// ==UserScript==
// @name         贴吧广告过滤登录去除
// @namespace    noting
// @version      0.7.4
// @description  贴吧广告过滤,没有登录强行关闭登录
// @author       Time
// @match        https://tieba.baidu.com/*
// @grant        none
// @license      Time
// @downloadURL none
// ==/UserScript==
(function() {
    var options = {
        expensionName: "贴吧广告过滤登录去除",
        interval: 300,
        development: false,
        isDomRemove: false,
        show : false,
        matching: "tieba.baidu.com",
        loginDom: "tiebaCustomPassLogin",
        avdTextClass: "label_text",
        avdText: "广告",
        avdIds: ["pagelet_frs-aside/pagelet/fengchao_ad","banner_pb_customize","plat_recom_carousel"],
        avdDom: ["fengchao-wrap-feed","head_banner","head_ad_pop","l_banner","j_couplet","card_banner","bus-top-activity-wrap"],
    };
    var log = function(error){
        if(options.development){
            console.log(options.expensionName,error);
        }
    }
    var detectionAvd = new Array();
    var existAvd = function(avd) {
        if (!detectionAvd.find(item => item._this === avd)) return false;
        return true;
    };
    var addAvd = function(avd) {
        if (!avd) return;
        if (existAvd(avd)) return;
        var model = {
            _this: avd,
            hide: null
        };
        var hideFunction = function() {
            if (!avd || !avd.style) return;
            if(options.show){  avd.style.display = ""; return; }
            if (avd.style.display == "none") return;
            if (!options.isDomRemove) {
                avd.style.display = "none";
            } else {
                avd.remove();
            }
        }
        model.hide = hideFunction;
        detectionAvd.push(model);
    };
    var host = window.location.host;
    if (host.indexOf(options.matching) == -1) return;
    var detectLogin = function() {
        var login = document.getElementById(options.loginDom);
        if (login == null) return;
        addAvd(login);
    };
    var detectAdvertisement = function() {
        var snifferAvd = function(type, parameter) {
            if (!parameter || !type) return;
            var advPrameterArray = new Array();
            if (typeof(parameter) == 'string') advPrameterArray.push(parameter);
            else if (Array.isArray(parameter)) advPrameterArray = parameter;
            for (var adv = 0; adv < advPrameterArray.length; adv++) {
                var advElement = undefined;
                switch (type) {
                    case 1:
                        advElement = document.getElementsByClassName(advPrameterArray[adv]);
                        break;
                    case 2:
                        advElement = [document.getElementById(advPrameterArray[adv])];
                        break;
                    default:
                        break;
                }
                if (!advElement) continue;
                if (advElement.length > 0) {
                    for (var i = 0; i < advElement.length; i++) {
                        //advElement[i].remove();
                        addAvd(advElement[i]);
                    }
                } else {
                    addAvd(advElement);
                }
            }
        }
        snifferAvd(1, options.avdDom);
        snifferAvd(2, options.avdIds);
        var classAvdText = document.getElementsByClassName(options.avdTextClass);
        if (classAvdText.length > 0) {
            for (var i = 0; i < classAvdText.length; i++) {
                if (classAvdText[i].innerText == options.avdText) {
                    var node = classAvdText[i];
                    if (!node.parentNode) continue;
                    var avdNode = node.parentNode;
                    if (!avdNode.parentNode) continue;
                    var parentfather = avdNode.parentNode;
                    addAvd(avdNode);
                }
            }
        }
    };
    var avdHandler = function() {
        for (var i = 0; i < detectionAvd.length; i++) {
            try {
                detectionAvd[i].hide();
                //if (detectionAvd[i]._this) {
                 //   detectionAvd.splice(i, 1)
                //}
            } catch(ex) {
                log(ex);
            }
        }
    };


    //新建一个div元素节点
    var div=document.createElement("div");
    div.innerText = " 贴吧广告过滤登录去除 \r\n  显示/隐藏广告:\r\n";
    div.style = "position: absolute;height: 60px;width: 200px;top: 150px;border: 1px solid;left: 5px;text-align: center;";
    var checkbox = document.createElement('input');
    checkbox.type = "checkbox";
    checkbox.addEventListener( 'click', function(){
        if(options.show)
        {
            options.show = false;
        }
        else
        {
            options.show = true;
        }
    } );

    div.appendChild(checkbox);
    document.body.appendChild(div);

    setInterval(function() {
        detectLogin();
        detectAdvertisement();
        avdHandler();
        log(detectionAvd);
    },options.interval);
})();