import * as expressInterceptor from 'express-interceptor';

export const responseStatusInterceptor = expressInterceptor((req, res) => {
    const hasErrorCode = (status) => status >= 400;
    const intercept = (body, send) => {
        const error = hasErrorCode(res.statusCode);
        try {
            body = JSON.parse(body);
        } catch (e) {
            const text = body;
            body = {
                message: text,
            };
        }
        send(JSON.stringify({
            ...body,
            error,
        }));
    };

    const isInterceptable = () => {
        return !(res.get('Content-Type') === 'application/pdf' || res.get('Content-Type') === 'application/octet-stream');
    };

    return {
        isInterceptable,
        intercept,
    };
});