// Modified Nick Briz's "leave facebook" scripts to be a little better behaved and crash the browser less.
// Original link here: http://nickbriz.com/facebook/index.html 
//
// DIRECTIONS ---
//
//   1 - Navigate to http://facebook.com/yourUserName/allactivity
//   2 - Open dev console
//   3 - Paste in contents of... http://code.jquery.com/jquery-2.1.1.min.js
//   4 - Paste the contents of this file ...wait for it to run
//   5 - Scroll to the bottom of the page, load some more stuff
//   6 - Keep executing 'leaveFacebook();'
 

var waitSeconds = 1; // adjust for slow internet connections
var menuChoices = null;
var currTimeout = null;

// Loads menus we're interested in clicking at a later time...
function loadMenus() {
  console.log("Loading menus to click!");
  var editMenus = $('.uiPopover > a');
  for (var i = 0; i < editMenus.length; i++) { editMenus[i].click(); };

  var menuStringsToMatch = [
    //'Report', 
    'Delete', 'Unlike'
  ];
  menuChoices = [];
  $('.uiLayer span').each(function() {
    var ele = $(this);
    var menuContent = ele.html();

    for(var i=0;i<menuStringsToMatch.length;i++) {
      var matchStr = menuStringsToMatch[i];
      if(menuContent.indexOf(matchStr) == 0) menuChoices.push(ele);
    }
  });
  console.log("Found "+menuChoices.length+" menus to click...please hold!");
}

// Clicks confirmation buttons
function clickButtons() {
  console.log("Clearing confirmation buttons");
  var buttonLabelsToClick = [
    'Continue', 'Confirm', 'Delete', 'Remove', 'Okay', 'Close'
  ];
  $('button, a').each(function( i ) {
      var ele = $(this);
      var btnContent = ele.html();
      for(var i=0;i<buttonLabelsToClick.length;i++) {
        var matchStr = buttonLabelsToClick[i];
        if(btnContent.indexOf(matchStr) == 0) ele.click();
      }
  });
  // Get rid of any "this content is no longer available" warnings
  window.setTimeout(function(){
    $('a.layerCancel span').click();
  }, 100);
  $( "input[value|='Delete']" ).click();
}

// Clicks menus, one by one...waits for it to load (hopefully), 
// then clicks the delete / continue / whatever buttons
function clickNextMenu() {
  var currentEle = menuChoices.shift();
  console.log(currentEle);
  $(currentEle).click();
  // Clear timeouts so they don't stack up on each other
  window.clearTimeout(currTimeout);
  currTimeout = window.setTimeout(function() {
    clickButtons();
    if(menuChoices.length > 0) clickNextMenu();
  }, waitSeconds*1000);
}


function leaveFacebook() {
  loadMenus();
  clickNextMenu();
}

// You can keep executing this as you scroll down the timeline
// - OR - reload the page, re-paste, etc.
leaveFacebook();