<?php

declare(strict_types=1);

namespace DocFast;

/**
 * PDF generation options.
 */
class PdfOptions
{
    /** Page size: A4, Letter, Legal, A3, A5, Tabloid. Ignored if width/height set. */
    public ?string $format = null;

    /** Landscape orientation. */
    public ?bool $landscape = null;

    /** Page margins using CSS units (e.g. "20mm"). */
    public ?array $margin = null;

    /** Print background graphics and colors. */
    public ?bool $printBackground = null;

    /** Suggested filename for the PDF download. */
    public ?string $filename = null;

    /** HTML template for page header. Requires displayHeaderFooter: true. */
    public ?string $headerTemplate = null;

    /** HTML template for page footer. */
    public ?string $footerTemplate = null;

    /** Show header and footer templates. */
    public ?bool $displayHeaderFooter = null;

    /** Scale of webpage rendering (0.1 to 2.0). */
    public ?float $scale = null;

    /** Paper ranges to print, e.g. "1-3,5". */
    public ?string $pageRanges = null;

    /** Give CSS @page size priority over format. */
    public ?bool $preferCSSPageSize = null;

    /** Paper width with units (e.g. "8.5in"). Overrides format. */
    public ?string $width = null;

    /** Paper height with units (e.g. "11in"). Overrides format. */
    public ?string $height = null;

    public function toArray(): array
    {
        $data = [];
        foreach ([
            'format', 'landscape', 'margin', 'printBackground', 'filename',
            'headerTemplate', 'footerTemplate', 'displayHeaderFooter',
            'scale', 'pageRanges', 'preferCSSPageSize', 'width', 'height',
        ] as $key) {
            if ($this->$key !== null) {
                $data[$key] = $this->$key;
            }
        }
        return $data;
    }
}