background.js

// YouTube → Claude Transcriber — Background Service Worker

let ytcClaudeTabId = null;

// Open options page when extension icon is clicked
chrome.action.onClicked.addListener(() => {
  chrome.runtime.openOptionsPage();
});

// Keyboard shortcut handler
chrome.commands.onCommand.addListener((command) => {
  if (command === 'transcribe') {
    chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
      if (tabs[0]?.url?.includes('youtube.com/watch')) {
        chrome.tabs.sendMessage(tabs[0].id, { action: 'triggerTranscribe' });
      }
    });
  }
});

chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
  if (msg.action === 'openClaude') {
    chrome.storage.local.set({ ytcPrompt: msg.prompt }, () => {
      chrome.tabs.create({ url: 'https://claude.ai/new' }, (tab) => {
        ytcClaudeTabId = tab.id;
      });
    });
  }
  if (msg.action === 'isYtcTab') {
    sendResponse({ isYtcTab: sender.tab?.id === ytcClaudeTabId });
    return false;
  }
  return false;
});