import type { TranslationKey } from '@rocket.chat/ui-contexts';

import { isJSON } from '../../../lib/utils/isJSON';

type CodeSettingValidator = (value: string) => TranslationKey | undefined;

const validatorsByMimeType: Record<string, CodeSettingValidator> = {
	'application/json': (value) => (value === '' || isJSON(value) ? undefined : 'Invalid_JSON'),
};

export const getCodeSettingError = (code: string | undefined, value: unknown): TranslationKey | undefined => {
	if (typeof value !== 'string' || code === undefined) {
		return undefined;
	}

	return validatorsByMimeType[code]?.(value);
};