// ==UserScript==
// @name         长佩专用 | 自动翻页 只显示匿名
// @namespace    http://tampermonkey.net/
// @version      0.1.3
// @description  自动翻页 只显示匿名
// @author       You
// @match        *://allcp.net/forum.php?mod=viewthread&tid=*
// @grant        none
// @downloadURL none
// ==/UserScript==

										
	(function() {
		'use strict';

							

			var btnRight = document.createElement("div");
	btnRight.style.cssText = `position:fixed;bottom:140px;right:20px;
	padding:7px;width:40px;background:rgb(174,230,255);
	font:14px/1.5 '';color:#444;text-align:center;`
	btnRight.innerText = "点击显示匿名"
	document.body.appendChild(btnRight);

		var onlyAnous = false;
	var onoff = true;	
		var maxPage = (function(){
		let span = document.querySelector("div#pgt .pg span");
		if(span){
			return parseInt(span.innerText.split(" ")[2])
		}else{
			return 1
		}
	})() 
	
		if (document.URL.indexOf("page=") == -1) {
		var nextPage = 2;		}else{
		var nextPage = parseInt(document.URL.split("=").reverse()[0]) + 1
	}
	var tid = document.URL.match(/&tid=\d{1,7}/)
	var url = `http://allcp.net/forum.php?mod=viewthread${tid}&extra=&page=${nextPage}`
	 
		if (onlyAnous) {
		hiddenAnous(document.querySelectorAll("table.plhin"))
	}

		document.onmousewheel = function (eve) {
				var e = eve || window.event;
		if (nextPage <= maxPage ) {
			if (document.body.clientHeight < e.pageY + 2000) {
				newPage(nextPage);
							}
		}else{
			if(onoff){
				let notice = document.createElement("div");
				notice.style.cssText = 'padding-bottom:30px;font:600 25px/2 ""; text-align:center;';
				notice.innerText = "已经到底啦..."

				document.body.appendChild(document.createElement("hr"))
				document.body.appendChild(notice)
				onoff = false;
							}else{
								return;
			}
		}
	}


		function newPage(nextPage) {

		url = url.slice(0, url.lastIndexOf("=") + 1) + nextPage;

		var xhr = new XMLHttpRequest();
		xhr.open("get", url, false); 			xhr.onreadystatechange = function () {
						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")
		var ele = document.createElement("div");
		ele.style.cssText = "diaply:flex;justify-content:space-between;width:960px;margin:0 auto;"
		ele.innerHTML= `<div style="width:900px;margin:0 auto;border-bottom:1px dashed #999;text-align:center;padding:10px 0;">第${nextPage}页链接 >>>>>>> <a href="${url}">${url}</a></div>`

		for (var i = 0; i < nextComment.length; i++) {
			nextComment[i].style.width = "980px";
			ele.appendChild(nextComment[i]);
		}
		if (onlyAnous) {
			hiddenAnous(nextComment);
		}
		document.body.appendChild(ele);
		nextPage++;

			}

				btnRight.onclick = function(){
						var aComment = document.querySelectorAll("table.plhin");
						if (onlyAnous) {
			for (var i = 0; i < aComment.length; i++) {
				aComment[i].style.display = "";
				btnRight.innerText = "点击显示匿名";
				onlyAnous = false;
			}

		}else{
			hiddenAnous(aComment);
			btnRight.innerText = "点击显示全部";
			onlyAnous = true;

		}
	}


	function hiddenAnous(arr){
		for (var i = 0; i < arr.length; i++) {
			var auth = arr[i].querySelector("div.authi").innerText.split("发表于")[0].trim();
			if (auth != "匿名青花鱼") {
				arr[i].style.display = "none"
			}
		}
	}


})();