<?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 default activity item from a section.
 *
 * @package   core_courseformat
 * @copyright 2020 Ferran Recio <ferran@moodle.com>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace core_courseformat\output\local\content\section;

use cm_info;
use core\output\named_templatable;
use core_courseformat\base as course_format;
use core_courseformat\output\local\courseformat_named_templatable;
use renderable;
use renderer_base;
use section_info;
use stdClass;

/**
 * Base class to render a section activity in the activities list.
 *
 * @package   core_courseformat
 * @copyright 2020 Ferran Recio <ferran@moodle.com>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class cmitem implements named_templatable, renderable {

    use courseformat_named_templatable;

    /** @var course_format the course format class */
    protected $format;

    /** @var section_info the course section class */
    protected $section;

    /** @var cm_info the course module to display */
    protected $mod;

    /** @var array optional display options */
    protected $displayoptions;

    /** @var string the cm output class name */
    protected $cmclass;

    /**
     * Constructor.
     *
     * @param course_format $format the course format
     * @param section_info $section the section info
     * @param cm_info $mod the course module ionfo
     * @param array $displayoptions optional extra display options
     */
    public function __construct(course_format $format, section_info $section, cm_info $mod, array $displayoptions = []) {
        $this->format = $format;
        $this->section = $section;
        $this->mod = $mod;
        $this->displayoptions = $displayoptions;

        // Get the necessary classes.
        $this->cmclass = $format->get_output_classname('content\\cm');
    }

    /**
     * Export this data so it can be used as the context for a mustache template.
     *
     * @param renderer_base $output typically, the renderer that's calling this function
     * @return stdClass data context for a mustache template
     */
    public function export_for_template(\renderer_base $output): stdClass {
        $format = $this->format;
        $course = $format->get_course();
        $mod = $this->mod;

        $data = new stdClass();
        $data->cms = [];

        $completionenabled = $course->enablecompletion == COMPLETION_ENABLED;
        $showactivityconditions = $completionenabled && $course->showcompletionconditions == COMPLETION_SHOW_CONDITIONS;
        $showactivitydates = !empty($course->showactivitydates);

        // This will apply styles to the course homepage when the activity information output component is displayed.
        $hasinfo = $showactivityconditions || $showactivitydates;

        $item = new $this->cmclass($format, $this->section, $mod, $this->displayoptions);
        return (object)[
            'id' => $mod->id,
            'anchor' => "module-{$mod->id}",
            'module' => $mod->modname,
            'extraclasses' => $mod->extraclasses,
            'cmformat' => $item->export_for_template($output),
            'hasinfo' => $hasinfo,
            'indent' => ($format->uses_indentation()) ? $mod->indent : 0,
            'groupmode' => $mod->groupmode,
        ];
    }
}