<?php

namespace App\Jobs;

use App\Mail\CodeGenerationEnd;
use App\Mail\JobFailed;
use App\Models\Codes;
use Exception;
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\Facades\Mail;

class ProcessUniqueCode implements ShouldQueue
{
    use Dispatchable;
    use InteractsWithQueue;
    use Queueable;
    use SerializesModels;

    private $quantity;

    private $length;

    private $settings;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct($quantity, $length, $settings)
    {
        $this->quantity = $quantity;
        $this->length   = $length;
        $this->settings = $settings;
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle()
    {
        set_time_limit(0);
        for ($ib = 1; $ib <= $this->quantity;) {
            try {
                $code                = new Codes();
                $code->code_unique   = $this->getCode($this->length);
                $code->date_creation = now();
                $code->save();
                if ($code) {
                    $ib++;
                }
            } catch (\PDOException $e) {
                if (!strpos($e->getMessage(), 'Duplicate entry')) {
                    Mail::to(config('mail.MAIL_ADMIN'))->send(new JobFailed("ProcessUniqueCode", ['message' => $e->getMessage(), 'trace' => $e->getTraceAsString()]));
                    die();
                }
            }
        }
        // ---- Fin de la génération
        Mail::to(config('mail.MAIL_ADMIN'))->send(new CodeGenerationEnd($this->quantity, $this->settings));
    }

    private function getCode($car)
    {
        $chaine  = "ABCDEFGHJKMNPQRSTUWXYZ123456789"; // Caractères autorisés
        $valprec = "";
        $string  = "";
        srand();
        for ($i = 0; $i < $car;) {
            $val = $chaine[rand() % strlen($chaine)];
            if ($val != $valprec) {
                $string .= $val;
                $valprec = $val;
                $i++;
            }
        }
        return $string;
    }

    public function failed(Exception $exception)
    {
        Mail::to(config('mail.MAIL_ADMIN'))->send(new JobFailed("ProcessUniqueCode", ['message' => $exception->getMessage(), 'trace' => $exception->getTraceAsString()]));
    }
}