<?php

namespace App\Jobs\MediaPipeline;

use App\Media;
use App\Services\Media\MediaHlsService;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldBeUniqueUntilProcessing;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\Middleware\WithoutOverlapping;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;

class MediaDeletePipeline implements ShouldBeUniqueUntilProcessing, ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    protected $media;

    public $timeout = 300;

    public $tries = 3;

    public $maxExceptions = 1;

    public $failOnTimeout = true;

    public $deleteWhenMissingModels = true;

    /**
     * The number of seconds after which the job's unique lock will be released.
     *
     * @var int
     */
    public $uniqueFor = 3600;

    /**
     * Get the unique ID for the job.
     */
    public function uniqueId(): string
    {
        return 'media:purge-job:id-'.$this->media->id;
    }

    /**
     * Get the middleware the job should pass through.
     *
     * @return array<int, object>
     */
    public function middleware(): array
    {
        return [(new WithoutOverlapping("media:purge-job:id-{$this->media->id}"))->shared()->dontRelease()];
    }

    public function __construct(Media $media)
    {
        $this->media = $media;
    }

    public function handle()
    {
        $media = $this->media;

        // Verify media exists
        if (! $media) {
            Log::info('MediaDeletePipeline: Media no longer exists, skipping job');
            return 1;
        }
    
        // Verify media is still orphaned before deleting
        if ($media->status_id !== null) {
            Log::info("MediaDeletePipeline: Media {$media->id} is attached to status {$media->status_id}, skipping deletion");
            return 1;
        }

        $path = $media->media_path;
        $thumb = $media->thumbnail_path;

        if (! $path) {
            Log::info("MediaDeletePipeline: Media {$media->id} has no path, skipping deletion");
            return 1;
        }

        $e = explode('/', $path);
        array_pop($e);
        $i = implode('/', $e);

        try {
            if ((bool) config_cache('pixelfed.cloud_storage') == true) {
                $disk = Storage::disk(config('filesystems.cloud'));

                if ($path && $disk->exists($path)) {
                    $disk->delete($path);
                }

                if ($thumb && $disk->exists($thumb)) {
                    $disk->delete($thumb);
                }
            }

            $disk = Storage::disk(config('filesystems.local'));

            if ($path && $disk->exists($path)) {
                $disk->delete($path);
            }

            if ($thumb && $disk->exists($thumb)) {
                $disk->delete($thumb);
            }

            if ($media->hls_path != null) {
                $files = MediaHlsService::allFiles($media);
                if ($files && count($files)) {
                    foreach ($files as $file) {
                        $disk->delete($file);
                    }
                }
            }

            $media->delete();
        } catch (\Exception $e) {
            Log::warning("MediaDeletePipeline: Failed to delete media {$media->id}: ".$e->getMessage());
            throw $e;
        }

        return 1;
    }
}
