"use strict";

const express = require("express");
const expressPromiseRouter = require("express-promise-router");
const bodyParser = require("body-parser");
const cors = require("cors");
const url = require("url");

const debugMiddleware = require("./src/debug-middleware");
const accessTokenMiddleware = require("./src/middlewares/access-token");

const clientApiRouter = require("./src/routers/client-api");

const configuration = require("./config.json");

let baseUrl = url.format({
	protocol: (configuration.tls) ? "https" : "http",
	host: configuration.hostname
});

let state = {
	configuration
};

let app = express();
let router = expressPromiseRouter();

router.use(bodyParser.json());
router.use(accessTokenMiddleware);

router.use(debugMiddleware());

router.options("*", cors({
	methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
	allowedHeaders: ["Origin", "X-Requested-With", "Content-Type", "Accept", "Authorization"],
	optionsSuccessStatus: 200
}));

router.use("/_matrix/client", clientApiRouter(state));

router.get("/", (req, res) => {
	res.send("Hello world!");
});

router.get("/.well-known/matrix/client", (req, res) => {
	let response = {
		"m.homeserver": {
			base_url: baseUrl
		}
	};

	if (configuration.identity_server != null) {
		response["m.identity_server"] = {
			base_url: configuration.identity_server
		};
	}

	res.json(response);
});

app.use(router);
app.listen(3000, () => {
	console.log("listening on 3000");
});