import { INSTANCE_SETTINGS_ID, REGISTRATION_MODES, type RegistrationMode } from '../../drizzle/schema';
import { db } from '../lib/db';

/**
 * DISABLE_SIGNUP in the environment wins over whatever admins pick in the UI,
 * so a deployment that was locked down this way stays locked down.
 */
export const isRegistrationLocked = (): boolean => {
    const value = process.env.DISABLE_SIGNUP?.toLowerCase();

    return value === 'true' || value === '1';
};

export const getRegistrationMode = async (): Promise<RegistrationMode> => {
    if (isRegistrationLocked()) return 'closed';

    const row = await db.query.instanceSettings.findFirst({
        where: {
            id: INSTANCE_SETTINGS_ID,
        },
    });

    const mode = row?.registration;

    // instances that never touched the setting keep taking sign ups like before
    return mode !== undefined && REGISTRATION_MODES.includes(mode) ? mode : 'open';
};