import {i18n} from './i18n';

const locale = i18n.locale;

const fullDateFormat = Intl.DateTimeFormat(locale, {
  weekday: "short",
  year: "2-digit",
  month: "2-digit",
  day: "2-digit",
  hour: "2-digit",
  minute: "2-digit",
});
const timeFormatter = Intl.DateTimeFormat(locale, {
  hour: "2-digit",
  minute: "2-digit",
});

/*
// Doesn't work on android yet (so use full time for now instead of relative time)
const relativeTimeFormatter = new Intl.RelativeTimeFormat(locale, { numeric: "auto"});

const DIVISIONS = [
  { amount: 60, name: "seconds" },
  { amount: 60, name: "minutes" },
  { amount: 24, name: "hours" },
  { amount: 7, name: "days" },
  { amount: 4.34524, name: "weeks" },
  { amount: 12, name: "months" },
  { amount: Number.POSITIVE_INFINITY, name: "years" },
];

function formatTimeAgo(date) {
  let duration = (date - new Date()) / 1000
  for (let i = 0; i < DIVISIONS.length; i++) {
    const division = DIVISIONS[i]
    if (Math.abs(duration) < division.amount) {
      const suffix = (division.name === "days") ? ", " + timeFormatter.format(date)  : "";
      return relativeTimeFormatter.format(Math.round(duration), division.name) + suffix
    }
    duration /= division.amount
  }
}
*/

function timeSince(timeStamp) {
  const now = Math.floor((new Date()).getTime() / 1000);
  const secondsPassed = now - timeStamp; 
  const daysPassed = secondsPassed / 60 / 60 / 24;
  const timeStampDate = new Date(timeStamp * 1000);
  //if (daysPassed < 2)
  //  return formatTimeAgo(timeStampDate);
  //else
    return fullDateFormat.format(timeStampDate);
}

const toTimeStr = seconds => {
  let minuteStr = String(Math.floor(seconds / 60));
  if (minuteStr.length < 2)
    minuteStr = "0" + minuteStr;
  let secondStr = String(Math.floor(seconds % 60));
  if (secondStr.length < 2)
    secondStr = "0" + secondStr;
  return minuteStr + ":" + secondStr;
}

export { toTimeStr, timeSince };