// ==UserScript==
// @name         temporary RSW darkmode enabler
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       gaz lloyd
// @match        http://runescape.wikia.com/*
// @match        https://runescape.wikia.com/*
// @match        http://rs.wikia.com/*
// @match        https://rs.wikia.com/*
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';

/* ==================
   COLOUR CHANGER 1.0
   ==================
   borrowed from http://tardis.wikia.com/wiki/MediaWiki:Wikia.js


   by [[user:Pecoes]]
   see http://community.wikia.com/wiki/Thread:477388
   for conceptual design discussion
   ================== */

(function (mw, $, window) {


    //if (mw.config.get('skin') !== 'oasis' || mw.config.get('wgNamespaceNumber')) return;

    var css, stylesheet, button, defer, origwordmark, newwordmark, newcss;
    origwordmark = $('#WikiHeader .wordmark a img').attr('src'); //so that reverting works correctly

    newwordmark = 'http://vignette4.wikia.nocookie.net/iiiiiii/images/8/89/Wiki-wordmark.png/revision/latest';
    newcss = 'http://runescape.wikia.com/wiki/User:Iiii_I_I_I/darkmode.css?action=raw&ctype=text/css&maxage=3600&smaxage=3600';

    function addStylesheet () {
        stylesheet =
            $('<style type="text/css" id="alt-stylesheet">' + css + '">')
            .appendTo(window.document.head || 'head');
        $('#WikiHeader .wordmark a img').attr('src', newwordmark);
        $.storage.set('altStylesheet', '1');
    }

    function loadStylesheet () {
        if (!css) {
            if (defer && defer.state() === 'pending') return;
            if (button && button.length) {
                button.prop('disabled', true);
            }
            defer = $.ajax({
                url: newcss,
                dataType: 'text',
                async: false,
                cache: true
            })
                .done(function (text) {
                css = text;
                addStylesheet();
                if (button && button.length) {
                    button.prop('disabled', false);
                }
            });
        } else {
            addStylesheet();
        }
    }

    if ($.storage.get('altStylesheet')) {
        loadStylesheet();
    }

    $(function () {
        button =

            // this is the button:
            $('<input type="button" value="Change theme" class="wikia-button color-changer">')
            .insertAfter('a.wikia-button.secondary.talk')
            .attr('title', 'Toggle dark theme')
        //.prependTo('.grid-4')
        //('.WikiaMainContent')

            .click(function () {
            var stylesheet = $('#alt-stylesheet');
            if (stylesheet.length) {
                stylesheet.remove();
                $('#WikiHeader .wordmark a img').attr('src', origwordmark);
                $.storage.del('altStylesheet');
            } else {
                loadStylesheet();
            }
            // this BS code forces stupid browsers to repaint:
            var div = $('<div>').appendTo(window.document.body);
            window.setTimeout(function(){ div.remove(); }, 0);
        });

        if (defer && defer.state() === 'pending') {
            button.prop('disabled', true);
        }
    });

}(window.mediaWiki, window.jQuery, window));