Update on game.clocks. Unfinished

[vchess.git] / client / src / utils / datetime.js

function zeroPad(x)
{
	return (x<10 ? "0" : "") + x;
}

export function getDate(d)
{
	return d.getFullYear() + '-' + zeroPad(d.getMonth()+1) + '-' + zeroPad(d.getDate());
}

export function getTime(d)
{
	return zeroPad(d.getHours()) + ":" + zeroPad(d.getMinutes()) + ":" +
		zeroPad(d.getSeconds());
}

function padDigits(x)
{
  if (x < 10)
    return "0" + x;
  return x;
}

export function ppt(t)
{
  // "Pretty print" an amount of time given in seconds
  const dayInSeconds = 60 * 60 * 24;
  const hourInSeconds = 60 * 60;
  const days = Math.floor(t / dayInSeconds);
  const hours = Math.floor(t%dayInSeconds / hourInSeconds);
  const minutes = Math.floor(t%hourInSeconds / 60);
  const seconds = Math.floor(t % 60);
  let res = "";
  if (days > 0)
    res += days + "d ";
  if (days <= 3 && hours > 0) //TODO: 3 is arbitrary
    res += hours + "h ";
  if (days == 0 && minutes > 0)
    res += (hours > 0 ? padDigits(minutes) + "m " : minutes + ":");
  if (days == 0 && hours == 0)
    res += padDigits(seconds);
  return res.trim(); //remove potential last space
}