Array.prototype.stableSort = function(cmp) {
  cmp = !!cmp ? cmp : (a, b) => {
    if (a < b) return -1;
    if (a > b) return 1;
    return 0;
  };
  let stabilizedThis = this.map((el, index) => [el, index]);
  let stableCmp = (a, b) => {
    let order = cmp(a[0], b[0]);
    if (order != 0) return order;
    return a[1] - b[1];
  }
  stabilizedThis.sort(stableCmp);
  for (let i=0; i<this.length; i++) {
    this[i] = stabilizedThis[i][0];
  }
  return this;
}

function insertAtEnd(myField, myValue) {
    myField.value += myValue;
}
function insertDate(idName) {
    insertAtEnd(document.getElementById(idName),"\n"+getDate()+" ");
    growTextarea(idName)
}

function getDate(){
    var d = new Date();
    var hr = d.getHours();
    var min = d.getMinutes();
    if (min < 10) { min = "0" + min; }
    var day = d.getDate();
    var month = 1+d.getMonth();
    if (month < 10) { month = "0" + month; }
    var year = d.getFullYear().toString().substr(-2);
    return year+"-"+month+"-"+day+" "+hr+":"+min
}


function growTextarea(name) {
    var el=document.getElementById(name);
    var rows=el.value.split(/\r?\n|\r/);
    el.rows=rows.length+1;
    var cols=40;
    for (var i = 0; i<rows.length; i++) {
        cols=Math.max(cols, rows[i].length);
    }
    el.cols=cols;
}

function reload() {
    location.href=window.location.href;
}

function hidetoggle(name) {
    if (document.getElementById(name).style.display=='inline-block') {
        document.getElementById(name).style.display='none';
    } else {
        document.getElementById(name).style.display='inline-block';
        document.getElementById(name).scrollIntoView();
        if (name == 'disp_add') {
            document.getElementById('add_md').focus();
        }
        if (name == 'disp_edit') {
            document.getElementById('edit_md').focus();
        }
    }
    hideOthers(name);
}

function hideOthers(name) {
    var allElements = document.getElementsByTagName("*");
    for (var i = 0, n = allElements.length; i < n; ++i) {
        var el = allElements[i];
        if (el.id) {
            if ((el.id.startsWith("disp_")) && (el.id!=name)) {
                document.getElementById(el.id).style.display='none';
        }}
    }
}
function dropDown(name) {
    dropDownHide();
    document.getElementById(name).classList.toggle("show");
    hideOthers('foo');
}
function dropDownHide() {
    var dropdowns = document.getElementsByClassName("dropdown-content");
    var i;
    for (i = 0; i < dropdowns.length; i++) {
      var openDropdown = dropdowns[i];
      if (openDropdown.classList.contains('show')) {
        openDropdown.classList.remove('show');
      }
    }
}
function get_cookie(name) {
     var nameEQ = name+"=";
     var ca = document.cookie.split(';');
     for(var i=0;i < ca.length;i++) {
         var c = ca[i];
         while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) { return c.substring(nameEQ.length,c.length); }
    }
    return null
}

function sortMarkdown(boughtOrder=false) {
  var divs = document.getElementsByClassName("entry");
  divs = Array.prototype.slice.call(divs, 0);
  if (boughtOrder) {
    divs.stableSort(orderStringSorter);
  } else {
    divs.stableSort(fullStringSorter);
  }
  var parent = document.getElementById('entry_loop');
  parent.innerHTML = "";
  for(var i = 0, l = divs.length; i < l; i++) {
    parent.appendChild(divs[i]);
  }
}
function fullStringSorter(a,b) {
  var aValue=a.children[1].innerHTML;
  var bValue=b.children[1].innerHTML;
  if (aValue < bValue) return -1;
  if (aValue > bValue) return 1;
  return 0;
}
function orderStringSorter(a,b) {
  var aValue=a.children[1].innerHTML.substring(0,3);
  var bValue=b.children[1].innerHTML.substring(0,3);
  if ( aValue == "[x]" && bValue == "[ ]" ) return 1;
  if ( aValue == "[ ]" && bValue == "[x]" ) return -1;
  var aDone = new RegExp("\\(.+\\)$").test(a.children[1].innerHTML);
  var bDone = new RegExp("\\(.+\\)$").test(b.children[1].innerHTML);
  if ( aDone && ! bDone ) return 1;
  if ( bDone && ! aDone ) return -1;
  return 0;
}

function scrollBack() {
  var position=parseInt(get_cookie("position"));
  window.scrollTo(0,position);
}

// Close the dropdown menu if the user clicks outside of it
window.onclick = function(event) {
  if (!event.target.matches('.dropbtn')) {
    dropDownHide();
  }
}
document.onscroll = function(event) {
  document.cookie = "position=" + window.scrollY + "; path=" + window.location.pathname;
}
window.onload = scrollBack;