// ==UserScript==
// @name           Novel Comments Filter
// @name:ja        小説コメントフィルター
// @namespace      https://greasyfork.org/en/users/1264733
// @version        2024-05-05
// @description    Filtering comment by userID on Alphapolis Hameln Kakuyomu Narou novel's comments page
// @description:ja アルファポリス・ハーメルン・カクヨム・なろう 小説のコメントページで特定ユーザによる感想を非表示にする
// @author         LE37
// @license        MIT
// @include        https://kakuyomu.jp/works/*/comments*
// @include        https://kakuyomu.jp/works/*/episodes/*
// @include        https://novelcom.syosetu.com/impression/*
// @include        https://syosetu.org/?mode=review*
// @include        https://www.alphapolis.co.jp/novel/*/comment*
// @grant          GM_setValue
// @grant          GM_getValue
// @downloadURL none
// ==/UserScript==

(()=>{
	'use strict';
	let sK, cN, uId;
	// Mobile
	const M = navigator.userAgent.includes("Mobile");
	switch (location.host) {
		case "kakuyomu.jp":
			sK = "NCF_K";
			if (!location.pathname.includes("comments")) {
				cN = "ul.widget-cheerCommentList li";
			} else {
				cN = M ? 'div[class^="NewBox_box__"]>ul>li' : 'ul:nth-child(1) li';
			}
			uId = /users\/(.*)$/;
			break;
		case "novelcom.syosetu.com":
			sK = "NCF_N";
			cN = M ? "div.impression" : "div.waku";
			uId = /\/(\d+)/;
			break;
		case "syosetu.org":
			sK = "NCF_H";
			cN = M ? "div.search_box" : "div.section3";
			uId = /((?<=uid=).*|(\d+)(?=\/))/;
			break;
		case "www.alphapolis.co.jp":
			sK = "NCF_A";
			cN = "div.comment";
			uId = /detail\/(\d+)$/;
			break;
	}
	// Read List
	const G = GM_getValue(sK);
	const tbl = G ? G.BL : [];
	// Save List
	function S() {
		const O = { BL:tbl };
		GM_setValue(sK, O);
	}
	// Kakuyomu Comment
	if (sK === "NCF_K") {
		let oN;
		if (cN === "ul.widget-cheerCommentList li") {
			oN = "#episodeFooter-cheerComments-panel-mainContents";
		} else {
			oN = "#__next";
		}
		const obs = new MutationObserver(() => {
			obs.disconnect();
			R();
		});
		obs.observe(document.querySelector(oN), {
			childList: true,
			subtree: true
		});
	} else {
		R();
	}
	function R() {
		const no = document.querySelectorAll(cN);
		for (let i = 0; i < no.length; i++) {
			const uL = no[i].querySelector("a").href.match(uId);
			// Narou Nologin User
			const userId = uL ? uL[1] : no[i].querySelector("div.comment_authorbox>div").textContent.split("\n")[2];
			//console.log(userId);
			const B = tbl.some((v) => userId === v);
			let bTn = no[i].querySelector(".cbt");
			if (!bTn) {
				no[i].innerHTML = '<div class="uct">' + no[i].innerHTML + '</div>';
				bTn = document.createElement("div");
				bTn.classList = "cbt";
				no[i].firstChild.before(bTn);
				bTn.innerHTML = '<button class="bbtn" type="button">' + userId + '</button>';
			}
			no[i].querySelector(".bbtn").style.color = B ? "fuchsia" : "dodgerblue";
			no[i].querySelector(".uct").style.visibility = B ? "hidden" : "visible";
		}
	}
	document.addEventListener("click", H);
	function H(e) {
		//console.log(e.target);
		if(e.target.className === "bbtn") {
			const tid = e.target.textContent;
			const li = tbl.findIndex((v) => v === tid);
			if (li !== -1) {
				tbl.splice(li,1);
			} else {
				tbl.push(tid);
			}
			R();
			S();
		}
	}
})();