// ==UserScript==
// @name         cmgreener
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @description  greener for shequ.codemao.cn
// @author       Albert Z
// @include      *://shequ.codemao.cn/*
// @icon         https://static.codemao.cn/whitef/favicon.ico
// @license      MIT
// @grant        none
// @downloadURL none
// ==/UserScript==

var removes = {};
removes['shequ.codemao.cn/course'] = ['r-course--banner'];
removes['shequ.codemao.cn/discover'] = [];
removes['shequ.codemao.cn/work_shop'] = ['r-work_shop--banner'];
removes['shequ.codemao.cn/community'] = ['r-community--bulletin_container', 'r-community--notic_item_icon_hot',
    'c-post_list--status_icon c-post_list--hot', 'c-post_list--status_icon c-post_list--up', 'r-community--roules_btn'
];
removes['shequ.codemao.cn/mall'] = ['r-mall-r-home--banner'];
removes['shequ.codemao.cn/gallery'] = ['r-gallery--banner'];
removes['shequ.codemao.cn'] = ['r-home--guide_part', 'r-home-c-workshop_area--workshop_work'];

window.onload = function () {
    // 重定向anchor标签
    var anchors = [...document.getElementsByClassName('c-navigator--nav_wrap')[0].getElementsByTagName('a')].slice(0, 7);
    for (var i = 0; i < anchors.length; i++) {
        var a = anchors[i];
        let url = a.href;
        a.onclick = function () {window.location.href = url;};
    }
    // 论坛区延迟执行（适应XHR）
    if (window.location.href.indexOf('shequ.codemao.cn/community') > -1) {
        setTimeout(function () {
            let url = 'shequ.codemao.cn/community';
            for (let cn in removes[url]) {
                var ele = document.getElementsByClassName(removes[url][cn]);
                if (ele.length) {
                    // 隐藏元素
                    for (var i = 0; i < ele.length; i++) {
                        ele[i].style.display = 'none';
                    }
                    // 增加上边距
                    if (window.location.href != 'https://shequ.codemao.cn/community') {
                        var main = document.getElementsByClassName('r-index--main_cont')[0];
                        main.style.marginTop = '5%';
                    }
                }
            }
        }, 1000);
        // 解析屏蔽词
        if (window.location.href.startsWith('https://shequ.codemao.cn/community/')) {
            var id = window.location.href.replace('https://shequ.codemao.cn/community/', '');
            var httpRequest = new XMLHttpRequest();
            httpRequest.open('GET', 'https://api.codemao.cn/web/forums/posts/' + id + '/details', true);
            httpRequest.send();
            httpRequest.onreadystatechange = function () {
                if (httpRequest.readyState == 4 && httpRequest.status == 200) {
                    var data = eval('(' + httpRequest.responseText + ')');
                    var content = document.getElementsByClassName('r-community-r-detail--forum_content')[0];
                    content.innerHTML = data.content;
                }
            };
            // 重新高亮代码
            setTimeout(function () {
                Prism.highlightAll();
            }, 1000);
        }
    // 其余页面
    } else {
        for (let url in removes) {
            if (window.location.href.indexOf(url) > -1) {
                for (let cn in removes[url]) {
                    var ele = document.getElementsByClassName(removes[url][cn]);
                    if (ele.length) {
                        // 隐藏部分元素
                        for (var i = 0; i < ele.length; i++) {
                            ele[i].style.display = 'none';
                        }
                        // 增加上边距
                        if (window.location.href != 'https://shequ.codemao.cn/' && window.location.href != 'https://shequ.codemao.cn/community') {
                            var main = document.getElementsByClassName('r-index--main_cont')[0];
                            main.style.marginTop = '5%';
                        }
                    }
                }
            }
        }
    }
};