<?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/>.

/**
 * Setup Tab for Poodll minilesson
 *
 * @package    mod_minilesson
 * @copyright  2020 Justin Hunt (poodllsupport@gmail.com)
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(dirname(dirname(dirname(__FILE__))) . '/config.php');
require_once($CFG->dirroot . '/course/modlib.php');
require_once($CFG->dirroot . '/mod/minilesson/mod_form.php');

use mod_minilesson\constants;
use mod_minilesson\utils;


global $DB;


// Course module ID.
$id = optional_param('id', 0, PARAM_INT); // Course_module ID, or.
$n  = optional_param('n', 0, PARAM_INT);  // Minilesson instance ID.

// Course and course module data.
if ($id) {
    $cm = get_coursemodule_from_id(constants::M_MODNAME, $id, 0, false, MUST_EXIST);
    $course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);
    $moduleinstance = $DB->get_record(constants::M_TABLE, ['id' => $cm->instance], '*', MUST_EXIST);
} elseif ($n) {
    $moduleinstance  = $DB->get_record(constants::M_MODNAME, ['id' => $n], '*', MUST_EXIST);
    $course     = $DB->get_record('course', ['id' => $moduleinstance->course], '*', MUST_EXIST);
    $cm         = get_coursemodule_from_instance(constants::M_TABLE, $moduleinstance->id, $course->id, false, MUST_EXIST);
    $id = $cm->id;
} else {
    print_error('You must specify a course_module ID or an instance ID');
}

$modulecontext = context_module::instance($cm->id);
require_capability('mod/minilesson:manage', $modulecontext);

// Get an admin settings.
$config = get_config(constants::M_COMPONENT);

// Set page login data.
$PAGE->set_url(constants::M_URL . '/setup.php', ['id' => $id]);
require_login($course, true, $cm);

// Set page meta data.
$PAGE->set_title(format_string($moduleinstance->name));
$PAGE->set_heading(format_string($course->fullname));
$PAGE->set_context($modulecontext);

if ($moduleinstance->foriframe == 1 || $moduleinstance->pagelayout == 'embedded') {
    $PAGE->set_pagelayout('embedded');
} elseif ($config->enablesetuptab  || $moduleinstance->pagelayout == 'popup') {
    $PAGE->set_pagelayout('popup');
} else {
    $PAGE->set_pagelayout('incourse');
}



// Render template and display page.
$renderer = $PAGE->get_renderer(constants::M_COMPONENT);

$mform = new \mod_minilesson\setupform(null, ['context' => $modulecontext, 'cmid' => $cm->id]);

$redirecturl = new moodle_url('/mod/minilesson/view.php', ['id' => $cm->id]);
// If the cancel button was pressed, we are out of here.
if ($mform->is_cancelled()) {
    redirect($redirecturl);
    exit;
} elseif ($data = $mform->get_data()) {
    $data->timemodified = time();
    $data->id = $data->n;
    $data->coursemodule = $cm->id;
    $data = minilesson_process_files($data);

    // Now update the db once we have saved files and stuff.
    if ($DB->update_record(constants::M_TABLE, $data)) {
        redirect($redirecturl);
        exit;
    }
}

// If we got here we is loading up dat form.
$moduleinstance = utils::prepare_file_and_json_stuff($moduleinstance, $modulecontext);

$moduleinstance->n = $moduleinstance->id;
$mform->set_data((array)$moduleinstance);

echo $renderer->header($moduleinstance, $cm, "setup");
$mform->display();
echo $renderer->footer();
