<?php

namespace AutoAdmin\Bundle\Admin\Security;

use AutoAdmin\Bundle\Admin\Entity\Administrator;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
use Symfony\Component\Security\Core\Security;
use Symfony\Component\Security\Http\Authenticator\AbstractLoginFormAuthenticator;
use Symfony\Component\Security\Http\Authenticator\Passport\Badge\CsrfTokenBadge;
use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge;
use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\PasswordCredentials;
use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
use Symfony\Component\Security\Http\Util\TargetPathTrait;


class AdminCustomAuthenticator extends AbstractLoginFormAuthenticator
{
    use TargetPathTrait;

    private const LOGIN_ROUTE = 'aa_admin_login';
    private const LOGIN_REDIR_ROUTE = 'aa_admin_dashboard_index';

    private UrlGeneratorInterface $urlGenerator;
    private Security $security;

    public function __construct(
        UrlGeneratorInterface $urlGenerator,
        Security              $security
    )
    {
        $this->urlGenerator = $urlGenerator;
        $this->security = $security;
    }

    public function supports(Request $request): bool
    {
        // if there is already an authenticated user (likely due to the session)
        // then return false and skip authentication: there is no need.
        if (($user = $this->security->getUser()) && $user instanceof Administrator) {
            return false;
        }

        return self::LOGIN_ROUTE === $request->attributes->get('_route')
            && $request->isMethod('POST');
    }

    public function authenticate(Request $request): Passport
    {
        $password = $request->request->get('_password');
        $username = $request->request->get('_username');
        $csrfToken = $request->request->get('_csrf_token');

        if (
            empty($password)
            || empty($username)
            || empty($csrfToken)
        ) {
            throw new CustomUserMessageAuthenticationException('An error occurred when login');
        }

        return new Passport(
            new UserBadge($username),
            new PasswordCredentials($password),
            [new CsrfTokenBadge('authenticate', $csrfToken)]
        );
    }

    public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): Response
    {
        if ($targetPath = $this->getTargetPath($request->getSession(), $firewallName)) {
            return new RedirectResponse($targetPath);
        }

        return new RedirectResponse($this->urlGenerator->generate(self::LOGIN_REDIR_ROUTE));
    }

    protected function getLoginUrl(Request $request): string
    {
        return $this->urlGenerator->generate(self::LOGIN_ROUTE);
    }
}
