// ==UserScript==
// @name         Circle 阅读助手脚本版
// @namespace    https://ranhe.xyz/
// @version      0.0.1
// @description  让网页赏心悦目、让阅读回归初心。Circle 阅读助手提供更隐私、更轻松、更舒适的阅读体验。
// @author       wenguang.fe@gmail.com
// @match        https://*/*
// @match        http://*/*
// @license MIT
// @noframes
// @downloadURL none
// ==/UserScript==

(() => {
	"use strict";

	function e(e) {
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	}

	function t(e) {
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	function r(e) {
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				r !== t && s(r)
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					return O.includes(e)
				}))
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				if (y(t, (function(e) {
					return z.includes(e)
				})), t.addEventListener("error", (function() {
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				})), t.complete && H(t), t.addEventListener("load", (function() {
					H(t)
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								break;
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								break;
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			i = t.time,
			o = t.title,
			l = t.article;
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			e.childNodes.length <= 0 && s(e)
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			var m = v.firstElementChild;
			e(m) && (v = m)
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		if (u(v, "div")) y(v);
		else {
			var p = f("div");
			p.mirrorElement = v.mirrorElement,
				function(e, t) {
					for (var n, r = e.firstChild; r;) n = r.nextSibling, r = t(r) ? null : n
				}(v, (function(e) {
					p.appendChild(e)
				})), v = p
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		y(v, (function() {
			return !0
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		var g = v.firstChild;
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						src: N(r)
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					this.naturalWidth / this.naturalHeight > 4 && s(E)
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					s(E)
				})), E.appendChild(w), v.insertBefore(E, g)
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				className: "title"
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			x = f("a", {
				href: n,
				target: "_blank"
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								for (var o = 0; o < r - i; o++) {
									var l = e.substr(o, i + 1);
									if (t.indexOf(l) >= 0) return l
								}
							return ""
						}(c, t)
						.length;
					n < 3 || s < n && (s = n, u = e)
				}
			})), e(u)) return re = L(u), u;
			if (1 === i.length) return re = L(i[0]), i[0];
			if (s = 0, h(i, (function(e) {
				var t = Number.parseInt(document.defaultView.getComputedStyle(e, null)
					.getPropertyValue("font-size"), 10);
				t > s && (s = t, u = e)
			})), e(u)) return re = L(u), u;
			var d = function(e) {
				for (var t = 0, n = [], r = e; t < 2 && r;) {
					var i = r.previousElementSibling;
					if (i) E(i) && (n.push(i), t++), r = i;
					else {
						var a = r.parentElement;
						if (!a) break;
						var o = a.previousElementSibling;
						if (!o) break;
						E(o) && (n.push(o), t++), r = o
					}
				}
				if (!(n.length <= 0)) {
					var l = [];
					return h(n, (function(e) {
						C(e, (function(e) {
							if (E(e.parentElement)) return !0
						}), (function(e) {
							var t = e.parentElement;
							!l.includes(t) && l.push(t)
						}))
					})), l
				}
			}();
			if (l(d)) return s = 0, h(d, (function(e) {
				if (!le(e, o)) {
					var t = Number.parseInt(document.defaultView.getComputedStyle(e, null)
						.getPropertyValue("font-size"), 10);
					t > s && (s = t, u = e)
				}
			})), e(u) ? (re = L(u), u) : void 0
		}
	}
	var ue, se = /span|p/i,
		de = /body|hentry|main/i,
		fe = /div|article|body|main|td/i,
		he = /article|body|post|content|entry/i,
		ve = /：|。|；|，|,|\.|\?|、|“|“/,
		me = /comment|meta|replies|reply|footer|footnote|noise/,
		pe = ["table"],
		ge = ["a", "style", "script", "button"],
		ye = ["h2", "h3", "h4", "h5", "h6", "td", "pre", "em", "strong"],
		be = ["feed", "menu", "menubar", "dialog", "alert", "alertdialog", "navigation", "complementary"];

	function Ee(e, t, n) {
		h(function(e) {
			for (var t = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : 3, n = arguments.length > 2 ? arguments[2] : void 0, r = 0, i = e.parentElement, a = []; i && !u(i, "html") && !(o(n) && n(i, r) && (a.push(i), ++r >= t));) i = i.parentElement;
			return a
		}(e, 4, (function(e, t) {
			return t <= 0 ? fe.test(e.nodeName) || he.test("".concat(e.className, " ")
				.concat(e.id)) : !se.test(e.nodeName)
		})), (function(e, r) {
			if (!be.includes(p(e, "role"))) {
				var a = "".concat(e.className, " ")
					.concat(e.id);
				if (!me.test(a)) {
					var o = "".concat(e.tagName, " ")
						.concat(a);
					he.test(o) && (t += r <= 0 ? 10 : 2), de.test(o) && (t += r <= 0 ? 5 : 1), !i(e.score) && (e.score = 0), e.score += t / (r < 2 ? r + 2 : 3 * r), n && n(e)
				}
			}
		}))
	}

	function Se(e) {
		var t = 0;
		return h(e, (function(e) {
			e.childNodes.length > 0 && t++
		})), 1 === t
	}

	function we(e) {
		var t = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : 1,
			n = e.id;
		if (n) return "#".concat(n);
		if (u(e, "body")) return "body";
		var r = "> ".concat(d(e.tagName));
		t <= 1 && e.classList.length > 0 && (r += ".".concat(Array.prototype.slice.call(e.classList)
			.join(".")));
		var i = e.parentElement;
		return i ? we(i, t + 1) + " " + r : r
	}

	function Ce(t, n) {
		if (!e(t)) return t;
		var r = we(t);
		if (!r || !/\.|#/.test(r)) return t;
		var i = r.split(">");
		if (i.length > 0 && !/\.|#/.test(i.pop())) return t;
		var a = [];
		try {
			a = n.querySelectorAll(r)
		} catch (e) {}
		if (a.length <= 2) return t;
		var o = function(e, t) {
			for (; e; e = e.parentElement)
				if (e.contains(t)) return e
		}(a[0], a[1]);
		return e(o) ? (o.mirrorParent = !0, o) : t
	}

	function xe(t) {
		var n;
		if (a(ue)) {
			if (e(n = t.querySelector(ue))) return n;
			ue = null
		}
		var r, i = 0;
		t.body && h(t.body.querySelectorAll("img"), (function(e) {
			var t = function(e) {
				var t = 0;
				if (!E(e)) return t;
				var n = e.width,
					r = e.height,
					i = e.naturalWidth,
					a = e.naturalHeight;
				return n > 500 && r > 300 && i > 800 && a > 500 && (t += (i > a ? i : a) / 500), t
			}(e);
			t <= 0 || (i++, Ee(e, t))
		}));
		var o = [];
		if (t.body && C(t.body, (function(e) {
			var t = e.parentElement;
			if (E(t)) {
				var n = d(t.nodeName);
				if (!ge.includes(n)) {
					var r = S(e);
					if (!(r.split(ve)
						.length <= 2)) {
						var i = x(r);
						if (ye.includes(n) && i > 4) return !0;
						if (!(i < 10)) return !0
					}
				}
			}
		}), (function(e) {
			o.push(function(e) {
				for (var t = e; t;) {
					var n = t.parentElement;
					if (!(u(n, "span") || n.childElementCount <= 0 || Se(n.children))) break;
					t = n
				}
				return t
			}(e))
		})), o.length <= 2 && h(t.body.querySelectorAll("p"), (function(e) {
			if (E(e)) {
				var t = d(e.nodeName);
				if (!ge.includes(t)) {
					var n = S(e);
					if (!(n.split(ve)
						.length <= 2)) x(n) < 10 || o.push(e)
				}
			}
		})), !(o.length <= 0)) {
			var l = [];
			h(o, (function(e) {
				var t = function(e) {
					var t = 1,
						n = S(e);
					t += n.split(ve)
						.length, t += Math.min(Math.floor(x(n) / 100), 3);
					var r = (c(e) ? e.parentElement : e)
						.nodeName.toLowerCase();
					return pe.includes(r) && (t += 1), ye.includes(r) && (t += 2), e.score = t, e.score
				}(e);
				t <= 0 || (i++, Ee(e, t, (function(e) {
					!l.includes(e) && l.push(e)
				})))
			}));
			var s = l.sort((function(e, t) {
				return e.score - t.score
			}));
			n = s.pop();
			var f = s.pop();
			if (e(f) && !he.test("".concat(n.tagName, " ")
				.concat(n.className)) && he.test("".concat(f.tagName, " ")
				.concat(f.className)) && (n = f), e(n)) {
				r = n.score;
				var v = x(S(n));
				if (!(!n || r < 30 || i < (v > 200 ? 1 : 3) || v < 100))
					if (n.querySelectorAll("*")
						.length <= 0 && v > 5e3) n.classList.add("noise");
					else {
						var m = w(n);
						if (m.width * m.height < 172e3) n.classList.add("noise");
						else {
							var p = n.parentElement;
							if (p) {
								var g = w(p);
								if (t.documentElement.offsetWidth > 800 && (m.width < 300 || g.width < 300)) n.classList.add("noise");
								else {
									if (n.getElementsByTagName("div")
										.length < 2) {
										var y = Ce(n, t);
										return ue = L(y), y
									}
									if (!(n.getElementsByTagName("a")
										.length > 16 && b(n) > .35)) {
										var N = Ce(n, t);
										return ue = L(N), N
									}
								}
							} else n.classList.add("noise")
						}
					}
			}
		}
	}

	function Ne(t, n) {
		if (!e(n)) return !0;
		if (/article|post|content/i.test("".concat(n.className, " ")
			.concat(n.id))) return !0;
		if (n.contains(t)) return !0;
		var r = w(t),
			i = w(n);
		return Math.abs(i.top - (r.top + r.height / 2)) < 600 || void 0
	}

	function Le(t, n) {
		var r = ce(t, n),
			i = function(t, n) {
				var r;
				if (a(ie)) {
					if (e(r = t.querySelector(ie))) return r;
					ie = null
				}
				var i = t.body.getElementsByTagName("img");
				if (!(i.length <= 0)) {
					var o = n.getBoundingClientRect(),
						l = o.top,
						c = [];
					if (h(i, (function(e) {
						if (E(e)) {
							var t = e.getBoundingClientRect();
							t.top >= l || t.width / t.height < 5 && t.width > .8 * o.width && c.push(e)
						}
					})), !(c.length <= 0)) return r = c.pop(), ie = L(r), r
				}
			}(t, n),
			o = t.URL.startsWith("http") ? t.URL : location.href;
		if (!e(r)) return {
			url: o,
			cover: i,
			article: n,
			time: ne(t, n),
			title: t.title ? t.title.replace(/(.*)[|\-\\/>»] .*/gi, "$1") : ""
		};
		var l = w(r),
			c = w(n);
		if (Math.abs(c.left - l.left) >= c.width) return {
			url: o,
			cover: i,
			article: n,
			time: ne(t, n),
			title: t.title ? t.title.replace(/(.*)[|\-\\/>»] .*/gi, "$1") : ""
		};
		for (var s = n; !Ne(r, s) && !u(s, "body");) s = s.parentElement;
		return {
			url: o,
			title: r,
			cover: i,
			article: s,
			time: ne(t, n, r)
		}
	}
	var ke = 0;

	function Ae(t, n, r) {
		! function(e) {
			e && e.body && h(e.body.querySelectorAll(['[id*="more"]', '[class*="more"]'].join(",")), (function(e) {
				var t = e;
				if (u(e, "a") || (t = e.querySelector("a")), u(t, "a") && /阅读全文|readmore/.test(t.innerText)) {
					var n = t.href;
					n && !n.startsWith("javascript") || t && t.click && t.click()
				}
			}))
		}(t);
		var i = function(t, n) {
			var r = xe(t);
			if (e(r)) {
				var i = w(r);
				if (!("nextpage" !== n && i.top > 1800)) return r;
				r.classList.add("noise")
			}
		}(t, r);
		e(i) ? (ke = 0, n(Le(t, i))) : setTimeout((function() {
			ke < 5 ? (ke++, Ae(t, n, r)) : (ke = 0, n())
		}), 500)
	}! function(e) {
		var t;

		function n(r) {
			r && r.type && "readystatechange" == r.type && "complete" != document.readyState || (t && clearTimeout(t), document.removeEventListener("DOMContentLoaded", n, !1), document.removeEventListener("readystatechange", n, !1), e())
		}
		"complete" !== document.readyState ? (document.addEventListener("DOMContentLoaded", n, !1), document.addEventListener("readystatechange", n, !1), function e() {
			t && clearTimeout(t), t = setTimeout((function() {
				document.body ? n() : e()
			}), 4e3)
		}()) : e()
	}((function() {
		Ae(document, (function(e) {
			r(e) || new G(e)
				.bootstrap()
		}))
	}))
})();