#  Copyright 2026 zhaoxi826
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

from fastapi import APIRouter, WebSocket, WebSocketDisconnect
import ray
import asyncio

cluster_router = APIRouter(prefix="/api/v1/cluster", tags=["cluster"])

@cluster_router.websocket("/ws/state")
async def update_cluster_state(websocket: WebSocket):
    await websocket.accept()
    try:
        while True:
            nodes = ray.nodes()
            payload = [
                {
                    "node_id": node.get("NodeID"),
                    "node_name": node.get("NodeName"),
                    "alive": node.get("Alive"),
                    "resources": node.get("Resources", {}),
                    "remaining": node.get("RemainingResources", {})
                }
                for node in nodes
            ]
            await websocket.send_json(payload)
            await asyncio.sleep(10)
    except (WebSocketDisconnect, RuntimeError):
        pass