// ==UserScript==
// @name         NGA Subscribe Tool
// @namespace    none
// @version      0.0.4.20180224
// @icon         http://bbs.nga.cn/favicon.ico
// @description  NGA 订阅工具，在打开页面时检测关注的作者是否发布了新帖，若是则在进入版面时弹出提醒（在帖子内不提醒）
// @author       AgLandy
// @include      /^https?:\/\/(bbs\.ngacn\.cc|nga\.178\.com|bbs\.nga\.cn)/(thread\.php\?(f|st)id|read).+/
// @grant        none
// @downloadURL none
// ==/UserScript==


if(typeof jQuery == 'undefined'){
    let s = document.createElement('script');
    s.type = 'text/javascript';
    s.src = 'https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js';
    s.onload = s.onreadystatechange = function(){
        if(!this.readyState || 'loaded' === this.readyState || 'complete' === this.readyState){
            main(jQuery.noConflict());
            this.onload = this.onreadystatechange = null;
        }
    };
    document.head.appendChild(s);
}
else
    main(jQuery);


function main($Q){

    setTimeout(function(){

        if(!window.commonui)
            return;

        let ls = (function testStorage(s){
            if(!!s){
                try{
                    s.testkey = 'testvalue';
                    s.removeItem('testkey');
                    return true;
                }
                catch(e){
                    return false;
                }
            }
            else
                return false;
        })(window.localStorage),
            init = function(){
                let data = {};
                if(localStorage.subscribeToolData)
                    data = JSON.parse(localStorage.subscribeToolData);
                else{
                    data = {'8143443':{'name':'奥妮酱', 'read':1}};
                    localStorage.subscribeToolData = JSON.stringify(data);
                }
                return data;
            },
            st = commonui.subscribeTool = {};

        st.cache = {};
        st.data = !ls ? {'8143443':{'name':'奥妮酱'}} : init();
        st.notifunc = function(ck){
            let noti = commonui.notification,
                go = function(){
                    for(let i = 0; i < ck.length; i++){
                        let t = st.cache[ck[i]],
                            s = commonui.cutstrbylen(t[2],19);
                        if(s.length < t[2].length)
                            s += '...';
                        $Q('<span><b style="color:blue">&#9632;</b> <span class="silver">' +
                           commonui.time2dis(ck[i]) +
                           ' <a class="b" target="_blank" href="/nuke.php?func=ucp&uid=' + t[1] + '">' +
                           t[0] +
                           '</a> 发布了主题 <nobr><a class="b" href="' + t[3] + '" title="' + t[2] + '" target="_blank">' +
                           s +
                           '</a></nobr><br></span></span>').prependTo('div.single_ttip2 div.div1:has(span.title:contains("提醒信息")) td:eq(0)');  //js_notification.js
                        st.data[t[1]].read = 1;
                        localStorage.subscribeToolData = JSON.stringify(st.data);
                    }
                    st.cache = {};
                };

            if(!noti.box)
                noti.createBox();
            if(noti.box.style.display != 'none')
                return go();
            if(!document.body)
                return window.setTimeout(function(){st.notifunc(ck);}, 3000);
            if(noti.box.parentNode != document.body)
                document.body.appendChild(noti.box);
            noti.box._.show(0,0);
            if(noti.box.offsetHeight > __NUKE.position.get().ch){
                if(noti.box.style.position != 'absolute')
                    noti.box.style.position = 'absolute';
                if(noti.timeout)
                    window.clearInterval(noti.timeout);
            }
            else{
                if(noti.box.style.position != 'fixed')
                    noti.box.style.position = 'fixed';
                if(window.__UA && __UA[0] == 1 && __UA[1] <= 6)
                    noti.timeout = window.setInterval(function(){commonui.notification.checkPos();}, 3000);
            }  //notification.js  commonui.notification.openBox

            go();
        };

        //检测是否有关注作者的新帖
        let n = 0;
        if(ls)
            $Q.each(st.data, function(k, v){
                if(v == null){
                    n++;
                    return;
                }  //取消关注的作者跳过检测
                if(commonui.postArg && commonui.postArg.data[0] && commonui.postArg.data[0].pAid == k && __CURRENT_TID > v.lastTid){
                    v.lastTid = __CURRENT_TID;
                    v.read = 1;
                    localStorage.subscribeToolData = JSON.stringify(st.data);
                    n++;
                    return;
                }  //若当前页为关注作者的新帖首页则不再提示该帖
                $Q.post('thread.php?order_by=postdatedesc&authorid=' + k, 'lite=xml', function(response){
                    let t = $Q(response).find('__T item:eq(0)'),
                        tid = parseInt(t.find('tid').text()),
                        postdate = parseInt(t.find('postdate').text()),
                        author = t.find('author').text(),
                        authorid = t.find('authorid').text(),
                        subject = t.find('subject').text(),
                        url = t.find('tpcurl').text();
                    if(tid > v.lastTid){
                        v.read = 0;
                        if(authorid != '0')
                            st.cache[postdate] = [author, authorid, subject, url];
                    }
                    else if(authorid != '0' && v.read == 0){
                        st.cache[postdate] = [author, authorid, subject, url];
                    }
                    v.lastTid = tid;
                    localStorage.subscribeToolData = JSON.stringify(st.data);
                    n++;
                });
            });

        //版面中显示关注作者头像
        if(/\/thread\.php\?(f|st)id.+$/.test(window.location.href)){

            let authors = $Q('a[href^="/nuke.php?func=ucp&uid="]');

            if(!authors[0])
                return;

            $Q.each(authors, function(i, author){

                let uid = author.href.replace(/\D/g, '');

                if(!st.data[uid])
                    return;

                $Q.post('nuke.php?__lib=ucp&__act=get&uid=' + uid, '__output=12', function(response){
                    if(!response.result.avatar)
                        return;
                    let a = commonui.selectAvatar(response.result.avatar, __CURRENT_UID),
                        td = author.parentNode,
                        rp = td.getClientRects()[0],
                        h = rp.bottom - rp.top,
                        d = _$('/div').$0(
                            'style', {
                                borderRight: '1px solid ' + __COLOR.bg0,
                                overflow: 'hidden',
                                width: h + 'px',
                                height: h + 'px',
                                cssFloat: 'left',
                                margin: '-6px 0 -6px -' + h + 'px'
                            },
                            _$('/img').$0(
                                'onload', function(){
                                    let r;
                                    if(this.height > this.width){
                                        r = h / this.width;
                                        this.width = h;
                                        this.height *= r;
                                        this.style.marginTop = (Math.abs(h - this.height) / 3 * -1) + 'px';
                                    }
                                    else{
                                        r = h / this.height;
                                        this.height = h;
                                        this.width *= r;
                                        this.style.marginLeft = (Math.abs(h - this.width) / 2 * -1) + 'px';
                                    }
                                    this.style.opacity = 0.7;
                                    this.style.display = '';
                                },
                                'style', {display:'none'},
                                'src', a
                            )
                        );
                    td.style.paddingLeft = h + 'px';
                    $Q(td).prepend(d);  //forum.js  commonui.loadThreadInfoSetAvatar
                });

            });

            //新帖提醒
            if(ls)
                (function check(){
                    if(st.check){
                        if(st.check > 20){
                            console.log('st.check : timeout');
                            delete st.check;
                            st.cache = {};
                            return;
                        }
                        else
                            st.check++;
                    }
                    else
                        st.check = 1;

                    if(n == Object.keys(st.data).length){
                        console.log('st.check : ' + st.check);
                        delete st.check;
                        let ck = Object.keys(st.cache);
                        if(ck[0])
                            if(commonui.notification)
                                st.notifunc(ck);
                            else
                                commonui.loadNotiScript(function(){
                                    st.notifunc(ck);
                                });
                    }
                    else
                        setTimeout(function(){
                            check();
                        },150);
                })();

        }

        //在帖子中为除自己以外的楼层添加关注按钮
        if(ls && $Q('a[name="uid"]')[0]){

            $Q.each($Q('a[name="uid"]'), function(i, uid){

                let a = $Q(uid),
                    u = a.text();

                if(u == __CURRENT_UID)
                    return;

                a.parent().css({'position':'relative'});
                let d = $Q('<span style="font:15px/16px Serif;vertical-align:bottom;margin-left:3px;color:#ff7800;cursor:pointer;display:none;" />').html(st.data[u] ? '♥' : '♡').click(function(){
                    d.html(st.data[u] ? '♡' : '♥');
                    st.data[u] = st.data[u] ? null : {'name':commonui.posterInfo.uI.users[u].username, 'read':1};
                    localStorage.subscribeToolData = JSON.stringify(st.data);
                }).insertAfter(a);
                a.closest('td').mouseenter(function(){d.fadeIn();}).mouseleave(function(){d.fadeOut();});

            });

        }

    },100);

}