// ==UserScript==
// @name         自动图标
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://mubu.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=mubu.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    //更新元素下面所有bullet-dot节点
    function displayIcon(item){
        //查找所有bullet-dot节点
        var bullets = item.querySelectorAll("div.bullet-dot");
        bullets.forEach (function (bullet) {
            //隐藏原来显示的圆点
            bullet.style.top = "0px";
            bullet.style.left = "0px";
            bullet.style.width = "0px";
            bullet.style.height = "0px";
            //为节点添加图标
            var r = bullet.parentNode.parentNode.nextElementSibling.nextElementSibling.innerText.match(/联系|安排|等待|考虑|撰写|组织|审核|编写|截止|查看|完成|制订/);
            if (r){
                //根据关键字设置图标
                var icons = {"联系":"📞", "安排":"➡️", "等待":"⌛", "考虑":"💡", "撰写":"📝", "组织":"⛺", "审核":"💻", "编写":"📝","制订":"📝", "截止":"📅", "完成":"📅","查看":"💻"};
                bullet.innerText = icons[r[0]];
            }
            else{
                //没有关键字的设置文件夹图标
                var l = bullet.parentNode.parentNode.parentNode.parentNode.parentNode.classList;
                if(l.contains("collapsed") || l.contains("no-children")){
                    //没有展开的节点显示关闭的文件夹
                    bullet.innerText = "📁";
                }
                else{
                    //展开的节点显示打开的文件夹
                    bullet.innerText = "📂";
                }
            }
        })
    }

    //延时等待页面准备好
    function waitForReady(){
        var pane = document.getElementById("js-outliner");
        if(pane){
            //查找到列表则更新全部列表
            displayIcon(document);
            //设置监视列表变化
            var paneconfig = {characterData:true, childList:true, subtree:true};
            var paneobserver = new MutationObserver(function (mutationsList, observer) {
                //处理所有的列表变化
                for(var i = 0; i < mutationsList.length; i++){
                    var mutation = mutationsList[i];
                    console.log("开始更新：" + mutation.target + " " + mutation.type);
                    if(mutation.type == "characterData"){
                        //如果是文本变化更新上级节点
                        displayIcon(mutation.target.parentNode.parentNode.parentNode);
                    }
                    else{
                        //如果是节点列表更新，则更新所有增加的节点
                        if(mutation.target.classList.contains("outliner-tree-content")){
                            mutation.addedNodes.forEach(function(item){
                                if (item.classList.contains("outliner-node")){
                                    displayIcon(item);
                                }
                            })
                        }
                    }
                 }
            });
            paneobserver.observe(pane, paneconfig);
        }
        else{
            //没有查找到列表则继续等待
            setTimeout(waitForReady, 500);
        }
    }

    //设置延时等待
    setTimeout(waitForReady, 500);
})();