import json
from typing import Generic, Mapping, Optional, TypeVar, Union

import azure.functions as func

# Type for valid JSON-serializable values
JsonType = Union[list, tuple, dict, str, int, float, bool]
T = TypeVar("T", bound=JsonType)


class JsonResponse(func.HttpResponse, Generic[T]):
    def __init__(
        self,
        body: T,
        status_code: int = 200,
        headers: Optional[Mapping[str, str]] = None,
    ):
        headers = (headers or {}) | {"Content-Type": "application/json"}
        super().__init__(json.dumps(body), status_code=status_code, headers=headers, charset="utf-8")

    def json(self) -> T:
        """Get the original body that was passed to the response.

        Returns:
            The original body object, preserving its exact type.
        """
        return json.loads(self.get_body().decode("utf-8"))

@app.route(route="health")
def health(req: func.HttpRequest) -> site_monitor.func.JsonResponse:
    """Health check endpoint that returns initialization status."""
    return site_monitor.func.JsonResponse(
        {
            "status": "healthy",
            "initialized": init_event.is_set(),
            "healthy": True,
            "uptime_seconds": int(time.monotonic() - startup_time),
        },
    )

[2025-06-01T13:52:36.579Z] Indexed function app and found 2 functions
[2025-06-01T13:52:36.589Z] Worker failed to index functions
[2025-06-01T13:52:36.590Z] Result: Failure
Exception: AttributeError: 'NoneType' object has no attribute '__name__'
Stack:   File "C:\Devel\bin\node-v22.15.0-win-x64\node_modules\azure-functions-core-tools\bin\workers\python\3.12\WINDOWS\X64\azure_functions_worker\dispatcher.py", line 480, in _handle__functions_metadata_request
    self.load_function_metadata(
  File "C:\Devel\bin\node-v22.15.0-win-x64\node_modules\azure-functions-core-tools\bin\workers\python\3.12\WINDOWS\X64\azure_functions_worker\dispatcher.py", line 460, in load_function_metadata
    self.index_functions(function_path, function_app_directory)) \
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Devel\bin\node-v22.15.0-win-x64\node_modules\azure-functions-core-tools\bin\workers\python\3.12\WINDOWS\X64\azure_functions_worker\dispatcher.py", line 846, in index_functions
    loader.process_indexed_function(
  File "C:\Devel\bin\node-v22.15.0-win-x64\node_modules\azure-functions-core-tools\bin\workers\python\3.12\WINDOWS\X64\azure_functions_worker\loader.py", line 145, in process_indexed_function
    function_info = functions_registry.add_indexed_function(
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Devel\bin\node-v22.15.0-win-x64\node_modules\azure-functions-core-tools\bin\workers\python\3.12\WINDOWS\X64\azure_functions_worker\functions.py", line 457, in add_indexed_function
    self.get_function_return_type(annotations,
  File "C:\Devel\bin\node-v22.15.0-win-x64\node_modules\azure-functions-core-tools\bin\workers\python\3.12\WINDOWS\X64\azure_functions_worker\functions.py", line 275, in get_function_return_type
    return_anno).__name__ == 'Out':
                 ^^^^^^^^
.
[2025-06-01T13:52:36.595Z] 0 functions found (Worker)
[2025-06-01T13:52:36.602Z] 0 functions loaded