<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Contains the class responsible for step definitions related to mod_customcert.
 *
 * @package   mod_customcert
 * @category  test
 * @copyright 2017 Mark Nelson <markn@moodle.com>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

// NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.

require_once(__DIR__ . '/../../../../lib/behat/behat_base.php');

/**
 * The class responsible for step definitions related to mod_customcert.
 *
 * @package mod_customcert
 * @category test
 * @copyright 2017 Mark Nelson <markn@moodle.com>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class behat_mod_customcert extends behat_base {

    /**
     * Adds an element to the specified page of a template.
     *
     * @codingStandardsIgnoreLine
     * @Given /^I add the element "(?P<element_name>(?:[^"]|\\")*)" to page "(?P<page_number>\d+)" of the "(?P<template_name>(?:[^"]|\\")*)" certificate template$/
     * @param string $elementname
     * @param int $pagenum
     * @param string $templatename
     */
    public function i_add_the_element_to_the_certificate_template_page($elementname, $pagenum, $templatename) {
        global $DB;

        $template = $DB->get_record('customcert_templates', array('name' => $templatename), '*', MUST_EXIST);
        $page = $DB->get_record('customcert_pages', array('templateid' => $template->id, 'sequence' => $pagenum),
            '*', MUST_EXIST);

        $this->execute('behat_forms::i_set_the_field_to', array($this->escape('element_' . $page->id),
            $this->escape($elementname)));
        $this->execute('behat_forms::press_button', get_string('addelement', 'customcert'));
    }

    /**
     * Deletes an element from a specified page of a template.
     *
     * @Given /^I delete page "(?P<page_number>\d+)" of the "(?P<template_name>(?:[^"]|\\")*)" certificate template$/
     * @param int $pagenum
     * @param string $templatename
     */
    public function i_delete_the_certificate_page($pagenum, $templatename) {
        global $DB;

        $template = $DB->get_record('customcert_templates', array('name' => $templatename), '*', MUST_EXIST);
        $page = $DB->get_record('customcert_pages', array('templateid' => $template->id, 'sequence' => $pagenum),
            '*', MUST_EXIST);

        $this->execute('behat_general::i_click_on_in_the', array('Delete page', 'link',
            $this->escape('#id_page_' . $page->id), 'css_element'));
        $this->execute('behat_forms::press_button', get_string('continue'));
    }

    /**
     * Verifies the certificate code for a user.
     *
     * @Given /^I verify the "(?P<certificate_name>(?:[^"]|\\")*)" certificate for the user "(?P<user_name>(?:[^"]|\\")*)"$/
     * @param string $certificatename
     * @param string $username
     */
    public function i_verify_the_custom_certificate_for_user($certificatename, $username) {
        global $DB;

        $certificate = $DB->get_record('customcert', array('name' => $certificatename), '*', MUST_EXIST);
        $user = $DB->get_record('user', array('username' => $username), '*', MUST_EXIST);
        $issue = $DB->get_record('customcert_issues', array('userid' => $user->id, 'customcertid' => $certificate->id),
            '*', MUST_EXIST);

        $this->execute('behat_forms::i_set_the_field_to', array(get_string('code', 'customcert'), $issue->code));
        $this->execute('behat_forms::press_button', get_string('verify', 'customcert'));
        $this->execute('behat_general::assert_page_contains_text', get_string('verified', 'customcert'));
        $this->execute('behat_general::assert_page_not_contains_text', get_string('notverified', 'customcert'));
    }

    /**
     * Verifies the certificate code for a user.
     *
     * @Given /^I can not verify the "(?P<certificate_name>(?:[^"]|\\")*)" certificate for the user "(?P<user_name>(?:[^"]|\\")*)"$/
     * @param string $certificatename
     * @param string $username
     */
    public function i_can_not_verify_the_custom_certificate_for_user($certificatename, $username) {
        global $DB;

        $certificate = $DB->get_record('customcert', array('name' => $certificatename), '*', MUST_EXIST);
        $user = $DB->get_record('user', array('username' => $username), '*', MUST_EXIST);
        $issue = $DB->get_record('customcert_issues', array('userid' => $user->id, 'customcertid' => $certificate->id),
            '*', MUST_EXIST);

        $this->execute('behat_forms::i_set_the_field_to', array(get_string('code', 'customcert'), $issue->code));
        $this->execute('behat_forms::press_button', get_string('verify', 'customcert'));
        $this->execute('behat_general::assert_page_contains_text', get_string('notverified', 'customcert'));
        $this->execute('behat_general::assert_page_not_contains_text', get_string('verified', 'customcert'));
    }

    /**
     * Directs the user to the URL for verifying a certificate.
     *
     * This has been created as we allow non-users to verify certificates and they can not navigate to
     * the page like a conventional user.
     *
     * @Given /^I visit the verification url for the "(?P<certificate_name>(?:[^"]|\\")*)" certificate$/
     * @param string $certificatename
     */
    public function i_visit_the_verification_url_for_custom_certificate($certificatename) {
        global $DB;

        $certificate = $DB->get_record('customcert', array('name' => $certificatename), '*', MUST_EXIST);
        $template = $DB->get_record('customcert_templates', array('id' => $certificate->templateid), '*', MUST_EXIST);

        $url = new moodle_url('/mod/customcert/verify_certificate.php', array('contextid' => $template->contextid));
        $this->getSession()->visit($this->locate_path($url->out_as_local_url()));
    }

    /**
     * Directs the user to the URL for verifying all certificates on the site.
     *
     * @Given /^I visit the verification url for the site$/
     */
    public function i_visit_the_verification_url_for_the_site() {
        $url = new moodle_url('/mod/customcert/verify_certificate.php');
        $this->getSession()->visit($this->locate_path($url->out_as_local_url()));
    }
}