// ==UserScript==
// @name           Novel Ranking Filter
// @name:ja        小説ランキングフィルター
// @namespace      https://greasyfork.org/en/users/1264733
// @version        2024-05-05
// @description    Alphapolis Hameln Kakuyomu Narou Ranking Page Filtering by AuthorID and Tag
// @description:ja アルファポリス・ハーメルン・カクヨム・なろう 作者IDとタグによるランキングページの小説フィルタリング
// @author         LE37
// @license        MIT
// @include        https://www.alphapolis.co.jp/novel/index*
// @include        https://www.alphapolis.co.jp/novel/ranking/*
// @include        https://kakuyomu.jp/rankings/*
// @include        https://kakuyomu.jp/*recent_works
// @include        https://syosetu.org/?mode=rank*
// @include        https://yomou.syosetu.com/rank/*
// @exclude        https://www.alphapolis.co.jp/novel/ranking/annual
// @exclude        https://yomou.syosetu.com/rank/top/
// @grant          GM_setValue
// @grant          GM_getValue
// @grant          GM_registerMenuCommand
// @downloadURL none
// ==/UserScript==

(function() {
	'use strict';
	// a_k: SiteKey, a_l: AuthorLink, a_r: RegForAuthorID, n_n: NovelNode, t_n: Tag;
	// rMb: Client type(Mobile/Desktop)
	const rMb = navigator.userAgent.includes("Mobile");
	let a_k, a_l, a_r, n_n, t_n;
	switch (location.host) {
		case "www.alphapolis.co.jp":
			a_k = "A";
			a_l = "div.author>a";
			a_r = /detail\/(\d+)$/;
			n_n = "div.section";
			t_n = "li.tag a";
			break;
		case "syosetu.org":
			a_k = "H";
			a_l = rMb ? "p:nth-child(2)" : "div.blo_title_sak";
			a_r = /：(.*)/;
			n_n = rMb ? "div.search_box" : "div.section3";
			t_n = rMb ? 'span[id^="tag_"]' : 'div.all_keyword:nth-child(9) a';
			break;
		case "kakuyomu.jp":
			a_k = "K";
			a_l = "a.widget-workCard-authorLabel";
			a_r = /users\/(.*)$/;
			n_n = "div.widget-work";
			t_n = "a[itemprop='keywords']";
			break;
		case "yomou.syosetu.com":
			a_k = "N";
			a_l = "div.p-ranklist-item__author a";
			a_r = /\/(\d+)/;
			n_n = "div.p-ranklist-item";
			t_n = "div.p-ranklist-item__keyword a";
			break;
	}
	// GM Menu
	GM_registerMenuCommand("View", SM);
	GM_registerMenuCommand("Sort", ST);
	// Read List
	const G = GM_getValue(a_k);
	let O = G ? G : { AL:[], TL:[] };
	// ga: Disliked Author List
	let ga = O.AL;
	// gt: Disliked Tag List;
	let gt = O.TL;
	// Save List
	function S() {
		O = { AL:ga, TL:gt };
		GM_setValue(a_k, O);
	}
	// Sort List
	function ST() {
		ga.sort();
		gt.sort();
		S();
	}
	// Select Mode
	let s_m = 0;
	// Run
	NM();
	// Normal Mode
	function NM() {
		const no = document.querySelectorAll(n_n);
		for (let i = 0; i < no.length; i++) {
			let b = false;
			const al = no[i].querySelector(a_l);
			if (al) {
				// Hameln author fix
				const ai = (a_k === "H") ? al.textContent.match(a_r)[1] : al.href.match(a_r)[1];
				//console.log(ai);
				b = CHK(al, ga, ai);
			}
			let tl;
			// Hameln tag fix
			// Convert origin text to custom tags for mobile
			let tot, tct;
			if (a_k === "H" && rMb) {
				tot = no[i].querySelector(".trigger p:nth-child(4)");
				tct = no[i].querySelector(t_n);
				tl = (!tct) ? tot.textContent.slice(3).match(/[^\s]+/g) : no[i].querySelectorAll(t_n);
				if (!tct) tot.innerHTML = "";
			} else {
				tl = no[i].querySelectorAll(t_n);
			}
			if (!b && tl) {
				for (let j = 0; j < tl.length; j++) {
					let tag;
					// Hameln fix
					if (tot && !tct) {
						tag = tl[j];
						tot.innerHTML += '<span id="tag_' + j + '">' + tag + '</span>';
					} else {
						tag = tl[j].textContent;
					}
					//console.log(tag);
					b = tot && !tct ? CHK(no[i].querySelector("span#tag_"+j), gt, tag) : CHK(tl[j], gt, tag);
					if (b) break;
				}
			}
			no[i].style.display = s_m === 0 && b ? "none" : "";
			no[i].style.opacity = s_m === 1 && b ? "0.5" : "1";
		}
	}
	// Check Keyword
	function CHK(elem, l, s) {
		const result = l.some((v) => s === v);
		if (s_m === 1) {
			elem.style.border = result ? "thin solid fuchsia" : "thin solid dodgerblue";
		} else {
			elem.style.border = "none";
		}
		return result;
	}
	// Select Mode
	function SM() {
		//console.log(a_k + ": " + ga + "\nTG: " + gt);
		if (s_m === 0) {
			s_m = 1;
			// Disable default click
			document.addEventListener("click", UH, true);
		} else {
			s_m = 0;
			// Restore default click
			document.removeEventListener("click", UH, true);
			S();
		}
		NM();
	}
	// Update Handler
	function UH(e) {
		e.preventDefault();
		if (e.target.closest(a_l)) {
			// Hameln fix
			const tai = (a_k === "H") ? e.target.textContent.match(a_r)[1] : e.target.href.match(a_r)[1];
			//console.log(tai);
			UT(e, tai, ga);
			NM();
		} else if (e.target.closest(t_n)) {
			UT(e, e.target.textContent, gt);
			NM();
		}
		return false;
	}
	// Update Temp
	function UT(e, s, l) {
		const li = l.findIndex((v) => v === s);
		if (li !== -1) {
			l.splice(li,1);
		} else {
			l.push(s);
		}
		return l;
	}
	// Custom Button
	const bba = document.body.appendChild(document.createElement("button"));
	bba.id = "bmi";
	bba.textContent = "📘";
	// Button Style
	bba.style = "position: fixed; bottom: 20%; right: 10%; width: 44px; height: 44px; z-index: 9999; font-size: 200%; opacity: 50%;";
	bba.type = "button";
	bba.addEventListener("click", SM, true);
})();