/*********************************************************************
 *
 *  $Id: demo.js 58172 2023-11-30 17:10:23Z martinm $
 *
 *  An example that shows how to use a  Yocto-Color
 *
 *  You can find more information on our web site:
 *   Yocto-Color documentation:
 *      https://www.yoctopuce.com/EN/products/yocto-color/doc.html
 *   EcmaScript API Reference:
 *      https://www.yoctopuce.com/EN/doc/reference/yoctolib-ecmascript-EN.html
 *
 *********************************************************************/

"use strict";

require('yoctolib-es2017/yocto_api.js');
require('yoctolib-es2017/yocto_colorled.js');

async function startDemo(args)
{
    await YAPI.LogUnhandledPromiseRejections();
    await YAPI.DisableExceptions();

    // Setup the API to use the VirtualHub on local machine
    let errmsg = new YErrorMsg();
    if(await YAPI.RegisterHub('127.0.0.1', errmsg) != YAPI.SUCCESS) {
        console.log('Cannot contact VirtualHub on 127.0.0.1: '+errmsg.msg);
        return;
    }

    // Select the relay to use
    let target;
    if(args[0] == "any") {
        let anyLed = YColorLed.FirstColorLed();
        if (anyLed == null) {
            console.log("No module connected (check USB cable)\n");
            process.exit(1);
        }
        let module = await anyLed.get_module();
        target = await module.get_serialNumber();
    } else {
        target = args[0];
    }

    let led1 = YColorLed.FindColorLed(target+'.colorLed1');
    let led2 = YColorLed.FindColorLed(target+'.colorLed2');

    let color;
    if (args[1] == "red")
        color = 0xFF0000;
    else if (args[1] == "green")
        color = 0x00FF00;
    else if (args[1] == "blue")
        color = 0x0000FF;
    else
        color = parseInt(args[1],16);

    if(await led1.isOnline()) {
        // Change the color in two different ways
        led1.set_rgbColor(color);  // immediate switch
        led2.rgbMove(color,1000);  // smooth transition
    } else {
        console.log("Module not connected (check identification and USB cable)\n");
    }

    await YAPI.FreeAPI();
}

if(process.argv.length < 4) {
    console.log("usage: node demo.js <serial_number> [ color | rgb ]");
    console.log("       node demo.js <logical_name> [ color | rgb ]");
    console.log("       node demo.js any [ color | rgb ]");
    console.log("Eg.");
    console.log("   node demo.js any FF1493 ");
    console.log("   node demo.js YRGBLED1-123456 red");
} else {
    startDemo(process.argv.slice(process.argv.length - 2));
}

