from fastapi import APIRouter, Depends, HTTPException
import traceback
from fastapi.responses import JSONResponse
from starlette.status import HTTP_500_INTERNAL_SERVER_ERROR
from app.notification.backend.application.notification_hub import NotificationHub
from pydantic import BaseModel
from app.notification.backend.models.constants import NotificationChannel
from typing import Dict

router = APIRouter()


# Define the request body schema
class NotificationRequest(BaseModel):
    sender_id: str
    channels: list[str]
    receiver_id: str
    subject: str
    event: str
    properties: Dict


# Web API
# Send notification to user for a certain channel
@router.post(
    "/send_notification",
    operation_id="send_notification",
    summary="Send notification to user for a certain channel",
    description="Send notification to user for a channel (e.g., sms, email, in-app, etc.)",
    response_description="Success/failure response in processing the notification send request",
)
# API route to enqueue notifications
@router.post("/send_notification")
async def send_notification(request: NotificationRequest):
    try:
        notification_hub = NotificationHub()
        await notification_hub.enqueue_notification(
            sender_id="freeleaps@freeleaps.com",
            channels=request.channels,
            receiver_id=request.receiver_id,
            subject=request.subject,
            event=request.event,
            properties=request.properties,
        )
        return JSONResponse(
            content={"message": "Notifications queued successfully."}, status_code=200
        )
    except ValueError as e:
        raise HTTPException(status_code=400, detail=str(e))
    except Exception as e:
        raise HTTPException(status_code=500, detail="Failed to enqueue notification")