from fastapi import APIRouter, HTTPException, Depends
from typing import Dict, Any

from services.reporting import generate_report
from sqlalchemy.orm import Session
from config.database import SessionLocal

router = APIRouter(prefix="/api/reporting", tags=["Reporting"])

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

@router.post("/summary", response_model=Dict[str, float])
async def summary_report(results: Any):
    # Expect a list of simulation result dicts
    if not isinstance(results, list):
        raise HTTPException(status_code=400, detail="Invalid input format")
    report = generate_report(results)
    return report