import asyncpg


async def ensure_app_settings(pool: asyncpg.Pool) -> None:
    await pool.execute(
        """
        CREATE TABLE IF NOT EXISTS app_settings (
            key text PRIMARY KEY,
            value text NOT NULL,
            updated_at timestamptz NOT NULL DEFAULT now()
        );
        """
    )


async def get_turbo_mode(pool: asyncpg.Pool) -> bool:
    await ensure_app_settings(pool)
    raw = await pool.fetchval("SELECT value FROM app_settings WHERE key = 'turbo_mode'")
    return str(raw).lower() in {"1", "true", "yes", "on"}


async def set_turbo_mode(pool: asyncpg.Pool, enabled: bool) -> None:
    await ensure_app_settings(pool)
    await pool.execute(
        """
        INSERT INTO app_settings (key, value, updated_at)
        VALUES ('turbo_mode', $1, now())
        ON CONFLICT (key)
        DO UPDATE SET value = EXCLUDED.value, updated_at = now()
        """,
        "true" if enabled else "false",
    )