# from fastapi import (
#     APIRouter,
#     UploadFile,
#     File,
#     Response,
#     Header,
#     HTTPException,
#     Depends,
# )

# from fastapi.security import (
#     HTTPBearer,
#     HTTPAuthorizationCredentials,
# )

# from fastapi.concurrency import run_in_threadpool

# from app.utils.jwt import verify_access_token

# from app.modules.enhanceImage.service import (
#     enhance_image_service
# )

# from app.modules.device_limit.device_limit_repository import (
#     DeviceLimitRepository
# )

# from app.modules.user_subscription.user_subscription_service import (
#     UserSubscriptionService
# )

# router = APIRouter()

# security = HTTPBearer(auto_error=False)

# limit_repo = DeviceLimitRepository()

# subscription_service = UserSubscriptionService()


# @router.post("/enhance-4k")
# async def enhance_4k(

#     file: UploadFile = File(...),

#     device_id: str = Header(
#         ...,
#         alias="X-Device-Id"
#     ),

#     credentials: HTTPAuthorizationCredentials = Depends(
#         security
#     )
# ):

#     premium_user = False

#     if credentials:

#         token = credentials.credentials

#         payload = verify_access_token(token)

#         if payload:

#             premium_user = await subscription_service.has_active_subscription(
#                 payload["_id"]
#             )

#     if not premium_user:

#         allowed = await limit_repo.check_and_increment_limit(
#             device_id
#         )

#         if not allowed:

#             raise HTTPException(
#                 status_code=403,
#                 detail={
#                     "success": False,
#                     "trigger_subscription": True,
#                     "message": "Daily limit reached"
#                 }
#             )

#     image_bytes = await file.read()

#     enhanced_image = await run_in_threadpool(

#         enhance_image_service,

#         image_bytes

#     )

#     return Response(

#         content=enhanced_image,

#         media_type="image/png"

#     )
    
    
    
    
    










import logging

from fastapi import (
    APIRouter,
    UploadFile,
    File,
    Response,
    Header,
    HTTPException,
    Depends
)

from fastapi.security import (
    HTTPBearer,
    HTTPAuthorizationCredentials
)

from fastapi.concurrency import run_in_threadpool

from app.utils.jwt import verify_access_token

from app.modules.enhanceImage.service import (
    enhance_image_service
)

from app.modules.device_limit.device_limit_repository import (
    DeviceLimitRepository
)

from app.modules.user_subscription.user_subscription_service import (
    UserSubscriptionService
)

router = APIRouter()

logger = logging.getLogger(__name__)

security = HTTPBearer(auto_error=False)

limit_repo = DeviceLimitRepository()

subscription_service = UserSubscriptionService()


@router.post("/enhance-4k")
async def enhance_image(

    file: UploadFile = File(...),

    device_id: str = Header(
        ...,
        alias="X-Device-Id"
    ),

    credentials: HTTPAuthorizationCredentials = Depends(
        security
    )

):

    import time

    start = time.perf_counter()

    premium_user = False

    # =====================================
    # Premium Check
    # =====================================

    if credentials:

        token = credentials.credentials

        payload = verify_access_token(token)

        if payload:

            premium_user = await subscription_service.has_active_subscription(
                payload["_id"]
            )

    # =====================================
    # Daily Limit
    # =====================================

    if not premium_user:

        allowed = await limit_repo.check_and_increment_limit(
            device_id
        )

        if not allowed:

            raise HTTPException(

                status_code=403,

                detail={

                    "success": False,

                    "trigger_subscription": True,

                    "message": "Daily limit reached"

                }

            )

    # =====================================
    # Read Image
    # =====================================

    image_bytes = await file.read()

    # =====================================
    # AI Processing
    # =====================================

    enhanced = await run_in_threadpool(

        enhance_image_service,

        image_bytes

    )

    total = round(

        time.perf_counter() - start,

        2

    )

    logger.info(
        f"Enhancement Completed in {total} sec"
    )

    return Response(

        content=enhanced,

        media_type="image/png"

    )