<?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/>.

namespace tiny_recordrtc;

use context;
use editor_tiny\editor;
use editor_tiny\plugin;
use editor_tiny\plugin_with_buttons;
use editor_tiny\plugin_with_configuration;
use editor_tiny\plugin_with_menuitems;

/**
 * Tiny RecordRTC plugin.
 *
 * @package    tiny_recordrtc
 * @copyright  2022 Stevani Andolo <stevani@hotmail.com.au>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class plugininfo extends plugin implements plugin_with_buttons, plugin_with_menuitems, plugin_with_configuration {
    /**
     * Whether the plugin is enabled
     *
     * @param context $context The context that the editor is used within
     * @param array $options The options passed in when requesting the editor
     * @param array $fpoptions The filepicker options passed in when requesting the editor
     * @param editor $editor The editor instance in which the plugin is initialised
     * @return boolean
     */
    public static function is_enabled(
        context $context,
        array $options,
        array $fpoptions,
        ?editor $editor = null
    ): bool {
        // Disabled if:
        // - Not logged in or guest.
        // - Files are not allowed.
        // - Only URL are supported.
        $canhavefiles = !empty($options['maxfiles']);
        $canhaveexternalfiles = !empty($options['return_types']) && ($options['return_types'] & FILE_EXTERNAL);
        return isloggedin() && !isguestuser() && $canhavefiles && $canhaveexternalfiles;
    }

    public static function get_available_buttons(): array {
        return [
            'tiny_recordrtc/tiny_recordrtc_image',
        ];
    }

    public static function get_available_menuitems(): array {
        return [
            'tiny_recordrtc/tiny_recordrtc_image',
        ];
    }

    public static function get_plugin_configuration_for_context(
        context $context,
        array $options,
        array $fpoptions,
        ?editor $editor = null
    ): array {
        $sesskey = sesskey();
        $allowedtypes = get_config('tiny_recordrtc', 'allowedtypes');
        $audiobitrate = get_config('tiny_recordrtc', 'audiobitrate');
        $videobitrate = get_config('tiny_recordrtc', 'videobitrate');
        $audiotimelimit = get_config('tiny_recordrtc', 'audiotimelimit');
        $videotimelimit = get_config('tiny_recordrtc', 'videotimelimit');

        // Update $allowedtypes to account for capabilities.
        $audioallowed = $allowedtypes === 'audio' || $allowedtypes === 'both';
        $videoallowed = $allowedtypes === 'video' || $allowedtypes === 'both';
        $audioallowed = $audioallowed && has_capability('tiny/recordrtc:recordaudio', $context);
        $videoallowed = $videoallowed && has_capability('tiny/recordrtc:recordvideo', $context);
        if ($audioallowed && $videoallowed) {
            $allowedtypes = 'both';
        } else if ($audioallowed) {
            $allowedtypes = 'audio';
        } else if ($videoallowed) {
            $allowedtypes = 'video';
        } else {
            $allowedtypes = '';
        }

        $maxrecsize = get_max_upload_file_size();
        if (!empty($options['maxbytes'])) {
            $maxrecsize = min($maxrecsize, $options['maxbytes']);
        }
        $params = [
            'contextid' => $context->id,
            'sesskey' => $sesskey,
            'allowedtypes' => $allowedtypes,
            'audiobitrate' => $audiobitrate,
            'videobitrate' => $videobitrate,
            'audiotimelimit' => $audiotimelimit,
            'videotimelimit' => $videotimelimit,
            'maxrecsize' => $maxrecsize
        ];

        $data = [
            'params' => $params,
            'fpoptions' => $fpoptions
        ];

        return [
            'data' => $data,
            'videoAllowed' => $videoallowed,
            'audioAllowed' => $audioallowed,
        ];
    }
}
