/*

Copyright 2008-2011 Clipperz Srl

This file is part of Clipperz's Javascript Crypto Library.
Javascript Crypto Library provides web developers with an extensive
and efficient set of cryptographic functions. The library aims to
obtain maximum execution speed while preserving modularity and
reusability.
For further information about its features and functionalities please
refer to http://www.clipperz.com

* Javascript Crypto Library is free software: you can redistribute
  it and/or modify it under the terms of the GNU Affero General Public
  License as published by the Free Software Foundation, either version
  3 of the License, or (at your option) any later version.

* Javascript Crypto Library is distributed in the hope that it will
  be useful, but WITHOUT ANY WARRANTY; without even the implied
  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU Affero General Public License for more details.

* You should have received a copy of the GNU Affero General Public
  License along with Javascript Crypto Library.  If not, see
  <http://www.gnu.org/licenses/>.

*/

if (typeof(Clipperz) == 'undefined') { Clipperz = {}; }
if (typeof(Clipperz.PM) == 'undefined') { Clipperz.PM = {}; }
if (typeof(Clipperz.PM.DataModel) == 'undefined') { Clipperz.PM.DataModel = {}; }


//#############################################################################

Clipperz.PM.DataModel.OneTimePasswordManager = function(anUser, args) {
	args = args || {};

	this._user = anUser;
	this._oneTimePasswords = {};

	this.updateWithData(args);

	Clipperz.NotificationCenter.notify(null, 'oneTimePasswordAdded', null, true);

	return this;
}

Clipperz.PM.DataModel.OneTimePasswordManager.prototype = MochiKit.Base.update(null, {

	'toString': function() {
		return "Clipperz.PM.DataModel.OneTimePasswordManager";
	},

	//-------------------------------------------------------------------------

	'updateWithData': function(someValues) {
		var	otpReference;

//console.log("OneTimePasswordManager.updateWithData", someValues);
//MochiKit.Logging.logDebug("OneTimePasswordManager.updateWithData: " + Clipperz.Base.serializeJSON(someValues));
		for (otpReference in someValues) {
			var otp;
			var otpConfiguration;
		
			otpConfiguration = someValues[otpReference];
			otpConfiguration['user'] = this.user();
			otpConfiguration['reference'] = otpReference;
			otp = new Clipperz.PM.DataModel.OneTimePassword(otpConfiguration);
			this._oneTimePasswords[otpReference] = otp;
		}

		return this;
	},

	//-------------------------------------------------------------------------
	
	'updateWithServerData': function(someValues) {
		var deferredResult;
		var	oneTimePasswordReference;
		var wereChangesApplied;
		
//MochiKit.Logging.logDebug(">>> OneTimePasswordManager.updateWithServerData");
		deferredResult = new MochiKit.Async.Deferred();
		wereChangesApplied = false;
	
		for (oneTimePasswordReference in someValues) {
			var oneTimePassword;
		
			oneTimePassword = this.oneTimePasswordWithReference(oneTimePasswordReference);
			if (oneTimePassword != null) {
				var oneTimePasswordHasBeenUpdated;
				
				oneTimePasswordHasBeenUpdated = oneTimePassword.updateStatusWithValues(someValues[oneTimePasswordReference]);
				wereChangesApplied = oneTimePasswordHasBeenUpdated || wereChangesApplied;
			} else {

			}
		}

		if (wereChangesApplied == true) {
			this.user().header().markSectionAsUpdated('oneTimePasswords');
		}

		for (oneTimePasswordReference in this.oneTimePasswords()) {
			if (typeof(someValues[oneTimePasswordReference]) == 'undefind') {
				deferredResult.addCallback(MochiKit.Base.method(this.oneTimePasswordWithReference(oneTimePasswordReference), 'saveChanges'));
			}
		}
		
		deferredResult.addCallback(MochiKit.Async.succeed, this);
		
		deferredResult.callback();
//MochiKit.Logging.logDebug("<<< OneTimePasswordManager.updateWithServerData");

		return deferredResult;
	},
	
	//-------------------------------------------------------------------------

	'user': function() {
		return this._user;
	},
	
	//-------------------------------------------------------------------------

	'addOneTimePassword': function(aOneTimePassword, isBatchUpdate) {
		this.oneTimePasswords()[aOneTimePassword.reference()] = aOneTimePassword;
		
		if (isBatchUpdate != true) {
			Clipperz.NotificationCenter.notify(aOneTimePassword, 'oneTimePasswordAdded');
			Clipperz.NotificationCenter.notify(this.user(), 'updatedSection', 'oneTimePasswords', true);
		}
	},

	//-------------------------------------------------------------------------

	'archiveOneTimePassword': function(aOneTimePasswordReference) {
		var deferredResult;
		
//MochiKit.Logging.logDebug(">>> OneTimePasswordManager.archiveOneTimePassword");
//MochiKit.Logging.logDebug("--- OneTimePasswordManager.archiveOneTimePassword - 0 otp.reference: " + aOneTimePasswordReference);
		deferredResult = new MochiKit.Async.Deferred();
		deferredResult.addCallback(MochiKit.Base.method(this.user(), 'loadOneTimePasswords'));
		deferredResult.addCallback(MochiKit.Base.bind(function(aOneTimePasswordReference) {
			var oneTimePassword;
			
//MochiKit.Logging.logDebug("--- OneTimePasswordManager.archiveOneTimePassword - 1 serializedData: " + Clipperz.Base.serializeJSON(this.serializedData()));
			oneTimePassword = this.oneTimePasswords()[aOneTimePasswordReference];
			
			if (oneTimePassword != null) {
				oneTimePassword.setUsageDate(new Date());

//				while (this.usedOneTimePasswords().length > 10) {
//					var referenceOfOneTimePasswordToRemove;
//					
//					referenceOfOneTimePasswordToRemove = this.usedOneTimePasswords()[0];
//					delete this.oneTimePasswords()[referenceOfOneTimePasswordToRemove];
//					this.usedOneTimePasswords().shift();
//				}

				Clipperz.NotificationCenter.notify(this.user(), 'updatedSection', 'oneTimePasswords', true);
			} else {
				MochiKit.Logging.logError("### OneTimePasswordManager.archiveOneTimePassword - the used OneTimePassword has not been found on the index-card. :-(");
			}

//MochiKit.Logging.logDebug("--- OneTimePasswordManager.archiveOneTimePassword - 2 serializedData: " + Clipperz.Base.serializeJSON(this.serializedData()));
		}, this), aOneTimePasswordReference);
		deferredResult.addCallback(MochiKit.Base.method(this, 'saveChanges'));
		deferredResult.callback();
//MochiKit.Logging.logDebug("<<< OneTimePasswordManager.archiveOneTimePassword");

		return deferredResult;
	},
	
	//-------------------------------------------------------------------------

	'serializedData': function() {
		var result;
		var	key;
		
		result = {};

		for (key in this.oneTimePasswords()) {
			result[key] = this.oneTimePasswords()[key].serializedData();
		}
		
		return result;
	},
	
	//-------------------------------------------------------------------------

	'oneTimePasswords': function() {
		return this._oneTimePasswords;
	},

	//-------------------------------------------------------------------------

	'oneTimePasswordWithReference': function(aOneTimePasswordReference) {
		return this.oneTimePasswords()[aOneTimePasswordReference];
	},
	
	//-------------------------------------------------------------------------

	'deleteOneTimePasswordWithReference': function(aOneTimePasswordReference) {
		delete(this.oneTimePasswords()[aOneTimePasswordReference]);
		Clipperz.NotificationCenter.notify(this.user(), 'updatedSection', 'oneTimePasswords', true);
	},
	
	//-------------------------------------------------------------------------

	'encryptedData': function() {
		var deferredResult;
		var oneTimePasswordReferences;
		var result;
		var i, c;
		
		result = {};
		deferredResult = new MochiKit.Async.Deferred();
		deferredResult.addCallback(MochiKit.Async.succeed);

		oneTimePasswordReferences = MochiKit.Base.keys(this.oneTimePasswords());
		c = oneTimePasswordReferences.length;
		for (i=0; i<c; i++) {
			var currentOneTimePassword;
			
			currentOneTimePassword = this.oneTimePasswords()[oneTimePasswordReferences[i]];
			deferredResult.addCallback(MochiKit.Base.method(currentOneTimePassword, 'encryptedPackedPassphrase'));
			deferredResult.addCallback(function(aResult, aOneTimePasswordReference, anEncryptedPackedPassphrase) {
				aResult[aOneTimePasswordReference] = anEncryptedPackedPassphrase;
				return aResult;
			}, result, oneTimePasswordReferences[i]);
		}
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("OneTimePasswordManager.encryptedData: " + res); return res;});
		
		deferredResult.callback(result);
		
		return deferredResult;
	},

	//-------------------------------------------------------------------------
	
	'saveChanges': function() {
		var deferredResult;
		var	result;

//MochiKit.Logging.logDebug(">>> OneTimePasswordManager.saveChanges");
		result = {};
		deferredResult = new MochiKit.Async.Deferred();
		deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'updatedProgressState', 'saveOTP_encryptUserData');
		deferredResult.addCallback(MochiKit.Base.method(this.user(), 'encryptedData'));
		deferredResult.addCallback(function(aResult, res) {
			aResult['user'] = res;
			return aResult;
		}, result);

		deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'updatedProgressState', 'saveOTP_encryptOTPData');
		deferredResult.addCallback(MochiKit.Base.bind(function(res) {
			res['oneTimePasswords'] = MochiKit.Base.keys(this.oneTimePasswords());
			return res;
		}, this));

		deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'updatedProgressState', 'saveOTP_sendingData');
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("OneTimePasswordManager.saveChanges - 1: " + Clipperz.Base.serializeJSON(res)); return res;});
		deferredResult.addCallback(MochiKit.Base.method(this.user().connection(), 'message'), 'updateOneTimePasswords');

		deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'updatedProgressState', 'saveOTP_updatingInterface');
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("OneTimePasswordManager.saveChanges - 2: " + res); return res;});
		deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'notify', 'OTPUpdated');
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("OneTimePasswordManager.saveChanges - 3: " + res); return res;});
		deferredResult.callback();
//MochiKit.Logging.logDebug("<<< OneTimePasswordManager.saveChanges");
		
		return deferredResult;
	},

	//-------------------------------------------------------------------------
	__syntaxFix__: "syntax fix"
});