import * as toml from 'toml';
import IConfig from './IConfig.js';
import * as fs from "fs";
import WSServer from './WSServer.js';

import { QemuVM, QemuVmDefinition } from '@cvmts/qemu';

import * as Shared from '@cvmts/shared';
import AuthManager from './AuthManager.js';

let logger = new Shared.Logger("CVMTS.Init");

logger.Info("CollabVM Server starting up");

// Parse the config file

var Config : IConfig;

if (!fs.existsSync("config.toml")) {
    logger.Error("Fatal error: Config.toml not found. Please copy config.example.toml and fill out fields")
    process.exit(1);
}
try {
    var configRaw = fs.readFileSync("config.toml").toString();
    Config = toml.parse(configRaw);
} catch (e) {
    logger.Error("Fatal error: Failed to read or parse the config file: {0}", (e as Error).message);
    process.exit(1);
}


async function start() {
    // Print a warning if qmpSockDir is set
    // and the host OS is Windows, as this
    // configuration will very likely not work.
    if(process.platform === "win32" && Config.vm.qmpSockDir) {
        logger.Warning("You appear to have the option 'qmpSockDir' enabled in the config.")
        logger.Warning("This is not supported on Windows, and you will likely run into issues.");
        logger.Warning("To remove this warning, use the qmpHost and qmpPort options instead.");
    }

    // Init the auth manager if enabled
    let auth = Config.auth.enabled ? new AuthManager(Config.auth.apiEndpoint, Config.auth.secretKey) : null;

    // Fire up the VM
    let def: QemuVmDefinition =  {
        id: Config.collabvm.node,
        command: Config.vm.qemuArgs
    }

    var VM = new QemuVM(def);
    await VM.Start();

    // Start up the websocket server
    var WS = new WSServer(Config, VM, auth);
    WS.listen();
}
start();