<?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/>.

defined('MOODLE_INTERNAL') || die;

use \core_grades\output\action_bar;

> use core_message\helper;

> use core_message\api;


/**
 * Renderer class for the grade pages.
 *
 * @package    core_grades
 * @copyright  2021 Mihail Geshoski <mihail@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class core_grades_renderer extends plugin_renderer_base {

    /**
     * Renders the action bar for a given page.
     *
     * @param action_bar $actionbar
     * @return string The HTML output
     */
    public function render_action_bar(action_bar $actionbar): string {
        $data = $actionbar->export_for_template($this);
        return $this->render_from_template($actionbar->get_template(), $data);

>     }
    }
> 
}
>     /**
>      * Renders the group selector trigger element.
>      *
>      * @param object $course The course object.
>      * @param string|null $groupactionbaseurl The base URL for the group action.
>      * @return string|null The raw HTML to render.
>      */
>     public function group_selector(object $course, ?string $groupactionbaseurl = null): ?string {
>         global $USER;
> 
>         // Make sure that group mode is enabled.
>         if (!$groupmode = $course->groupmode) {
>             return null;
>         }
> 
>         $label = $groupmode == VISIBLEGROUPS ? get_string('selectgroupsvisible') :
>             get_string('selectgroupsseparate');
> 
>         $data = [
>             'name' => 'group',
>             'label' => $label,
>             'courseid' => $course->id,
>             'groupactionbaseurl' => $groupactionbaseurl
>         ];
> 
>         $context = context_course::instance($course->id);
> 
>         if ($groupmode == VISIBLEGROUPS || has_capability('moodle/site:accessallgroups', $context)) {
>             $allowedgroups = groups_get_all_groups($course->id, 0, $course->defaultgroupingid);
>         } else {
>             $allowedgroups = groups_get_all_groups($course->id, $USER->id, $course->defaultgroupingid);
>         }
> 
>         $activegroup = groups_get_course_group($course, true, $allowedgroups);
>         $data['group'] = $activegroup;
> 
>         if ($activegroup) {
>             $group = groups_get_group($activegroup);
>             $data['selectedgroup'] = format_string($group->name, true, ['context' => $context]);
>         } else if ($activegroup === 0) {
>             $data['selectedgroup'] = get_string('allparticipants');
>         }
> 
>         $this->page->requires->js_call_amd('core_grades/searchwidget/group', 'init');
>         return $this->render_from_template('core_grades/group_selector', $data);
>     }
> 
>     /**
>      * Build the data to render the initials bar filter within the gradebook.
>      * Using this initials selector means you'll have to retain the use of the templates & JS to handle form submission.
>      * If a simple redirect on each selection is desired the standard user_search() within the user renderer is what you are after.
>      *
>      * @param object $course The course object.
>      * @param context $context Our current context.
>      * @param string $slug The slug for the report that called this function.
>      * @return stdClass The data to output.
>      */
>     public function initials_selector(
>         object $course,
>         context $context,
>         string $slug
>     ): stdClass {
>         global $SESSION, $COURSE;
>         // User search.
>         $url = new moodle_url($slug, ['id' => $course->id]);
>         $firstinitial = $SESSION->gradereport["filterfirstname-{$context->id}"] ?? '';
>         $lastinitial  = $SESSION->gradereport["filtersurname-{$context->id}"] ?? '';
> 
>         $renderer = $this->page->get_renderer('core_user');
>         $initialsbar = $renderer->partial_user_search($url, $firstinitial, $lastinitial, true);
> 
>         $currentfilter = '';
>         if ($firstinitial !== '' && $lastinitial !== '') {
>             $currentfilter = get_string('filterbothactive', 'grades', ['first' => $firstinitial, 'last' => $lastinitial]);
>         } else if ($firstinitial !== '') {
>             $currentfilter = get_string('filterfirstactive', 'grades', ['first' => $firstinitial]);
>         } else if ($lastinitial !== '') {
>             $currentfilter = get_string('filterlastactive', 'grades', ['last' => $lastinitial]);
>         }
> 
>         $this->page->requires->js_call_amd('core_grades/searchwidget/initials', 'init', [$slug]);
> 
>         $formdata = (object) [
>             'courseid' => $COURSE->id,
>             'initialsbars' => $initialsbar,
>         ];
>         $dropdowncontent = $this->render_from_template('core_grades/initials_dropdown_form', $formdata);
> 
>         return (object) [
>              'buttoncontent' => $currentfilter !== '' ? $currentfilter : get_string('filterbyname', 'core_grades'),
>              'buttonheader' => $currentfilter !== '' ? get_string('name') : null,
>              'dropdowncontent' => $dropdowncontent,
>         ];
>     }
> 
>     /**
>      * Creates and renders a custom user heading.
>      *
>      * @param stdClass $user The user object.
>      * @param int $courseid The course ID.
>      * @param bool $showbuttons Whether to display buttons (message, add to contacts) within the heading.
>      * @return string The raw HTML to render.
>      */
>     public function user_heading(stdClass $user, int $courseid, bool $showbuttons = true) : string {
>         global $USER;
> 
>         $headingdata = [
>             'userprofileurl' => (new moodle_url('/user/view.php', ['id' => $user->id, 'course' => $courseid]))->out(false),
>             'name' => fullname($user),
>             'image' => $this->user_picture($user, ['size' => 50, 'link' => false])
>         ];
> 
>         if ($showbuttons) {
>             // Generate the data for the 'message' button.
>             $messagelinkattributes = array_map(function($name, $value) {
>                 return ['name' => $name, 'value' => $value];
>             }, array_keys(helper::messageuser_link_params($user->id)), helper::messageuser_link_params($user->id));
>             $messagelinkattributes[] = ['name' => 'class', 'value' => 'btn px-0'];
> 
>             $headingdata['buttons'][] = [
>                 'title' => get_string('message', 'message'),
>                 'url' => (new moodle_url('/message/index.php', ['id' => $user->id]))->out(false),
>                 'icon' => ['name' => 't/message', 'component' => 'core'],
>                 'linkattributes' => $messagelinkattributes
>             ];
>             // Include js for messaging.
>             helper::messageuser_requirejs();
> 
>             if ($USER->id != $user->id) {
>                 // Generate the data for the 'contact' button.
>                 $iscontact = api::is_contact($USER->id, $user->id);
>                 $contacttitle = $iscontact ? 'removefromyourcontacts' : 'addtoyourcontacts';
>                 $contacturlaction = $iscontact ? 'removecontact' : 'addcontact';
>                 $contacticon = $iscontact ? 't/removecontact' : 't/addcontact';
> 
>                 $togglelinkparams = helper::togglecontact_link_params($user, $iscontact, false);
>                 $togglecontactlinkattributes = array_map(function($name, $value) {
>                     if ($name === 'class') {
>                         $value .= ' btn px-0';
>                     }
>                     return ['name' => $name, 'value' => $value];
>                 }, array_keys($togglelinkparams), $togglelinkparams);
> 
>                 $headingdata['buttons'][] = [
>                     'title' => get_string($contacttitle, 'message'),
>                     'url' => (new moodle_url('/message/index.php', ['user1' => $USER->id, 'user2' => $user->id,
>                         $contacturlaction => $user->id, 'sesskey' => sesskey()]))->out(false),
>                     'icon' => ['name' => $contacticon, 'component' => 'core'],
>                     'linkattributes' => $togglecontactlinkattributes
>                 ];
>                 // Include js for contact toggle.
>                 helper::togglecontact_requirejs();
>             }
>         }
> 
>         return $this->render_from_template('core_grades/user_heading', $headingdata);