<?php
// This file is part of the Studyplan plugin for Moodle
//
// 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 <https://www.gnu.org/licenses/>.
/**
 * Main block code
 *
 * @package    block_bibleblock
 * @copyright  2023 P.M. Kuipers
 * @license    https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */


/**
 * MyTreestudyplan block base code
 */
class block_bibleblock extends \block_base {

    /**
     * Plugin initialization (before $this->config and $this->page are loaded)
     */
    public function init() {
    }

    /**
     * Plugin specialization (directly called after $this->config and $this->page are ready)
     */
    public function specialization() {
        global $CFG;
        $this->title = get_string('title', 'block_bibleblock');

        // Load CSS files from treestudyplan.
        try {
            // Include javascript and run studyplan renderer when page loading is complete.
            $this->page->requires->js_call_amd('block_bibleblock/block_bibleblock',
                                         'init',
                                         []);
        } catch (Exception $x) {
            // On some occasions (Plugin management), the plugin is loaded after HEAD has been printed.
            // In those cases we don't want to show the block anyway, so ignore the error that gets inevitably thrown.
            $off = 0; // Empty statement to satisfy code checker.
        }
    }

    /**
     * Publish the pages this block can be shown on
     */
    public function applicable_formats() {
        // Limit this block to the site index and the dashboard (my) pages.
        return [
            'admin' => false,
            'site-index' => true,
            'course-view' => true,
            'mod' => true,
            'my' => true
        ];
    }

    /**
     * Render block content
     */
    public function get_content() {
        global $OUTPUT;

        if ($this->content !== null) {
            return $this->content;
        }

        $data = [];
        $this->content = new \stdClass;
        $this->content->text = $OUTPUT->render_from_template("block_bibleblock/block", $data);

        return $this->content;
    }

    /**
     * Whether to hide the header or not
     */
    public function hide_header() {
        return false;
    }

    /**
     * Whether this block has config or not
     */
    public function has_config() {
        return false;
    }

    /**
     * Return true to avoid broken self-test message
     */
    function _self_test() {
        return true;
      }
}