import logging
from .. import database

logger = logging.getLogger(__name__)


def check_invoices_for_orders(id_comanda_list: list) -> dict:
    """Check which orders have been invoiced in Oracle (vanzari table).
    Returns {id_comanda: {facturat, numar_act, serie_act, total_fara_tva, total_tva, total_cu_tva}}
    """
    if not id_comanda_list or database.pool is None:
        return {}

    result = {}
    conn = database.get_oracle_connection()
    try:
        with conn.cursor() as cur:
            for i in range(0, len(id_comanda_list), 500):
                batch = id_comanda_list[i:i+500]
                placeholders = ",".join([f":c{j}" for j in range(len(batch))])
                params = {f"c{j}": cid for j, cid in enumerate(batch)}

                cur.execute(f"""
                    SELECT id_comanda, numar_act, serie_act,
                           total_fara_tva, total_tva, total_cu_tva
                    FROM vanzari
                    WHERE id_comanda IN ({placeholders}) AND sters = 0
                """, params)
                for row in cur:
                    result[row[0]] = {
                        "facturat": True,
                        "numar_act": row[1],
                        "serie_act": row[2],
                        "total_fara_tva": float(row[3]) if row[3] else 0,
                        "total_tva": float(row[4]) if row[4] else 0,
                        "total_cu_tva": float(row[5]) if row[5] else 0,
                    }
    except Exception as e:
        logger.warning(f"Invoice check failed (table may not exist): {e}")
    finally:
        database.pool.release(conn)

    return result