var
	ko = require('ko'),

	Translator = require('Common/Translator'),

	TemplateStore = require('Stores/User/Template'),

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

/**
 * @constructor
 */
function TemplatesUserSettings()
{
	this.templates = TemplateStore.templates;

	this.processText = ko.computed(function() {
		return TemplateStore.templates.loading() ? Translator.i18n('SETTINGS_TEMPLETS/LOADING_PROCESS') : '';
	}, this);

	this.visibility = ko.computed(function() {
		return '' === this.processText() ? 'hidden' : 'visible';
	}, this);

	this.templateForDeletion = ko.observable(null).deleteAccessHelper();
}

TemplatesUserSettings.prototype.scrollableOptions = function(sWrapper)
{
	return {
		handle: '.drag-handle',
		containment: sWrapper || 'parent',
		axis: 'y'
	};
};

TemplatesUserSettings.prototype.addNewTemplate = function()
{
	require('Knoin/Knoin').showScreenPopup(require('View/Popup/Template'));
};

TemplatesUserSettings.prototype.editTemplate = function(oTemplateItem)
{
	if (oTemplateItem)
	{
		require('Knoin/Knoin').showScreenPopup(require('View/Popup/Template'), [oTemplateItem]);
	}
};

/**
 * @param {AccountModel} oTemplateToRemove
 */
TemplatesUserSettings.prototype.deleteTemplate = function(oTemplateToRemove)
{
	if (oTemplateToRemove && oTemplateToRemove.deleteAccess())
	{
		this.templateForDeletion(null);

		var
			self = this,
			fRemoveAccount = function(oAccount) {
				return oTemplateToRemove === oAccount;
			};

		if (oTemplateToRemove)
		{
			this.templates.remove(fRemoveAccount);

			Remote.templateDelete(function() {
				self.reloadTemplates();
			}, oTemplateToRemove.id);
		}
	}
};

TemplatesUserSettings.prototype.reloadTemplates = function()
{
	require('App/User').default.templates();
};

TemplatesUserSettings.prototype.onBuild = function(oDom)
{
	var self = this;

	oDom
		.on('click', '.templates-list .template-item .e-action', function() {
			var oTemplateItem = ko.dataFor(this);
			if (oTemplateItem)
			{
				self.editTemplate(oTemplateItem);
			}
		});

	this.reloadTemplates();
};

module.exports = TemplatesUserSettings;