// ==UserScript==
// @name         大人的Greasy Fork
// @namespace    hoothin
// @version      0.3
// @description  访问匿名不可用内容时跳转至sleazyfork，未登录状态下尝试在sleazyfork查找内容后合并至greasyfork | Merge sleazyfork results into greasyfork when the script is no longer anonymously available
// @author       hoothin
// @match        http*://greasyfork.org/*
// @match        http*://www.greasyfork.org/*
// @grant        GM_xmlhttpRequest
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    if(document.querySelector('span.sign-in-link')){
        if(/scripts\/\d+/.test(location.href)){
            if(!document.querySelector("#script-info")){
                location.href=location.href.replace(/\/\/([^\.]+\.)?greasyfork\.org/,"//$1sleazyfork\.org");
            }
        }else if(/(scripts|users)\//.test(location.href)){
            var scriptList=/scripts\./.test(location.href)?"browse-script-list":"user-script-list";
            GM_xmlhttpRequest({
                method: 'GET',
                url: location.href.replace(/\/\/([^\.]+\.)?greasyfork\.org/,"//$1sleazyfork\.org"),
                onload: function(result) {
                    var doc = null;
                    try {
                        doc = document.implementation.createHTMLDocument('');
                        doc.documentElement.innerHTML = result.responseText;
                    }
                    catch (e) {
                        console.log('parse error');
                    }
                    if (!doc) {
                        return;
                    }
                    var ml = document.querySelector('#'+scriptList);
                    if(!ml){
                        ml=document.createElement("ol");
                        ml.setAttribute("id",scriptList);
                        ml.setAttribute("class","script-list");
                        var list=document.querySelector('body>div.width-constraint');
                        var ps=list.querySelectorAll("p");
                        for(var p of ps){
                            list.removeChild(p);
                        }
                        list.appendChild(ml);
                    }
                    var l = doc.querySelector('#'+scriptList);
                    if (l) {
                        var scs=l.querySelectorAll("li");
                        if(scs){
                            for(var sc of scs){
                                if(!ml.querySelector("li[data-script-id='"+sc.getAttribute("data-script-id")+"']")){
                                    ml.appendChild(sc);
                                }
                            }
                        }
                    }
                },
                onerror: function(e) {
                    console.log(e);
                }
            });
        }
    }
})();