import { HttpError } from '../services/HttpService.tsx';
import { contextTakenNotice } from './contextTakenNotice';

/**
 * A refused video start or join, as the server's own sentence rather than "Request failed:" around it. Only a
 * refusal our handlers wrote (a `code` beside a `message`, no gateway error type) is read this way; anything
 * else returns `undefined`, so a lost connection still reads as one.
 */
export const videoRefusalNotice = (error: unknown, context?: string): string | undefined => {
    const taken = contextTakenNotice(error, context);
    if (taken) return taken;
    if (!(error instanceof HttpError) || error.awsErrorType) return undefined;
    const body = error.body as { code?: unknown; message?: unknown } | undefined;
    if (typeof body?.code !== 'string' || typeof body.message !== 'string') return undefined;
    return body.message.trim() || undefined;
};

/** The code of a refusal our handlers wrote, read the same way as its sentence; undefined for anything else. */
export const refusalCode = (error: unknown): string | undefined => {
    if (!(error instanceof HttpError) || error.awsErrorType) return undefined;
    const code = (error.body as { code?: unknown } | undefined)?.code;
    return typeof code === 'string' ? code : undefined;
};