// ==UserScript==
// @name         简法主页功能增强
// @namespace    http://tampermonkey.net/
// @version      0.12
// @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
// @match        https://www.jianfast.com/?pc=1
// @match        https://www.jianfast.com/m
// @icon         https://s3.bmp.ovh/imgs/2021/08/2a5feb8f5f886e70.png
// @downloadURL none
// ==/UserScript==

(function() {
	//store为本地存储功能
	var store = {
		//set方法在localstorage中修改指定JSON数据
		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方法在localstorage中获取指定JSON数据
		get: function(key) {
			if (this.has(key)) {
				return JSON.parse(localStorage.getItem(key));
			}
		},
		//has方法在localstorage中查询指定JSON数据是否存在
		has: function(key) {
			if (localStorage.getItem(key)) {
				return true;
			} else {
				return false;
			}
		},
		//del方法在localstorage中删除指定JSON数据
		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
			settingsPurify: true, //true:启动设置页广告净化;false:关闭设置页广告净化
			hideRandBg: true //true:启动主页随机背景入口隐藏;false:关闭主页随机背景入口隐藏
		},
		//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() {
			this.initData();
			newSettingsPageFn.init();
			searchEngine.init();
			bookMarks.init();
			settingsPurify.init();
			hideRandBg.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() {
				searchEngine.monitor();
				bookMarks.monitor();
				settingsPurify.monitor();
				hideRandBg.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");
			if (searchBtn) {
				searchBtn.type = "text";
			}
		},
		//click方法用于覆盖原搜索按钮点击方法
		click: function() {
			if (location.href.search("jianfast.com/m") === -1) {
				var searchBar = document.getElementById("search");
				var url = searchBar.getAttribute("data-engine-start");
				var val = searchBar.value;
				if (settings.get("searchEngine")) {
					location.href = url + val;
				} else {
					open(url + val);
				}
			}
		},
		//enter方法用于覆盖原回车搜索方法
		enter: function(event) {
			if (event.keyCode === 13) {
				searchEngine.click();
			}
		},
		//initSearch方法用于初始化搜索引擎，覆盖新方法
		initSearch: function() {
			searchEngine.change();
			var searchBtn = document.getElementById("search-btn");
			if (searchBtn) {
				searchBtn.onclick = this.click;
			}
			var searchBar = document.getElementById("search");
			if (searchBar) {
				searchBar.onkeydown = this.enter;
			}
		},
		//keywordClick方法用于覆盖原联想词点击方法
		keywordClick: function(target) {
			var searchBar = document.getElementById("search");
			searchBar.value = target.innerText;
			this.click();
		},
		//keywordOver方法用于覆盖原联想词鼠标事件(置于上方)方法
		keywordOver: function(target) {
			var targetPare = target.parentElement;
			if (targetPare && targetPare.childElementCount > 0) {
				for (let i = 0; i < targetPare.childElementCount; i++) {
					this.keywordLeave(targetPare.children[i]);
				}
			}
			target.style = "background-color: rgb(241, 241, 241);";
		},
		//keywordLeave方法用于覆盖原联想词鼠标事件(离开)方法
		keywordLeave: function(target) {
			target.style = "background-color: rgba(255, 255, 255, 0.3);";
		},
		//initKeyword方法用于初始化联想词，覆盖新方法
		initKeyword: function(keywordBox) {
			if (keywordBox) {
				keywordBox.innerHTML = keywordBox.innerHTML; //初始化，覆盖原方法
				var keyword = keywordBox.children;
				if (keyword.length > 0) {
					for (let i = 0; i < keyword.length; i++) {
						keyword[i].onmouseover = function() {
							searchEngine.keywordOver(keyword[i]);
						};
						keyword[i].onmouseleave = function() {
							searchEngine.keywordLeave(keyword[i]);
						};
						keyword[i].onclick = function() {
							searchEngine.keywordClick(keyword[i]);
						};
					}
				}
			}
		},
		//initSearch方法用于初始化搜索引擎，覆盖新方法
		init: function() {
			this.initSearch();
			this.initKeyword();
		},
		//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 searchForm = document.getElementById("search-form");
			var searchBar = document.getElementById("search");
			var searchBtn = document.getElementById("search-btn");
			if ((searchBar && searchBar.onkeydown === null) || (searchBtn && searchBtn.type !== "text") || (
					searchBtn && searchBtn.onclick === null)) {
				this.initSearch();
			}
			var keywordBox = document.getElementById("search-keyword-box");
			if (keywordBox && keywordBox.childElementCount > 0) {
				var keywordInitFlag = false;
				var keyword = keywordBox.children;
				for (let i = 0; i < keyword.length; i++) {
					if (keyword[i].onmouseover === null || keyword[i].onmouseleave === null || keyword[i]
						.onclick === null) {
						keywordInitFlag = true;
						break;
					}
				}
				if (keywordInitFlag) {
					this.initKeyword(keywordBox);
				}
			}
		}
	}
	//bookMarks对象为主页书签项
	var bookMarks = {
		//change方法用于改变书签打开方式
		change: function(Obj) {
			if (settings.get("bookMarks") && Obj.target !== "") {
				Obj.target = "";
			} else if (!settings.get("bookMarks") && Obj.target !== "_blank") {
				Obj.target = "_blank";
			}
		},
		//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, aBox, aBoxLen;
			var idArray = ["site-box", "site-wrap"];
			for (let i = 0; i < idArray.length; i++) {
				siteBox = document.getElementById(idArray[i])
				if (siteBox) {
					break;
				}
			}
			if (siteBox && siteBox.childElementCount > 0) {
				for (let i = 0; i < siteBox.childElementCount; i++) {
					this.change(siteBox.children[i]);
				}
			}
		},
		//monitor方法用于检错程序
		monitor: function() {
			this.init();
		}
	}
	//settingsPurify为设置页净化功能
	var settingsPurify = {
		//init方法用于初始化净化广告
		init: function() {
			var adObj = document.getElementsByClassName("console-bottom-ad")[0];
			if (adObj) {
				if (settings.get("settingsPurify") && adObj.style.display !== "none") {
					adObj.style.display = "none";
				} else if (!settings.get("settingsPurify") && adObj.style.display === "none") {
					adObj.style.display = "";
				}
			}
			var bottomBtnBox = document.getElementById("console-bottom-btn-box");
			if (bottomBtnBox) {
				var bottomBtn = bottomBtnBox.children[1];
				if (bottomBtn) {
					if (settings.get("settingsPurify") && bottomBtn.innerText === "设为主页") {
						bottomBtn.innerText = "移动版";
						bottomBtn.href = "/m";
						bottomBtn.target = "";
					} else if (!settings.get("settingsPurify") && bottomBtn.innerText !== "设为主页") {
						bottomBtn.innerText = "设为主页";
						bottomBtn.href = "/zhuye";
						bottomBtn.target = "_blank";
					}
				}
				bottomBtn = bottomBtnBox.children[2];
				if (bottomBtn) {
					if (settings.get("settingsPurify") && bottomBtn.innerText === "关于") {
						bottomBtn.innerText = "问题反馈";
						bottomBtn.href = "/contact";
						bottomBtn.target = "_blank";
					} else if (!settings.get("settingsPurify") && bottomBtn.innerText !== "关于") {
						bottomBtn.innerText = "关于";
						bottomBtn.href = "/about";
						bottomBtn.target = "_blank";
					}
				}
			}
		},
		//monitor方法用于检错程序
		monitor: function() {
			this.init();
		}
	}
	//hideRandBg为主页随机背景入口隐藏功能
	var hideRandBg = {
		//init方法用于初始化入口隐藏
		init: function() {
			var randBgBtn = document.getElementById("rand-bg-btn");
			if (randBgBtn) {
				if (settings.get("hideRandBg") && randBgBtn.style.display !== "none") {
					randBgBtn.style.display = "none";
				} else if (!settings.get("hideRandBg") && randBgBtn.style.display === "none") {
					randBgBtn.style.display = "";
				}
			}
		},
		//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: "主页书签打开方式",
			value: "bookMarks",
			choice: [{
				t: "当前标签页",
				v: true
			}, {
				t: "新标签页",
				v: false
			}]
		}, {
			tittle: "设置页广告净化",
			value: "settingsPurify",
			choice: [{
				t: "开启净化",
				v: true
			}, {
				t: "关闭净化",
				v: false
			}]
		}, {
			tittle: "随机背景入口隐藏",
			value: "hideRandBg",
			choice: [{
				t: "开启隐藏",
				v: true
			}, {
				t: "关闭隐藏",
				v: false
			}]
		}, {
			tittle: "关于脚本",
			type: "note",
			noteData: [{
				l: "当前版本",
				r: "Version0.12"
			}, {
				l: "版本更新",
				r: "<a href='https://greasyfork.org/zh-CN/scripts/431279' style:'color:black'>GreasyFork</a>"
			}, {
				l: "反馈建议",
				r: "<a href='https://greasyfork.org/zh-CN/scripts/431279/feedback' style:'color:black'>点此处反馈</a>"
			}]
		}],
		//clickFn方法为设置选项按钮的点击功能
		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方法创建一个盛放设置标题的元素对象
		createTittle: function(val) {
			var Box = document.createElement("div");
			Box.setAttribute("class", "console-bigTitle");
			Box.innerText = val;
			return Box;
		},
		//createChoiceBtn方法创建一个设置选项按钮对象
		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: 35%;margin: 5px 10px;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方法创建一个设置选项按钮对象的集合对象
		createChoice: function(value, choice) {
			var Box = document.createElement("div");
			var BoxID = "moreSet-Opt-" + value;
			Box.style =
				"width:100%;display:flex;justify-content:center;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方法创建一个完整的设置项对象
		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;
		},
		createNoteText: function(data) {
			var textObj = document.createElement("div");
			textObj.style = "width:100%;margin:5px;";
			textObj.innerHTML = "<span>" + data.l + "</span><span> : </span><span>" + data.r + "</span>";
			return textObj;
		},
		createNoteData: function(noteData) {
			var newNoteBox = document.createElement("div");
			newNoteBox.style =
				"width: 60%;margin:20%;margin-top: 20px; text-align: center; line-height: 23px;";
			var newNoteText;
			if (Array.isArray(noteData)) {
				for (let i = 0; i < noteData.length; i++) {
					newNoteText = this.createNoteText(noteData[i]);
					newNoteBox.appendChild(newNoteText);
				}
			} else {
				newNoteText = this.createNoteText(noteData);
				newNoteBox.appendChild(newNoteText);
			}
			return newNoteBox;
		},
		//createNote方法创建一个文字性的提示对象
		createNote: function(tittle, noteData) {
			var ResObj = false;
			if (tittle && noteData) {
				ResObj = document.createElement("div");
				var newTittle = this.createTittle(tittle);
				var newNote = this.createNoteData(noteData);
				ResObj.appendChild(newTittle);
				ResObj.appendChild(newNote);
			}
			return ResObj;
		},
		//createPage方法创建一个增强设置页
		createPage: function(val) {
			var settingBox = document.createElement("div");
			settingBox.id = "console-moreSet-content";
			settingBox.style =
				"width: 100%;height: 100px;flex-grow: 1;overflow: auto;box-sizing: border-box;padding: 0 25px 0 0;margin: 10px 0;display: none";
			var newOpt;
			for (let i = 0; i < val.length; i++) {
				if (val[i].type) {
					if (val[i].type === "note") {
						newOpt = this.createNote(val[i].tittle, val[i].noteData);
						settingBox.appendChild(newOpt);
					}
				} else {
					newOpt = this.createOpt(val[i].tittle, val[i].value, val[i].choice);
					settingBox.appendChild(newOpt);
				}
			}
			document.getElementById("console-box").appendChild(settingBox);
		},
		//createMenu方法在设置菜单中创建增强设置功能入口
		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方法创建一个保存按钮对象
		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方法是增强设置页面的启动方法
		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方法是增强设置页面的关闭/隐藏方法
		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";
			}
		},
		//initPC方法是针对PC模式的增强设置初始化方法,是增强设置的启动方法
		initPC: function() {
			var consoleBox = document.getElementById("console-box");
			if (consoleBox) {
				var closeBtn = document.getElementById("console-close-btn");
				if (closeBtn) {
					closeBtn.addEventListener("click", newSettingsPageFn.off);
				}
				this.createMenu();
				this.createSaveBtn();
				this.createPage(this.optData);
			}
		},
		//initMobile方法是针对Mobile模式的增强设置初始化方法,是增强设置的启动方法
		initMobile: function() {
			var menuWrap = document.getElementById("menu-wrap");
			if (menuWrap) {
				var menuObj = menuWrap.children[1];
				if (menuObj && menuObj.tagName === "UL") {
					var newOpt = document.createElement("li");
					newOpt.innerHTML = "<img src='/static/home/images/console/set1.svg'/><span>增强设置</span>";
					newOpt.onclick = function() {
						var res = confirm("增强设置请前往电脑版操作,点击确认前往电脑版");
						if (res) {
							location.href = "https://www.jianfast.com/?pc=1";
						}
					}
					menuObj.appendChild(newOpt);
				}
				var menuNotice = document.getElementById("menu-notice");
				var newNotice = "<div>" + menuNotice.children[1].innerText +
					"</div><div>对增强设置进行修改请前往电脑版网页操作</div><div>增强设置-搜索结果打开方式仅对电脑版生效</div>";
				menuNotice.children[1].innerHTML = newNotice;
			}
		},
		//init方法调用initPC方法与initMobile方法初始化增强设置,是对外统一调用的初始化方法
		init: function() {
			this.initPC();
			this.initMobile();
		}
	};
	//saveFlag为全局变量,用于判断是否需要保存增强设置
	var saveFlag = false;
	//启动主程序
	settings.on();
})();