<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Log

 * @subpackage Writer

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/** Zend_Log */

require_once 'Zend/Log.php';

/** Zend_Log_Writer_Abstract */

require_once 'Zend/Log/Writer/Abstract.php';

/** Zend_Log_Formatter_Firebug */

require_once 'Zend/Log/Formatter/Firebug.php';

/** Zend_Wildfire_Plugin_FirePhp */

require_once 'Zend/Wildfire/Plugin/FirePhp.php';

/**

 * Writes log messages to the Firebug Console via FirePHP.

 *

 * @category   Zend

 * @package    Zend_Log

 * @subpackage Writer

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Log_Writer_Firebug extends Zend_Log_Writer_Abstract

{

    /**

     * Maps logging priorities to logging display styles

     *

     * @var array

     */

    protected $_priorityStyles = array(Zend_Log::EMERG  => Zend_Wildfire_Plugin_FirePhp::ERROR,

                                       Zend_Log::ALERT  => Zend_Wildfire_Plugin_FirePhp::ERROR,

                                       Zend_Log::CRIT   => Zend_Wildfire_Plugin_FirePhp::ERROR,

                                       Zend_Log::ERR    => Zend_Wildfire_Plugin_FirePhp::ERROR,

                                       Zend_Log::WARN   => Zend_Wildfire_Plugin_FirePhp::WARN,

                                       Zend_Log::NOTICE => Zend_Wildfire_Plugin_FirePhp::INFO,

                                       Zend_Log::INFO   => Zend_Wildfire_Plugin_FirePhp::INFO,

                                       Zend_Log::DEBUG  => Zend_Wildfire_Plugin_FirePhp::LOG);

    /**

     * The default logging style for un-mapped priorities

     *

     * @var string

     */

    protected $_defaultPriorityStyle = Zend_Wildfire_Plugin_FirePhp::LOG;

    /**

     * Flag indicating whether the log writer is enabled

     *

     * @var boolean

     */

    protected $_enabled = true;

    /**

     * Class constructor

     *

     * @return void

     */

    public function __construct()

    {

        if (php_sapi_name() == 'cli') {

            $this->setEnabled(false);

        }

        $this->_formatter = new Zend_Log_Formatter_Firebug();

    }

    /**

     * Create a new instance of Zend_Log_Writer_Firebug

     *

     * @param  array|Zend_Config $config

     * @return Zend_Log_Writer_Firebug

     */

    static public function factory($config)

    {

        return new self();

    }

    /**

     * Enable or disable the log writer.

     *

     * @param boolean $enabled Set to TRUE to enable the log writer

     * @return boolean The previous value.

     */

    public function setEnabled($enabled)

    {

        $previous = $this->_enabled;

        $this->_enabled = $enabled;

        return $previous;

    }

    /**

     * Determine if the log writer is enabled.

     *

     * @return boolean Returns TRUE if the log writer is enabled.

     */

    public function getEnabled()

    {

        return $this->_enabled;

    }

    /**

     * Set the default display style for user-defined priorities

     *

     * @param string $style The default log display style

     * @return string Returns previous default log display style

     */

    public function setDefaultPriorityStyle($style)

    {

        $previous = $this->_defaultPriorityStyle;

        $this->_defaultPriorityStyle = $style;

        return $previous;

    }

    /**

     * Get the default display style for user-defined priorities

     *

     * @return string Returns the default log display style

     */

    public function getDefaultPriorityStyle()

    {

        return $this->_defaultPriorityStyle;

    }

    /**

     * Set a display style for a logging priority

     *

     * @param int $priority The logging priority

     * @param string $style The logging display style

     * @return string|boolean The previous logging display style if defined or TRUE otherwise

     */

    public function setPriorityStyle($priority, $style)

    {

        $previous = true;

        if (array_key_exists($priority,$this->_priorityStyles)) {

            $previous = $this->_priorityStyles[$priority];

        }

        $this->_priorityStyles[$priority] = $style;

        return $previous;

    }

    /**

     * Get a display style for a logging priority

     *

     * @param int $priority The logging priority

     * @return string|boolean The logging display style if defined or FALSE otherwise

     */

    public function getPriorityStyle($priority)

    {

        if (array_key_exists($priority,$this->_priorityStyles)) {

            return $this->_priorityStyles[$priority];

        }

        return false;

    }

    /**

     * Log a message to the Firebug Console.

     *

     * @param array $event The event data

     * @return void

     */

    protected function _write($event)

    {

        if (!$this->getEnabled()) {

            return;

        }

        if (array_key_exists($event['priority'],$this->_priorityStyles)) {

            $type = $this->_priorityStyles[$event['priority']];

        } else {

            $type = $this->_defaultPriorityStyle;

        }

        $message = $this->_formatter->format($event);

        $label = isset($event['firebugLabel'])?$event['firebugLabel']:null;

        Zend_Wildfire_Plugin_FirePhp::getInstance()->send($message,

                                                          $label,

                                                          $type,

                                                          array('traceOffset'=>4,

                                                                'fixZendLogOffsetIfApplicable'=>true));

    }

}