#!/usr/bin/env node
let uhk = require('./uhk');

let timeoutMs = 10000;
let pollingIntervalMs = 100;
let bootloaderTimeoutMs = 5000;
let jumped = false;

console.log(process.argv[2])
let enumerationMode = process.argv[2] === 'buspal' ? uhk.enumerationModes.busPal : uhk.enumerationModes.bootloader;

console.log('Trying to jump to the bootloader...');
setInterval(() => {
    timeoutMs -= pollingIntervalMs;

    let device = uhk.getBootloaderDevice();

    if (device) {
        console.log('Bootloader is up');
        process.exit(0);
    }

    if (timeoutMs <= 0) {
        console.log("Couldn't jump to the bootloader");
        process.exit(1);
    }

    device = uhk.getUhkDevice();
    if (device && !jumped) {
        console.log('UHK found, jumping to bootloader');
        let t =  bootloaderTimeoutMs;
        let message = new Buffer([uhk.usbCommands.jumpToBootloader, enumerationMode, t&0xff, (t&0xff<<8)>>8, (t&0xff<<16)>>16, (t&0xff<<24)>>24]);
        console.log(message);
        device.write(uhk.getTransferData(message));
        jumped = true;

        if (enumerationMode == uhk.enumerationModes.busPal) {
            process.exit();
        }
    }

}, pollingIntervalMs);