/**
 * Brightwheel Exporter - Service Worker (Background Script)
 * Manifest V3
 */

chrome.runtime.onInstalled.addListener(() => {
  console.log('[Brightwheel Exporter] Extension installed.');
});

// Handle incoming messages from popup, dashboard, or content scripts
chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.action === 'OPEN_DASHBOARD') {
    const dashboardUrl = chrome.runtime.getURL('dashboard/dashboard.html');
    
    // Check if dashboard is already open
    chrome.tabs.query({ url: dashboardUrl }, (tabs) => {
      if (tabs && tabs.length > 0) {
        chrome.tabs.update(tabs[0].id, { active: true });
        if (tabs[0].windowId) {
          chrome.windows.update(tabs[0].windowId, { focused: true });
        }
      } else {
        chrome.tabs.create({ url: dashboardUrl });
      }
      sendResponse({ success: true });
    });
    return true; // Keep message channel open for async response
  }

  if (message.action === 'DOWNLOAD_BLOB_URL') {
    chrome.downloads.download({
      url: message.url,
      filename: message.filename,
      saveAs: true
    }, (downloadId) => {
      if (chrome.runtime.lastError) {
        sendResponse({ success: false, error: chrome.runtime.lastError.message });
      } else {
        sendResponse({ success: true, downloadId });
      }
    });
    return true;
  }

  if (message.action === 'GET_BRIGHTWHEEL_TABS') {
    chrome.tabs.query({ url: 'https://schools.mybrightwheel.com/*' }, (tabs) => {
      sendResponse({ tabs: tabs || [] });
    });
    return true;
  }
});