// ==UserScript==
// @name         简法主页功能增强
// @namespace    http://tampermonkey.net/
// @version      0.8
// @description  在简法主页上增加其他个性化设置
// @author       那年那兔那些事
// @match        https://www.jianfast.com
// @icon         https://s3.bmp.ovh/imgs/2021/08/2a5feb8f5f886e70.png
// @downloadURL none
// ==/UserScript==

(function() {
	//存储功能
	var store = {
		set: function(key, val) {
			if (!val) {
				return;
			}
			try {
				var json = JSON.stringify(val);
				if (typeof JSON.parse(json) === "object") { // 验证一下是否为JSON字符串防止保存错误
					localStorage.setItem(key, json);
				}
			} catch (e) {
				return false;
			}
		},
		get: function(key) {
			if (this.has(key)) {
				return JSON.parse(localStorage.getItem(key));
			}
		},
		has: function(key) {
			if (localStorage.getItem(key)) {
				return true;
			} else {
				return false;
			}
		},
		del: function(key) {
			localStorage.removeItem(key);
		}
	};
	//settings对象为设置项
	var settings = {
		settingsData: {
			searchEngine: true, //true:当前标签页打开搜索结果;false:新标签页打开搜索结果
			bookMarks: true, //true:当前标签页打开书签网页;false:新标签页打开书签网页
		},
		//get方法获取settings对象属性
		get: function(key) {
			return this.settingsData[key];
		},
		//get方法获取settings对象所有属性
		getAll: function() {
			return this.settingsData;
		},
		//set方法设置settings对象属性
		set: function(key, value) {
			if (typeof value === "boolean") {
				this.settingsData[key] = value;
			} else {
				console.log("value错误");
			}
		},
		//initData方法初始化settings对象属性
		initData: function() {
			var localData = store.get("settingsData");
			var settingsData = this.settingsData;
			if (localData) {
				this.settingsData = {
					...settingsData,
					...localData
				};
			} else {
				store.set("settingsData", this.settingsData);
			}
		},
		//init方法初始化搜索引擎与书签的打开方式
		init: function() {
			newSettingsPageFn.init();
			if (this.settingsData.searchEngine) {
				searchEngine.init();
			}
			if (this.settingsData.bookMarks) {
				bookMarks.init();
			}
			console.log("简法主页功能增强:初始化完成");
		},
		//monitor方法用于检错、监控修改结果
		monitor: function() {
			var Timer = setInterval(function() {
				if (settings.get("searchEngine")) {
					searchEngine.monitor();
				}
				if (settings.get("bookMarks")) {
					bookMarks.monitor();
				}
			}, 500);
			console.log("简法主页功能增强:检错程序启动(定时器ID:" + Timer + ")");
		},
		//on方法用于启动整个程序
		on: function() {
			console.log("简法主页功能增强:主程序启动");
			this.init();
			this.monitor();
		}
	}
	//searchEngine对象为搜索引擎项
	var searchEngine = {
		//change方法用于改变搜索按钮类型，从而便于覆盖搜索打开方式
		change: function() {
			var searchBtn = document.getElementById("search-btn");
			searchBtn.type = "text";
		},
		//click方法用于覆盖原搜索按钮方法
		click: function() {
			var searchBar = document.getElementById("search");
			var url = searchBar.getAttribute("data-engine-start");
			var val = searchBar.value;
			location.href = url + val;
		},
		//enter方法用于覆盖原回车搜索方法
		enter: function(event) {
			if (event.keyCode === 13) {
				var searchBtn = document.getElementById("search-btn");
				searchBtn.click();
			}
		},
		//init方法用于初始化搜索引擎，覆盖新方法
		init: function() {
			searchEngine.change();
			var searchBtn = document.getElementById("search-btn");
			searchBtn.onclick = searchEngine.click;
			var searchBar = document.getElementById("search");
			searchBar.onkeydown = searchEngine.enter;
		},
		//monitor方法用于检错、监控修改结果，若出错则调用init方法重新覆盖
		monitor: function() {
			var searchBtn = document.getElementById("search-btn");
			var searchBar = document.getElementById("search");
			if (searchBtn.type !== "text" || searchBtn.onclick === null || searchBar.onkeydown === null) {
				this.init();
			}
		}
	}
	//bookMarks对象为收藏书签项
	var bookMarks = {
		//change方法用于改变书签打开方式
		change: function(Obj) {
			if (Obj.target !== "") {
				Obj.target = "";
			}
		},
		//init方法用于遍历书签并调用change方法改变打开方式
		init: function() {
			var siteBox = document.getElementById("site-box");
			var aBox, aBoxLen;
			try {
				aBox = siteBox.children;
				aBoxLen = aBox.length;
			} catch (e) {
				aBox = null;
				aBoxLen = 0;
			}
			if (aBoxLen > 0) {
				for (let i = 0; i < aBoxLen; i++) {
					this.change(aBox[i]);
				}
			}
		},
		//monitor方法用于检错程序
		monitor: function() {
			this.init();
		}
	}
	//newSettingsPageFn为增强设置页
	var newSettingsPageFn = {
		optData: [{
			tittle: "搜索结果打开方式",
			value: "searchEngine",
			choice: [{
				t: "当前标签页",
				v: true
			}, {
				t: "新标签页",
				v: false
			}]
		}, {
			tittle: "收藏书签打开方式",
			value: "bookMarks",
			choice: [{
				t: "当前标签页",
				v: true
			}, {
				t: "新标签页",
				v: false
			}]
		}],
		clickFn: function(id, key) {
			var Obj = document.getElementById(id);
			var setValue = settings.get(key);
			var optValue = Obj.value;
			if (setValue !== optValue) {
				settings.set(key, optValue);
				var newObj = Obj.parentElement.children;
				for (let i = 0; i < newObj.length; i++) {
					if (newObj[i].id === id) {
						newObj[i].style.border = "1px solid #2c7bf6";
						newObj[i].style.color = "#2c7bf6";
					} else {
						newObj[i].style.border = "1px solid rgba(0, 0, 0, 0.1)";
						newObj[i].style.color = "";
					}
				}
				saveFlag = true;
				var newSaveBox = document.getElementById("new-save-box");
				if (newSaveBox && newSaveBox.style.display === "none") {
					newSaveBox.style.display = "flex";
				}
				var tittleBox = document.getElementById("console-title-box");
				if (tittleBox && tittleBox.style.display !== "none") {
					tittleBox.style.display = "none";
				}
			}
		},
		createTittle: function(val) {
			var Box = document.createElement("div");
			Box.setAttribute("class", "console-bigTitle");
			Box.innerText = val;
			return Box;
		},
		createChoiceBtn: function(choice, id) {
			var Btn = document.createElement("div");
			var BtnID = id + "-" + choice.v;
			var key = id.slice("moreSet-Opt-".length);
			Btn.style =
				"padding: 0 10px;width: 30%;margin: 5px;height: 25px;box-sizing: border-box;line-height: 23px;text-align: center;border-radius: 100px;font-size: 13px;border: 1px solid rgba(0, 0, 0, 0.1);cursor: pointer;user-select: none;transition: all .3s;";
			Btn.innerText = choice.t;
			Btn.value = choice.v;
			Btn.id = BtnID;
			Btn.onclick = function() {
				newSettingsPageFn.clickFn(BtnID, key);
			};
			if (settings.get(key) === choice.v) {
				Btn.style.border = "1px solid #2c7bf6";
				Btn.style.color = "#2c7bf6";
			}
			return Btn;
		},
		createChoice: function(value, choice) {
			var Box = document.createElement("div");
			var BoxID = "moreSet-Opt-" + value;
			Box.style =
				"width:100%;display:flex;justify-content:space-between;flex-flow:row wrap;margin-top:20px;";
			Box.id = BoxID
			var Btn;
			if (Array.isArray(choice)) {
				for (let i = 0; i < choice.length; i++) {
					Btn = this.createChoiceBtn(choice[i], BoxID);
					Box.appendChild(Btn);
				}
			} else {
				Btn = this.createChoiceBtn(choice, BoxID);
				Box.appendChild(Btn);
			}
			return Box;
		},
		createOpt: function(tittle, value, choice) {
			var ResObj = false;
			if (tittle && value && choice) {
				ResObj = document.createElement("div");
				var newTittle = this.createTittle(tittle);
				var newChoice = this.createChoice(value, choice);
				ResObj.appendChild(newTittle);
				ResObj.appendChild(newChoice);
			}
			return ResObj;
		},
		createPage: function(val) {
			var settingBox = document.createElement("div");
			settingBox.id = "console-moreSet-content";
			settingBox.style.display = "none";
			var newOpt;
			for (let i = 0; i < val.length; i++) {
				newOpt = this.createOpt(val[i].tittle, val[i].value, val[i].choice);
				settingBox.appendChild(newOpt);
			}
			document.getElementById("console-box").appendChild(settingBox);
		},
		createMenu: function() {
			var menuBtn = document.createElement("div");
			menuBtn.setAttribute("class", "console-menu-btn");
			menuBtn.id = "moreSetBtn";
			menuBtn.innerText = "增强设置";
			menuBtn.onclick = this.on;
			document.getElementById("console-menu-main").appendChild(menuBtn);
		},
		createSaveBtn: function() {
			var oldSaveBox = document.getElementById("save-box");
			var newSaveBox = document.createElement("div");
			newSaveBox.style.display = "none";
			newSaveBox.id = "new-save-box";
			var newSaveBtn = document.createElement("div");
			newSaveBtn.style =
				"font-size: 14px;display: flex;justify-content: center;align-items: center;background-color: #4486f6;color: white;height: 25px;width: 120px;border-radius: 100px;margin-right: 10px;cursor: pointer;";
			var newSaveIcon = document.createElement("img");
			newSaveIcon.style = "width: 13px;height: 13px;margin-right: 5px;";
			newSaveIcon.setAttribute("src", "/static/home/images/console/saveicon.svg");
			var newSaveTittle = document.createElement("span");
			newSaveTittle.innerText = "保存并应用";
			newSaveBtn.onclick = function() {
				if (saveFlag) {
					store.set("settingsData", settings.getAll());
					saveFlag = false;
					console.log("保存增强设置");
					setTimeout(function(){
						var msgBox = document.getElementById("msg-box");
						msgBox.style = "opacity:0.8;margin-top:50px;display:inline-block;";
						msgBox.innerText = "增强设置保存成功";
						setTimeout(function(){
							location.reload();
						},500);
					},300);
				}
				document.getElementById("console-close-btn").click();
			};
			newSaveBtn.appendChild(newSaveIcon);
			newSaveBtn.appendChild(newSaveTittle);
			newSaveBox.appendChild(newSaveBtn);
			oldSaveBox.parentElement.insertBefore(newSaveBox, oldSaveBox);
		},
		on: function() {
			var moreSetPage = document.getElementById("console-moreSet-content");
			if (moreSetPage) {
				document.getElementsByClassName("console-title-img")[0].src =
					"/static/home/images/console/set1.svg";
				document.getElementsByClassName("console-title")[0].innerText = "增强设置";
				document.getElementById("console-menu").style.display = "none";
				moreSetPage.style.display = "block";
			} else {
				console.log("增强设置页不存在");
			}
		},
		off: function() {
			var moreSetPage = document.getElementById("console-moreSet-content");
			var newSaveBox = document.getElementById("new-save-box");
			if (moreSetPage && moreSetPage.style.display !== "none") {
				moreSetPage.style.display = "none";
			}
			if (newSaveBox.style.display !== "none") {
				newSaveBox.style.display = "none";
			}
		},
		init: function() {
			settings.initData();
			var closeBtn = document.getElementById("console-close-btn");
			if (closeBtn) {
				closeBtn.addEventListener("click", newSettingsPageFn.off);
			}
			this.createMenu();
			this.createSaveBtn();
			this.createPage(this.optData);
		}
	};

	//启动主程序
	var saveFlag = false;
	settings.on();
})();