import { createNodeWebSocket } from '@hono/node-ws'
import {serve} from "@hono/node-server";

export default class WebsocketManager {

    constructor() {
        this.clients = [];
        this.lastPing = {};
        this.initData = null;

        setInterval(() => {
            const thr = Date.now() - 60000;
            this.clients.filter(client => this.lastPing[client] < thr).forEach((client) => this.leaveClient(client));
        }, 10000);
    }

    getHandler() {
        const _this = this;
        return {
            onOpen: (event, ws) => {
                this.joinClient(ws);
            },
            onMessage(event, ws) {
                if (!event.data)
                    return;

                const data = JSON.parse(event.data);
                if (!data)
                    return;

                if (data.ping) {
                    _this.lastPing[ws] = Date.now();
                }

                if (data.data) {
                    _this.handleMessage(ws, data.data);
                    console.log(`Data from client: ${event.data}`);
                }
            },
            onClose: (event, ws) => {
                this.leaveClient(ws);
            },
        };
    }

    handleMessage(ws, data) {

    }

    send(ws, data) {
        ws.send(JSON.stringify({data: data}));
    }

    broadcast(data) {
        this.clients.forEach(client => this.send(client, data));
    }

    joinClient(ws) {
        this.clients.push(ws);
        this.lastPing[ws] = Date.now();
        this.send(ws, this.initData)
    }

    leaveClient(ws) {
        this.clients = this.clients.filter(s => s !== ws);
        delete this.lastPing[ws];
    }

    setInitData(initData) {
        this.initData = initData;
    }

}