<?php

namespace PrestoPlayer\Blocks;

use PrestoPlayer\Attachment;
use PrestoPlayer\Support\Block;
use PrestoPlayer\Models\CurrentUser;

class SelfHostedBlock extends Block
{
    /**
     * Block name
     *
     * @var string
     */
    protected $name = 'self-hosted';

    /**
     * Register the block type.
     *
     * @return void
     */
    public function registerBlockType()
    {
        register_block_type(
            PRESTO_PLAYER_PLUGIN_DIR . 'src/admin/blocks/blocks/hosted',
            array(
                'render_callback' => [$this, 'html'],
            )
        );
    }

    /**
     * Bail if user cannot access video
     *
     * @return void
     */
    public function middleware($attributes, $content)
    {
        // if private and user cannot access video, don't load
        if (!empty($attributes['visibility']) && 'private' === $attributes['visibility']) {
            if (!CurrentUser::canAccessVideo($attributes['id'])) {
                return false;
            }
        }

        return parent::middleware($attributes, $content);
    }

    /**
     * Add src to video
     *
     * @param array $attributes
     * @return void
     */
    public function sanitizeAttributes($attributes, $default_config)
    {
        $src = !empty($attributes['src']) ? $attributes['src'] : '';

        if (!empty($this->isHls($src))) {
            wp_enqueue_script('hls.js');
        }

        return [
            'src'   => !empty($attributes['attachment_id']) ? Attachment::getSrc($attributes['attachment_id']) : $src,
        ];
    }

    /**
     * Override attributes
     *
     * @param array $attributes
     * @return array
     */
    public function overrideAttributes($attributes)
    {
        $load = $this->middleware($attributes, '');

        if (!$load) {
            return array();
        }

        return $attributes;
    }
}