fix(lyrics-plus/netease): use PyNCMd API

CustomApps/lyrics-plus/ProviderNetease.js

@@ -1,26 +1,77 @@
-const ProviderNetease = (function () {
-	const requestHeader = {
-		"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0"
-	};
+/**
+ * @typedef {{
+ *   result: {
+ *     songs: {
+ *       name: string,
+ *       id: number,
+ *		 dt: number,  // duration in ms
+ *       al: {        // album
+ * 			name: string,
+ *       },
+ *     }[],
+ *   },
+ * }} SearchResponse
+ *
+ * @typedef {{
+ * 	title: string,
+ * 	artist: string,
+ * 	album: string,
+ * 	duration: number,
+ * }} Info
+ */
 
-	async function findLyrics(info) {
-		const searchURL = `https://music.xianqiao.wang/neteaseapiv2/search?limit=10&type=1&keywords=`;
-		const lyricURL = `https://music.xianqiao.wang/neteaseapiv2/lyric?id=`;
+const ProviderNetease = (function () {
+	/**
+	 * Search with PyNCM api.
+	 *
+	 * @param {Info} info
+	 * @throw "Cannot find track"
+	 */
+	async function search(info) {
+		const searchURL = `https://pyncmd.apis.imouto.in/api/pyncm?module=cloudsearch&method=GetSearchResult&keyword=`;
 
 		const cleanTitle = Utils.removeExtraInfo(Utils.removeSongFeat(Utils.normalize(info.title)));
 		const finalURL = searchURL + encodeURIComponent(`${cleanTitle} ${info.artist}`);
 
-		const searchResults = await CosmosAsync.get(finalURL, null, requestHeader);
+		/** @type {SearchResponse} */
+		const searchResults = await Spicetify.CosmosAsync.get(finalURL);
 		const items = searchResults.result.songs;
-		if (!items?.length) {
-			throw "Cannot find track";
+
+		// Find the best match.
+		for (const song of items) {
+			const expectedDuration = info.duration;
+			const actualDuration = song.dt;
+
+			// normalized expected album name
+			const neAlbumName = Utils.normalize(info.album);
+			const expectedAlbumName = Utils.containsHanCharacter(neAlbumName) ? await Utils.toSimplifiedChinese(neAlbumName) : neAlbumName;
+			const actualAlbumName = Utils.normalize(song.al.name); // usually in Simplified Chinese
+
+			if (actualAlbumName == expectedAlbumName || Math.abs(expectedDuration - actualDuration) < 1000) {
+				return song;
+			}
 		}
 
-		const album = Utils.capitalize(info.album);
-		let itemId = items.findIndex(val => Utils.capitalize(val.album.name) === album || Math.abs(info.duration - val.duration) < 1000);
-		if (itemId === -1) throw "Cannot find track";
+		throw "Cannot find track";
+	}
+
+	/**
+	 * @param {Info} info
+	 *
+	 * @returns {{
+	 * 	lrc: {
+	 * 		lyric: string,
+	 *      klyric: undefined, // unimplemented
+	 * 	},
+	 * }}
+	 */
+	async function findLyrics(info) {
+		const lyricURL = `https://pyncmd.apis.imouto.in/api/pyncm?module=track&method=GetTrackLyrics&song_id=`;
+
+		const searchResponse = await search(info);
+		const songID = searchResponse.id;
 
-		return await CosmosAsync.get(lyricURL + items[itemId].id, null, requestHeader);
+		return CosmosAsync.get(lyricURL + songID);
 	}
 
 	const creditInfo = [

CustomApps/lyrics-plus/Utils.js

@@ -43,6 +43,44 @@ class Utils {
 		return result.replace(/\s+/g, " ").trim();
 	}
 
+	/**
+	 * Check if the specified string contains Han character.
+	 *
+	 * @param {string} s
+	 * @returns {boolean}
+	 */
+	static containsHanCharacter(s) {
+		const hanRegex = /\p{Script=Han}/u;
+		return hanRegex.test(s);
+	}
+
+	/**
+	 * Singleton Translator instance for {@link toSimplifiedChinese}.
+	 *
+	 * @type {Translator | null}
+	 */
+	static #translator = null;
+
+	/**
+	 * Convert all Han characters to Simplified Chinese.
+	 *
+	 * Choosing Simplified Chinese makes the converted result more accurate,
+	 * as the conversion from SC to TC may have multiple possibilities,
+	 * while the conversion from TC to SC usually has only one possibility.
+	 *
+	 * @param {string} s
+	 * @returns {Promise<string>}
+	 */
+	static async toSimplifiedChinese(s) {
+		// create a singleton Translator instance
+		if (!Utils.#translator) {
+			Utils.#translator = new Translator("zh");
+		}
+
+		// translate it to Simplified Chinese
+		return Utils.#translator.convertChinese(s, "tw", "cn");
+	}
+
 	static removeSongFeat(s) {
 		return (
 			s