/*
 *  Copyright 2015 Anyware Services
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
 * This class controls a ribbon button enabled if at least one newsletter category is on the current selection.
 * @private
 */
Ext.define('Ametys.plugins.newsletter.controller.AutomaticNewsletterController', {
	extend: 'Ametys.plugins.newsletter.controller.NewsletterController',
	
	constructor: function(config)
	{
		this.callParent(arguments);
		
		Ametys.message.MessageBus.on(Ametys.message.Message.MODIFIED, this._onModified, this);
	},
	
	/**
	 * Listener when the category has been modified
	 * @param {Ametys.message.Message} message The modified message.
	 * @protected
	 */
	_onModified: function (message)
	{
		if (this.updateTargetsInCurrentSelectionTargets(message))
		{
			this.refresh();
		}
	},
    
    updateState: function ()
    {
        this._getStatus(this.getMatchingTargets());
    },
    
    /**
     * @private
     * Refresh the status of this controller
     * @param targets The category targets
     */
    _getStatus: function(targets)
    {
        this.disable();
        
        if (targets.length > 0)
        {
            var categoryIds = Ext.Array.map(targets, function(target) {
                 return target.getParameters().id;
            });

            this.serverCall('getStatus',
                    [categoryIds], 
                    Ext.bind(this._getStatusCb, this),
                    { 
                        errorMessage: true,
                        refreshing: true
                    }
            );
        }
    },
    
    /**
     * @private
     * Callback function after retrieving automatic newsletter from server
     * @param {Object} newsletters The automatic newsletters
     */
    _getStatusCb: function (params)
    {
        var availableAutoNewsletterCount = params['available-auto-newsletter-count'];
	    var autoNewsletterCount = params['auto-newsletter-count'];
	    
        this.toggle(autoNewsletterCount > 0);
        this.setDisabled(availableAutoNewsletterCount == 0);
        
        if (availableAutoNewsletterCount < 1)
        {
            this.setAdditionalDescription(this.getInitialConfig('no-auto-description'));
        }
        else if (autoNewsletterCount > 0)
        {
            this.setAdditionalDescription(this.getInitialConfig('toggled-description'));
        }
    }
    
});