<?php

namespace App\Services;

use Illuminate\Support\Facades\View;
use Mpdf\Config\ConfigVariables;
use Mpdf\Config\FontVariables;
use Mpdf\Mpdf;
use Mpdf\Output\Destination;

class Pdf
{
    public string $html;
    public Mpdf $pdf;
    public string $paperType;
    public string $orientation = "portrait";
    public static function loadView(string $view, $data = []): self
    {
        return (new Pdf)->setHtml(View::make($view,$data));
    }
    public function setPaper($paperType='A4', $orientation='P'): self
    {
        $this->paperType = $paperType;
        if (!in_array($orientation,['L','P','landscape','portrait'])){
            $orientation='P';
        }
        $this->orientation = $orientation;
        return $this;
    }

    /**
     * @param string $view
     * @return $this
     */
    public function setHtml(string $view): self
    {
        $this->html = $view;
        $this->config();
        return $this;
    }

    protected function config(): Mpdf
    {
        $defaultConfig = (new ConfigVariables())->getDefaults();
        $fontDirs = $defaultConfig['fontDir'];

        $defaultFontConfig = (new FontVariables())->getDefaults();
        $fontData = $defaultFontConfig['fontdata'];

        $this->pdf = new Mpdf([
            'mode' => 'utf-8',
            'format' => 'A4',
            'orientation' => $this->orientation,
            'fontDir' => array_merge($fontDirs, [
                public_path('fonts'),
            ]),
            'fontdata' => $fontData + [
                    'khmeros' => [
                        'R' => 'KhmerOS.ttf',
                        'useOTL' => 0xFF,
                        'useKashida' => 77,
                    ]
                ],
            'default_font' => 'khmeros'
        ]);
        return $this->pdf;
    }

    public function download(string $filename): ?string
    {
        $this->pdf->AddPage($this->orientation,'','','','',7,7,7,7,7,7);
        $this->pdf->WriteHTML($this->html);
        return $this->pdf->Output($filename, Destination::DOWNLOAD);
    }
}