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// <pre>
 
/*
To install, add 
 
// [[User:Henrik/dyk-notifier]]
importScript('User:Henrik/js/dyk-notifier.js'); 
 
to your monobook.js (located at User:YOURUSERNAME/monobook.js)
*/
 
function mylog(text) {
var p2 = document.createElement("p");
p2.appendChild(
  document.createTextNode(text)
);
p2.setAttribute("class", "labrat");
var bottle = document.getElementById("log");
bottle.appendChild(p2);
}
 
function mydate()
{
  var months = ["January","February","March","April",
                "May","June","July","August",
                "September","October","November","December"];
 
  var currentTime = new Date();
  var month = currentTime.getMonth();
  var day = currentTime.getDate();
  var year = currentTime.getFullYear();
  return ""+day+" "+months[month]+"|"+year;
}
 
function clear(){
  var parent = document.getElementById("log");
  while ( parent.hasChildNodes() ) { parent.removeChild(parent.firstChild); }
}
 
function xpathfind(findPattern) {
 return document.evaluate( findPattern, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null );
}
 
function dykNotifyAll(autosave) {
 allLinks = xpathfind("//div[@id=\"credits\"]/ul/li");
 for(i=0;i<allLinks.snapshotLength;i++) {
   var idx = i + 1;
   articleLink = xpathfind("//div[@id=\"credits\"]/ul/li["+idx+"]//a[1]");
   var title = articleLink.snapshotItem(0).textContent;
   //mylog(title);
   // autoedit search/replace below will probably add it to the end of the whole thing.  Consider adding section 0 to this.
   var atalkurl = articleLink.snapshotItem(0).href.replace("/wiki/","/wiki/Talk:")
+"?action=edit&autoedit=s/$/" + escape("\n{{dyktalk|" + mydate() + "}}\n/")
+"&autosummary=DYK"+autosave;
   window.open(atalkurl,"articletalk"+i); 
   //mylog(" -- talk page: " + atalkurl);
   resultLinks = xpathfind("//div[@id=\"credits\"]/ul/li["+idx+"]//a[starts-with(@title,'User talk:')]");
   if ( (res = resultLinks.snapshotItem(0) ) != null ){ 
      authormsg = "s/$/" + "{"+"{subst:" + escape("UpdatedDYK|"+mydate()+"|"+title+"}} --~~"+"~~") + "/";
      // New arguments to popups.js scripts
      authorurl =  res.href+"?action=edit&section=new&autosummary="+escape(title)+"&autoedit="+authormsg+autosave;
      window.open(authorurl,"authortalk"+i); 
      //mylog(" -- author: " + authorurl); 
   }
   if ( (res = resultLinks.snapshotItem(1) ) != null ){ 
      authormsg = "s/$/" + "{"+"{subst:" + escape("UpdatedDYKNom|"+mydate()+"|"+title+"}} --~~"+"~~") + "/";
      // New arguments to popups.js scripts
      authorurl =  res.href+"?action=edit&section=new&autosummary="+escape(title)+"&autoedit="+authormsg+autosave;
      window.open(authorurl,"notifiertalk"+i); 
//      //mylog(" -- author: " + authorurl); 
   }
 }
}
 
function insertDykButtons() {
  if (wgPageName != "User:Elkman/temp" && 
      wgPageName != "Template:Did_you_know/Next_update" && 
      wgPageName != "Template:Did_you_know/Next_update/Clear")
    return;
 
  d=document.createElement('div')
  var b=document.createElement('input');
  b.type='button';
  b.value='Notify contributors';
  b.onclick=function(){
    dykNotifyAll("");    
  }
  d.appendChild(b);
 
  var b=document.createElement('input');
  b.type='button';
  b.value='Notify contributors (autosave)';
  b.onclick=function(){
    dykNotifyAll("&amautosave=1");    
  }
  d.appendChild(b);
  document.getElementById("credits").appendChild(d);
}
 
$(insertDykButtons);