import os
from dotenv import load_dotenv
import cx_Oracle


print("cx_Oracle version:", cx_Oracle.__version__)
print("Oracle Client version:", cx_Oracle.clientversion())

load_dotenv()

user = os.getenv("DB_USER")
password = os.getenv("DB_PASSWORD")
host = os.getenv("DB_HOST")
port = os.getenv("DB_PORT", "1521")
sid = os.getenv("DB_SID")

dsn = cx_Oracle.makedsn(host, port, sid=sid)

try:
    connection = cx_Oracle.connect(user=user, password=password, dsn=dsn)
    cursor = connection.cursor()
    cursor.execute("SELECT CODIGO_PERSONAL FROM FPERSONA WHERE APELLIDO1 LIKE '%ALFARO%'")

    for row in cursor:
        print(row)

    cursor.close()
    connection.close()
except cx_Oracle.DatabaseError as e:
    print(f"Error de conexión: {e}")