from fastapi import APIRouter, HTTPException
from app.models.schemas import SignalSnapshot
from app.services.signal_engine import compute_signals

router = APIRouter(prefix="/signals", tags=["signals"])


@router.get("/{ticker}", response_model=SignalSnapshot)
def get_signals(ticker: str):
    ticker = ticker.upper()
    snap = compute_signals(ticker)
    if snap is None:
        raise HTTPException(status_code=503, detail=f"Could not fetch market data for {ticker}")
    return snap