/**
 * Plugin.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This class contains all core logic for the bbcode plugin.
 *
 * @class tinymce.bbcode.Plugin
 * @private
 */
define(
  'tinymce.plugins.bbcode.Plugin',
  [
    'tinymce.core.PluginManager',
    'tinymce.core.util.Tools'
  ],
  function (PluginManager, Tools) {
    PluginManager.add('bbcode', function () {
      return {
        init: function (ed) {
          var self = this, dialect = ed.getParam('bbcode_dialect', 'punbb').toLowerCase();

          ed.on('beforeSetContent', function (e) {
            e.content = self['_' + dialect + '_bbcode2html'](e.content);
          });

          ed.on('postProcess', function (e) {
            if (e.set) {
              e.content = self['_' + dialect + '_bbcode2html'](e.content);
            }

            if (e.get) {
              e.content = self['_' + dialect + '_html2bbcode'](e.content);
            }
          });
        },

        getInfo: function () {
          return {
            longname: 'BBCode Plugin',
            author: 'Ephox Corp',
            authorurl: 'http://www.tinymce.com',
            infourl: 'http://www.tinymce.com/wiki.php/Plugin:bbcode'
          };
        },

        // Private methods

        // HTML -> BBCode in PunBB dialect
        _punbb_html2bbcode: function (s) {
          s = Tools.trim(s);

          function rep(re, str) {
            s = s.replace(re, str);
          }

          // example: <strong> to [b]
          rep(/<a.*?href=\"(.*?)\".*?>(.*?)<\/a>/gi, "[url=$1]$2[/url]");
          rep(/<font.*?color=\"(.*?)\".*?class=\"codeStyle\".*?>(.*?)<\/font>/gi, "[code][color=$1]$2[/color][/code]");
          rep(/<font.*?color=\"(.*?)\".*?class=\"quoteStyle\".*?>(.*?)<\/font>/gi, "[quote][color=$1]$2[/color][/quote]");
          rep(/<font.*?class=\"codeStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi, "[code][color=$1]$2[/color][/code]");
          rep(/<font.*?class=\"quoteStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi, "[quote][color=$1]$2[/color][/quote]");
          rep(/<span style=\"color: ?(.*?);\">(.*?)<\/span>/gi, "[color=$1]$2[/color]");
          rep(/<font.*?color=\"(.*?)\".*?>(.*?)<\/font>/gi, "[color=$1]$2[/color]");
          rep(/<span style=\"font-size:(.*?);\">(.*?)<\/span>/gi, "[size=$1]$2[/size]");
          rep(/<font>(.*?)<\/font>/gi, "$1");
          rep(/<img.*?src=\"(.*?)\".*?\/>/gi, "[img]$1[/img]");
          rep(/<span class=\"codeStyle\">(.*?)<\/span>/gi, "[code]$1[/code]");
          rep(/<span class=\"quoteStyle\">(.*?)<\/span>/gi, "[quote]$1[/quote]");
          rep(/<strong class=\"codeStyle\">(.*?)<\/strong>/gi, "[code][b]$1[/b][/code]");
          rep(/<strong class=\"quoteStyle\">(.*?)<\/strong>/gi, "[quote][b]$1[/b][/quote]");
          rep(/<em class=\"codeStyle\">(.*?)<\/em>/gi, "[code][i]$1[/i][/code]");
          rep(/<em class=\"quoteStyle\">(.*?)<\/em>/gi, "[quote][i]$1[/i][/quote]");
          rep(/<u class=\"codeStyle\">(.*?)<\/u>/gi, "[code][u]$1[/u][/code]");
          rep(/<u class=\"quoteStyle\">(.*?)<\/u>/gi, "[quote][u]$1[/u][/quote]");
          rep(/<\/(strong|b)>/gi, "[/b]");
          rep(/<(strong|b)>/gi, "[b]");
          rep(/<\/(em|i)>/gi, "[/i]");
          rep(/<(em|i)>/gi, "[i]");
          rep(/<\/u>/gi, "[/u]");
          rep(/<span style=\"text-decoration: ?underline;\">(.*?)<\/span>/gi, "[u]$1[/u]");
          rep(/<u>/gi, "[u]");
          rep(/<blockquote[^>]*>/gi, "[quote]");
          rep(/<\/blockquote>/gi, "[/quote]");
          rep(/<br \/>/gi, "\n");
          rep(/<br\/>/gi, "\n");
          rep(/<br>/gi, "\n");
          rep(/<p>/gi, "");
          rep(/<\/p>/gi, "\n");
          rep(/&nbsp;|\u00a0/gi, " ");
          rep(/&quot;/gi, "\"");
          rep(/&lt;/gi, "<");
          rep(/&gt;/gi, ">");
          rep(/&amp;/gi, "&");

          return s;
        },

        // BBCode -> HTML from PunBB dialect
        _punbb_bbcode2html: function (s) {
          s = Tools.trim(s);

          function rep(re, str) {
            s = s.replace(re, str);
          }

          // example: [b] to <strong>
          rep(/\n/gi, "<br />");
          rep(/\[b\]/gi, "<strong>");
          rep(/\[\/b\]/gi, "</strong>");
          rep(/\[i\]/gi, "<em>");
          rep(/\[\/i\]/gi, "</em>");
          rep(/\[u\]/gi, "<u>");
          rep(/\[\/u\]/gi, "</u>");
          rep(/\[url=([^\]]+)\](.*?)\[\/url\]/gi, "<a href=\"$1\">$2</a>");
          rep(/\[url\](.*?)\[\/url\]/gi, "<a href=\"$1\">$1</a>");
          rep(/\[img\](.*?)\[\/img\]/gi, "<img src=\"$1\" />");
          rep(/\[color=(.*?)\](.*?)\[\/color\]/gi, "<font color=\"$1\">$2</font>");
          rep(/\[code\](.*?)\[\/code\]/gi, "<span class=\"codeStyle\">$1</span>&nbsp;");
          rep(/\[quote.*?\](.*?)\[\/quote\]/gi, "<span class=\"quoteStyle\">$1</span>&nbsp;");

          return s;
        }
      };
    });
    return function () { };
  }
);