// ==UserScript==
// @name         起点小说vip自动换源
// @namespace    http://tampermonkey.net/
// @version      2.0
// @description  对起点的vip小说自动搜索笔趣阁，要设置滚动模式，自动加载形式,支持手机和网页
// @author       JucyZhu
// @match        https://m.qidian.com/book/*
// @match        https://read.qidian.com/chapter/*
// @match        https://vipreader.qidian.com/chapter/*
// @require      https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js
// @connect      www.xbiquge.la
// @connect      m.xbiquge.la
// @connect      so.biqusoso.com
// @connect      www.20xs.cc
// @connect      www.lvsetxt.com
// @run-at      document-end
// @grant        GM_xmlhttpRequest
// @downloadURL none
// ==/UserScript==
(function() {
	'use strict';
	// Your code here...
	// 声明全局参数
	// ===== 自定义站点规则 =====

	const sites = [
		// 详细版规则示例。注：该网站已无法访问。
		{ //基本信息
			siteName: "新笔趣阁", // 站点名字... (可选)
			URL: "http://www.xbiquge.la",
			searchURL: "http://www.xbiquge.la/modules/article/waps.php", //搜索相关	
			method: "POST", //请求方式
			formData: "searchkey=", //请求数据	
			needName: false,
			bookName: "tbody tr .even a", //解析搜索结果相关
			authorName: "tbody tr .even:odd",
			chapters: "#list dl a", //解析目录列表相关
			contentSplit: "\n\n", //章节分段方式
			content: "#content", //解析章节内容
			replace: "#content p",
		},
		{ //基本信息
			siteName: "新笔趣云",
			URL: "https://www.20xs.cc",
			searchURL: "https://www.20xs.cc/searchbook.php?search_key=",
			method: "GET",
			formData: "search_key=",
			needName: true,
			bookName: "strong a",
			authorName: "#li1 .name span:odd",
			chapters: "#list dl a",
			contentSplit: "node", //章节分段方式
			content: "#content p",
			replace: "",
		}
	];
	var data = {
			book: {},
			currentChapter: {},
			chapters: [],
			isApp: false
		},
		chapterNum = 0,
		first_time = true,
		lock = true,
		siteId = 0,
		show = false;
	//脚本更新data获取书籍信息
	getBookContents();
	//滚动事件
	$(window).scroll(function() {
		if (data.isApp) {
			show = ($(".read-article .read-section").last().offset().top - $(document).scrollTop() < $(
				window).height());
		} else {
			show = ($("#j_chapterBox .text-wrap:last").offset().top - $(document).scrollTop() < $(window)
				.height());
		}
		if (($(window).scrollTop() * 1.05 > $(document).height() - $(window).height()) && show && lock) {
			lock = false;
			loadbook();
		}
	});

	function loadbook() {
		updata();
		//更新data
		if (chapterNum > 3) {
			if (data.isApp) {
				$(".read-section").first().remove()
				chapterNum = $(".read-section").length
			} else {
				$(".text-wrap").first().remove()
				chapterNum = $(".text-wrap").length
			}
		}
		if (data.currentChapter.vipState == 1 && chapterNum <= 3) {
			updataCurrentChapter(data.currentChapter.id + 1)
			console.log(data.currentChapter)
			insertCurrentVipContents();
		}
	};
	//根据当前章节名称，如果是vip则从笔趣阁获取内容资源并插入
	function insertCurrentVipContents() {
		//根据找到的当前章节url获取说内容并解析
		console.log("------正在请求《" + data.currentChapter.chapterName + "》的内容------")
		var href = data.currentChapter.href;
		GM_xmlhttpRequest({
			method: "GET",
			url: href,
			headers: {
				"Content-Type": "application/x-www-form-urlencoded;charset=utf-8"
			},
			data: "",
			onload: function(response) {
				//console.log("请求成功");				
				insertChapter(parseContent(response.responseText))
			},
			onerror: function(response) {
				console.log("请求失败: href: " + href);
			}
		})
	};
	//更新vip状态和显示章节数
	function updata() {
		//有没有到vipstate==0 &&(登录按钮，订阅按钮长度大于0(有.btn-primary)
		//或者.j_subscribeBtn vip章节全部订阅和订阅本章按钮长度大于0 
		//或者发现.w-all前往vip章节长度大于0)
		if (data.currentChapter.vipState == 0) {
			if ($(".btn-primary").length > 0) {
				//手机版				
				data.currentChapter.vipState = 1;
				$(".btn-primary").remove();
				findLastChapter()
			} else if ($(".j_subscribeBtn").length > 0 || $(".w-all").length > 0) {
				//网页版				
				data.currentChapter.vipState = 1;
				findLastChapter()
				//updataCurrentChapter(data.currentChapter.id + 1)
				$(".w-all").remove();
			}
			//findLastChapter()
		} else if (data.currentChapter.vipState == 1) {
			if (data.isApp) {
				chapterNum = $(".read-section").length
				//findLastChapter()
			} else {
				chapterNum = $(".text-wrap").length
				//findLastChapter()
			}
		}
	};

	function getBookChapterInfor() {
		if (typeof(g_data.book) == "undefined") {
			//说明是电脑网页端
			data.book.bookName = g_data.bookInfo.bookName;
			data.book.authorName = g_data.bookInfo.authorName;
			data.currentChapter.chapterName = $(".j_chapterName:last span:first").text();
			data.currentChapter.vipState = g_data.chapter.vipStatus;
			data.currentChapter.contentList = [];
			data.currentChapter.id = 0;
			data.isApp = false;
		} else {
			//手机网页端
			data.book.bookName = g_data.book.bookName;
			data.book.authorName = g_data.book.authorName;
			data.currentChapter.chapterName = g_data.chapter.chapterName;
			data.currentChapter.vipState = g_data.chapter.vipStatus;
			data.currentChapter.contentList = [];
			data.currentChapter.id = 0;
			data.isApp = true;
		}
		return data;
	};
	//寻找匹配目录
	function findLastChapter() {
		//遍历目录找到当前目录的url
		var chapter = "";
		if (data.isApp) {
			data.currentChapter.chapterName = $(".read-section h3").last().text()
		} else {
			data.currentChapter.chapterName = $(".text-wrap:last h3 span:first").text()
		}
		var current_chapter = data.currentChapter.chapterName;
		if (data.chapters.length > 0) {
			console.log("------正在查找阅读到的最新章节------")
			for (var i = 0, len = data.chapters.length; i < len; i++) {
				chapter = data.chapters[i].name;
				if (current_chapter === chapter || current_chapter.indexOf(chapter) != -1 ||
					chapter
					.indexOf(current_chapter) != -1) {
					updataCurrentChapter(i);
					break;
				} else {
					updataCurrentChapter(-1);
				}
			}
		} else {
			updataCurrentChapter(-1);
			console.log("章节目录没有解析到");
		}
		//return data.currentChapter.id
	};

	function updataCurrentChapter(id) {
		if (id > -1) {
			data.currentChapter.id = id;
			data.currentChapter.chapterName = data.chapters[id].name;
			data.currentChapter.href = data.chapters[id].href;
		} else {
			data.currentChapter.id = id;
			data.currentChapter.chapterName = "ERROR";
			data.currentChapter.href = "www.baidu.com";
		}


	}
	//根据章节名获取笔趣阁的目录列表，并赋值给data.chapters
	function getBookContents() {
		//从当前页面获取小说名称和当前章节	
		var config = sites[siteId]
		getBookChapterInfor();
		//仅第一次运行
		//console.log(data.book.booName);
		console.log("------开始从 " + config.siteName + " 搜索《 " + data.book.bookName + " 》 ------");
		if (config.needName) {
			config.searchURL = config.searchURL + data.book.bookName
		}
		runAsync(config.searchURL, config.method, config.formData + data.book.bookName).then((
			result) => {
			//bookname,authorName ==>搜索===>解析==>href==>请求==>response
			function getTitleAuthorList(result) {
				//console.log(result.responseText);
				var $html = $('<div></div>').html(result.responseText);
				var $table = $($html);
				var nameList = $(config.bookName, $table),
					authorList = $(config.authorName, $table),
					href = "";
				if (nameList.length == 0) {
					console.log("------从 " + config.siteName + " 搜索《 " + data.book.bookName +
						" 》 失败------");
					siteId = siteId + 1;
					if (siteId < sites.length) {
						getBookContents()
					} else {
						console.log("------未能找到小说，请继续完善地址池------");
					}
				}
				//console.log("nameList", nameList);
				//console.log("authorList", authorList);
				///console.log($(nameList[0]).text() + "-----" + $(authorList[0]).text())
				for (var i = 0, len = nameList.length; i < len; i++) {
					if (data.book.bookName == $(nameList[i]).text() && (data.book.authorName == $(
							authorList[
								i]).text()) || $(authorList[i]).text().indexOf(data.book.authorName) != -
						1) {
						//console.log($(nameList[i]).text() + "-----" + $(authorList[i]).text())
						//console.log(nameList[i])
						href = $(nameList[i]).attr("href");
						//没有http 说明url要拼接
						if (href.indexOf("http") == -1) {
							href = config.URL + href
						};
						//console.log("href", href)
						break;
					}
				}
				return runAsync(href);
			}
			return getTitleAuthorList(result);
		}).then((response) => {
			//response==>解析==>目录列表==>保存到data==>寻找匹配的章节
			console.log("------开始从response解析目录-------- ");

			function getChapterNameHref(response) {
				var $html = $('<div></div>').html(response.responseText);
				var $table = $($html);
				var chapters = $(config.chapters, $table);
				//console.log(chapters);
				for (var i = 0, len = chapters.length; i < len; i++) {
					var chapterTmp = {
						name: "",
						href: ""
					};
					chapterTmp.name = $(chapters[i]).text();
					chapterTmp.href = config.URL + $(chapters[i]).attr("href");
					//console.log(chapterTmp);
					data.chapters.push(chapterTmp);
				}
				//寻找匹配的章节
				//console.log(data.chapters)
				findLastChapter();
				if (data.currentChapter.id != -1) {
					//console.log(data.chapters[id].name)
					return runAsync(data.chapters[data.currentChapter.id].href);
				} else {
					console.log("目录没有匹配")
					return runAsync(data.chapters[0].href);
				}

			}
			return getChapterNameHref(response);
		}).then((response) => {
			//response==>解析==>章节内容==>保存到data.currentChapter.contentList==>寻找匹配的章节
			parseContent(response.responseText)
			//console.log(data.chapters)
			//console.log(data.currentChapter.contentList)
		})
	};

	function parseContent(text) {
		var config = sites[siteId]
		var $html = $('<div></div>').html(text);
		var $content = $(config.content, $html);
		// console.log($content);
		// console.log($($content[0]).text());
		// console.log($content[0].text());
		//根据config.contentSplit进行不同的读取方式
		var contents = []
		switch (config.contentSplit) {
			case "\n\n":
				contents = $content.text().replace($(config.relace, $html).text(), "").split(
					"\n\n");
				break;
			case "node":
				for (var i = 0, len = $content.length; i < len; i++) {
					contents.push($($content[i]).text());
				}
				break;
			default:
				默认代码块
		}
		data.currentChapter.contentList = contents
		return contents
	}
	// 插入文章
	function insertChapter(contents) {
		var section, paragraph, p = "",
			i = 0,
			mlen = -1;
		if (data.isApp) {
			//console.log("------开始加载下一章1------");	
			//手机中插入
			chapterNum = $(".read-section").length
			section = $(".read-article .read-section").last();
			//$(".btn-primary", section).remove();
			$(".read-article").append(section.clone());
			section = $(".read-article .read-section").last();
			paragraph = $("p", section).first();
			$(".btn-primary", section).remove();
			$("p", section).remove();
			$("h3", section).text(data.currentChapter.chapterName);
			for (i = 0, mlen = contents.length; i < mlen; i++) {
				p = contents[i];
				paragraph.text(p);
				section.append(paragraph.clone());
			}
			//$(".read-article .read-section").eq(-2).remove();
		} else {
			chapterNum = $(".text-wrap").length
			//web中插入			
			section = $("#j_chapterBox .text-wrap:last");
			$("#j_chapterBox").append(section.clone());
			section = $("#j_chapterBox .text-wrap:last");
			paragraph = $(".read-content p:first", section);
			$(".vip-limit-wrap", section).remove();
			$(".admire-wrap", section).remove();
			$(".read-content p", section).remove();
			$("h3:first span:first", section).text(data.currentChapter.chapterName);
			for (i = 0, mlen = contents.length; i < mlen; i++) {
				p = contents[i];
				paragraph.text(p);
				$(".read-content", section).append(paragraph.clone());
			}
			//$("#j_chapterBox .text-wrap").eq(-2).remove()
		}
		console.log("------已经插入<<" + data.chapters[data.currentChapter.id].name + ">>------")
		lock = true;
	};

	function runAsync(url, send_type = "GET", data_ry = "") {
		console.log("请求数据: url: " + url + " method: " + send_type + " data: " + data_ry);
		var p = new Promise((resolve, reject) => {
			GM_xmlhttpRequest({
				method: send_type,
				url: url,
				headers: {
					"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36 Edg/89.0.774.57"
				},
				data: data_ry,
				onload: function(response) {
					//console.log("请求成功");
					//console.log(response.responseText);
					//resolve(response.responseXML);	
					// response.setContentType("text/javascript;charset=UTF-8");
					// response.setHeader("Cache-Control", "no-cache");
					resolve(response);
				},
				onerror: function(response) {
					console.log("请求失败: url: " + url + " method: " + send_type +
						" data: " +
						data_ry);
					reject("请求失败: url = " + url);
				}
			});
		})
		return p;
	};

})();