<?php

declare(strict_types=1);

namespace Sabre;

class TestUtil
{
    /**
     * This function deletes all the contents of the temporary directory.
     */
    public static function clearTempDir()
    {
        self::deleteTree(SABRE_TEMPDIR, false);
    }

    private static function deleteTree($path, $deleteRoot = true)
    {
        foreach (scandir($path) as $node) {
            if ('.' == $node || '..' == $node) {
                continue;
            }
            $myPath = $path.'/'.$node;
            if (is_file($myPath)) {
                unlink($myPath);
            } else {
                self::deleteTree($myPath);
            }
        }
        if ($deleteRoot) {
            rmdir($path);
        }
    }

    public static function getMySQLDB()
    {
        try {
            $pdo = new \PDO(SABRE_MYSQLDSN, SABRE_MYSQLUSER, SABRE_MYSQLPASS);
            $pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);

            return $pdo;
        } catch (\PDOException $e) {
            return null;
        }
    }

    public static function getSQLiteDB()
    {
        $pdo = new \PDO('sqlite:'.SABRE_TEMPDIR.'/pdobackend');
        $pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);

        return $pdo;
    }

    public static function getPgSqlDB()
    {
        //try {
        $pdo = new \PDO(SABRE_PGSQLDSN);
        $pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);

        return $pdo;
        //} catch (\PDOException $e) {
        //    return null;
        //}
    }
}