/*

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.DirectLogin = function(args) {
//MochiKit.Logging.logDebug(">>> new Clipperz.PM.DataModel.DirectLogin");
//console.log(">>> new Clipperz.PM.DataModel.DirectLogin - args: %o", args);
//console.log("--- formData: %s", Clipperz.Base.serializeJSON(args.formData));
	args = args || {};

//MochiKit.Logging.logDebug("--- new Clipperz.PM.DataModel.DirectLogin - args: " + Clipperz.Base.serializeJSON(MochiKit.Base.keys(args)));
	this._record = args.record || null;
	this._label = args.label || "unnamed record"
	this._reference = args.reference || Clipperz.PM.Crypto.randomKey();
	this._favicon = args.favicon || null;
	this._bookmarkletVersion = args.bookmarkletVersion || "0.1";

	this._directLoginInputs = null;
	
	this._formValues = args.formValues || {};
	this.setFormData(args.formData || null);
//console.log("=== formData: %o", this.formData());

	if (args.legacyBindingData == null) {
		this.setBindingData(args.bindingData || null);
	} else {
		this.setLegacyBindingData(args.legacyBindingData);
	}

	this._fixedFavicon = null;
	
//	this._formValues = args.formValues || (this.hasValuesToSet() ? {} : null);
//MochiKit.Logging.logDebug("<<< new Clipperz.PM.DataModel.DirectLogin");
	
	return this;
}

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

	'remove': function() {
		this.record().removeDirectLogin(this);
	},
	
	//-------------------------------------------------------------------------

	'record': function() {
		return this._record;
	},

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

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

	'reference': function() {
		return this._reference;
	},

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

	'label': function() {
		return this._label;
	},

	'setLabel': function(aValue) {
		this._label = aValue;
	},
	
	//-------------------------------------------------------------------------

	'favicon': function() {
		if (this._favicon == null) {
			var	actionUrl;
			var hostname;
			
			actionUrl = this.formData()['attributes']['action'];
			hostname = actionUrl.replace(/^https?:\/\/([^\/]*)\/.*/, '$1');
			this._favicon = "http://" + hostname + "/favicon.ico";
		}

		return this._favicon;
	},

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

	'fixedFavicon': function() {
		var result;
		
		if (this._fixedFavicon == null) {
			result = this.favicon();

			if (Clipperz_IEisBroken) {
				if (this.user().preferences().disableUnsecureFaviconLoadingForIE()) {
					if (result.indexOf('https://') != 0) {
						result = Clipperz.PM.Strings['defaultFaviconUrl_IE'];
						this.setFixedFavicon(result);
					}
				}
			}
		} else {
			result = this._fixedFavicon;
		}
		
		return result;
	},

	'setFixedFavicon': function(aValue) {
		this._fixedFavicon = aValue;
	},
	
	//-------------------------------------------------------------------------

	'bookmarkletVersion': function() {
		return this._bookmarkletVersion;
	},
	
	'setBookmarkletVersion': function(aValue) {
		this._bookmarkletVersion = aValue;
	},
	
	//-------------------------------------------------------------------------

	'formData': function() {
		return this._formData;
	},

	'setFormData': function(aValue) {
		var formData;
		
//MochiKit.Logging.logDebug(">>> DirectLogin.setFormData - " + Clipperz.Base.serializeJSON(aValue));
		switch (this.bookmarkletVersion()) {
			case "0.2":
				formData = aValue;
				break;
			case "0.1":
//MochiKit.Logging.logDebug("--- DirectLogin.setFormData - fixing form data from bookmarklet version 0.1");
				formData = this.fixFormDataFromBookmarkletVersion_0_1(aValue);
				break;
		}

		this._formData = aValue;
		this.setBookmarkletVersion("0.2");

//MochiKit.Logging.logDebug("--- DirectLogin.setFormData - formData: " + Clipperz.Base.serializeJSON(formData));
		if (formData != null) {
			var i,c;
			
			this._directLoginInputs = [];
			c = formData['inputs'].length;
			for (i=0; i<c; i++) {
				var directLoginInput;
				
				directLoginInput = new Clipperz.PM.DataModel.DirectLoginInput(this, formData['inputs'][i]);
				this._directLoginInputs.push(directLoginInput);
			}
		}
//MochiKit.Logging.logDebug("<<< DirectLogin.setFormData");
	},

	'fixFormDataFromBookmarkletVersion_0_1': function(aValue) {
//{"type":"radio", "name":"action", "value":"new-user", "checked":false }, { "type":"radio", "name":"action", "value":"sign-in", "checked":true }
//			||
//		   \  /
//			\/
//{"name":"dominio", "type":"radio", "options":[{"value":"@alice.it", "checked":true}, {"value":"@tin.it", "checked":false}, {"value":"@virgilio.it", "checked":false}, {"value":"@tim.it", "checked":false}]}
		var result;
		var inputs;
		var updatedInputs;
		var radios;

//MochiKit.Logging.logDebug(">>> DirectLogin.fixFormDataFromBookmarkletVersion_0_1");
		result = aValue;
		inputs = aValue['inputs'];
		
		updatedInputs = MochiKit.Base.filter(function(anInput) {
			var	result;
			var type;

			type = anInput['type'] || 'text';
			result =  type.toLowerCase() != 'radio';
			
			return result;
		}, inputs);
		radios = MochiKit.Base.filter(function(anInput) {
			var	result;
			var type;

			type = anInput['type'] || 'text';
			result =  type.toLowerCase() == 'radio';
			
			return result;
		}, inputs);
		
		if (radios.length > 0) {
			var updatedRadios;
			
			updatedRadios = {};
			MochiKit.Iter.forEach(radios, MochiKit.Base.bind(function(aRadio) {
				var	radioConfiguration;
				
				radioConfiguration = updatedRadios[aRadio['name']];
				if (radioConfiguration == null) {
					radioConfiguration = {type:'radio', name:aRadio['name'], options:[]};
					updatedRadios[aRadio['name']] = radioConfiguration;
				}
				
//	TODO: remove the value: field and replace it with element.dom.value = <some value>
				radioConfiguration.options.push({value:aRadio['value'], checked:aRadio['checked']});

				if ((aRadio['checked'] == true) && (this.formValues()[aRadio['name']] == null)) {
//MochiKit.Logging.logDebug("+++ setting value '" + aRadio['value'] + "' for key: '" + aRadio['name'] + "'");
					this.formValues()[aRadio['name']] = aRadio['value'];
				}
			}, this))
			
			updatedInputs = MochiKit.Base.concat(updatedInputs, MochiKit.Base.values(updatedRadios));
		}
		
		delete result.inputs;
		result.inputs = updatedInputs;
//MochiKit.Logging.logDebug("<<< DirectLogin.fixFormDataFromBookmarkletVersion_0_1");

		return result;
	},
	
	//.........................................................................

	'directLoginInputs': function() {
		return this._directLoginInputs;
	},

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

	'formValues': function() {
		return this._formValues;
	},
	
	'hasValuesToSet': function() {
		var result;
		
//MochiKit.Logging.logDebug(">>> DirectLogin.hasValuesToSet");
		if (this.directLoginInputs() != null) {
			result = MochiKit.Iter.some(this.directLoginInputs(), MochiKit.Base.methodcaller('shouldSetValue'));
		} else {
			result = false;
		}
//MochiKit.Logging.logDebug("<<< DirectLogin.hasValuesToSet");
		
		return result;
	},
	
//	'additionalValues': function() {
	'inputsRequiringAdditionalValues': function() {
		var	result;
		var inputs;
		
//MochiKit.Logging.logDebug(">>> DirectLogin.additionalValues");
		result = {};
		if (this.directLoginInputs() != null) {
			inputs = MochiKit.Base.filter(MochiKit.Base.methodcaller('shouldSetValue'), this.directLoginInputs());
			MochiKit.Iter.forEach(inputs, function(anInput) {
				result[anInput.name()] = anInput;
			})
		}
//MochiKit.Logging.logDebug("<<< DirectLogin.additionalValues");

		return result;
	},
	
	//-------------------------------------------------------------------------

	'bindingData': function() {
		return this._bindingData;
	},

	'setBindingData': function(aValue) {
//MochiKit.Logging.logDebug(">>> DirectLogin.setBindingData");
		if (aValue != null) {
			var bindingKey;

			this._bindingData = aValue;
			this._bindings = {};
		
			for (bindingKey in aValue) {
				var directLoginBinding;
			
				directLoginBinding = new Clipperz.PM.DataModel.DirectLoginBinding(this, bindingKey, {fieldKey:aValue[bindingKey]});
				this._bindings[bindingKey] = directLoginBinding;
			}
		} else {
			var editableFields;
			var bindings;
			
			bindings = {};
			
			editableFields = MochiKit.Base.filter(function(aField) {
				var result;
				var type;
		
				type = aField['type'].toLowerCase();
				result = ((type != 'hidden') && (type != 'submit') && (type != 'checkbox') && (type != 'radio') && (type != 'select'));
		
				return result;
			}, this.formData().inputs);
			
			MochiKit.Iter.forEach(editableFields, function(anEditableField) {
				bindings[anEditableField['name']] = new Clipperz.PM.DataModel.DirectLoginBinding(this, anEditableField['name']);
			}, this);
			
			this._bindings = bindings;
		}
//MochiKit.Logging.logDebug("<<< DirectLogin.setBindingData");
	},
	
	'setLegacyBindingData': function(aValue) {
//MochiKit.Logging.logDebug(">>> DirectLogin.setLegacyBindingData");
		var bindingKey;
	
		this._bindingData = aValue;
		this._bindings = {};
	
		for (bindingKey in aValue) {
			var directLoginBinding;
		
			directLoginBinding = new Clipperz.PM.DataModel.DirectLoginBinding(this, bindingKey, {fieldName:aValue[bindingKey]});
			this._bindings[bindingKey] = directLoginBinding;
		}
//MochiKit.Logging.logDebug("<<< DirectLogin.setLegacyBindingData");
	},
	
	//.........................................................................
	
	'bindings': function() {
		return this._bindings;
	},

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

	'serializedData': function() {
		var result;
		var	bindingKey;
		
		result = {};
//		result.reference = this.reference();
		result.label = this.label();
		result.favicon = this.favicon() || "";
		result.bookmarkletVersion = this.bookmarkletVersion();
		result.formData = this.formData();
		if (this.hasValuesToSet) {
			result.formValues = this.formValues();
		}
		result.bindingData = {};

		for (bindingKey in this.bindings()) {
			result.bindingData[bindingKey] = this.bindings()[bindingKey].serializedData();
		}
		
		return result;
	},

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

	'handleMissingFaviconImage': function(anEvent) {
		anEvent.stop();
		MochiKit.Signal.disconnectAll(anEvent.src());
		this.setFixedFavicon(Clipperz.PM.Strings['defaultFaviconUrl']);
		anEvent.src().src = this.fixedFavicon();
	},
	
	//=========================================================================
	
	'runHttpAuthDirectLogin': function(aWindow) {
		MochiKit.DOM.withWindow(aWindow, MochiKit.Base.bind(function() {
			var completeUrl;
			var url;
			
			url = this.bindings()['url'].field().value();

			if (/^https?\:\/\//.test(url) == false) {
				url = 'http://' + url;
			}
			
			if (Clipperz_IEisBroken === true) {
				completeUrl = url;
			} else {
				var username;
				var password;

				username = this.bindings()['username'].field().value();
				password = this.bindings()['password'].field().value();

				/(^https?\:\/\/)?(.*)/.test(url);

				completeUrl = RegExp.$1 + username + ':' + password + '@' + RegExp.$2;
			}
			
			MochiKit.DOM.currentWindow().location.href = completeUrl;
		}, this));
	},
	
	//-------------------------------------------------------------------------

	'runSubmitFormDirectLogin': function(aWindow) {
		MochiKit.DOM.withWindow(aWindow, MochiKit.Base.bind(function() {
			var formElement;
			var	formSubmitFunction;
			var submitButtons;
			
//MochiKit.Logging.logDebug("### runDirectLogin - 3");
//			MochiKit.DOM.currentDocument().write('<html><head><title>' + this.label() + '</title><META http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body></body></html>')
//MochiKit.Logging.logDebug("### runDirectLogin - 3.1");
			MochiKit.DOM.appendChildNodes(MochiKit.DOM.currentDocument().body, MochiKit.DOM.H3(null, "Loading " + this.label() + " ..."));
//MochiKit.Logging.logDebug("### runDirectLogin - 4");
//console.log(this.formData()['attributes']);
			formElement = MochiKit.DOM.FORM(MochiKit.Base.update({id:'directLoginForm'}, {	'method':this.formData()['attributes']['method'],
																							'action':this.formData()['attributes']['action']}));
//MochiKit.Logging.logDebug("### runDirectLogin - 5");
			formSubmitFunction = MochiKit.Base.method(formElement, 'submit');
//MochiKit.Logging.logDebug("### runDirectLogin - 6");

			MochiKit.DOM.appendChildNodes(MochiKit.DOM.currentDocument().body,
				MochiKit.DOM.DIV({style:'display:none; visibility:hidden;'}, formElement)
			);
//MochiKit.Logging.logDebug("### runDirectLogin - 7");
			MochiKit.DOM.appendChildNodes(formElement, MochiKit.Base.map(	MochiKit.Base.methodcaller("formConfiguration"),
																			this.directLoginInputs()));
//MochiKit.Logging.logDebug("### runDirectLogin - 8");

			submitButtons = MochiKit.Base.filter(function(anInputElement) {
//MochiKit.Logging.logDebug("### runDirectLogin - 8.1 - " + anInputElement);
//MochiKit.Logging.logDebug("### runDirectLogin - 8.2 - " + anInputElement.tagName);
//MochiKit.Logging.logDebug("### runDirectLogin - 8.3 - " + anInputElement.getAttribute('type'));
				return ((anInputElement.tagName.toLowerCase() == 'input') && (anInputElement.getAttribute('type').toLowerCase() == 'submit'));
			}, formElement.elements)
//MochiKit.Logging.logDebug("### runDirectLogin - 9");

			if (submitButtons.length == 0) {
//MochiKit.Logging.logDebug("### OLD submit")
				if (Clipperz_IEisBroken == true) {
//MochiKit.Logging.logDebug("### runDirectLogin - 10");
					formElement.submit();
				} else {
//MochiKit.Logging.logDebug("### runDirectLogin - 11");
					formSubmitFunction();
				}
			} else {
//MochiKit.Logging.logDebug("### NEW submit")
				submitButtons[0].click();
			}

		}, this));
	},
	
	//-------------------------------------------------------------------------

	'runDirectLogin': function(aNewWindow) {
		var	newWindow;

//console.log("formData.attributes", this.formData()['attributes']);
//		if (/^javascript/.test(this.formData()['attributes']['action'])) {
		if ((/^(https?|webdav|ftp)\:/.test(this.formData()['attributes']['action']) == false) &&
			(this.formData()['attributes']['type'] != 'http_auth'))
		{
			var messageBoxConfiguration;

			if (typeof(aNewWindow) != 'undefined') {
				aNewWindow.close();
			}

			messageBoxConfiguration = {};
			messageBoxConfiguration.title = Clipperz.PM.Strings['VulnerabilityWarning_Panel_title'];
			messageBoxConfiguration.msg = Clipperz.PM.Strings['VulnerabilityWarning_Panel_message'];
			messageBoxConfiguration.animEl = YAHOO.ext.Element.get("mainDiv");
			messageBoxConfiguration.progress = false;
			messageBoxConfiguration.closable = false;
			messageBoxConfiguration.buttons = {'cancel': Clipperz.PM.Strings['VulnerabilityWarning_Panel_buttonLabel']};

			Clipperz.YUI.MessageBox.show(messageBoxConfiguration);

			throw Clipperz.Base.exception.VulnerabilityIssue;
		}

//MochiKit.Logging.logDebug("### runDirectLogin - 1 : " + Clipperz.Base.serializeJSON(this.serializedData()));
		if (typeof(aNewWindow) == 'undefined') {
			newWindow = window.open(Clipperz.PM.Strings['directLoginJumpPageUrl'], "");
		} else {
			newWindow = aNewWindow;
		}
//MochiKit.Logging.logDebug("### runDirectLogin - 2");

		if (this.formData()['attributes']['type'] == 'http_auth') {
			this.runHttpAuthDirectLogin(newWindow);
		} else {
			this.runSubmitFormDirectLogin(newWindow)
		}
	},

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