<?php

namespace PrestoPlayer\Pro\Blocks;

use PrestoPlayer\Plugin;
use PrestoPlayer\Support\Block;
use PrestoPlayer\Models\Setting;
use PrestoPlayer\Models\CurrentUser;
use PrestoPlayer\Pro\Support\Utility;
use PrestoPlayer\Pro\Services\Bunny\URL;
use PrestoPlayer\Pro\Models\Bunny\PullZone;
use PrestoPlayer\Pro\Services\Bunny\BunnyService;

class BunnyCDNBlock extends Block
{
    /**
     * Block name
     *
     * @var string
     */
    protected $name = 'bunny';

    /**
     * Backwards compat
     */
    public function __construct()
    {
        if (version_compare(Plugin::version(), '0.9', '<')) {
            $this->template_name = 'self-hosting';
        }

        add_filter('presto_player/block/default_attributes', [$this, 'addDefaultBunnyAttributes'], 10);
        add_filter('presto_player/component/attributes', [$this, 'addBunnyComponentData'], 10, 2);
    }

    /**
     * Add thumbnail and preview to bunny attributes
     *
     * @param array $data
     * @param array $attributes
     * @return array
     */
    public function addDefaultBunnyAttributes($data)
    {
        $attributes = $data['blockAttributes'];

        if ('bunny' !== $data['provider']) {
            return $data;
        }

        $data['bunny'] = [
            'thumbnail' => !empty($attributes['thumbnail']) ? $attributes['thumbnail'] : '',
            'preview' => !empty($attributes['preview']) ? $attributes['preview'] : ''
        ];

        // maybe sign urls
        if (!empty($attributes['visibility'])) {
            if ('private' === $attributes['visibility']) {
                $data['bunny']['thumbnail'] = BunnyService::signURL($data['bunny']['thumbnail']);
                $data['bunny']['preview'] = BunnyService::signURL($data['bunny']['preview']);
            }
        }

        return $data;
    }

    /**
     * Add bunny data to component
     *
     * @param array $attributes
     * @return array
     */
    public function addBunnyComponentData($data, $attributes)
    {
        if ('bunny' !== $attributes['provider']) {
            return $data;
        }
        return array_merge($data, [
            'bunny',
        ]);
    }

    /**
     * Middleware to check for user access
     * We will load a blank video here
     *
     * @param array $attributes
     * @param string $content
     * @return bool
     */
    public function middleware($attributes, $content)
    {
        // if private and user cannot access video, don't load
        if (!empty($attributes['visibility']) && 'private' === $attributes['visibility']) {
            if (!CurrentUser::canAccessVideo(!empty($attributes['id']) ? $attributes['id'] : 0)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Override attributes
     *
     * @param array $attributes
     * @return array
     */
    public function overrideAttributes($attributes)
    {
        if (!empty($attributes['src'])) {
            if (Utility::isStream($attributes['src'])) {
                wp_enqueue_script('hls.js');
            }
        }

        if (!empty($attributes['visibility']) && $attributes['visibility'] === 'private') {
            $attributes['src'] = !empty($attributes['src']) ? BunnyService::signURL($attributes['src']) : '';
        }

        return $attributes;
    }
}