from sqlalchemy.engine import Engine


def dialect_name(engine: Engine) -> str:
    return engine.dialect.name


def is_sqlite(engine: Engine) -> bool:
    return dialect_name(engine) == "sqlite"


def is_postgresql(engine: Engine) -> bool:
    return dialect_name(engine) == "postgresql"


def bool_literal(engine: Engine, value: bool = False) -> str:
    if is_sqlite(engine):
        return "1" if value else "0"
    return "true" if value else "false"