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

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

	Settings = require('Storage/Settings'),
	Remote = require('Remote/Admin/Ajax'),

	LicenseStore = require('Stores/Admin/License'),

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

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

	var self = this;

	this.domain = ko.observable('');
	this.key = ko.observable('');
	this.key.focus = ko.observable(false);
	this.activationSuccessed = ko.observable(false);

	this.licenseTrigger = LicenseStore.licenseTrigger;

	this.activateProcess = ko.observable(false);
	this.activateText = ko.observable('');
	this.activateText.isError = ko.observable(false);

	this.htmlDescription = ko.computed(function() {
		return Translator.i18n('POPUPS_ACTIVATE/HTML_DESC', {'DOMAIN': this.domain()});
	}, this);

	this.key.subscribe(function() {
		this.activateText('');
		this.activateText.isError(false);
	}, this);

	this.activationSuccessed.subscribe(function(bValue) {
		if (bValue)
		{
			this.licenseTrigger(!this.licenseTrigger());
		}
	}, this);

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

		this.activateProcess(true);
		if (this.validateSubscriptionKey())
		{
			Remote.licensingActivate(function(sResult, oData) {

				self.activateProcess(false);
				if (Enums.StorageResultType.Success === sResult && oData.Result)
				{
					if (true === oData.Result)
					{
						self.activationSuccessed(true);
						self.activateText(Translator.i18n('POPUPS_ACTIVATE/SUBS_KEY_ACTIVATED'));
						self.activateText.isError(false);
					}
					else
					{
						self.activateText(oData.Result);
						self.activateText.isError(true);
						self.key.focus(true);
					}
				}
				else if (oData.ErrorCode)
				{
					self.activateText(Translator.getNotification(oData.ErrorCode));
					self.activateText.isError(true);
					self.key.focus(true);
				}
				else
				{
					self.activateText(Translator.getNotification(Enums.Notification.UnknownError));
					self.activateText.isError(true);
					self.key.focus(true);
				}

			}, this.domain(), this.key());
		}
		else
		{
			this.activateProcess(false);
			this.activateText(Translator.i18n('POPUPS_ACTIVATE/ERROR_INVALID_SUBS_KEY'));
			this.activateText.isError(true);
			this.key.focus(true);
		}

	}, function() {
		return !this.activateProcess() && '' !== this.domain() && '' !== this.key() && !this.activationSuccessed();
	});

	kn.constructorEnd(this);
}

kn.extendAsViewModel(['View/Popup/Activate', 'PopupsActivateViewModel'], ActivatePopupView);
_.extend(ActivatePopupView.prototype, AbstractView.prototype);

ActivatePopupView.prototype.onShow = function(bTrial)
{
	this.domain(Settings.settingsGet('AdminDomain'));
	if (!this.activateProcess())
	{
		bTrial = Utils.isUnd(bTrial) ? false : !!bTrial;

		this.key(bTrial ? Consts.RAINLOOP_TRIAL_KEY : '');
		this.activateText('');
		this.activateText.isError(false);
		this.activationSuccessed(false);
	}
};

ActivatePopupView.prototype.onShowWithDelay = function()
{
	if (!this.activateProcess())
	{
		this.key.focus(true);
	}
};

/**
 * @returns {boolean}
 */
ActivatePopupView.prototype.validateSubscriptionKey = function()
{
	var sValue = this.key();
	return '' === sValue || Consts.RAINLOOP_TRIAL_KEY === sValue || !!(/^RL[\d]+-[A-Z0-9\-]+Z$/).test(Utils.trim(sValue));
};

module.exports = ActivatePopupView;