background.js

let musicaAtual = null;
let fila = [];

chrome.tabs.query({ active: true, currentWindow: true }, function (tabs) {
  const activeTab = tabs[0];
  // Verifica se a URL da guia ativa pertence ao YouTube Music
  if (activeTab && activeTab.url.includes("music.youtube.com")) {
    // Injeta um script na página para acessar informações da música
    chrome.scripting.executeScript({
      target: { tabId: activeTab.id },
      function: async (tab) => {
        console.log("tab", tab);
        await chrome.runtime.sendMessage({ musicInfo });
      },
    });
  }
});

function verificarStatusMusica() {
  chrome.tabs.query({ currentWindow: true }, async function (tabs) {
    const ytMusicTab = tabs.find((tab) =>
      tab.url.includes("music.youtube.com")
    );
    if (!ytMusicTab) return;
    await chrome.tabs.sendMessage(ytMusicTab.id, {
      action: "obterStatusMusica",
    });
  });
}

function verificarFila() {
  chrome.tabs.query(
    { active: true, currentWindow: true },
    async function (tabs) {
      const activeTab = tabs[0];
      if (activeTab && activeTab.url.includes("music.youtube.com")) {
        await chrome.tabs.sendMessage(activeTab.id, { action: "getFila" });
      }
    }
  );
}

const intervalObterFila = setInterval(verificarFila, 1000);
const intervalObterDadosMusica = setInterval(verificarStatusMusica, 1000);

chrome.runtime.onMessage.addListener(function (message, sender, sendResponse) {
  if (message?.action === "getMusica") sendResponse({ musicaAtual });
  if (message?.action === "getFila") sendResponse({ fila });

  if (message?.musicaAtual) musicaAtual = message.musicaAtual;
  if (message?.fila) fila = message.fila;
});