import { KNOWN_CONFIG_KEYS } from "#server/service/config/registry";
import type { KnownConfigKey, KnownConfigValue } from "#server/service/config/registry";

const PUBLIC_GLOBAL_CONFIG_KEYS = ["siteName", "allowRegister"] as const satisfies readonly KnownConfigKey[];
const SECRET_MASKED_GLOBAL_CONFIG_KEYS = new Set<KnownConfigKey>(["commentSmtpPass"]);

export default defineWrappedResponseHandler(async (event) => {
    const user = await event.context.auth.getCurrent();
    const isAdmin = user?.role === "admin";
    const keys: readonly KnownConfigKey[] = isAdmin ? KNOWN_CONFIG_KEYS : PUBLIC_GLOBAL_CONFIG_KEYS;

    const entries = await Promise.all(
        keys.map(async (key) => {
            const value = await event.context.config.getGlobal(key);
            const safeValue =
                SECRET_MASKED_GLOBAL_CONFIG_KEYS.has(key)
                    ? ""
                    : value;
            return [key, safeValue] as const satisfies [KnownConfigKey, KnownConfigValue<KnownConfigKey>];
        }),
    );

    const config = Object.fromEntries(entries);
    if (!isAdmin) {
        return R.success({ config });
    }

    const smtpPassRaw = await event.context.config.getGlobal("commentSmtpPass");
    const commentSmtpPassConfigured = typeof smtpPassRaw === "string" && smtpPassRaw.trim().length > 0;

    return R.success({
        config: {
            ...config,
            commentSmtpPassConfigured,
        },
    });
});