Mashape/mockbin

const compression = require("compression");
const cookieParser = require("cookie-parser");
const debug = require("debug")("mockbin");
const express = require("express");
const methodOverride = require("method-override");
const morgan = require("morgan");
const path = require("node:path");
const router = require("../lib");

module.exports = (options, done) => {
    if (!options) {
        throw Error("missing options");
    }

    debug("system started with options: %j", options);

    // setup ExpressJS
    const app = express();

    app.enable("view cache");
    app.enable("trust proxy");
    app.set("view engine", "pug");
    app.set("views", path.join(__dirname, "views"));
    app.set("jsonp callback name", "__callback");

    // add 3rd party middlewares
    app.use(compression());
    app.use(cookieParser());
    app.use(methodOverride("__method"));
    app.use(methodOverride("X-HTTP-Method-Override"));
    app.use("/static", express.static(path.join(__dirname, "static")));

    app.use(
        morgan("dev", {
            skip: (req, res) =>
                req.baseUrl === "/healthcheck" ||
                (options.quiet === "true" && res.statusCode < 400),
        }),
    );

    // magic starts here
    app.use("/", router(options));
    app.use("/healthcheck", (req, res) => {
        res.set({ "Content-Type": "application/json; charset=utf-8" });
        res.send(
            JSON.stringify(
                {
                    name: process.env.npm_package_name,
                    version: process.env.npm_package_version,
                    uptimeSeconds: process.uptime(),
                    memory: process.memoryUsage(),
                    pid: process.pid,
                    versions: process.versions,
                },
                null,
                2,
            ),
        );
    });

    app.listen(options.port);

    if (typeof done === "function") {
        done();
    }
};