/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const Metrics    = require("metrics-sharelatex");
Metrics.initialize("contacts");

const Settings   = require("settings-sharelatex");
const logger     = require("logger-sharelatex");
const express    = require("express");
const bodyParser = require("body-parser");
const Errors     = require("./app/js/Errors");
const HttpController = require("./app/js/HttpController");

const Path       = require("path");


logger.initialize("contacts");
if (Metrics.event_loop != null) {
	Metrics.event_loop.monitor(logger);
}

const app = express();

app.use(Metrics.http.monitor(logger));

Metrics.injectMetricsRoute(app);

app.get('/user/:user_id/contacts', HttpController.getContacts);
app.post('/user/:user_id/contacts', bodyParser.json({limit: "2mb"}), HttpController.addContact);

app.get('/status', (req, res) => res.send('contacts is alive'));

app.use(function(error, req, res, next) {
	logger.error({err: error}, "request errored");
	if (error instanceof Errors.NotFoundError) {
		return res.send(404);
	} else {
		return res.send(500, "Oops, something went wrong");
	}
});

const {
    port
} = Settings.internal.contacts;
const {
    host
} = Settings.internal.contacts;


if (!module.parent) { // Called directly
	app.listen(port, host, function(error) {
		if (error != null) { throw error; }
		return logger.info(`contacts starting up, listening on ${host}:${port}`);
	});
}

module.exports = app;