// ==UserScript==
// @name         Instagram absolute date
// @namespace    http://mrob.com/time/scripts-beta/
// @version      20250131
// @description  Show "explicit" (absolute) date on instagram image/post pages
// @author       Lorenzo Breda and Robert Munafo
// @match        https://*.instagram.com/*
// @grant        none
// ==/UserScript==

function modifyTimestring()
{
  var monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun",
                    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
  ]; // not used
  var elems_date = document.getElementsByTagName("time");
  Array.prototype.forEach.call(elems_date, function(item, index) {
      var date = new Date(item.getAttribute('datetime'));
      // item.textContent = date.toLocaleString(getLang(),
      //     {day: 'numeric', month: 'short', year: 'numeric',
      //      hour: 'numeric', minute: '2-digit'});
      item.textContent = date.toLocaleString('sv-SE');
      // to force a specific timezone:
      //       date.toLocaleString('sv-SE', {timeZone: 'America/New_York'})
    });
}

function getLang()
{
  if (navigator.languages !== undefined){
    return navigator.languages[0];
  } else {
    return navigator.language;
  }
}

(function() {
  'use strict';
  modifyTimestring();
  var observer = new window.MutationObserver(function(mutations) {
    if(mutations.length){
      modifyTimestring();
      Array.from(document.getElementsByTagName("time")).forEach(function(element) {
        observer.observe(element, {characterData: true, attributes: true});
      });
    }
  });
  if(document.querySelector('main > section > div > div')){
      observer.observe(document.querySelector('main > section > div > div'),
                                                                {childList: true});
  }
  observer.observe(document.body, {childList: true});
  // console.info("document.body should be filled now");
  Array.from(document.getElementsByTagName("time")).forEach(function(element) {
    observer.observe(element, {characterData: true, attributes: true});
  });
})();