<?php

declare(strict_types=1);

/**
 * Sample: Print-Ready Color Sheet (NextPDF Pro, PDF/X-4 on PDF 1.6).
 *
 * The licensed PDF/X activation binds the ISO 15930-7 PDF/X-4 target to the
 * document, selects the PDF 1.6 writer profile, and embeds the bundled Coated
 * FOGRA39 CMYK output intent. All page colour operators are CMYK or DeviceGray.
 *
 * @see NextPDF\Conformance\ConformanceTarget::pdfX4()
 * @see NextPDF\Pro\Compliance\PdfX\PdfXActivation::activateCoatedFogra39()
 * @see NextPDF\Core\Concerns\HasColors::setFillColorCmyk()
 */

require __DIR__ . '/../lib/bootstrap-premium.php';

use NextPDF\Conformance\ConformanceTarget;
use NextPDF\Core\Document;
use NextPDF\Pro\Compliance\PdfX\PdfXActivation;
use NextPDF\Samples\Edition;
use NextPDF\Samples\SampleSpec;
use NextPDF\Samples\SampleTemplate;
use NextPDF\Samples\Typography;

$spec = new SampleSpec(
    id: 'print-ready',
    title: 'Print-Ready Color Sheet',
    description: 'A PDF/X-4 output configuration sheet with an embedded Coated FOGRA39 CMYK output intent and a process-color reference bar.',
    capability: 'PDF/X-4 (Coated FOGRA39 CMYK)',
    edition: Edition::Pro,
    standards: ['ISO 15930-7'],
);

$template = new SampleTemplate($spec);
$doc = SampleTemplate::createDocument($spec);
$template->applyLayout($doc);
$template->applyMetadata($doc);
$template->registerFaces($doc, [['Barlow', 'B'], ['Inter', 'B']]);
$doc->setPrintHeader(false);
$doc->setPrintFooter(false);

// The writer reserves the `helvetica` resource key for untagged header/footer
// compatibility. Materialize that key with the vendored Inter program so the
// PDF/X font preflight never sees the unembedded Base14 fallback.
$doc->getFontRegistry()->register(Typography::expectedFontFiles()[0], 'helvetica');
$doc->setFont('helvetica', '', Typography::SIZE_BODY);
$doc->encodeTextForFont('0', 'helvetica');
$doc->setFont(Typography::FAMILY_TEXT, '', Typography::SIZE_BODY);

$doc->enablePdfX(
    target: ConformanceTarget::pdfX4(),
    binding: PdfXActivation::activateCoatedFogra39(),
);
$doc->addPage();
$doc->setTrimBox(0.0, 0.0, $doc->getPageWidth(), $doc->getPageHeight());

/**
 * @param array{0: float, 1: float, 2: float, 3: float} $cmyk
 */
$text = static function (
    Document $document,
    float $x,
    float $y,
    string $value,
    string $family = 'Inter',
    string $style = '',
    float $size = 9.0,
    array $cmyk = [0.0, 0.0, 0.0, 88.0],
): void {
    $document->setFont($family, $style, $size);
    $document->setTextColorCmyk(...$cmyk);
    $document->text($x, $y, $value);
};

$pageWidth = $doc->getPageWidth();

// Full-width 16 mm identity band.
$doc->setFillColorCmyk(100.0, 78.0, 18.0, 46.0);
$doc->rect(0.0, 0.0, $pageWidth, 45.35, 'F');
$text($doc, 43.0, 29.0, 'NEXTPDF / PRINT PRODUCTION', 'Inter', 'B', 9.0, [0.0, 0.0, 0.0, 0.0]);
$text($doc, 430.0, 29.0, 'PDF/X-4', 'Inter', 'B', 9.0, [0.0, 0.0, 0.0, 0.0]);

// Compact CMYK vector mark kept inside the sample template logo zone.
$doc->setFillColorCmyk(100.0, 5.0, 0.0, 0.0);
$doc->rect(45.0, 76.0, 14.0, 14.0, 'F');
$doc->setFillColorCmyk(0.0, 92.0, 8.0, 0.0);
$doc->rect(61.0, 76.0, 14.0, 14.0, 'F');
$doc->setFillColorCmyk(0.0, 12.0, 100.0, 0.0);
$doc->rect(45.0, 92.0, 14.0, 14.0, 'F');
$doc->setFillColorCmyk(70.0, 0.0, 86.0, 5.0);
$doc->rect(61.0, 92.0, 14.0, 14.0, 'F');

$text($doc, 91.0, 88.0, 'Print-Ready Color Sheet', 'Barlow', 'B', 22.0);
$text($doc, 92.0, 105.0, 'Declared print condition / process-color reference', 'Inter', '', 8.5, [0.0, 0.0, 0.0, 55.0]);

// The familiar 2 x 5 sample specification table, rendered without RGB CSS.
$specCells = $spec->specTableCells();
$labels = \array_map(static fn (string $label): string => \strtoupper($label), $specCells['labels']);
$values = $specCells['values'];
$columnX = [43.0, 105.0, 250.0, 390.0, 480.0];
$doc->setFillColorCmyk(0.0, 0.0, 0.0, 4.0);
$doc->rect(43.0, 122.0, 509.0, 45.0, 'F');
$doc->setDrawColorCmyk(0.0, 0.0, 0.0, 18.0);
$doc->line(43.0, 145.0, 552.0, 145.0);
foreach ($labels as $index => $label) {
    $text($doc, $columnX[$index], 138.0, $label, 'Inter', 'B', 6.5, [0.0, 0.0, 0.0, 55.0]);
    $text($doc, $columnX[$index], 159.0, $values[$index], 'Inter', '', 7.2);
}

$text($doc, 43.0, 193.0, 'PDF/X-4 output configuration', 'Barlow', 'B', 13.0);
$intro = [
    'Configured for PDF/X-4 on PDF 1.6; the catalog declares',
    'one GTS_PDFX output intent with the embedded Coated FOGRA39 CMYK printer profile.',
    'The output target selects ISO 15930-7 for color-managed print and proofing workflows.',
];
foreach ($intro as $index => $line) {
    $text($doc, 43.0, 212.0 + ($index * 13.0), $line, 'Inter', '', 9.0);
}

$text($doc, 43.0, 270.0, 'WHY IT MATTERS', 'Inter', 'B', 7.0, [0.0, 0.0, 0.0, 52.0]);
$why = [
    'A declared output intent gives RIPs, proofers, and soft-proofing viewers',
    'one characterized printing condition. Preview and press decisions can use',
    'the same reference instead of guessing a working space per viewer.',
];
foreach ($why as $index => $line) {
    $text($doc, 43.0, 286.0 + ($index * 12.5), $line, 'Inter', '', 8.5, [0.0, 0.0, 0.0, 62.0]);
}

$doc->setFillColorCmyk(0.0, 0.0, 0.0, 4.0);
$doc->rect(377.0, 258.0, 175.0, 63.0, 'F');
$text($doc, 390.0, 273.0, 'DECLARED INTENT', 'Inter', 'B', 7.0, [0.0, 0.0, 0.0, 52.0]);
$text($doc, 390.0, 289.0, 'Space / CMYK', 'Inter', '', 8.0);
$text($doc, 390.0, 302.0, 'Profile / CoatedFOGRA39.icc', 'Inter', '', 8.0);
$text($doc, 390.0, 315.0, 'ICC v2 / GTS_PDFX', 'Inter', '', 8.0);

$text($doc, 43.0, 350.0, 'Print color reference bar', 'Barlow', 'B', 11.0);
$text($doc, 43.0, 366.0, 'Six process-color swatches exercise the CMYK content path used by the declared print condition.', 'Inter', '', 8.0, [0.0, 0.0, 0.0, 58.0]);

$swatches = [
    [[100.0, 0.0, 0.0, 0.0], 'C 100'],
    [[0.0, 100.0, 0.0, 0.0], 'M 100'],
    [[0.0, 0.0, 100.0, 0.0], 'Y 100'],
    [[0.0, 100.0, 100.0, 0.0], 'M100 Y100'],
    [[100.0, 0.0, 100.0, 0.0], 'C100 Y100'],
    [[100.0, 100.0, 0.0, 0.0], 'C100 M100'],
];
$swatchWidth = 84.833;
foreach ($swatches as $index => [$color, $label]) {
    $x = 43.0 + ($index * $swatchWidth);
    $doc->setFillColorCmyk(...$color);
    $doc->rect($x, 380.0, $swatchWidth, 34.0, 'F');
    $text($doc, $x + 5.0, 428.0, $label, 'Inter', '', 6.5, [0.0, 0.0, 0.0, 62.0]);
}

$text($doc, 43.0, 460.0, 'Recommended workflow', 'Barlow', 'B', 11.0);
$workflow = [
    '1  Author and preview content for the declared Coated FOGRA39 printing condition.',
    '2  Soft-proof, or pull a calibrated hard proof, before committing to plates.',
    '3  Confirm /OutputIntents survives merges, flattening, redaction, or other processing.',
];
foreach ($workflow as $index => $line) {
    $text($doc, 43.0, 479.0 + ($index * 18.0), $line, 'Inter', '', 8.5);
}

$text($doc, 43.0, 551.0, 'PDF/X-4 configuration identity', 'Barlow', 'B', 11.0);
$text($doc, 43.0, 567.0, 'The writer validates the emitted object graph before releasing the file.', 'Inter', '', 8.0, [0.0, 0.0, 0.0, 58.0]);

$identity = [
    ['Conformance target', 'PDF/X-4'],
    ['Base serialization', 'PDF 1.6'],
    ['Output condition', 'Coated FOGRA39'],
    ['Output intent subtype', 'GTS_PDFX'],
    ['Destination color space', 'CMYK'],
];
$tableTop = 580.0;
$rowHeight = 24.0;
$doc->setDrawColorCmyk(0.0, 0.0, 0.0, 18.0);
$doc->rect(43.0, $tableTop, 509.0, $rowHeight * \count($identity), 'S');
$doc->line(278.0, $tableTop, 278.0, $tableTop + ($rowHeight * \count($identity)));
foreach ($identity as $index => [$property, $value]) {
    $rowY = $tableTop + ($index * $rowHeight);
    if ($index % 2 === 1) {
        $doc->setFillColorCmyk(0.0, 0.0, 0.0, 4.0);
        $doc->rect(43.0, $rowY, 509.0, $rowHeight, 'F');
    }
    if ($index > 0) {
        $doc->setDrawColorCmyk(0.0, 0.0, 0.0, 18.0);
        $doc->line(43.0, $rowY, 552.0, $rowY);
    }
    $text($doc, 55.0, $rowY + 16.0, $property, 'Inter', '', 8.0, [0.0, 0.0, 0.0, 58.0]);
    $text($doc, 291.0, $rowY + 16.0, $value, 'Inter', $index === 0 ? 'B' : '', 8.0);
}

$text($doc, 43.0, 724.0, 'Configured for PDF/X-4 on PDF 1.6 with a Coated FOGRA39 output intent.', 'Inter', '', 7.5, [0.0, 0.0, 0.0, 58.0]);
$text($doc, 43.0, 737.0, 'Use a calibrated proof to evaluate production color.', 'Inter', '', 7.5, [0.0, 0.0, 0.0, 58.0]);

// Static one-page footer: no RGB template callbacks and no page-count placeholder.
$doc->setDrawColorCmyk(0.0, 0.0, 0.0, 20.0);
$doc->line(43.0, 786.0, 552.0, 786.0);
$text($doc, 43.0, 806.0, 'NextPDF SAMPLE', 'Inter', 'B', 7.0, [0.0, 0.0, 0.0, 58.0]);
$text($doc, 254.0, 806.0, 'getnextpdf.com', 'Inter', '', 7.0, [0.0, 0.0, 0.0, 58.0]);
$text($doc, 523.0, 806.0, '1 / 1', 'Inter', '', 7.0, [0.0, 0.0, 0.0, 58.0]);

$output = \getenv('NEXTPDF_SAMPLE_OUTPUT') ?: __DIR__ . '/../output/print-ready.pdf';
$doc->save($output);

echo "Created: {$output}\n";