<?php

namespace App\Console\Commands;

use App\Models\IncoDatas;
use Carbon\Carbon;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Storage;
use SimpleXMLElement;

class XmlIncoReader extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'inco:readxml';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Command description';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->info('Démarrage du traitement');
        $files = Storage::disk('inco')->files();

        // Suppression des fichiers dans archives qui ont plus de 2j
        $archives = Storage::disk('inco')->files('archives');
        foreach ($archives as $archive) {
            if($archive == ".gitignore" || $archive == ".gitkeep") continue;
            if(Storage::disk('inco')->lastModified($archive) < strtotime(Carbon::now()->subDays(2)))
                Storage::disk('inco')->delete($archive);
        }

        $bar = $this->output->createProgressBar(count($files)-1);
        $bar->start();
        foreach ($files as $filename) {
            if($filename == ".gitignore" || $filename == ".gitkeep") continue;
            // ---- Récupération du contenu
            $files = Storage::disk('inco')->get($filename);
            $fileContent = simplexml_load_string($files, null, LIBXML_NOCDATA);

            // Transforme le fichier en tableau de données
            $inco = $this->extract($fileContent->INCO);

            // Récupérer et enregistré l'image
            $imageEncoded = $fileContent->INCO->MEDIA_VISUEL_EAI->MEDIA_VISUEL_EAI !== null ? (string) $fileContent->INCO->MEDIA_VISUEL_EAI->MEDIA_VISUEL_EAI : null;

            if ($imageEncoded !== null) {
                $imgName = strval($fileContent->INCO->INCO_COMPO->TBL_INCO_COMPO->ID_INCO);
                $fileFullPath = (storage_path('inco/images/') . $imgName);

                file_put_contents($fileFullPath, base64_decode($imageEncoded));

                $info = getimagesize($fileFullPath);
                $mime = $info['mime'];
                switch ($mime) {
                    case 'image/jpeg':
                        $imgExtension = 'jpg';
                        break;

                    case 'image/png':
                        $imgExtension = 'png';
                        break;

                    case 'image/gif':
                        $imgExtension = 'gif';
                        break;

                    default:
                        throw new \Exception('Unknown image type.');
                }

                rename($fileFullPath, $fileFullPath . '.' . $imgExtension);
            }

            // Mise en BDD des données du fichier xml
            $fields = [];
            $fields = $this->processFields($inco, $fields);
            // Ajout du chemin de l'image dans les champs a envoyé en base
            if ($imageEncoded !== null)
                $fields['picture'] = 'inco/images/' . $imgName . '.' . $imgExtension;
            $checkFields = ['id_inco' => $fields["id_inco"], 'no_art' => $fields['no_art']];

            IncoDatas::updateOrCreate($checkFields, $fields);

            Storage::disk('inco')->move($filename, 'archives/' . $filename);
            $bar->advance();
        }
        $bar->finish();
        $this->line("");
        $this->info('Fin du traitement');
    }

    private function extract($sxe = null) {
        if (!$sxe instanceOf SimpleXMLElement)
            return array();

        $extract = array();

        foreach ($sxe->children() as $key => $value) {
            if (array_key_exists($key, $extract)) {
                if (!isset($extract[$key][0])) {
                    $tmp_extract = $extract[$key];
                    $extract[$key] = array();
                    $extract[$key][0] = $tmp_extract;
                } else {
                    $extract[$key] = (array) $extract[$key];
                }
            }

            if ($value->count()) {
                if (isset($extract[$key]) && is_array($extract[$key]))
                    $extract[$key][] = $this->extract($value);
                else
                    $extract[$key] = $this->extract($value);
            } else {
                if (isset($extract[$key]) && is_array($extract[$key]))
                    $extract[$key][] = empty(strval($value)) ? null : strval($value);
                else
                    $extract[$key] = empty(strval($value)) ? null : strval($value);
            }
        }

        return $extract;
    }

    private function processFields($fields, $body) {
        foreach ($fields as $key => $field) {
            if (is_array($field)) {
                $body = $this->processFields($field, $body);
            } else {
                $body[strtolower($key)] = $field;
            }
        }
        return $body;
    }
}