Mashape/mockbin

const debug = require("debug")("mockbin");

module.exports = (client) => (req, res, next) => {
    // compoundId allows us to provide paths in the id to resolve to a specific bin
    const compoundId = req.params.uuid + req.params[0];
    client.get(`bin:${compoundId}`, function (err, value) {
        if (err) {
            debug(err);

            throw err;
        }

        if (value) {
            const har = JSON.parse(value);

            // log interaction & send the appropriate response based on HAR
            client.rpush(`log:${compoundId}`, JSON.stringify(req.har.log.entries[0]));
            client.ltrim(`log:${compoundId}`, 0, 100);

            // headers
            har.headers.map((header) => {
                res.set(header.name, header.value);
            });

            // cookies
            har.cookies.map((cookie) => {
                res.cookie(cookie.name, cookie.value);
            });

            // status
            res.httpVersion = har.httpVersion.split("/")[1];
            res.statusCode = har.status || 200;
            res.statusMessage = har.statusText || "OK";

            // special condition
            if (har.redirectURL !== "") {
                res.location(har.redirectURL);
            }

            return res.send(har.content.text ? har.content.text : null);
        }

        next();
    });
};