<?php

namespace App\SearchDisplace\Documents;

use Illuminate\Support\Facades\Storage;
use DOMDocument;

class DocumentFile
{
    protected $storage;

    public function __construct()
    {
        $this->storage = Storage::disk('local');
    }

    public function getAfterIngest($id)
    {
        $path = $this->getPath($id);

        // Ingest success.
        if ($this->storage->exists("$path/document.html")) {
            return [
                'status' => 'success',
                'content' => $this->getDocumentContent($path, $id),
            ];
        }

        // Ingest fail.
        if ($this->storage->exists("$path/document")) {
            return [
                'status' => 'fail',
            ];
        }

        return [
            'status' => 'processing',
            'message' => 'Document has not been processed yet.',
        ];
    }

    public function destroy($id)
    {
        $path = $this->getPath($id);

        return $this->storage->deleteDirectory($path);
    }

    protected function getPath($id)
    {
        return "contracts/$id";
    }

    protected function getDocumentContent($path, $id)
    {
        $document = $this->storage->path($path) . '/document.html';

        $this->updateImagesPath($document, $id);

        return file_get_contents($document);
    }

    public static function updateImagesPath($document, $id)
    {
        $html = new DOMDocument();
        $html->loadHTMLFile($document, LIBXML_NOERROR);
        $url = url('/') . "/contracts-images/$id/";

        foreach($html->getElementsByTagName('img') as $image) {
            $src = $image->getAttribute('src');

            $image->setAttribute('src', $url . $src);
        }

        $html->saveHTMLFile($document);
    }
}