index.js

/*
	Touwa - An unofficial API for HentaiVN.tv
	version 1.0.0
	Made by Nico Levianth/Meir/LilShieru in 2021.
	Copyright (C) 2016-2021 HentaiVN.tv. All rights reserved.
*/

/*
-----------------------------------------------------------------
	Modules importing
-----------------------------------------------------------------
*/
const express = require('express')
const app = express();
const jsdom = require("jsdom");
const { JSDOM } = jsdom;
const request = require("request");

/*
-----------------------------------------------------------------
	Configuration
-----------------------------------------------------------------
*/
var version = "1", domain = "https://hentaivn.tv";

/*
-----------------------------------------------------------------
	Main page
-----------------------------------------------------------------
*/
app.get("/", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain;
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Returning the normal status
		return res.send({success: true, url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki", ping: ping + "ms"});
	});
});

/*
-----------------------------------------------------------------
	Getting latest comic list
-----------------------------------------------------------------
*/
app.get("/comic/latest", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain;
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		var data = [];
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			var comic_list = document.getElementsByClassName("page-item")[0].getElementsByTagName("li");
			for (var i = 0; i < comic_list.length; i++) {
				var comic = comic_list[i], background = comic.getElementsByTagName("a")[0].getElementsByTagName("div")[0].style.background;
				var name = comic.getElementsByTagName("a")[0].href.substr(1);
				data.push({
					url: domain + comic.getElementsByTagName("a")[0].href,
					name: comic.getElementsByTagName("h2")[0].textContent,
					image_url: background.substr(background.indexOf("https://"), background.lastIndexOf(")") - background.indexOf("https://")),
					id: parseInt(name.substr(0, name.indexOf("-")))
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Getting a specific comic
-----------------------------------------------------------------
*/
app.get("/comic/:id", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/" + req.params.id + "-doc-truyen-.html";
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var title = document.getElementsByClassName("page-info")[0].getElementsByTagName("h1")[0].textContent, data = {
				name: title.substr(2, title.lastIndexOf(" - ") - 2),
				image_url: document.getElementsByClassName("page-ava")[0].getElementsByTagName("img")[0].src,
				uploaders: []
			}, info = document.getElementsByClassName("page-info")[0].getElementsByTagName("p"), description = [];
			data.uploaders.push({
				id: parseInt(document.getElementsByClassName("name-uploader")[0].getElementsByTagName("a")[0].href.substr(document.getElementsByClassName("name-uploader")[0].getElementsByTagName("a")[0].href.indexOf("-")  + 1)),
				name: document.getElementsByClassName("name-uploader")[0].getElementsByTagName("b")[0].textContent
			});
			for (var i = 0; i < info.length; i++) {
				if (info[i].getElementsByClassName("info").length > 0) switch (info[i].getElementsByClassName("info")[0].textContent) {
					case "Tên Khác: ": {
						data.other_names = [];
						for (var j = 1; j < info[i].getElementsByTagName("span").length; j++) data.other_names.push({
							name: info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].textContent,
							link: domain + info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].href
						});
						break;
					}
					case "Thể Loại:": {
						data.tags = [];
						for (var j = 1; j < info[i].getElementsByTagName("span").length; j++) {
							var tagLink = info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].href, name = tagLink.substr(tagLink.indexOf("the-loai-") + 9);
							data.tags.push({
								name: info[i].getElementsByTagName("span")[j].textContent,
								link: domain + info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].href,
								tag: name.substr(0, name.indexOf(".html"))
							});
						}
						break;
					}
					case "Nhóm dịch:": {
						data.group = {
							name: info[i].getElementsByTagName("span")[1].textContent,
							link: domain + info[i].getElementsByTagName("span")[1].getElementsByTagName("a")[0].href
						};
						break;
					}
					case "Tác giả: ": {
						data.authors = [];
						for (var j = 1; j < info[i].getElementsByTagName("span").length; j++) data.authors.push({
							name: info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].textContent,
							link: domain + info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].href
						});
						break;
					}
					case "Nhân vật: ": {
						data.characters = [];
						for (var j = 1; j < info[i].getElementsByTagName("span").length; j++) data.characters.push({
							name: info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].textContent,
							link: domain + info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].href
						});
						break;
					}
					case "Doujinshi: ": {
						data.doujins = [];
						for (var j = 1; j < info[i].getElementsByTagName("span").length; j++) data.doujins.push({
							name: info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].textContent,
							link: domain + info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].href
						});
						break;
					}
					case "Tình Trạng: ": {
						switch (info[i].getElementsByTagName("span")[1].textContent) {
							case "Đã hoàn thành": {
								data.completed = true;
								break;
							}
							case "Đang tiến hành": {
								data.completed = false;
								break;
							}
						}
						var views = info[i].textContent;
						data.views = parseInt(views.substr(views.indexOf("Lượt xem: ") + 10, views.lastIndexOf("          \n\n\n\n") - views.indexOf("Lượt xem: ") - 10).replace(".", "").replace(".", ""))
						break;
					}
					case "Thực hiện:": {
						data.credits = info[i].textContent.substr(11);
						break;
					}
					case "Phần khác:": {
						data.other_parts = [];
						for (var j = 1; j < info[i].getElementsByTagName("span").length; j++) data.other_parts.push({
							name: info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].textContent,
							link: domain + info[i].getElementsByTagName("span")[j].getElementsByTagName("a")[0].href
						});
						break;
					}
					case "Phó thớt: ": {
						data.uploaders.push({
							id: parseInt(info[i].getElementsByTagName("a")[0].href.substr(info[i].getElementsByTagName("a")[0].href.indexOf("-") + 1)),
							name: info[i].getElementsByTagName("a")[0].getElementsByTagName("b")[0].textContent
						});
						break;
					}
					case "Ủng hộ nhóm tại:": {
						data.group_external_link = info[i].getElementsByTagName("a")[0].href;
						break;
					}
					case "Download:": {
						data.download_link = domain + info[i].getElementsByTagName("a")[0].href
						break;
					}
				}
				else description.push(info[i].textContent);
			}
			data.description = description.join("\n");
			data.likes = parseInt(document.getElementsByClassName("but_like")[0].textContent.substr(1));
			data.dislikes = parseInt(document.getElementsByClassName("but_unlike")[0].textContent.substr(1));
			data.chapters = [];
			var chaps = document.getElementsByClassName("listing")[0].getElementsByTagName("tr");
			for (var i = 0; i < chaps.length; i++) {
				var chap = chaps[i];
				var chapLink = chap.getElementsByTagName("a")[0].href, name = chapLink.substr(chapLink.indexOf("/") + 1);
				data.chapters.push({
					name: chap.getElementsByTagName("h2")[0].textContent,
					link: domain + chap.getElementsByTagName("a")[0].href,
					upload_date: chap.getElementsByTagName("td")[1].textContent,
					code: name.substr(0, name.indexOf(".html"))
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Getting a specific comic's chapters
-----------------------------------------------------------------
*/
app.get("/comic/:id/chapters", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/" + req.params.id + "-doc-truyen-.html";
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = [];
			var chaps = document.getElementsByClassName("listing")[0].getElementsByTagName("tr");
			for (var i = 0; i < chaps.length; i++) {
				var chap = chaps[i];
				var chapLink = chap.getElementsByTagName("a")[0].href, name = chapLink.substr(chapLink.indexOf("/") + 1);
				data.push({
					name: chap.getElementsByTagName("h2")[0].textContent,
					link: domain + chap.getElementsByTagName("a")[0].href,
					upload_date: chap.getElementsByTagName("td")[1].textContent,
					code: name.substr(0, name.indexOf(".html"))
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Getting images of a chapter
-----------------------------------------------------------------
*/
app.get("/read/:code", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/" + req.params.code + ".html";
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = {
				comic: {
					name: document.getElementsByClassName("bar-title-episode")[0].getElementsByTagName("a")[0].textContent,
					link: domain + document.getElementsByClassName("bar-title-episode")[0].getElementsByTagName("a")[0].href,
					id: parseInt(document.getElementsByClassName("bar-title-episode")[0].getElementsByTagName("a")[0].href.substr(1, document.getElementsByClassName("bar-title-episode")[0].getElementsByTagName("a")[0].href.indexOf("-")))
				},
				chapter_name: document.getElementById("unzoom").getElementsByTagName("li")[3].getElementsByTagName("a")[0].textContent.replace("\n", ""),
				images: []
			};
			var imgs = document.getElementById("image").getElementsByTagName("img");
			for (var i = 0; i < imgs.length; i++) {
				data.images.push(imgs[i].src);
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Getting information of an author
-----------------------------------------------------------------
*/
app.get("/author/:name", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/tacgia=" + encodeURIComponent(req.params.name) + ".html?page=" + (req.query.page || 1);
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			if (document.getElementsByClassName("block-item")[0].getElementsByTagName("li")[0].textContent == "Not found") return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = [], comics = document.getElementsByClassName("item");
			for (var i = 0; i < comics.length; i++) {
				var comic = document.getElementsByClassName("item")[i];
				var info = comic.getElementsByTagName("p");
				var other_names = [], tags = [], views;
				for (var j = 1; j < info.length; j++) {
					switch (info[j].getElementsByClassName("info")[0].textContent) {
						case "Tên Khác: ": {
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) other_names.push({
								name: info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].textContent,
								link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href
							});
							break;
						}
						case "Thể Loại: ": {
							tags = [];
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) {
								var tagLink = info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href, name = tagLink.substr(tagLink.indexOf("the-loai-") + 9);
								tags.push({
									name: info[j].getElementsByTagName("span")[k].textContent,
									link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href,
									tag: name.substr(0, name.indexOf(".html"))
								});
							}
							break;
						}
						case "Lượt xem: ": {
							views = parseInt(info[j].textContent.substr(11).replace(".", "").replace(".", ""))
							break;
						}
					}
				}
				data.push({
					name: comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent,
					id: parseInt(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.substr(1, comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.indexOf("-") - 1)),
					link: domain + comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href,
					chapter_status: comic.getElementsByClassName("box-description")[0].getElementsByTagName("p")[0].textContent.substr(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent.length + 4),
					tags: tags,
					other_names: other_names,
					views: views
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});
/*
-----------------------------------------------------------------
	Getting information of a character
-----------------------------------------------------------------
*/
app.get("/character/:name", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/char=" + encodeURIComponent(req.params.name) + ".html?page=" + (req.query.page || 1);
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			if (document.getElementsByClassName("block-item")[0].getElementsByTagName("li")[0].textContent == "Not found") return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = [], comics = document.getElementsByClassName("item");
			for (var i = 0; i < comics.length; i++) {
				var comic = document.getElementsByClassName("item")[i];
				var info = comic.getElementsByTagName("p");
				var other_names = [], tags = [], views;
				for (var j = 1; j < info.length; j++) {
					switch (info[j].getElementsByClassName("info")[0].textContent) {
						case "Tên Khác: ": {
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) other_names.push({
								name: info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].textContent,
								link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href
							});
							break;
						}
						case "Thể Loại: ": {
							tags = [];
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) {
								var tagLink = info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href, name = tagLink.substr(tagLink.indexOf("the-loai-") + 9);
								tags.push({
									name: info[j].getElementsByTagName("span")[k].textContent,
									link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href,
									tag: name.substr(0, name.indexOf(".html"))
								});
							}
							break;
						}
						case "Lượt xem: ": {
							views = parseInt(info[j].textContent.substr(11).replace(".", "").replace(".", ""))
							break;
						}
					}
				}
				data.push({
					name: comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent,
					id: parseInt(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.substr(1, comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.indexOf("-") - 1)),
					link: domain + comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href,
					chapter_status: comic.getElementsByClassName("box-description")[0].getElementsByTagName("p")[0].textContent.substr(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent.length + 4),
					tags: tags,
					other_names: other_names,
					views: views
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Getting information of a doujinshi
-----------------------------------------------------------------
*/
app.get("/doujin/:name", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/tim-kiem-doujinshi.html?key=" + encodeURIComponent(req.params.name) + "&page=" + (req.query.page || 1);
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			if (document.getElementsByClassName("block-item")[0].getElementsByTagName("li")[0].textContent == "Not found") return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = [], comics = document.getElementsByClassName("item");
			for (var i = 0; i < comics.length; i++) {
				var comic = document.getElementsByClassName("item")[i];
				var info = comic.getElementsByTagName("p");
				var other_names = [], tags = [], views;
				for (var j = 1; j < info.length; j++) {
					switch (info[j].getElementsByClassName("info")[0].textContent) {
						case "Tên Khác: ": {
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) other_names.push({
								name: info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].textContent,
								link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href
							});
							break;
						}
						case "Thể Loại: ": {
							tags = [];
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) {
								var tagLink = info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href, name = tagLink.substr(tagLink.indexOf("the-loai-") + 9);
								tags.push({
									name: info[j].getElementsByTagName("span")[k].textContent,
									link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href,
									tag: name.substr(0, name.indexOf(".html"))
								});
							}
							break;
						}
						case "Lượt xem: ": {
							views = parseInt(info[j].textContent.substr(11).replace(".", "").replace(".", ""))
							break;
						}
					}
				}
				data.push({
					name: comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent,
					id: parseInt(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.substr(1, comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.indexOf("-") - 1)),
					link: domain + comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href,
					chapter_status: comic.getElementsByClassName("box-description")[0].getElementsByTagName("p")[0].textContent.substr(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent.length + 4),
					tags: tags,
					other_names: other_names,
					views: views
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Getting information of a tag
-----------------------------------------------------------------
*/
app.get("/tag/:tag", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/the-loai-" + encodeURIComponent(req.params.tag) + ".html?page=" + (req.query.page || 1);
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			if (document.getElementsByClassName("block-item")[0].getElementsByTagName("li")[0].textContent == "Not found") return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = [], comics = document.getElementsByClassName("item");
			for (var i = 0; i < comics.length; i++) {
				var comic = document.getElementsByClassName("item")[i];
				var info = comic.getElementsByTagName("p");
				var other_names = [], tags = [], views;
				for (var j = 1; j < info.length; j++) {
					switch (info[j].getElementsByClassName("info")[0].textContent) {
						case "Tên Khác: ": {
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) other_names.push({
								name: info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].textContent,
								link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href
							});
							break;
						}
						case "Thể Loại: ": {
							tags = [];
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) {
								var tagLink = info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href, name = tagLink.substr(tagLink.indexOf("the-loai-") + 9);
								tags.push({
									name: info[j].getElementsByTagName("span")[k].textContent,
									link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href,
									tag: name.substr(0, name.indexOf(".html"))
								});
							}
							break;
						}
						case "Lượt xem: ": {
							views = parseInt(info[j].textContent.substr(11).replace(".", "").replace(".", ""))
							break;
						}
					}
				}
				data.push({
					name: comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent,
					link: domain + comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href,
					id: parseInt(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.substr(1, comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.indexOf("-") - 1)),
					chapter_status: comic.getElementsByClassName("box-description")[0].getElementsByTagName("p")[0].textContent.substr(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent.length + 4),
					tags: tags,
					other_names: other_names,
					views: views
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});


/*
-----------------------------------------------------------------
	Getting information of an user
-----------------------------------------------------------------
*/
app.get("/user/:id", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/user-" + encodeURIComponent(req.params.id);
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			if (document.getElementsByClassName("block-top").length > 0) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = {
				user: {
					username: document.getElementsByClassName("wall-name")[0].getElementsByTagName("h2")[0].textContent,
					main_badge: {
						image_url: document.getElementsByClassName("wall-name")[0].getElementsByTagName("p")[0].getElementsByTagName("img")[0].src,
						name: document.getElementsByClassName("wall-name")[0].getElementsByTagName("p")[0].getElementsByTagName("b")[0].textContent,
						description: document.getElementsByClassName("wall-name")[0].getElementsByTagName("p")[1].textContent
					},
					avatar_url: document.getElementsByClassName("wall-avatar")[0].getElementsByTagName("img")[0].src.includes("https://") ? document.getElementsByClassName("wall-avatar")[0].getElementsByTagName("img")[0].src : (domain + document.getElementsByClassName("wall-avatar")[0].getElementsByTagName("img")[0].src),
					forum_link: domain + "/forum/user-" + req.params.id
				},
				waifus: [],
				uploaded_comics: [],
				latest_comments: []
			};
			var info = document.getElementsByClassName("info-row");
			for (var i = 0; i < info.length; i++) {
				switch (info[i].getElementsByClassName("col-1")[0].textContent) {
					case "Trưởng nhóm:": {
						data.user.group = {
							name: info[i].getElementsByClassName("col-2")[0].getElementsByTagName("a")[0].textContent,
							link: domain + info[i].getElementsByClassName("col-2")[0].getElementsByTagName("a")[0].href,
							leader: true
						};
						break;
					}
					case "Thành viên nhóm:": {
						data.user.group = {
							name: info[i].getElementsByClassName("col-2")[0].getElementsByTagName("a")[0].textContent,
							link: domain + info[i].getElementsByClassName("col-2")[0].getElementsByTagName("a")[0].href,
							leader: false
						};
						break;
					}
					case "Giới tính:": {
						data.user.gender = info[i].getElementsByClassName("col-2")[0].textContent;
						break;
					}
					case "Ngày sinh:": {
						data.user.birth_date = info[i].getElementsByClassName("col-2")[0].textContent;
						break;
					}
					case "Gia nhập:": {
						var joined = info[i].getElementsByClassName("col-2")[0].textContent.split(" - ");
						data.user.joined = {
							date: joined[1],
							time: joined[0]
						};
						break;
					}
					case "Đã bình luận:": {
						data.user.comments = parseInt(info[i].getElementsByClassName("col-2")[0].textContent);
						break;
					}
					case "Được thích:": {
						data.user.likes = parseInt(info[i].getElementsByClassName("col-2")[0].textContent);
						break;
					}
					case "Yên:": {
						data.user.yen = parseInt(info[i].getElementsByClassName("col-2")[0].textContent);
						break;
					}
					case "Danh Hiệu:": {
						data.user.badges_list_link = domain + "/forum/huy_hieu.php?id_user=" + req.params.id;
						data.user.badges = [];
						var badges = info[i].getElementsByClassName("col-2")[0].getElementsByTagName("img");
						for (var j = 0; j < badges.length; j++) {
							var name = badges[j].title.split(" - ");
							data.user.badges.push({
								name: name[0],
								description: name[1],
								icon_url: badges[j].src
							});
						}
						break;
					}
					case "Giới thiệu:": {
						data.user.introduction = info[i].getElementsByClassName("col-2")[0].textContent;
						break;
					}
				}
			}
			var box = document.getElementsByClassName("left-info");
			for (var i = 1; i < box.length; i++) {
				switch (box[i].getElementsByClassName("bar-title-blue")[0].textContent) {
					case "Waifu": {
						var waifus = box[i].getElementsByClassName("item");
						for (var j = 0; j < waifus.length; j++) {
							data.waifus.push({
								name: waifus[j].getElementsByTagName("div")[1].getElementsByTagName("b")[0].textContent,
								current_level: parseInt(waifus[j].getElementsByTagName("div")[1].getElementsByTagName("b")[1].textContent.substr(7, 1)),
								max_level: parseInt(waifus[j].getElementsByTagName("div")[1].getElementsByTagName("b")[1].textContent.substr(9)),
								hearts: parseInt(waifus[j].getElementsByTagName("div")[1].getElementsByTagName("b")[2].textContent.substr(1)),
								description: waifus[j].getElementsByTagName("div")[1].getElementsByTagName("span")[0].textContent
							});
						}
						break;
					}
					case "Truyện đã upload": {
						var comics  = box[i].getElementsByClassName("item");
						for (var x = 0; x < comics.length; x++) {
							var comic = comics[x], comicLink = comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.substr(1);
							var comicData = {
								name: comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent,
								id: parseInt(comicLink.substr(0, comicLink.indexOf("-"))),
								link: domain + comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href,
								chapter_status: comic.getElementsByClassName("box-description")[0].getElementsByTagName("h2")[0].textContent.substr(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent.length + 4),
								other_names: [],
								tags: []
							};
							var info = comic.getElementsByTagName("p");
							for (var j = 0; j < info.length; j++) {
								switch (info[j].getElementsByTagName("b")[0].textContent) {
									case "Tên Khác: ": {
										for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) comicData.other_names.push({
											name: info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].textContent,
											link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href
										});
										break;
									}
									case "Thể Loại: ": {
										for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) {
											var tagLink = info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href, name = tagLink.substr(tagLink.indexOf("the-loai-") + 9);
											comicData.tags.push({
												name: info[j].getElementsByTagName("span")[k].textContent,
												link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href,
												tag: name.substr(0, name.indexOf(".html"))
											});
										}
										break;
									}
								}
							}
							data.uploaded_comics.push(comicData);
						}
						break;
					}
					break;
				}
			}
			var comments = document.getElementById("top-newest-comment").getElementsByTagName("article");
			for (var i = 0; i < comments.length; i++) {
				var comment = comments[i], comicLink = comment.getElementsByTagName("i")[0].getElementsByTagName("a")[0].href.substr(1);
				data.latest_comments.push({
					time: comment.getElementsByTagName("i")[0].textContent.substr(1, comment.getElementsByTagName("i")[0].textContent.indexOf(comment.getElementsByTagName("i")[0].getElementsByTagName("a")[0].textContent.split(" ")[0]) - 1),
					comic: {
						name: comment.getElementsByTagName("i")[0].getElementsByTagName("a")[0].textContent,
						link: domain + comment.getElementsByTagName("i")[0].getElementsByTagName("a")[0].href,
						id: parseInt(comicLink.substr(0, comicLink.indexOf("-")))
					},
					content: comment.getElementsByTagName("p")[0].textContent
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Searching comics with a query
-----------------------------------------------------------------
*/
app.get("/search/:query", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/tim-kiem-truyen.html?key=" + encodeURIComponent(req.params.query) + "&page=" + (req.query.page || 1);
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			if (document.getElementsByClassName("block-item")[0].getElementsByTagName("li")[0].textContent == "Not found") return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = [], comics = document.getElementsByClassName("item");
			for (var i = 0; i < comics.length; i++) {
				var comic = document.getElementsByClassName("item")[i];
				var info = comic.getElementsByTagName("p");
				var other_names = [], tags = [], views;
				for (var j = 1; j < info.length; j++) {
					switch (info[j].getElementsByClassName("info")[0].textContent) {
						case "Tên Khác: ": {
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) other_names.push({
								name: info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].textContent,
								link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href
							});
							break;
						}
						case "Thể Loại: ": {
							tags = [];
							for (var k = 0; k < info[j].getElementsByTagName("span").length; k++) {
								var tagLink = info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href, name = tagLink.substr(tagLink.indexOf("the-loai-") + 9);
								tags.push({
									name: info[j].getElementsByTagName("span")[k].textContent,
									link: domain + info[j].getElementsByTagName("span")[k].getElementsByTagName("a")[0].href,
									tag: name.substr(0, name.indexOf(".html"))
								});
							}
							break;
						}
						case "Lượt xem: ": {
							views = parseInt(info[j].textContent.substr(11).replace(".", "").replace(".", ""))
							break;
						}
					}
				}
				data.push({
					name: comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent,
					id: parseInt(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.substr(1, comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href.indexOf("-") - 1)),
					link: domain + comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].href,
					chapter_status: comic.getElementsByClassName("box-description")[0].getElementsByTagName("p")[0].textContent.substr(comic.getElementsByClassName("box-description")[0].getElementsByTagName("a")[0].textContent.length + 4),
					tags: tags,
					other_names: other_names,
					views: views
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Getting latest topics
-----------------------------------------------------------------
*/
app.get("/forum/topic/latest", function(req, res) {
	// Add some headers
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	// Declaring the time and URL variable
	var time = new Date(), url = domain + "/forum";
	// Getting content from the website
	request(url, function(error, response, body) {
		// Returning error if have
		if (error) return res.status(500).send({success: false, error_code: 500, message: error.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		if (response.statusCode != 200) return res.status(503).send({success: false, error_code: 503, message: "The target website returned a " + response.statusCode + " error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		// Declaring the ping variable
		var ping = new Date().getTime() - time.getTime();
		// Parsing content
		const dom = new JSDOM(body), document = dom.window.document;
		try {
			if (document.title.includes("404")) return res.status(404).send({success: false, error_code: 404, message: "The target website returned a 404 error.", url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
			var data = [];
			var topics = document.getElementsByClassName("link_visit");
			for (var i = 0; i < topics.length; i++) {
				var topic = topics[i];
				data.push({
					type: topic.getElementsByClassName("prefix")[0].textContent,
					name: topic.getElementsByTagName("a")[0].textContent.substr(topic.getElementsByClassName("prefix")[0].textContent.length + 2),
					link: domain + topic.getElementsByTagName("a")[0].href,
					last_answered_user: topic.getElementsByClassName("lastRight")[0].getElementsByTagName("strong")[0].textContent
				});
			}
		}
		catch (err) {
			console.error(err);
			return res.status(500).send({success: false, error_code: 500, message: err.toString(), url: url, documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
		}
		// Returning the normal status
		return res.send({success: true, url: url, ping: ping + "ms", data: data});
	});
});

/*
-----------------------------------------------------------------
	Error handling
-----------------------------------------------------------------
*/
app.use(function(req, res, next) {
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Content-Type", "application/json");
	res.status(404).send({success: false, error_code: 404, message: "Invalid endpoint.", url: "", documentation_url: "https://www.github.com/LilShieru/Touwa/wiki"});
});


/*
-----------------------------------------------------------------
	Open the API port
-----------------------------------------------------------------
*/
app.listen(process.env.PORT || 3000, function () {
  console.log('Touwa API has been started successfully!');
});