<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\Diagnostics\Diagnostic;

use Piwik\Filesystem;
use Piwik\SettingsPiwik;
use Piwik\Translation\Translator;
/**
 * Checks if the filesystem Piwik stores sessions in is NFS or not.
 *
 * This check is done in order to avoid using file based sessions on NFS system,
 * since on such a filesystem file locking can make file based sessions incredibly slow.
 */
class NfsDiskCheck implements \Piwik\Plugins\Diagnostics\Diagnostic\Diagnostic
{
    /**
     * @var Translator
     */
    private $translator;
    public function __construct(Translator $translator)
    {
        $this->translator = $translator;
    }
    public function execute()
    {
        $label = $this->translator->translate('Installation_Filesystem');
        if (!Filesystem::checkIfFileSystemIsNFS()) {
            return array(\Piwik\Plugins\Diagnostics\Diagnostic\DiagnosticResult::singleResult($label, \Piwik\Plugins\Diagnostics\Diagnostic\DiagnosticResult::STATUS_OK));
        }
        if (!SettingsPiwik::isMatomoInstalled()) {
            $help = 'Installation_NfsFilesystemWarningSuffixInstall';
        } else {
            $help = 'Installation_NfsFilesystemWarningSuffixAdmin';
        }
        $comment = sprintf('%s<br />%s', $this->translator->translate('Installation_NfsFilesystemWarning'), $this->translator->translate($help));
        return array(\Piwik\Plugins\Diagnostics\Diagnostic\DiagnosticResult::singleResult($label, \Piwik\Plugins\Diagnostics\Diagnostic\DiagnosticResult::STATUS_WARNING, $comment));
    }
}
