from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session
from backend.db.session import SessionLocal
from backend.core.cross_universe_analysis import CrossUniverseAnalyzer
from backend.api.auth import get_api_key
from backend.core.logging_config import get_logger

router = APIRouter()
logger = get_logger("analysis_routes")

def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()

@router.post("/analysis/cross_universe")
def cross_universe_analysis(universe_ids: list[int], db: Session = Depends(get_db), api_key: str = Depends(get_api_key)):
    try:
        analyzer = CrossUniverseAnalyzer(db)
        result = analyzer.analyze(universe_ids)
        logger.info(f"Cross-universe analysis: universes={universe_ids}, result={result}")
        return result
    except Exception as e:
        logger.error(f"Analysis error: {e}")
        raise HTTPException(status_code=500, detail=str(e))