var
	_ = require('_'),
	ko = require('ko'),

	Enums = require('Common/Enums'),
	Globals = require('Common/Globals'),
	Utils = require('Common/Utils'),
	Translator = require('Common/Translator'),

	Remote = require('Remote/User/Ajax'),

	kn = require('Knoin/Knoin'),
	AbstractView = require('Knoin/AbstractView');

/**
 * @constructor
 * @extends AbstractView
 */
function IdentityPopupView()
{
	AbstractView.call(this, 'Popups', 'PopupsIdentity');

	var self = this;

	this.id = '';
	this.edit = ko.observable(false);
	this.owner = ko.observable(false);

	this.email = ko.observable('').validateEmail();
	this.email.focused = ko.observable(false);
	this.name = ko.observable('');
	this.name.focused = ko.observable(false);
	this.replyTo = ko.observable('').validateSimpleEmail();
	this.replyTo.focused = ko.observable(false);
	this.bcc = ko.observable('').validateSimpleEmail();
	this.bcc.focused = ko.observable(false);

	this.signature = ko.observable('');
	this.signatureInsertBefore = ko.observable(false);

	this.showBcc = ko.observable(false);
	this.showReplyTo = ko.observable(false);

	this.submitRequest = ko.observable(false);
	this.submitError = ko.observable('');

	this.bcc.subscribe(function(aValue) {
		if (false === self.showBcc() && 0 < aValue.length)
		{
			self.showBcc(true);
		}
	}, this);

	this.replyTo.subscribe(function(aValue) {
		if (false === self.showReplyTo() && 0 < aValue.length)
		{
			self.showReplyTo(true);
		}
	}, this);

	this.addOrEditIdentityCommand = Utils.createCommand(this, function() {

		if (this.signature && this.signature.__fetchEditorValue)
		{
			this.signature.__fetchEditorValue();
		}

		if (!this.email.hasError())
		{
			this.email.hasError('' === Utils.trim(this.email()));
		}

		if (this.email.hasError())
		{
			if (!this.owner())
			{
				this.email.focused(true);
			}

			return false;
		}

		if (this.replyTo.hasError())
		{
			this.replyTo.focused(true);
			return false;
		}

		if (this.bcc.hasError())
		{
			this.bcc.focused(true);
			return false;
		}

		this.submitRequest(true);

		Remote.identityUpdate(_.bind(function(sResult, oData) {

			this.submitRequest(false);
			if (Enums.StorageResultType.Success === sResult && oData)
			{
				if (oData.Result)
				{
					require('App/User').default.accountsAndIdentities();
					this.cancelCommand();
				}
				else if (oData.ErrorCode)
				{
					this.submitError(Translator.getNotification(oData.ErrorCode));
				}
			}
			else
			{
				this.submitError(Translator.getNotification(Enums.Notification.UnknownError));
			}

		}, this), this.id, this.email(), this.name(), this.replyTo(), this.bcc(),
			this.signature(), this.signatureInsertBefore());

		return true;

	}, function() {
		return !this.submitRequest();
	});

	kn.constructorEnd(this);
}

kn.extendAsViewModel(['View/Popup/Identity', 'PopupsIdentityViewModel'], IdentityPopupView);
_.extend(IdentityPopupView.prototype, AbstractView.prototype);

IdentityPopupView.prototype.clearPopup = function()
{
	this.id = '';
	this.edit(false);
	this.owner(false);

	this.name('');
	this.email('');
	this.replyTo('');
	this.bcc('');
	this.signature('');
	this.signatureInsertBefore(false);

	this.email.hasError(false);
	this.replyTo.hasError(false);
	this.bcc.hasError(false);

	this.showBcc(false);
	this.showReplyTo(false);

	this.submitRequest(false);
	this.submitError('');
};

/**
 * @param {?IdentityModel} oIdentity
 */
IdentityPopupView.prototype.onShow = function(oIdentity)
{
	this.clearPopup();

	if (oIdentity)
	{
		this.edit(true);

		this.id = oIdentity.id() || '';
		this.name(oIdentity.name());
		this.email(oIdentity.email());
		this.replyTo(oIdentity.replyTo());
		this.bcc(oIdentity.bcc());
		this.signature(oIdentity.signature());
		this.signatureInsertBefore(oIdentity.signatureInsertBefore());

		this.owner('' === this.id);
	}
	else
	{
		this.id = Utils.fakeMd5();
	}
};

IdentityPopupView.prototype.onShowWithDelay = function()
{
	if (!this.owner() && !Globals.bMobile)
	{
		this.email.focused(true);
	}
};

IdentityPopupView.prototype.onHideWithDelay = function()
{
	this.clearPopup();
};

module.exports = IdentityPopupView;