from __future__ import annotations

import asyncio

from fastapi import APIRouter, WebSocket, WebSocketDisconnect

from app.core.dependencies import app_state

websocket_router = APIRouter()


@websocket_router.websocket("/ws/live")
async def live_socket(websocket: WebSocket) -> None:
    await websocket.accept()
    try:
        while True:
            await websocket.send_json(
                {
                    "engine": app_state.engine.snapshot(),
                    "telemetry": app_state.telemetry.snapshot(len(app_state.triggers.queue)),
                    "bpm": app_state.bpm.snapshot(),
                    "queue": app_state.triggers.snapshot(),
                }
            )
            await asyncio.sleep(0.1)
    except WebSocketDisconnect:
        return