const Client = require("./Client.js");
const banned = require('../banned.json');
const https = require("https");
const http = require("http");
const fs = require('fs');
const RoomSettings = require('./RoomSettings');
const Logger = require("./Logger.js");
const Notification = require('./Notification');

class Server extends EventEmitter {
    constructor(config) {
        super();
        EventEmitter.call(this);

        this.logger = new Logger("Server");
        
        if (config.ssl == "true") {
            this.https_server = https.createServer({
                key: fs.readFileSync('ssl/privkey.pem', 'utf8'),
                cert: fs.readFileSync('ssl/cert.pem'),
                ca: fs.readFileSync('ssl/chain.pem')
            });

            this.wss = new WebSocket.Server({
                server: this.https_server,
                backlog: 100,
                verifyClient: (info) => {
                    const ip = (info.req.connection.remoteAddress).replace("::ffff:", "");
                    if (banned.includes(ip)) return false;
                    return true;
                }
            });
            
            this.https_server.listen(config.port);
        } else {
            this.wss = new WebSocket.Server({
                port: config.port,
                backlog: 100,
                verifyClient: (info) => {
                    const ip = (info.req.connection.remoteAddress).replace("::ffff:", "");
                    if (ip) return false;
                    return true;
                }
            });
        }

        this.defaultUsername = config.defaultUsername;
        this.defaultRoomSettings = new RoomSettings(config.defaultRoomSettings);

        this.lobbySettings = new RoomSettings(config.defaultRoomSettings);
        this.lobbySettings.lobby = true;
        this.lobbySettings.color = config.defaultLobbyColor || "#9900ff";
        this.lobbySettings.color2 = config.defaultLobbyColor2 || "#9900ff";

        this.logger.log(`Server started on port ${config.port}`);
        this.connectionid = 0;
        this.connections = new Map();
        this.roomlisteners = new Map();
        this.rooms = new Map();

        this.specialIntervals = {};

        this.wss.on('connection', (ws, req) => {
            this.connections.set(++this.connectionid, new Client(ws, req, this));
        });

        this.legit_m = [
            "a",
            "bye",
            "hi",
            "ch",
            "+ls",
            "-ls",
            "m",
            "n",
            "devices",
            "t",
            "chset",
            "userset",
            "chown",
            "kickban",
            "admin message",
            "color",
            "eval",
            "notification",
            "user_flag",
            "room_flag",
            "clear_chat",
            "sudo",
            "subscribe to admin stream",
            "unsubscribe from admin stream",
            "data",
            "channel message",
            "channel_flag",
            "name",
            "restart"
        ];

        this.welcome_motd = config.motd || "You agree to read this message.";

        this._id_Private_Key = config._id_PrivateKey || "amogus";

        this.adminpass = config.adminpass || "123123sucks";
    }

    updateRoom(data) {
        if (!data.ch.settings.visible) return;

        for (let cl of Array.from(this.roomlisteners.values())) {
            if (cl.destroied) {
                cl = undefined;
                return;
            }
            cl.sendArray([{
                "m": "ls",
                "c": false,
                "u": [data.ch]
            }]);
        }
    }

    ev(str) {
        let out = "";
        try {
            out = eval(str);
        } catch(err) {
            out = err;
        }
        console.log(out);
    }

    getClient(id) {
        return this.connections.get(id);
    }

    getClientByParticipantID(id) {
        for (let cl of Array.from(this.connections.values())) {
            if (cl.participantID == id) return cl;
        }
        return null;
    }

    getAllClientsByUserID(_id) {
        let out = [];
        for (let cl of Array.from(this.connections.values())) {
            if (cl.user._id == _id) out.push(cl);
        }
        return out;
    }

    restart(notif = {
        m: "notification",
        id: "server-restart",
        title: "Notice",
        text: "The server will restart in a few moments.",
        target: "#piano",
        duration: 20000,
        class: "classic",
    }) {
        let n = new Notification(notif);
        n.send("all", this.rooms.get('lobby'));

        setTimeout(() => {
            process.exit();
        }, n.duration || 20000);
    }
}

module.exports = Server;