// ==UserScript==
// @name        Quote plus
// @namespace   ecuamobi
// @author      EcuaMobi
// @include     https://bitcointalk.org/index.php?action=post;quote=*
// @require     https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.3.1.min.js
// @version     1.0
// @license   MIT
// @grant none
// ==/UserScript==

(() => {
  var full_text = document.forms.postmodify.message.value;
  var regex = /\[quote author/gi,
    result, indices = [];
  // Find second [quote]
  var i = 0;
  var start2 = 0;
  var end2 = 0;
  while ((result = regex.exec(full_text))) {
    i++;
    if (2 == i) {
      start2 = result.index;
      break;
    }
  }
  regex = /\[\/quote\]/gi, result, indices = [];
  var last = 0;
  while ((result = regex.exec(full_text))) {
    if (last > 0) {
      end2 = last + 8;
    }
    last = result.index;
  }

  // Are there several quotes?
  if (start2 == 0 || end2 == 0) {
    // Abort
    return;
  }

  // Get text to use for every option
  var latest_quote = full_text.substr(0, start2).trim() + '\n' + full_text.substr(end2).trim() + '\n';
  var snip_quote = full_text.substr(0, start2).trim() + '~snip~[/quote]\n';
  full_text = full_text.trim() + '\n';

  // By default use the latest quote. REPLACE THIS BY snip_quote OR REMOVE IF DESIRED
  document.forms.postmodify.message.value = latest_quote;

  // Add buttons to manually use full text, latest quote or snip
  const $links = $("Full text | Latest quote | ~snip~");
  $links.insertAfter($("#postMoreOptions"));

  $("#full_text").click((e) => {
    e.preventDefault();
    document.forms.postmodify.message.value = full_text;
  });
  $("#latest_quote").click((e) => {
    e.preventDefault();
    document.forms.postmodify.message.value = latest_quote;
  });
  $("#snip_quote").click((e) => {
    e.preventDefault();
    document.forms.postmodify.message.value = snip_quote;
  });
})();