background.js

// X Country Filter - Background Service Worker

// Initialize default settings on install
chrome.runtime.onInstalled.addListener((details) => {
  if (details.reason === 'install') {
    chrome.storage.sync.set({
      blockedCountries: [],
      isEnabled: true
    });
    console.log('[X Country Filter] Extension installed with default settings');
  }
});

// Handle messages from content script
chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.type === 'updateBadge') {
    const count = message.count;
    if (count > 0) {
      chrome.action.setBadgeText({ text: count.toString(), tabId: sender.tab?.id });
      chrome.action.setBadgeBackgroundColor({ color: '#ef4444', tabId: sender.tab?.id });
    } else {
      chrome.action.setBadgeText({ text: '', tabId: sender.tab?.id });
    }
  }

  if (message.type === 'getSettings') {
    chrome.storage.sync.get(['blockedCountries', 'isEnabled'], (result) => {
      sendResponse(result);
    });
    return true; // Keep channel open for async response
  }

  if (message.type === 'saveSettings') {
    chrome.storage.sync.set(message.settings, () => {
      sendResponse({ success: true });
    });
    return true;
  }
});

// Clear badge when navigating away from X
chrome.tabs.onUpdated.addListener((tabId, changeInfo, tab) => {
  if (changeInfo.status === 'loading') {
    const url = tab.url || '';
    if (!url.includes('twitter.com') && !url.includes('x.com')) {
      chrome.action.setBadgeText({ text: '', tabId });
    }
  }
});