<?php

namespace App\Jobs;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldBeUnique;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use App\Models\File;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\Log; 

class UploadToS3 implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    protected File $file;
    /**
     * Create a new job instance.
     */
    public function __construct(File $file)
    {
        $this->file = $file;
    }

    /**
     * Execute the job.
     */
    public function handle(): void
    {
        // get file from constructor
        $file = $this->file;
        
        // if the file has not been uploaded to S3
        if (!$file->s3) {
            $localPath = Storage::disk('local')->path($file->stored_at);
            Log::debug("File at " . $localPath . " being uploaded to S3");

            // upload file to S3
            try {
                // upload to S3 with the "stored_at" path. get file from 'local' disk at the "stored_at" path.
                $stored = Storage::put($file->stored_at, Storage::disk('local')->get($file->stored_at));
                // if storing is successful, change DB and output log message
                if ($stored) {
                    Log::debug("File uploaded to S3");
                    $file->s3 = 1;
                    $file->saveQuietly();
                } 
                // else file storing on S3 was not successful. 
                else {
                    Log::error("File upload to S3 was unsuccessful");
                }
            }
            catch (\Exception $exception) {
                Log::error($exception->getMessage());
            }
        }
        // else do nothing
    }   
}