<?php

/*
 * PHP-Auth (https://github.com/delight-im/PHP-Auth)
 * Copyright (c) delight.im (https://www.delight.im/)
 * Licensed under the MIT License (https://opensource.org/licenses/MIT)
 */

namespace Delight\Auth;

use Delight\Db\PdoDatabase;
use Delight\Db\PdoDsn;

require_once __DIR__ . '/Exceptions.php';

/** Abstract base class for components implementing user management */
abstract class UserManager {

	/** @var PdoDatabase the database connection to operate on */
	protected $db;

	/**
	 * @param PdoDatabase|PdoDsn|\PDO $databaseConnection the database connection to operate on
	 */
	protected function __construct($databaseConnection) {
		if ($databaseConnection instanceof PdoDatabase) {
			$this->db = $databaseConnection;
		}
		elseif ($databaseConnection instanceof PdoDsn) {
			$this->db = PdoDatabase::fromDsn($databaseConnection);
		}
		elseif ($databaseConnection instanceof \PDO) {
			$this->db = PdoDatabase::fromPdo($databaseConnection, true);
		}
		else {
			$this->db = null;

			throw new \InvalidArgumentException('The database connection must be an instance of either `PdoDatabase`, `PdoDsn` or `PDO`');
		}
	}

}