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<!DOCTYPE html>
<html>
<?php

if (!defined('ABSPATH')) die('No direct access allowed');

require_once('class-updraft-logger-interface.php');
require_once('class-updraft-log-levels.php');
require_once('class-updraft-abstract-logger.php');
require_once('class-updraft-logger.php');

if (class_exists('Updraft_Logger')) return ;

/**
 * Class Updraft_Logger
 */
class Updraft_Logger implements Updraft_Logger_Interface {
    protected $_loggers = array();

    /**
     * Constructor method
     * @param Updraft_Logger_Interface $logger
     */
    public function __construct(Updraft_Logger_Interface $logger = null) {
        if (!is_null($logger)) $this->_loggers = array($logger);
    }

    /**
     * Add logger to loggers list
     * @param Updraft_Logger_Interface $logger
     */
    public function add_logger(Updraft_Logger_Interface $logger) {
        $this->_loggers[] = $logger;
    }

    /**
     * Return list of loggers
     * @return array
     */
    public function get_loggers() {
        return $this->_loggers;
    }

    /**
     * System is unusable.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function emergency($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->emergency($message, $context);
        }

    }

    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function alert($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->alert($message, $context);
        }

    }

    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function critical($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->critical($message, $context);
        }

    }

    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function error($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->error($message, $context);
        }

    }

    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function warning($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->warning($message, $context);
        }

    }

    /**
     * Normal but significant events.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function notice($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->notice($message, $context);
        }

    }

    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function info($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->info($message, $context);
        }

    }

    /**
     * Detailed debug information.
     *
     * @param string $message
     * @param array $context
     * @return null
     */
    public function debug($message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as &$logger) {
            $logger->debug($message, $context);
        }

    }

    /**
     * Logs with an arbitrary level.
     *
     * @param mixed $level
     * @param string $message
     * @param array $context
     * @return null
     */
    public function log($level, $message, array $context = array()) {

        if (empty($this->_loggers)) return false;

        foreach($this->_loggers as $logger) {
            $logger->log($message, $context);
        }

    }
}