#!/usr/bin/env php
<?php

// Find and initialize Composer
$files = array(
    __DIR__ . '/../../vendor/autoload.php',
    __DIR__ . '/../../../autoload.php',
    __DIR__ . '/../../../../autoload.php',
    __DIR__ . '/../vendor/autoload.php',
);

$found = false;
foreach ($files as $file) {
    if (file_exists($file)) {
        require_once $file;
        break;
    }
}

if (!class_exists('Composer\Autoload\ClassLoader', false)) {
    die(
        'You need to set up the project dependencies using the following commands:' . PHP_EOL .
            'curl -s http://getcomposer.org/installer | php' . PHP_EOL .
            'php composer.phar install' . PHP_EOL
    );
}

$REDIS_BACKEND = getenv('REDIS_BACKEND');
$REDIS_BACKEND_DB = getenv('REDIS_BACKEND_DB');
if(!empty($REDIS_BACKEND)) {
	if (empty($REDIS_BACKEND_DB)) 
		Resque::setBackend($REDIS_BACKEND);
	else
		Resque::setBackend($REDIS_BACKEND, $REDIS_BACKEND_DB);
}

// Set log level for resque-scheduler
$logLevel = 0;
$LOGGING = getenv('LOGGING');
$VERBOSE = getenv('VERBOSE');
$VVERBOSE = getenv('VVERBOSE');
if(!empty($LOGGING) || !empty($VERBOSE)) {
	$logLevel = ResqueScheduler_Worker::LOG_NORMAL;
}
else if(!empty($VVERBOSE)) {
	$logLevel = ResqueScheduler_Worker::LOG_VERBOSE;
}

// Check for jobs every $interval seconds
$interval = 5;
$INTERVAL = getenv('INTERVAL');
if(!empty($INTERVAL)) {
	$interval = $INTERVAL;
}

// Load the user's application if one exists
$APP_INCLUDE = getenv('APP_INCLUDE');
if($APP_INCLUDE) {
	if(!file_exists($APP_INCLUDE)) {
		die('APP_INCLUDE ('.$APP_INCLUDE.") does not exist.\n");
	}

	require_once $APP_INCLUDE;
}

$PREFIX = getenv('PREFIX');
if(!empty($PREFIX)) {
    fwrite(STDOUT, '*** Prefix set to '.$PREFIX."\n");
    Resque_Redis::prefix($PREFIX);
}

$worker = new ResqueScheduler_Worker();
$worker->logLevel = $logLevel;

$PIDFILE = getenv('PIDFILE');
if ($PIDFILE) {
	file_put_contents($PIDFILE, getmypid()) or
		die('Could not write PID information to ' . $PIDFILE);
}

fwrite(STDOUT, "*** Starting scheduler worker\n");
$worker->work($interval);
