/*
    Software to convert the Brainlet protocol to the IRC protocol
    Copyright (C) 2021  hiimgoodpack

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
const fs = require("fs");
const ircServer = require("./ircd.js/lib/server.js");
const ircClient = require("irc");
const crypto = require("crypto");

// Set up IRC server
const config = require(`${__dirname}/config.js`)

const genPass = () => {
	// This should give us a reasonably secure password
	return crypto.randomBytes(66).toString("base64");
}

let systemUsers = {
	NickServ: {
		password: genPass()
	}
}
const ircConfig = {
	network:  "BrainletToIRC",
	hostname: "localhost",
	serverDescription: "A brainlet to IRC translation layer",
	serverName: config.server,
	port: 6667,
	linkPort: 7777,
	motd: config.motd,
	whoWasLimit: 10000,
	token: 1,
	opers: systemUsers,
	channels: {},
	links: {
		server: {
			host: "127.0.0.1",
			password: genPass(),
			port: 7778,
			token: 2
		}
	},
	pingTimeout: 120,
	maxNickLength: 30
};
fs.writeFileSync(`${__dirname}/ircd.js/config/config.json`, JSON.stringify(ircConfig));

ircServer.Server.boot();

// Set up system users
const ircServerAddress = ircConfig.links.server.host;
const ircServerPort = ircConfig.links.server.port;

let NickServ = new ircClient.Client("localhost", "NickServ");
console.log(NickServ)
NickServ.addListener("error", console.error);
NickServ.addListener("message", (from, to, text, message) => {
	// Make sure it's a private message to NickServ
	if (to !== NickServ.opt.nick)
		return;

	const args = text.split(" ");
	if (args.length == 0) {
		NickServ.notice(from, config.responses.NickServ.invalid);
		return;
	}

	switch (args[0].toLowerCase()) {
		case "help": {
			NickServ.notice(from, config.responses.NickServ.help);
			break;
		}
		case "register": {
			const password = args[1];
			const email = args[2];
			if (!password || !email) {
				NickServ.notice(from, config.responses.NickServ.invalid);
				return;
			}
			NickServ.notice(from, "Account registration is currently not implemented");
			break;
		}
		case "identify": {
			const name = args[1];
			const password = args[2];
			if (!name || !password) {
				NickServ.notice(from, config.responses.NickServ.invalid);
				return;
			}
			NickServ.notice(from, "Account login is currently not implemented");
			break;
		}
		default: {
			NickServ.notice(from, config.responses.NickServ.invalid);
			break;
		}
	}
});