/*

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

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

Clipperz.PM.Components.Import.KeePassImportComponent = function(anElement, args) {
	args = args || {};

    Clipperz.PM.Components.Import.KeePassImportComponent.superclass.constructor.call(this, anElement, args);

	this._steps = ['EDIT', 'KEEPASS_SETTINGS', 'PREVIEW', 'IMPORT'];
	this._definedFields = ['Group', 'Group Tree', 'UserName', 'URL', 'Password', 'Notes', 'UUID', 'Icon', 'Creation Time', 'Last Access', 'Last Modification', 'Expires', 'Attachment Description', 'Attachment'];

	this.render();

	return this;
}

//=============================================================================

YAHOO.extendX(Clipperz.PM.Components.Import.KeePassImportComponent, Clipperz.PM.Components.Import.GenericImportComponent, {

	'toString': function() {
		return "Clipperz.PM.Components.Import.KeePassImportComponent component";
	},

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

	'render': function() {
//MochiKit.Logging.logDebug(">>> Import.KeePassImportComponent.render");
		this.domHelper().append(this.element(), {tag:'div', cls:'keePassImportWizard', children:[
			{tag:'h3', htmlString:Clipperz.PM.Strings['KeePass_ImportWizard_Title']},
			{tag:'div', cls:'importSteps', id:this.getId('importSteps')},
			{tag:'div', cls:'importStepBlocks', children:[
				{tag:'div', cls:'step_0', id:this.getId('step_0'), children:[
					{tag:'div', children:[
						{tag:'div', cls:'importOptionsDescription', htmlString:Clipperz.PM.Strings['importOptions_keePass_description']},
						{tag:'div', cls:'importOptionsParameters', children:[]},
						this.textAreaConfig()
					]}
				]},
				{tag:'div', cls:'step_1', id:this.getId('step_1'), children:[
					{tag:'div', children:[
						{tag:'div', id:this.getId('settingsDiv'), children:[
							{tag:'table', id:'KeePassSettings', children:[
								{tag:'tbody', children:[
									{tag:'tr', children:[
										{tag:'td', width:'50%', valign:'top', children:[
											{tag:'table', children:[
												{tag:'tbody', children:[
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Group_checkbox'), name:'Group'/*, checked:true*/}]},
														{tag:'td', width:'150', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Group_label'), html:"Group"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Group Tree_checkbox'), name:'Group Tree'/*, checked:true*/}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Group Tree_label'), html:"Group Tree"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('UserName_checkbox'), name:'UserName', checked:true}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('UserName_label'), html:"UserName"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('URL_checkbox'), name:'URL', checked:true}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('URL_label'), html:"URL"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Password_checkbox'), name:'Password', checked:true}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Password_label'), html:"Password"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Notes_checkbox'), name:'Notes', checked:true}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Notes_label'), html:"Notes"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('UUID_checkbox'), name:'UUID'/*, checked:true*/}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('UUID_label'), html:"UUID"}]}
													]}
												]}
											]}
										]},
										{tag:'td', width:'50%', valign:'top', children:[
											{tag:'table', children:[
												{tag:'tbody', children:[
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Icon_checkbox'), name:'Icon'/*, checked:true*/}]},
														{tag:'td', width:'150', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Icon_label'), html:"Icon"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Creation Time_checkbox'), name:'Creation Time'/*, checked:true*/}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Creation Time_label'), html:"Creation Time"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Last Access_checkbox'), name:'Last Access'/*, checked:true*/}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Last Access_label'), html:"Last Access"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Last Modification_checkbox'), name:'Last Modification'/*, checked:true*/}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Last Modification_label'), html:"Last Modification"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Expires_checkbox'), name:'Expires'/*, checked:true*/}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Expires_label'), html:"Expires"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Attachment Description_checkbox'), name:'Attachment Description', checked:true}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Attachment Description_label'), html:"Attachment Description"}]}
													]},
													{tag:'tr', children:[
														{tag:'td', valign:'top', children:[{tag:'input', type:'checkbox', id:this.getId('Attachment_checkbox'), name:'Attachment', checked:true}]},
														{tag:'td', valign:'top', children:[{tag:'span', cls:'keePassFieldLabel', id:this.getId('Attachment_label'), html:"Attachment"}]}
													]}
												]}
											]}
										]}
									]}
								]}
							]}
						]}
					]}
				]},
				{tag:'div', cls:'step_2', id:this.getId('step_2'), children:[
					{tag:'div', children:[
						{tag:'div', id:this.getId('previewDiv'), html:"preview"}
					]}
				]},
				{tag:'div', cls:'step_3', id:this.getId('step_3'), children:[
					{tag:'div', children:[
						{tag:'h4', html:"done"}
					]}
				]}
			]},
			{tag:'div', cls:'importOptionsButtons', children:[
				{tag:'table', children:[
					{tag:'tbody', children:[
						{tag:'tr', children:[
							{tag:'td', html:'&nbsp;'},
							{tag:'td', children:[
								{tag:'div', id:this.getId('backActionButton')}
							]},
							{tag:'td', html:'&nbsp;'},
							{tag:'td', children:[
								{tag:'div', id:this.getId('nextActionButton')}
							]},
							{tag:'td', html:'&nbsp;'}
						]}
					]}
				]}
			]}
		]});
		
		this.updateSteps();
		
		this.setBackButton(new YAHOO.ext.Button(this.getDom('backActionButton'), {text:"back", handler:this.backAction, scope:this}));
		this.setNextButton(new YAHOO.ext.Button(this.getDom('nextActionButton'), {text:"next", handler:this.nextAction, scope:this}));
		
		this.getElement('step_0').setVisibilityMode(YAHOO.ext.Element.DISPLAY).show()
		this.getElement('step_1').setVisibilityMode(YAHOO.ext.Element.DISPLAY).hide();
		this.getElement('step_2').setVisibilityMode(YAHOO.ext.Element.DISPLAY).hide();
		this.getElement('step_3').setVisibilityMode(YAHOO.ext.Element.DISPLAY).hide();
//MochiKit.Logging.logDebug("<<< Import.KeePassImportComponent.render");
	},

	//-------------------------------------------------------------------------
	
	'nextAction': function() {
		switch (this.currentStep()) {
			case 0:	//	-> 1
				Clipperz.PM.Components.MessageBox.showProgressPanel(
					MochiKit.Base.method(this, 'deferredParseValues'),
					MochiKit.Base.method(this, 'handleParseError'),
					this.getDom('nextActionButton')
				);
				break;
			case 1:	//	-> 2
				this.previewValues();
				break;
			case 2:	//	-> 3
				this.importValues();
				break;
		}
	},

	//-------------------------------------------------------------------------
	
	'deferredParseValues': function() {
		var deferredResult;

		deferredResult = new MochiKit.Async.Deferred();
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredParseValues - 1 " + res.substring(0,50)); return res;});
		deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'updatedProgressState', 'parseImportData');
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredParseValues - 2 " + res.substring(0,50)); return res;});
		deferredResult.addCallback(MochiKit.Base.bind(function(res) {
			this.startProcessing();
			
			return res;
		}, this));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredParseValues - 3 " + res.substring(0,50)); return res;});
		deferredResult.addCallback(MochiKit.Base.method(this, 'parseKeePassValues'));	//	processPasswordPlusValues
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredParseValues - 4 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.method(this, 'setParsedValues'));		//	setProcessedValues
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredParseValues - 5 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.method(this, 'showSettings'));			//	previewRecordValues
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredParseValues - 6 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.bind(function(res) {
			this.processingDone();
			this.getElement('step_0').hide();
			this.getElement('step_1').show();
			this.backButton().enable();
			
			return res;
		}, this));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredParseValues - 7 " + res); return res;});
		deferredResult.callback(this.textAreaContent());		

		return deferredResult;
	},

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

	'deferredPreviewValues': function() {
		var deferredResult;

//MochiKit.Logging.logDebug(">>> KeePassImportComonent.deferredPreviewValues");
		deferredResult = new MochiKit.Async.Deferred();
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 1 " + res); return res;});
		deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'updatedProgressState', 'previewImportData');
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 2 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.bind(function(res) {
			this.startProcessing();
			
			return res;
		}, this));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 3 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.method(this, 'processKeePassParsedValues'));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 4 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.method(this, 'setProcessedValues'));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 5 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.method(this, 'previewRecordValues'));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 6 " + res); return res;});
		deferredResult.addCallback(MochiKit.Base.bind(function(res) {
			this.processingDone();
			this.getElement('step_1').hide();
			this.getElement('step_2').show();
			this.backButton().enable();
			
			return res;
		}, this));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 7 " + res); return res;});
//		deferredResult.addErrback(MochiKit.Base.bind(function() {
//			this.processingAborted();
//		}, this))
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.deferredPreviewValues - 8 " + res); return res;});
		deferredResult.callback(this.parsedValues());		
//MochiKit.Logging.logDebug("<<< KeePassImportComonent.deferredPreviewValues");

		return deferredResult;
	},

	//-------------------------------------------------------------------------
	
	'definedFields': function() {
		return this._definedFields;
	},

	//-------------------------------------------------------------------------
	
	'parseKeePassValues': function(someData) {
		var deferredResult;
		var keePassProcessor;

		keePassProcessor = new Clipperz.KeePassExportProcessor();
		
		deferredResult = new MochiKit.Async.Deferred();
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.parseKeePassValues - 1 " + res.substring(0,50)); return res;});
		deferredResult.addCallback(function(res) {
			return Clipperz.NotificationCenter.deferredNotification(this, 'updatedProgressState', {steps:(res.length)}, res);
		})
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.parseKeePassValues - 2 " + res.substring(0,50)); return res;});
		deferredResult.addCallback(MochiKit.Base.method(keePassProcessor, 'deferredParse'));
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("KeePassImportComponent.parseKeePassValues - 3 " + res); return res;});
		deferredResult.callback(someData);

		return deferredResult;
	},

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

	'showSettings': function(someValues) {
		var availableFields;
		var i,c;

//MochiKit.Logging.logDebug(">>> KeePassImportCOmponent.showSettings");
		availableFields = new Clipperz.Set();
		c = this.parsedValues().length;
		for (i=0; i<c; i++) {
			var fieldLabel;

			for (fieldLabel in this.parsedValues()[i]) {
				availableFields.add(fieldLabel);
			}
		}
		
		c = this.definedFields().length;
		for (i=0; i<c; i++) {
			var definedField;
			
			definedField = this.definedFields()[i];
			if (availableFields.contains(definedField)) {
//MochiKit.Logging.logDebug("enabling field " + definedField);
				this.getDom(definedField + '_checkbox').disabled = false;
				this.getElement(definedField + '_label').removeClass('disabled');
			} else {
//MochiKit.Logging.logDebug("disabling field " + definedField);
				this.getDom(definedField + '_checkbox').disabled = true;
				this.getDom(definedField + '_checkbox').checked = false;	//	????
				this.getElement(definedField + '_label').addClass('disabled');
			}
		}
//MochiKit.Logging.logDebug("<<< KeePassImportCOmponent.showSettings");
		
		return MochiKit.Async.succeed(someValues);
	},

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

	'shouldImportField': function(aFieldName) {
		var fieldCheckbox;
		var result;

//MochiKit.Logging.logDebug(">>> shouldImportField: " + aFieldName);
//		fieldCheckbox = this.getDom(aFieldName + '_checkbox');
		fieldCheckbox = MochiKit.DOM.getElement(this.getId(aFieldName + '_checkbox'));
		if (fieldCheckbox != null) {
			result = fieldCheckbox.checked;
		} else {
			result = false;
		}
//MochiKit.Logging.logDebug("<<< shouldImportField: " + result);
		
		return result;
	},
	
	//-------------------------------------------------------------------------

	'processKeePassParsedValues': function(someValues) {
		var deferredResult;
		var records;
		var i,c;
		
//MochiKit.Logging.logDebug(">>> processKeePassParsedValues");
		deferredResult = new MochiKit.Async.Deferred();
		records = [];
		
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("processKeePassParsedValues - 1: " + res); return res;});
		c = someValues.length;
		deferredResult.addCallback(function(res) {
			return Clipperz.NotificationCenter.deferredNotification(this, 'updatedProgressState', {steps:c}, res);
		})
		for(i=0; i<c; i++) {
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + i + "] processKeePassParsedValues - 1.1: " + res); return res;});
			deferredResult.addCallback(MochiKit.Async.wait, 0.2);
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + i + "] processKeePassParsedValues - 1.2: " + res); return res;});
			deferredResult.addCallback(Clipperz.NotificationCenter.deferredNotification, this, 'updatedProgressState', {});
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + i + "] processKeePassParsedValues - 1.3: " + res); return res;});
			deferredResult.addCallback(MochiKit.Base.bind(function(someRecords, someData) {
				var record;
				var recordVersion;
				var ii;

				record = new Clipperz.PM.DataModel.Record({user:this.user()});
				record.setLabel(someData['Title']);
				if (this.shouldImportField('Notes')) {
					record.setNotes(someData['Notes']);
				}
				recordVersion = record.currentVersion()

				for (ii in someData) {
					if ((ii != 'Title') && (ii != 'Notes') && (typeof(someData[ii]) != "undefined") && (this.shouldImportField(ii))) {
						var recordField;
						var recordFieldType;
						
						recordFieldType = 'TXT';
						if (ii == 'Password') {
							recordFieldType = 'PWD';
						} else if (ii == 'URL') {
							recordFieldType = 'URL';
						} else if ((ii == 'Creation Time') || (ii == 'Last Access') || (ii == 'Last Modification') || (ii == 'Expires')) {
							recordFieldType = 'Date';
						}
					
						recordField = new Clipperz.PM.DataModel.RecordField({
							recordVersion:	recordVersion,
							label:			ii,
							value:			someData[ii],
							type:			recordFieldType
						});
						recordVersion.addField(recordField);
					}
				}
			
				someRecords.push(record);
			
				return someRecords;
			}, this), records, someValues[i]);
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("[" + i + "] processKeePassParsedValues - 1.4: " + res); return res;});
		}
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("processKeePassParsedValues - 2: " + res); return res;});
		deferredResult.addCallback(MochiKit.Async.succeed, records);
//deferredResult.addBoth(function(res) {MochiKit.Logging.logDebug("processKeePassParsedValues - 3: " + res); return res;});
		deferredResult.callback();
//MochiKit.Logging.logDebug("<<< processKeePassParsedValues");
		
		return deferredResult;
	},
	
	//-------------------------------------------------------------------------
	__syntaxFix__: "syntax fix"
});