/**
 * Background main logic (after all modules loaded).
 * Used by both Chrome (via importScripts from background.js) and Firefox (via background.scripts).
 */
log('background: SW started v' + SW_VERSION);

// Apply PAC immediately on startup using default port; updated once native host connects
applyPAC();
connect();

// Redirect *.host.test (and similar typos) to extension page so we can show "use .hole.sail"
const WRONG_DOMAIN_RULE_ID = 1;
if (browser.declarativeNetRequest && browser.runtime.getURL) {
  const redirectUrl = browser.runtime.getURL('wrong-domain.html') + '?host=\\1';
  browser.declarativeNetRequest.updateDynamicRules({
    removeRuleIds: [WRONG_DOMAIN_RULE_ID],
    addRules: [{
      id: WRONG_DOMAIN_RULE_ID,
      priority: 1,
      condition: {
        regexFilter: '^https?://([^/:]+)\\.host\\.test($|/)',
        resourceTypes: ['main_frame']
      },
      action: {
        type: 'redirect',
        redirect: { regexSubstitution: redirectUrl }
      }
    }]
  }).catch((err) => log('declarativeNetRequest rule failed:', err.message));
}

// Open dashboard when extension icon is clicked
browser.action?.onClicked?.addListener((tab) => {
  browser.tabs.create({ url: 'dashboard/dashboard.html' });
});