<?php
/**
 * @see Zend_Controller_Exception
 */
require_once 'Zend/Controller/Exception.php';

/**
 * @category   WsDebug
 * @package    WsDebug_Controller
 * @subpackage Plugins
 */
class WsDebug_Controller_Plugin_Debug extends Zend_Controller_Plugin_Abstract
{
    /**
     * Contains registered plugins
     *
     * @var array
     */
    protected $_plugins = array();

    /**
     * Contains options to change Debug Bar behavior
     */
    protected $_options = array(
        'plugins'    	=> array(
            'Exception' => null,
		),
    );
    
    /**
     * Standard plugins
     *
     * @var array
     */
    public static $standardPlugins = array(
        'Exception',  
	);

    /**
     * Creates a new instance of the Debug Bar
     *
     * @param array|Zend_Config $options
     * @throws Zend_Controller_Exception
     * @return void
     */

    protected $_closingBracket = null;

    public function __construct($options = null)
    {
        if (isset($options)) {
            if ($options instanceof Zend_Config) {
                $options = $options->toArray();
            }

            /*
             * Verify that adapter parameters are in an array.
             */
            if (!is_array($options)) {
                throw new Zend_Exception('Parameters must be in an array or a Zend_Config object');
            }

            $this->setOptions($options);
        }

        /**
         * Creating the log tab
         */
        $logger = new WsDebug_Controller_Plugin_Debug_Plugin_Log();
        $this->registerPlugin($logger);
        $logger->mark('Startup - WsDebug construct()', true);

        /**
         * Loading already defined plugins
         */
        $this->_loadPlugins();
    }
    
    /**
     * Get the ZFDebug logger
     *
     * @return Zend_Log
     */
    public function getLogger()
    {
        return $this->getPlugin('Log')->logger();
    }

    /**
     * Sets options of the Debug Bar
     *
     * @param array $options
     * @return ZFDebug_Controller_Plugin_Debug
     */
    public function setOptions(array $options = array())
    {   
        if (isset($options['plugins'])) {
            $this->_options['plugins'] = $options['plugins'];
        }
        return $this;
    }

    /**
     * Register a new plugin in the Debug Bar
     *
     * @param WsDebug_Controller_Plugin_Debug_Plugin_Interface
     * @return WsDebug_Controller_Plugin_Debug
     */
    public function registerPlugin(WsDebug_Controller_Plugin_Debug_Plugin_Interface $plugin)
    {
        $this->_plugins[$plugin->getIdentifier()] = $plugin;
        return $this;
    }

    /**
     * Unregister a plugin in the Debug Bar
     *
     * @param string $plugin
     * @return WsDebug_Controller_Plugin_Debug
     */
    public function unregisterPlugin($plugin)
    {
        if (false !== strpos($plugin, '_')) {
            foreach ($this->_plugins as $key => $_plugin) {
                if ($plugin == get_class($_plugin)) {
                    unset($this->_plugins[$key]);
                }
            }
        } else {
            $plugin = strtolower($plugin);
            if (isset($this->_plugins[$plugin])) {
                unset($this->_plugins[$plugin]);
            }
        }
        return $this;
    }
    
    /**
     * Get a registered plugin in the Debug Bar
     *
     * @param string $identifier
     * @return WsDebug_Controller_Plugin_Debug_Plugin_Interface
     */
    public function getPlugin($identifier)
    {
        $identifier = strtolower($identifier);
        if (isset($this->_plugins[$identifier])) {
            return $this->_plugins[$identifier];
        }
        return false;
    }
    
    /**
     * Defined by Zend_Controller_Plugin_Abstract
     */
    public function dispatchLoopShutdown()
    {        
        $txt = '';

        /**
         * Creating content for all registered plugins
         */
        foreach ($this->_plugins as $plugin) {
            $data = $plugin->getData();
            if ($data == '') {
                continue;
            }
            $txt .= 'Debug - ' . ucfirst($plugin->getIdentifier())." : \n";
            $txt .= $data;            
        }

        $this->_output($txt);
    }

    ### INTERNAL METHODS BELOW ###

    /**
     * Load plugins set in config option
     *
     * @return void;
     */
    protected function _loadPlugins()
    {
        foreach ($this->_options['plugins'] as $plugin => $options) {
            if (is_numeric($plugin)) {
                # Plugin passed as array value instead of key
                $plugin = $options;
                $options = array();
            }
            
            // Register an instance
            if (is_object($plugin) && in_array('WsDebug_Controller_Plugin_Debug_Plugin_Interface', class_implements($plugin))) {
                $this->registerPlugin($plugin);
                continue;
            }
            
            if (!is_string($plugin)) {
                throw new Exception("Invalid plugin name", 1);
            }
            $plugin = ucfirst($plugin);
            
            // Register a classname
            if (in_array($plugin, WsDebug_Controller_Plugin_Debug::$standardPlugins)) {
                // standard plugin
                $pluginClass = 'WsDebug_Controller_Plugin_Debug_Plugin_' . $plugin;
            } else {
                // we use a custom plugin
                if (!preg_match('~^[\w]+$~D', $plugin)) {
                    throw new Zend_Exception("WsDebug: Invalid plugin name [$plugin]");
                }
                $pluginClass = $plugin;
            }

            require_once str_replace('_', DIRECTORY_SEPARATOR, $pluginClass) . '.php';
            $object = new $pluginClass($options);
            $this->registerPlugin($object);
        }
    }

    /**
    * Output text for logging
    *
    * @param string $txt
    * @return void
    */
    protected function _output($txt)
    {
    	//file_put_contents(APPLICATION_PATH . '/../test.log', $txt, FILE_APPEND);
    	//Is txt should be send by mail
    	//Is txt should be write to file
    	
    }
    
}