<?php

namespace App\Jobs;

use App\Models\Server;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Str;

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

    public $timeout = 500;

    /**
     * Create a new job instance.
     */
    public function __construct()
    {
        //
    }

    /**
     * Execute the job.
     */
    public function handle(): void
    {
        try {
            $servers = Server::all();
            foreach ($servers as $server) {
                if (is_dev()) {
                    $docker_root_filesystem = "/";
                } else {
                    $docker_root_filesystem = instant_remote_process(['stat --printf=%m $(docker info --format "{{json .DockerRootDir}}" |sed \'s/"//g\')'], $server);
                }
                $disk_percentage_before = $this->get_disk_usage($server, $docker_root_filesystem);
                if ($disk_percentage_before >= $server->settings->cleanup_after_percentage) {
                    instant_remote_process(['docker image prune -af'], $server);
                    instant_remote_process(['docker container prune -f --filter "label=coolify.managed=true"'], $server);
                    instant_remote_process(['docker builder prune -af'], $server);
                    $disk_percentage_after = $this->get_disk_usage($server, $docker_root_filesystem);
                    if ($disk_percentage_after < $disk_percentage_before) {
                        ray('Saved ' . ($disk_percentage_before - $disk_percentage_after) . '% disk space on ' . $server->name);
                    }
                }
            }
        } catch (\Exception $e) {
            send_internal_notification('DockerCleanupJob failed with: ' . $e->getMessage());
            ray($e->getMessage());
            throw $e;
        }
    }

    private function get_disk_usage(Server $server, string $docker_root_filesystem)
    {
        $disk_usage = json_decode(instant_remote_process(['df -hP | awk \'BEGIN {printf"{\\"disks\\":["}{if($1=="Filesystem")next;if(a)printf",";printf"{\\"mount\\":\\""$6"\\",\\"size\\":\\""$2"\\",\\"used\\":\\""$3"\\",\\"avail\\":\\""$4"\\",\\"use%\\":\\""$5"\\"}";a++;}END{print"]}";}\''], $server), true);
        $mount_point = collect(data_get($disk_usage, 'disks'))->where('mount', $docker_root_filesystem)->first();
        ray($mount_point);
        return Str::of(data_get($mount_point, 'use%'))->trim()->replace('%', '')->value();
    }
}