// ==UserScript==
// @name         长佩专用|自动翻页+只显示匿名
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        *://allcp.net/forum.php?mod=viewthread&tid=*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

//pageNext 下一页的索引 当前页索引+1
//http://allcp.net/forum.php?mod=viewthread&tid=54856
//http://allcp.net/forum.php?mod=viewthread&tid=54856&extra=&page=10

if (document.URL.length<60) {
	var url = document.URL + "&extra=&page="
	var pageNext = 2;
}else{
	var url = document.URL
	var pageNext = parseInt(url.split("=").reverse()[0]) + 1
}
//添加点击的按钮
var btnRight = document.createElement("div");
btnRight.style.cssText = `position:fixed;bottom:50px;right:50px;
padding:10px;width:40px;background:#388bff;
font:14px/1.5 '';color:#fff;text-align:center;`
btnRight.innerText = "加载下一页"
document.body.appendChild(btnRight);

//添加按钮设置是否隐藏匿名
var onlyAnous = true;


document.onmousewheel = function (eve) {
	var e = eve || window.event;
	if (document.body.clientHeight < e.pageY + 1000) {
		newPage(pageNext);
	}
}

function newPage(pageNext) {

	url = url.slice(0, url.lastIndexOf("=") + 1) + pageNext;
	console.log( "下一页的网址",url,document.body.clientHeight);


	var xhr = new XMLHttpRequest();
	xhr.open("get", url, false); 	// 禁止异步执行
	xhr.onreadystatechange = function () {
		console.log("xhr.ready", xhr.readyState, xhr.status)
		if (xhr.readyState == 4 && xhr.status == 200) {
			callback(xhr.responseText);
		}
	}
	xhr.send("");

}

function callback(rsp) {

	var d = document.createElement("div");
	d.innerHTML = rsp;
	var nextComment = d.querySelectorAll("table.plhin")

	//容器 l
	var l = document.createElement("div");
	l.style.cssText = "width:960px;margin:0 auto;diaply:flex;justify-content:space-between;"
	l.innerHTML= `本页链接 >>>>>>> <a href="${url}">${url}</a>`

	for (var i = 0; i < nextComment.length; i++) {
		nextComment[i].style.width = "980px";

		// 判断作者 不是的隐藏
		isAnous(nextComment[i])
		l.appendChild(nextComment[i]);
	}
	document.body.appendChild(l);

	// console.log("appendChild body.clientHeight", document.body.clientHeight);
	pageNext++;
}


btnRight.onclick = function(){
	//如果只显示匿名 就选择性显示；不然就全部显示
	//因为有后加载的情况，所以要全部重新渲染
	if (onlyAnous) {
		var aComment = document.querySelectorAll("table.plhin");
		for (var i = 0; i < aComment.length; i++) {
			isAnous(aComment[i]);
		}
	}else{
		for (var i = 0; i < aComment.length; i++) {
			aComment[i].style.display = "block";
		}
	}
}


function isAnous(obj){
	var auth = obj.querySelector("div.authi").innerText.split("发表于")[0].trim();
	if (auth != "匿名青花鱼") {
		obj.style.display = "none"
	}
}
})();