from sqlalchemy import create_engine, event
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from app.core.config import settings

engine = create_engine(
    settings.DATABASE_URL,
    pool_pre_ping=True,
    echo=settings.ENVIRONMENT == "development",
    connect_args={"options": "-c timezone=Atlantic/Canary"}
)

# Configurar zona horaria al conectar
@event.listens_for(engine, "connect")
def set_timezone(dbapi_conn, connection_record):
    cursor = dbapi_conn.cursor()
    cursor.execute("SET TIME ZONE 'Atlantic/Canary';")
    cursor.close()

SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

Base = declarative_base()

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