<?php

namespace App\Libraries\MyAuth;

use App\Entities\UserEntity;
use App\Libraries\CommonLibrary;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\Session\Session;
// 참고:https://github.com/SyntaxPhoenix/iloclient
class MyAuth extends CommonLibrary
{
	private ?Session $_session = null;
	public function __construct() {}
	final public function getSession(): Session
	{
		if ($this->_session == null) {
			$this->_session = \Config\Services::session();
		}
		return $this->_session;
	}
	final public function getAuthInfo(string $key = ""): array|string
	{
		if ($key) {
			return isset($this->getSession()->get(SESSION_NAMES['AUTH'])[$key]) ? $this->getSession()->get(SESSION_NAMES['AUTH'])[$key] : "";
		}
		return $this->getSession()->get(SESSION_NAMES['AUTH']);
	}

	final public function isLoggedIn(): bool
	{
		return $this->getSession()->has(SESSION_NAMES['ISLOGIN']);
	}
	final public function isAccessRole(array $roles): bool
	{
		if ($this->getAuthInfo('role') === "") {
			return	false;
		}
		$myRoles = explode(DEFAULTS['DELIMITER_ROLE'], $this->getAuthInfo('role'));
		// 교집합이 없으면 false
		if (empty(array_intersect($myRoles, $roles))) {
			return false;
		}
		return true;
	}

	final public function pushCurrentUrl(string $url): void
	{
		$this->getSession()->set('url_stack', $url);
	}

	final public function popPreviousUrl(): string
	{
		$url = $this->getSession()->get('url_stack') ?? "";
		if (!empty($url)) {
			$this->pushCurrentUrl("");
			return $url;
		}
		return '/';  // 기본 URL
	}

	final public function login(UserEntity $entity): void
	{
		$this->getSession()->set(SESSION_NAMES['ISLOGIN'], true);
		$this->getSession()->set(SESSION_NAMES['AUTH'], [
			'uid' => $entity->getPK(),
			'id' => $entity->getID(),
			'name' => $entity->getTitle(),
			'role' => $entity->role
		]);
	}

	final public function logout(): void
	{
		// 세션 데이터 삭제
		$this->getSession()->remove(SESSION_NAMES['ISLOGIN']);
		$this->getSession()->remove(SESSION_NAMES['AUTH']);

		// 모든 세션 데이터 삭제
		$this->getSession()->destroy();

		// 세션 쿠키 삭제
		if (ini_get("session.use_cookies")) {
			$params = session_get_cookie_params();
			setcookie(
				session_name(),
				'',
				time() - 42000,
				$params["path"],
				$params["domain"],
				$params["secure"],
				$params["httponly"]
			);
		}

		// 세션 재생성
		session_start();
		$this->getSession()->regenerate(true);
	}
}