<?php

namespace App\Filters;

use CodeIgniter\Filters\FilterInterface;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;

class AuthFilter implements FilterInterface
{
    /**
     * Do whatever processing this filter needs to do.
     * By default it should not return anything during
     * normal execution. However, when an abnormal state
     * is found, it should return an instance of
     * CodeIgniter\HTTP\Response. If it does, script
     * execution will end and that Response will be
     * sent back to the client, allowing for error pages,
     * redirects, etc.
     *
     * @param RequestInterface $request
     * @param array|null       $arguments
     *
     * @return mixed
     */
    public function before(RequestInterface $request, $arguments = null)
    {
        $auth = service('myauth');
        // log_message("debug", var_export($arguments, true));
        // 로그인 않했으면
        if (!$auth->isLoggedIn()) {
            $urlStack = session()->get('url_stack', []) ?? [];
            $urlStack[] = current_url() . ($request->getUri()->getQuery() ? "?" . $request->getUri()->getQuery() : "");;
            session()->set('url_stack', $urlStack);
            return redirect()->to(URLS['LOGIN'])->with('error', '로그인을하셔야합니다.');
        }
        //User Role 비교 // 회원 ROLES이 필요ROLE($arguments[0]) 목록에 존재하지 않으면(ACL)
        $auth = session()->get(SESSION_NAMES['AUTH']);
        $roles = explode(DEFAULTS['DELIMITER_ROLE'], $auth['role']);
        if (!isset($auth['role']) || !in_array($arguments[0], $roles)) {
            return redirect()->back()->with('error', "회원[{$auth['name']}]님은 접속에 필요한 권한{$arguments[0]}이 없습니다. ");
        }
    }

    /**
     * Allows After filters to inspect and modify the response
     * object as needed. This method does not allow any way
     * to stop execution of other after filters, short of
     * throwing an Exception or Error.
     *
     * @param RequestInterface  $request
     * @param ResponseInterface $response
     * @param array|null        $arguments
     *
     * @return mixed
     */
    public function after(RequestInterface $request, ResponseInterface $response, $arguments = null)
    {
        //
    }
}