<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link http://piwik.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */
namespace Piwik\Plugins\QueuedTracking;

use Piwik\Tracker\Cache;

class Config
{
    private $cachedConfig;

    public function getRedisHost()
    {
        return $this->getFromTrackerCache('redisHost');
    }

    public function getRedisPort()
    {
        return $this->getFromTrackerCache('redisPort');
    }

    public function getRedisTimeout()
    {
        return $this->getFromTrackerCache('redisTimeout');
    }

    public function getRedisPassword()
    {
        return $this->getFromTrackerCache('redisPassword');
    }

    public function isQueueEnabled()
    {
        return $this->getFromTrackerCache('queueEnabled');
    }

    public function getNumRequestsToProcess()
    {
        return $this->getFromTrackerCache('numRequestsToProcess');
    }

    public function shouldProcessDuringTrackingRequest()
    {
        return $this->getFromTrackerCache('processDuringTrackingRequest');
    }

    private function getFromTrackerCache($name)
    {
        $this->loadCachedConfigIfNeeded();

        $name = $this->prefix($name);

        if (array_key_exists($name, $this->cachedConfig)) {
            return $this->cachedConfig[$name];
        }
    }

    private function loadCachedConfigIfNeeded()
    {
        if (is_null($this->cachedConfig)) {
            $this->cachedConfig = Cache::getCacheGeneral();
        }

        if (empty($this->cachedConfig)) {
            $this->cachedConfig = array();
        }
    }

    private function prefix($optionName)
    {
        return 'QueuedTracking.' . $optionName;
    }

    public function setTrackerCacheGeneral($cacheContent)
    {
        $settings = new Settings();
        $cacheContent[$this->prefix('redisHost')] = $cacheContent[$settings->redisHost->getValue()];
        $cacheContent[$this->prefix('redisPort')] = $cacheContent[$settings->redisPort->getValue()];
        $cacheContent[$this->prefix('redisPassword')] = $cacheContent[$settings->redisPassword->getValue()];
        $cacheContent[$this->prefix('redisTimeout')] = $cacheContent[$settings->redisTimeout->getValue()];
        $cacheContent[$this->prefix('queueEnabled')] = $cacheContent[$settings->queueEnabled->getValue()];
        $cacheContent[$this->prefix('processDuringTrackingRequest')] = $cacheContent[$settings->processDuringTrackingRequest->getValue()];
        $cacheContent[$this->prefix('numRequestsToProcess')] = $cacheContent[$settings->numRequestsToProcess->getValue()];

        return $cacheContent;
    }

}