<?php defined('SYSPATH') or die('No direct script access.');

class Controller_Handler_Sign extends Controller_Handler
{
    public function before() {
        parent::before();
    }

    public function action_in() {
        $ok = User::instance()->signIn($_POST['login'], $_POST['password']);
        if (!$ok) $this->fail();
    }

    public function action_up() {
        $config = Kohana::$config->load('security.securityPolicy');

        $this->post
            ->rule('login', 'not_empty')
            ->rule('activation_code', 'alpha_numeric')
            ->rule('password', 'min_length', [':value', $config['password']['length']])
            ->rule('confirm_password', 'matches', [':validation', 'confirm_password', 'password'])
            ->rule('email', 'not_empty')
            ->rule('email', 'email');

        if (!$this->post->check())
            $this->fail($this->post->errors('signin'));

        if ($err = User::instance()->signUp($_POST['activation_code'], $_POST['email'], $_POST['login'], $_POST['password']))
            $this->fail(I18n::get($err));
    }

    public function action_remindPassword() {
        $this->post->rule('email', 'not_empty')->rule('email', 'email');
        
        if (!$this->post->check())
             $this->fail('Введенная строка не является <span>e‑mail</span> адресом!');
        
        if (!Account::doesEmailExist($_POST['email']))
            $this->fail('Пользователь с таким <span>e-mail</span> адресом не зарегистрирован в системе!');
        
        Account::createRecoveryRequest($_POST['email']);
    }

    public function action_changePassword() {
        $res['success'] = false;

        $config = Kohana::$config->load('security.securityPolicy');

        $this->post->rule('token', 'alpha_numeric')
            ->rule('password', 'min_length', [':value', $config['password']['length']])
            ->rule('confirm_password', 'matches', [':validation', 'confirm_password', 'password']);

        if ($this->post->check()) {
            $token = $_POST['token'];
            if (Account::checkToken($token)) {
                Account::changePasswordByToken($token, $_POST['password']);
                $res['success'] = true;
            }
        }

        if (!$res['success']) {
            $res['errors'] = $this->post->errors('signin');
        }

        $this->response->body(json_encode($res));
    }

    public function action_openidlogin()
    {
        $openid = new OpenID;
        $openid->SetIdentity("https://openid.sfedu.ru/server.php/idpage?user=" . $_GET["loginopenid"]);
        $openid->SetTrustRoot('http://' . $_SERVER["HTTP_HOST"]);
        $openid->SetOptionalFields(['email', 'nickname', 'r61globalkey', 'staff', 'student']);
        if ($openid->GetOpenIDServer()) {
            $openid->SetApprovedURL('http://' . $_SERVER["HTTP_HOST"] . '/~dev_rating/handler/sign/openidfinish');
            $openid->Redirect();
        } else {
            $error = $openid->GetError();
            echo "ERROR CODE: " . $error['code'] . "<br>";
            echo "ERROR DESCRIPTION: " . $error['description'] . "<br>";
        }
    }

    public function action_openidfinish()
    {
        if ($_GET["openid_sreg_student"] !== '1') {
            $this->fail('К сожалению, личный кабинет сотрудника пока что находится в разработке. Следите за новостями!');
        }

        if ($_GET['openid_mode'] == 'id_res') {
            $openid = new OpenID;
            $openid->SetIdentity($_GET['openid_identity']);
            $openid_validation_result = $openid->ValidateWithServer();

            if ($openid_validation_result == true) {
                $this->openid_signIn();
            } else if ($openid->IsError() == true) {
                $error = $openid->GetError();
                echo 'Ошибка!';
                echo "[" . $error['code'] . "]: " . $error['description'];
            } else {
                echo 'Ошибка!';
                echo "При авторизации что-то пошло не так. Попробуете снова?";
            }
        } else if ($_GET['openid_mode'] == 'cancel') {
            echo 'Какая досада!';
            echo "Вы досрочно прекратили процесс авторизации. Надеемся, что у Вас всё хорошо.";
        }
    }

    private function openid_signIn()
    {
        $flags = [
            'isStudent' => $_GET["openid_sreg_student"],
            'isStaff' => $_GET["openid_sreg_staff"]
        ];

        echo 'Добро пожаловать!';
//        $this->redirect_url = Route::url('evaluation:student');
//
//        Account::signIn($_GET["openid_sig"], $_GET["openid_sreg_r61globalkey"], $flags);
    }
}