lyrics.js

async function fetchLyricsFromGenius(songTitle) {
  const accessToken =
    "I CAN DM YOU IF YOU WANT";
  try {
    console.log(`Searching for lyrics for "${songTitle}" from Genius API`);
    const response = await fetch(
      `https://api.genius.com/search?q=${encodeURIComponent(
        songTitle
      ).toLowerCase()}`,
      {
        headers: {
          Authorization: `Bearer ${accessToken}`,
        },
      }
    );
    console.log("API Response:", response);
    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }
    const data = await response.json();
    console.log("API Data:", data);

    const hits = data.response.hits;

    if (hits.length === 0) {
      console.log("No song found");
      return null;
    }

    const songUrl = hits[0].result.url;
    console.log(`Song URL: ${songUrl}`);

    const lyricsPage = await fetch(songUrl);
    if (!lyricsPage.ok) {
      throw new Error(`Failed to fetch lyrics page: ${lyricsPage.status}`);
    }
    const lyricsPageText = await lyricsPage.text();

    const regex = /<div[^>]+data-lyrics-container="true"[^>]*>(.*?)<\/div>/gs;
    const matches = [...lyricsPageText.matchAll(regex)];

    if (matches.length > 0) {
      const geniusLyrics = matches
        .map((match) => {
          return decodeHTMLEntities(
            match[1]
              .replace(/<br\s*\/?>/gi, "\n")
              .replace(/<\/?[^>]+(>|$)/g, "")
          );
        })
        .join("\n");

      console.log(`Lyrics found: \n${geniusLyrics}`);
      return geniusLyrics;
    } else {
      console.log("No lyrics found in the page content");
      return null;
    }
  } catch (error) {
    console.error("Error in fetchLyricsFromGenius:", error);
    throw error;
  }
}
function decodeHTMLEntities(text) {
  // Function to decode HTML entities
  const entities = {
    "&#x27;": "'",
    "&quot;": '"',
    "&amp;": "&",
    "&lt;": "<",
    "&gt;": ">",
    "&nbsp;": " ",
    "&iexcl;": "¡",
    "&cent;": "¢",
    "&pound;": "£",
    "&curren;": "¤",
    "&yen;": "¥",
    "&brvbar;": "¦",
    "&sect;": "§",
    "&uml;": "¨",
    "&copy;": "©",
    "&ordf;": "ª",
    "&laquo;": "«",
    "&not;": "¬",
    "&shy;": "­",
    "&reg;": "®",
    "&macr;": "¯",
    "&deg;": "°",
    "&plusmn;": "±",
    "&sup2;": "²",
    "&sup3;": "³",
    "&acute;": "´",
    "&micro;": "µ",
    "&para;": "¶",
    "&middot;": "·",
    "&cedil;": "¸",
    "&sup1;": "¹",
    "&ordm;": "º",
    "&raquo;": "»",
    "&frac14;": "¼",
    "&frac12;": "½",
    "&frac34;": "¾",
    "&iquest;": "¿",
    "&Agrave;": "À",
    "&Aacute;": "Á",
    "&Acirc;": "Â",
  };

  return text.replace(
    /&[#A-Za-z0-9]+;/gi,
    (entity) => entities[entity] || entity
  );
}
// in createLyrics i am just making a call for fetchLyricsFromGenius
createLyrics: function () {
    BetterLyrics.DOM.requestSongInfo(e => {
      const song = e.song;
      const artist = e.artist;

      fetchLyricsFromGenius(song).then(lyrics => {
        console.log("Lyrics:", JSON.stringify(lyrics));
      }).catch(error => {
        console.error("Error:", error);
      });
      BetterLyrics.Utils.log(BetterLyrics.Constants.FETCH_LYRICS_LOG, song, artist);

      const url = `${BetterLyrics.Constants.LYRICS_API_URL}?s=${encodeURIComponent(BetterLyrics.Utils.unEntity(song))}&a=${encodeURIComponent(BetterLyrics.Utils.unEntity(artist))}`;

      fetch(url)
        .then(response => {
          if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`);
          }

          return response.json();
        })
        .then(data => {
          const lyrics = data.lyrics;
          BetterLyrics.Lyrics.lyrics = lyrics; // store the lyrics in the global variable
          BetterLyrics.App.lang = data.language;
          BetterLyrics.DOM.setRtlAttributes(data.isRtlLanguage);

          clearInterval(BetterLyrics.App.lyricsCheckInterval);

          if (!lyrics || lyrics.length === 0) {
            // before this make a request to genius to get the lyrics if still no lyrics then return the next partt
            lyrics = BetterLyrics.Lyrics.fetchLyricsFromGenius(song);
            if (!lyrics || lyrics.length === 0) {
              BetterLyrics.Utils.log(BetterLyrics.Constants.NO_LYRICS_FOUND_LOG);
              setTimeout(BetterLyrics.DOM.injectError, 500);
              return;
            }
          }

          BetterLyrics.Utils.log(BetterLyrics.Constants.LYRICS_FOUND_LOG);
          try {
            const lyricsElement = document.getElementsByClassName(BetterLyrics.Constants.LYRICS_CLASS)[0];
            lyricsElement.innerHTML = "";
          } catch (_err) {
            BetterLyrics.Utils.log(BetterLyrics.Constants.LYRICS_TAB_NOT_DISABLED_LOG);
          }
          BetterLyrics.Lyrics.injectLyrics(lyrics);
        })
        .catch(err => {
          clearInterval(BetterLyrics.App.lyricsCheckInterval);
          BetterLyrics.Utils.log(BetterLyrics.Constants.SERVER_ERROR_LOG);
          BetterLyrics.Utils.log(err);
          setTimeout(BetterLyrics.DOM.injectError, 500);
        });
    });
  },