// Extension-level state shared across background modules.

const DEFAULT_PROXY_PORT = 8443;
/** CONNECT proxy port (browser must send CONNECT here, not to HTTPS port). Use when host omits connectProxyPort. */
const DEFAULT_CONNECT_PROXY_PORT = 8442;

// Track which swarmIds belong to which tab: tabId -> Set<swarmId>
const tabSwarms = new Map();
// Track how many tabs are using each swarm: swarmId -> count
const swarmRefCount = new Map();

// Track active connections from native host: connId -> { swarmId, peerKey, createdAt }
const activeConnections = new Map();

let notifyOnDisconnect = false;
let notifyOnTunnelError = true;

// True once proxy.settings.get confirms mode=pac_script controlled_by_this_extension
let pacConfirmedActive = false;

const extensionState = {
  hostConnected: false,
  proxyPort: 8443,
  connectProxyPort: null, // PAC uses this when set (CONNECT proxy); else proxyPort
  servers: [],       // Holesail server tunnels
  virtualHosts: [],  // virtual hostname -> hsUrl mappings
  stats: {
    totalConnections: 0,
    uptime: Date.now()
  }
};

function updateExtensionState() {
  extensionState.hostConnected = !!port;
  extensionState.stats.totalConnections = activeConnections.size;
}