AsyncTask.objects.get(id=task_id)
            return Response(
                {
                    "id": str(task.id),
                    "task_type": task.task_type,
                    "status": task.status,
                    "resource_name": task.resource_name,
                    "resource_id": task.resource_id,
                    "request_data": task.request_data,
                    "result_data": task.result_data,
                    "error_message": task.error_message,
                    "created_at": task.created_at.isoformat(),
                    "updated_at": task.updated_at.isoformat(),
                    "completed_at": task.completed_at.isoformat() if task.completed_at else None,
                }
            )
        except AsyncTask.DoesNotExist:
            return Response({"error": "작업을 찾을 수 없습니다."}, status=status.HTTP_404_NOT_FOUND)


# ==================== NKS API ====================


class NksClusterListView(APIView):
    """NKS 클러스터 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="NKS 클러스터 목록 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "클러스터 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiNks(headers["region"], headers["token"])
            return Response(api.get_cluster_list())
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class NksClusterDetailView(APIView):
    """NKS 클러스터 상세/삭제 API"""

    @swagger_auto_schema(
        operation_summary="NKS 클러스터 상세 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "클러스터 상세 정보"},
    )
    def get(self, request, cluster_name):
        headers = get_nhn_headers(request)
        try:
            api = ApiNks(headers["region"], headers["token"])
            return Response(api.get_cluster_info(cluster_name))
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)

    @swagger_auto_schema(
        operation_summary="NKS 클러스터 삭제 (비동기)",
        manual_parameters=[region_header, token_header],
        responses={202: "작업 ID 반환"},
    )
    def delete(self, request, cluster_name):
        headers = get_nhn_headers(request)
        try:
            from .tasks import delete_nks_cluster_async

            task = delete_nks_cluster_async(
                region=headers["region"],
                token=headers["token"],
                cluster_name=cluster_name,
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "NKS 클러스터 삭제 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("NKS 클러스터 삭제 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class NksClusterConfigView(APIView):
    """NKS 클러스터 kubeconfig 조회 API"""

    @swagger_auto_schema(
        operation_summary="NKS 클러스터 kubeconfig 조회",
        manual_parameters=[region_header, token_header],
        responses={200: "kubeconfig"},
    )
    def get(self, request, cluster_name):
        headers = get_nhn_headers(request)
        try:
            api = ApiNks(headers["region"], headers["token"])
            config = api.get_cluster_config(cluster_name)
            return Response({"config": config})
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class NksClusterCreateView(APIView):
    """NKS 클러스터 생성 API (비동기)"""

    @swagger_auto_schema(
        operation_summary="NKS 클러스터 생성 (비동기)",
        manual_parameters=[region_header, token_header, tenant_header],
        request_body=NksClusterSerializer,
        responses={202: "작업 ID 반환"},
    )
    def post(self, request):
        headers = get_nhn_headers(request)
        serializer = NksClusterSerializer(data=request.data)
        if not serializer.is_valid():
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

        try:
            from .tasks import create_nks_cluster_async

            task = create_nks_cluster_async(
                region=headers["region"],
                tenant_id=headers["tenant_id"],
                token=headers["token"],
                cluster_data=serializer.validated_data,
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "NKS 클러스터 생성 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("NKS 클러스터 생성 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


# ==================== Storage API ====================

storage_account_header = openapi.Parameter(
    "X-NHN-Storage-Account",
    openapi.IN_HEADER,
    description="NHN Cloud Object Storage 계정 (AUTH_...)",
    type=openapi.TYPE_STRING,
    required=True,
)


class StorageContainerListView(APIView):
    """스토리지 컨테이너 목록 조회 API"""

    @swagger_auto_schema(
        operation_summary="컨테이너 목록 조회",
        manual_parameters=[region_header, token_header, storage_account_header],
        responses={200: "컨테이너 목록"},
    )
    def get(self, request):
        headers = get_nhn_headers(request)
        try:
            api = ApiStorageObject(
                headers["region"], headers["token"], headers["storage_account"]
            )
            containers = api.get_container_list()
            return Response({"containers": containers})
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)


class StorageContainerCreateView(APIView):
    """스토리지 컨테이너 생성 API (비동기)"""

    @swagger_auto_schema(
        operation_summary="컨테이너 생성 (비동기)",
        manual_parameters=[region_header, token_header, storage_account_header],
        request_body=StorageContainerSerializer,
        responses={202: "작업 ID 반환"},
    )
    def post(self, request):
        headers = get_nhn_headers(request)
        serializer = StorageContainerSerializer(data=request.data)
        if not serializer.is_valid():
            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

        try:
            from .tasks import create_storage_container_async

            task = create_storage_container_async(
                region=headers["region"],
                token=headers["token"],
                storage_account=headers["storage_account"],
                container_name=serializer.validated_data["name"],
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "컨테이너 생성 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("컨테이너 생성 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)


class StorageContainerDetailView(APIView):
    """스토리지 컨테이너 상세/삭제 API"""

    @swagger_auto_schema(
        operation_summary="컨테이너 오브젝트 목록 조회",
        manual_parameters=[region_header, token_header, storage_account_header],
        responses={200: "오브젝트 목록"},
    )
    def get(self, request, container_name):
        headers = get_nhn_headers(request)
        try:
            api = ApiStorageObject(
                headers["region"], headers["token"], headers["storage_account"]
            )
            objects = api.get_object_list(container_name)
            return Response({"objects": objects})
        except NHNCloudAPIError as e:
            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)

    @swagger_auto_schema(
        operation_summary="컨테이너 삭제 (비동기)",
        manual_parameters=[region_header, token_header, storage_account_header],
        responses={202: "작업 ID 반환"},
    )
    def delete(self, request, container_name):
        headers = get_nhn_headers(request)
        try:
            from .tasks import delete_storage_container_async

            task = delete_storage_container_async(
                region=headers["region"],
                token=headers["token"],
                storage_account=headers["storage_account"],
                container_name=container_name,
            )
            return Response(
                {"task_id": str(task.id), "status": task.status, "message": "컨테이너 삭제 작업이 시작되었습니다."},
                status=status.HTTP_202_ACCEPTED,
            )
        except Exception as e:
            logger.exception("컨테이너 삭제 작업 시작 실패")
            return Response({"error": str(e)}, status=status.HTTP_400_BAD_REQUEST)