/*
 * Handle for the CACKey NaCl Target
 */
var cackeyHandle = null;
var cackeyPCSCHandle = null;
var cackeyPCSCHandleUsable = false;
var cackeyPCSCHandleLastUsed = (new Date()).getTime();

/*
 * Handle and ID for outstanding callbacks
 */
var cackeyOutstandingCallbacks = {}
var cackeyOutstandingCallbackCounter = -1;

 */
function cackeyUninitPCSC() {
	console.log("[cackey] cackeyUninitPCSC() called");

	if (cackeyPCSCHandle != null) {
		console.log("[cackey] Deleting PCSC handle");

		delete cackeyPCSCHandle;

		cackeyPCSCHandle = null;
	}

	cackeyPCSCHandleUsable = false;

	console.log("[cackey] cackeyUninitPCSC() returning");

/*
 * Initialize the PCSC connection
 */
function cackeyInitPCSC(callbackAfterInit, callbackInitFailed) {
	/*
	 * Start the Google PCSC Interface
	 */
	var now, lastUsedMillisecondsAgo;

	console.log("[cackey] cackeyInitPCSC() called");

	now = (new Date()).getTime();
	lastUsedMillisecondsAgo = now - cackeyPCSCHandleLastUsed;

	if (lastUsedMillisecondsAgo > 30000) {
		console.log("[cackey] PCSC handle was last used " + lastUsedMillisecondsAgo + "ms ago, restarting to get a new handle");
		cackeyRestart();
	}

	cackeyPCSCHandleLastUsed = now;

	/*
	 * Queue this callback to be completed when initialization is complete
	 */
	if (callbackAfterInit) {
		cackeyCallbackAfterInit.push({"successCallback": callbackAfterInit, "failureCallback": callbackInitFailed});
	}