/* RainLoop Webmail (c) RainLoop Team | Licensed under CC BY-NC-SA 3.0 */

(function (module, require) {
	
	'use strict';

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

		Enums = require('Enums'),
		Consts = require('Consts'),
		Utils = require('Utils'),

		Remote = require('Storage:Admin:Remote'),

		kn = require('App:Knoin'),
		KnoinAbstractViewModel = require('Knoin:AbstractViewModel')
	;

	/**
	 * @constructor
	 * @extends KnoinAbstractViewModel
	 */
	function PopupsDomainViewModel()
	{
		KnoinAbstractViewModel.call(this, 'Popups', 'PopupsDomain');

		this.edit = ko.observable(false);
		this.saving = ko.observable(false);
		this.savingError = ko.observable('');
		this.whiteListPage = ko.observable(false);

		this.testing = ko.observable(false);
		this.testingDone = ko.observable(false);
		this.testingImapError = ko.observable(false);
		this.testingSmtpError = ko.observable(false);
		this.testingImapErrorDesc = ko.observable('');
		this.testingSmtpErrorDesc = ko.observable('');

		this.testingImapError.subscribe(function (bValue) {
			if (!bValue)
			{
				this.testingImapErrorDesc('');
			}
		}, this);

		this.testingSmtpError.subscribe(function (bValue) {
			if (!bValue)
			{
				this.testingSmtpErrorDesc('');
			}
		}, this);

		this.testingImapErrorDesc = ko.observable('');
		this.testingSmtpErrorDesc = ko.observable('');

		this.imapServerFocus = ko.observable(false);
		this.smtpServerFocus = ko.observable(false);

		this.name = ko.observable('');
		this.name.focused = ko.observable(false);

		this.imapServer = ko.observable('');
		this.imapPort = ko.observable('' + Consts.Values.ImapDefaulPort);
		this.imapSecure = ko.observable(Enums.ServerSecure.None);
		this.imapShortLogin = ko.observable(false);
		this.smtpServer = ko.observable('');
		this.smtpPort = ko.observable('' + Consts.Values.SmtpDefaulPort);
		this.smtpSecure = ko.observable(Enums.ServerSecure.None);
		this.smtpShortLogin = ko.observable(false);
		this.smtpAuth = ko.observable(true);
		this.whiteList = ko.observable('');

		this.headerText = ko.computed(function () {
			var sName = this.name();
			return this.edit() ? 'Edit Domain "' + sName + '"' :
				'Add Domain' + ('' === sName ? '' : ' "' + sName + '"');
		}, this);

		this.domainIsComputed = ko.computed(function () {
			return '' !== this.name() &&
				'' !== this.imapServer() &&
				'' !== this.imapPort() &&
				'' !== this.smtpServer() &&
				'' !== this.smtpPort();
		}, this);

		this.canBeTested = ko.computed(function () {
			return !this.testing() && this.domainIsComputed();
		}, this);

		this.canBeSaved = ko.computed(function () {
			return !this.saving() && this.domainIsComputed();
		}, this);

		this.createOrAddCommand = Utils.createCommand(this, function () {
			this.saving(true);
			Remote.createOrUpdateDomain(
				_.bind(this.onDomainCreateOrSaveResponse, this),
				!this.edit(),
				this.name(),
				this.imapServer(),
				Utils.pInt(this.imapPort()),
				this.imapSecure(),
				this.imapShortLogin(),
				this.smtpServer(),
				Utils.pInt(this.smtpPort()),
				this.smtpSecure(),
				this.smtpShortLogin(),
				this.smtpAuth(),
				this.whiteList()
			);
		}, this.canBeSaved);

		this.testConnectionCommand = Utils.createCommand(this, function () {
			this.whiteListPage(false);
			this.testingDone(false);
			this.testingImapError(false);
			this.testingSmtpError(false);
			this.testing(true);
			Remote.testConnectionForDomain(
				_.bind(this.onTestConnectionResponse, this),
				this.name(),
				this.imapServer(),
				Utils.pInt(this.imapPort()),
				this.imapSecure(),
				this.smtpServer(),
				Utils.pInt(this.smtpPort()),
				this.smtpSecure(),
				this.smtpAuth()
			);
		}, this.canBeTested);

		this.whiteListCommand = Utils.createCommand(this, function () {
			this.whiteListPage(!this.whiteListPage());
		});

		// smart form improvements
		this.imapServerFocus.subscribe(function (bValue) {
			if (bValue && '' !== this.name() && '' === this.imapServer())
			{
				this.imapServer(this.name().replace(/[.]?[*][.]?/g, ''));
			}
		}, this);

		this.smtpServerFocus.subscribe(function (bValue) {
			if (bValue && '' !== this.imapServer() && '' === this.smtpServer())
			{
				this.smtpServer(this.imapServer().replace(/imap/ig, 'smtp'));
			}
		}, this);

		this.imapSecure.subscribe(function (sValue) {
			var iPort = Utils.pInt(this.imapPort());
			sValue = Utils.pString(sValue);
			switch (sValue)
			{
				case '0':
					if (993 === iPort)
					{
						this.imapPort('143');
					}
					break;
				case '1':
					if (143 === iPort)
					{
						this.imapPort('993');
					}
					break;
			}
		}, this);

		this.smtpSecure.subscribe(function (sValue) {
			var iPort = Utils.pInt(this.smtpPort());
			sValue = Utils.pString(sValue);
			switch (sValue)
			{
				case '0':
					if (465 === iPort || 587 === iPort)
					{
						this.smtpPort('25');
					}
					break;
				case '1':
					if (25 === iPort || 587 === iPort)
					{
						this.smtpPort('465');
					}
					break;
				case '2':
					if (25 === iPort || 465 === iPort)
					{
						this.smtpPort('587');
					}
					break;
			}
		}, this);

		kn.constructorEnd(this);
	}

	kn.extendAsViewModel('PopupsDomainViewModel', PopupsDomainViewModel);

	PopupsDomainViewModel.prototype.onTestConnectionResponse = function (sResult, oData)
	{
		this.testing(false);
		if (Enums.StorageResultType.Success === sResult && oData.Result)
		{
			this.testingDone(true);
			this.testingImapError(true !== oData.Result.Imap);
			this.testingSmtpError(true !== oData.Result.Smtp);

			if (this.testingImapError() && oData.Result.Imap)
			{
				this.testingImapErrorDesc(oData.Result.Imap);
			}

			if (this.testingSmtpError() && oData.Result.Smtp)
			{
				this.testingSmtpErrorDesc(oData.Result.Smtp);
			}
		}
		else
		{
			this.testingImapError(true);
			this.testingSmtpError(true);
		}
	};

	PopupsDomainViewModel.prototype.onDomainCreateOrSaveResponse = function (sResult, oData)
	{
		this.saving(false);
		if (Enums.StorageResultType.Success === sResult && oData)
		{
			if (oData.Result)
			{
				require('App:Admin').reloadDomainList();
				this.closeCommand();
			}
			else if (Enums.Notification.DomainAlreadyExists === oData.ErrorCode)
			{
				this.savingError('Domain already exists');
			}
		}
		else
		{
			this.savingError('Unknown error');
		}
	};

	PopupsDomainViewModel.prototype.onHide = function ()
	{
		this.whiteListPage(false);
	};

	PopupsDomainViewModel.prototype.onShow = function (oDomain)
	{
		this.saving(false);
		this.whiteListPage(false);

		this.testing(false);
		this.testingDone(false);
		this.testingImapError(false);
		this.testingSmtpError(false);

		this.clearForm();
		if (oDomain)
		{
			this.edit(true);

			this.name(Utils.trim(oDomain.Name));
			this.imapServer(Utils.trim(oDomain.IncHost));
			this.imapPort('' + Utils.pInt(oDomain.IncPort));
			this.imapSecure(Utils.trim(oDomain.IncSecure));
			this.imapShortLogin(!!oDomain.IncShortLogin);
			this.smtpServer(Utils.trim(oDomain.OutHost));
			this.smtpPort('' + Utils.pInt(oDomain.OutPort));
			this.smtpSecure(Utils.trim(oDomain.OutSecure));
			this.smtpShortLogin(!!oDomain.OutShortLogin);
			this.smtpAuth(!!oDomain.OutAuth);
			this.whiteList(Utils.trim(oDomain.WhiteList));
		}
	};

	PopupsDomainViewModel.prototype.onFocus = function ()
	{
		if ('' === this.name())
		{
			this.name.focused(true);
		}
	};

	PopupsDomainViewModel.prototype.clearForm = function ()
	{
		this.edit(false);
		this.whiteListPage(false);

		this.savingError('');

		this.name('');
		this.name.focused(false);

		this.imapServer('');
		this.imapPort('' + Consts.Values.ImapDefaulPort);
		this.imapSecure(Enums.ServerSecure.None);
		this.imapShortLogin(false);
		this.smtpServer('');
		this.smtpPort('' + Consts.Values.SmtpDefaulPort);
		this.smtpSecure(Enums.ServerSecure.None);
		this.smtpShortLogin(false);
		this.smtpAuth(true);
		this.whiteList('');
	};

	module.exports = PopupsDomainViewModel;

}(module, require));