import { Client } from "ssh2";
import { info } from "../util/Console.js";
import fs from 'fs';


export function runRouterCmds(cmds, onData) {
    const ROUTER = {
        host: process.env.ROUTER_HOST || '192.168.0.1',
        username: process.env.ROUTER_USER || 'cisco',
        password: process.env.ROUTER_PASS || '',
        wanInterface: process.env.ROUTER_WAN_IF || 'gi0'
    };

    return new Promise((resolve, reject) => {
        const conn = new Client();
        let out = '';
        conn.on('ready', () => {
            conn.shell((err, stream) => {
                if (err) return reject(err);
                stream.on('data', d => {
                    const s = d.toString();
                    out += s;
                    if (onData) onData(s);
                });
                stream.on('close', () => {
                    conn.end();
                    resolve(out);
                });
                cmds.forEach(c => stream.write(c + '\n'));
                stream.end('exit\n');
            });
        }).on('error', reject).connect({
            host: ROUTER.host,
            username: ROUTER.username,
            password: ROUTER.password,
            readyTimeout: 20000,
            algorithms: {
                kex: [
                    'diffie-hellman-group14-sha1',
                    'diffie-hellman-group-exchange-sha1',
                ],
                cipher: [
                    'aes128-ctr',
                    'aes192-ctr',
                    'aes256-ctr',
                ],
                serverHostKey: [
                    'ssh-rsa',
                ],
                hmac: [
                    'hmac-sha1',
                    'hmac-sha2-256',
                ]
            },
            hostVerifier: () => true
        });
    });
}