<?php

/**
 * @file classes/user/form/LoginChangePasswordForm.php
 *
 * Copyright (c) 2014-2021 Simon Fraser University
 * Copyright (c) 2003-2021 John Willinsky
 * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
 *
 * @class LoginChangePasswordForm
 *
 * @ingroup user_form
 *
 * @brief Form to change a user's password in order to login.
 */

namespace PKP\user\form;

use APP\facades\Repo;
use APP\template\TemplateManager;
use PKP\form\Form;
use PKP\security\Validation;
use PKP\site\Site;

class LoginChangePasswordForm extends Form
{
    /**
     * Constructor.
     *
     * @param Site $site
     */
    public function __construct($site)
    {
        parent::__construct('user/loginChangePassword.tpl');

        // Validation checks for this form
        $form = $this;
        $this->addCheck(new \PKP\form\validation\FormValidatorCustom($this, 'oldPassword', 'required', 'user.profile.form.oldPasswordInvalid', function ($password) use ($form) {
            return Validation::checkCredentials($form->getData('username'), $password);
        }));
        $this->addCheck(new \PKP\form\validation\FormValidatorLength($this, 'password', 'required', 'user.register.form.passwordLengthRestriction', '>=', $site->getMinPasswordLength()));
        $this->addCheck(new \PKP\form\validation\FormValidator($this, 'password', 'required', 'user.profile.form.newPasswordRequired'));
        $this->addCheck(new \PKP\form\validation\FormValidatorCustom($this, 'password', 'required', 'user.register.form.passwordsDoNotMatch', function ($password) use ($form) {
            return $password == $form->getData('password2');
        }));
        $this->addCheck(new \PKP\form\validation\FormValidatorPost($this));
        $this->addCheck(new \PKP\form\validation\FormValidatorCSRF($this));
    }

    /**
     * @copydoc Form::display
     *
     * @param null|mixed $request
     * @param null|mixed $template
     */
    public function display($request = null, $template = null)
    {
        $templateMgr = TemplateManager::getManager($request);
        $site = $request->getSite();
        $templateMgr->assign('minPasswordLength', $site->getMinPasswordLength());
        parent::display($request, $template);
    }

    /**
     * Assign form data to user-submitted data.
     */
    public function readInputData()
    {
        $this->readUserVars(['username', 'oldPassword', 'password', 'password2']);
    }

    /**
     * @copydoc Form::execute()
     *
     * @return bool success
     */
    public function execute(...$functionArgs)
    {
        $user = Repo::user()->getByUsername($this->getData('username'), false);
        parent::execute(...$functionArgs);
        if ($user != null) {
            $user->setPassword(Validation::encryptCredentials($user->getUsername(), $this->getData('password')));
            $user->setMustChangePassword(0);
            Repo::user()->edit($user);
            return true;
        } else {
            return false;
        }
    }
}

if (!PKP_STRICT_MODE) {
    class_alias('\PKP\user\form\LoginChangePasswordForm', '\LoginChangePasswordForm');
}