<?php

declare(strict_types=1);

namespace App\Services;

use Barryvdh\DomPDF\Facade\Pdf;
use Symfony\Component\HttpFoundation\StreamedResponse;

class PdfService
{

    public static function download(string $view, array $data, string $filename): StreamedResponse
    {
        if (class_exists(\Mpdf\Mpdf::class)) {
            return self::downloadWithMpdf($view, $data, $filename);
        }

        return self::downloadWithDompdf($view, $data, $filename);
    }

    private static function downloadWithMpdf(string $view, array $data, string $filename): StreamedResponse
    {
        $defaultConfig     = (new \Mpdf\Config\ConfigVariables())->getDefaults();
        $defaultFontConfig = (new \Mpdf\Config\FontVariables())->getDefaults();

        $fontsDir = storage_path('fonts');

        $mpdf = new \Mpdf\Mpdf([
            'mode'          => 'utf-8',
            'format'        => 'A4',
            'orientation'   => 'P',
            'margin_top'    => 15,
            'margin_bottom' => 15,
            'margin_left'   => 15,
            'margin_right'  => 15,
            'tempDir'       => sys_get_temp_dir(),
            'fontDir'       => array_merge($defaultConfig['fontDir'], [$fontsDir]),
            'fontdata'      => $defaultFontConfig['fontdata'] + [
                'tahoma' => [
                    'R'          => 'tahoma.ttf',
                    'B'          => 'tahomabd.ttf',
                    'useOTL'     => 0xFF,
                    'useKashida' => 75,
                ],
            ],
            'default_font' => 'tahoma',
        ]);

        $mpdf->autoScriptToLang = true;
        $mpdf->baseScript       = 1;
        $mpdf->autoArabic       = true;
        $mpdf->autoLangToFont   = true;

        $html = view($view, $data)->render();
        $mpdf->WriteHTML($html);
        $output = $mpdf->Output('', 'S');

        return response()->streamDownload(
            fn () => print($output),
            $filename,
            ['Content-Type' => 'application/pdf'],
        );
    }

    private static function downloadWithDompdf(string $view, array $data, string $filename): StreamedResponse
    {
        $pdf = Pdf::loadView($view, $data)->setPaper('a4', 'portrait');

        return response()->streamDownload(
            fn () => print($pdf->output()),
            $filename,
            ['Content-Type' => 'application/pdf'],
        );
    }
}