<?php
/**
 * Copyright 2006, 2007, 2008, 2009 Eric D. Hough (http://ehough.com)
 * 
 * This file is part of TubePress (http://tubepress.org)
 * 
 * TubePress is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * TubePress is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with TubePress.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

function_exists('tubepress_load_classes')
    || require(dirname(__FILE__) . '/../../../../tubepress_classloader.php');
tubepress_load_classes(array('org_tubepress_options_manager_OptionsManager',
    'org_tubepress_options_storage_StorageManager',
    'org_tubepress_options_reference_OptionsReference',
    'org_tubepress_options_validation_InputValidationService'));

/**
 * Holds the current options for TubePress. This is the default options,
 * usually in persistent storage somewhere, and custom options parsed
 * from a shortcode
 */
class org_tubepress_options_manager_SimpleOptionsManager implements org_tubepress_options_manager_OptionsManager
{
    /**
     * Enter description here...
     *
     * @var array
     */
    private $_customOptions = array();
    
    /**
     * Enter description here...
     *
     * @var org_tubepress_options_storage_StorageManager
     */
    private $_tpsm;
    
    private $_optionsReference;
    
    private $_validationService;
    
    /**
     * The shortcode currently in use
     *
     * @var string
     */
    private $_shortcode;
    
    /**
     * Gets the value of an option
     *
     * @param string $optionName The name of the option
     * 
     * @return unknown The option value
     */
    public function get($optionName)
    {
        /* get the value, either from the shortcode or the db */
        $value = array_key_exists($optionName, $this->_customOptions) ?
            $this->_customOptions[$optionName] : $this->_tpsm->get($optionName);
        
        /* get a valid value for this option */    
        try {
            $this->_validationService->validate($optionName, $value);
        } catch (Exception $e) {
            $value = $this->_optionsReference->getDefaultValue($optionName);
        }
        return $value;
    }
    
    /**
     * Enter description here...
     *
     * @param array $customOpts Custom options
     * 
     * @return void
     */
    public function setCustomOptions($customOpts)
    {
        $this->_customOptions = $customOpts;
    }

    public function mergeCustomOptions($customOpts)
    {
        $this->_customOptions = array_merge($this->_customOptions, $customOpts);
    }    

    /**
     * Enter description here...
     *
     * @param string $newTagString The new shortcode
     * 
     * @return void
     */
    public function setShortcode($newTagString)
    {
        $this->_shortcode = $newTagString;
    }
    
    /**
     * Enter description here...
     *
     * @return string The full shortcode
     */
    public function getShortcode()
    {
        return $this->_shortcode;
    }
    
    public function setStorageManager(org_tubepress_options_storage_StorageManager $tpsm)
    {
        $this->_tpsm = $tpsm;
    }
    
    public function setOptionsReference(org_tubepress_options_reference_OptionsReference $ref)
    {
        $this->_optionsReference = $ref;
    }
    
    public function setValidationService(org_tubepress_options_validation_InputValidationService $valService)
    {
        $this->_validationService = $valService;
    }
}