feat: implement wkhtmltopdf backend

src/Backend/WkHtmlToPdf/OptionGroup.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf;
+
+abstract class OptionGroup {
+    /** @return array<string|int|float> */
+    public function compile(): array
+    {
+        $options = [];
+
+        foreach ($this as $property) {
+            if ($property instanceof Option) {
+                $options = array_merge($options, $property->compile());
+            }
+        }
+
+        return $options;
+    }
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options;
+
+use KNPLabs\Snappy\Backend\WkHtmlToPdf\OptionGroup;
+use KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions\CollateOption;
+use KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions\CookieJarOption;
+use KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions\NoCollateOption;
+use KNPLabs\Snappy\Core\Backend\Options\PageOrientation;
+
+final class GlobalOptions extends OptionGroup
+{
+    public function __construct(
+        public readonly ?CollateOption $collate,
+        public readonly ?NoCollateOption $noCollate,
+        public readonly ?CookieJarOption $cookieJar,
+        public readonly ?PageOrientation $pageOrientation,
+    ) {
+    }
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions/CollateOption.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions;
+
+use KNPLabs\Snappy\Backend\WkHtmlToPdf\Option;
+
+final class CollateOption implements Option
+{
+    public function __construct() {}
+
+    public function compile(): array
+    {
+        return ['--collate'];
+    }
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions/CookieJarOption.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions;
+
+final class CookieJarOption
+{
+    public function __construct(public readonly string $path) {}
+
+    public function compile(): array
+    {
+        return ['--no-collate'];
+    }
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions/CopiesOption.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions;
+
+final class CopiesOption
+{
+    public function __construct(private readonly int $number) {}
+
+    public function compile(): array
+    {
+        return ['--copies', $this->number];
+    }
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions/DpiOption.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions;
+
+final class DpiOptions
+{
+    public function __construct(private readonly int $dpi) {}
+
+    public function compile(): array
+    {
+        return ['--dpi', $this->dpi];
+    }
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions/GrayscaleOption.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions;
+
+final class GrayscaleOption
+{
+    public function __construct() {}
+
+    public function compile(): array
+    {
+        return ['--grayscale'];
+    }
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions/ImageDpiOption.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions;
+
+final class ImageDpiOption
+{
+    public function __construct(public readonly int $dpi) {}
+}

src/Backend/WkHtmlToPdf/Options/GlobalOptions/NoCollateOption.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KNPLabs\Snappy\Backend\WkHtmlToPdf\Options\GlobalOptions;
+
+final class NoCollateOption
+{
+    public function __construct() {}
+}

src/Backend/WkHtmlToPdf/WkHtmlToPdfAdapter.php

@@ -4,14 +4,20 @@
 
 namespace KNPLabs\Snappy\Backend\WkHtmlToPdf;
 
-use KNPLabs\Snappy\Core\Backend\Adapter;
 use KNPLabs\Snappy\Core\Backend\Adapter\HtmlFileToPdf;
 use KNPLabs\Snappy\Core\Backend\Adapter\Reconfigurable;
+use KNPLabs\Snappy\Core\Backend\Adapter\UriToPdf;
 use KNPLabs\Snappy\Core\Backend\Options;
+use KNPLabs\Snappy\Core\Backend\Options\PageOrientation;
+use KNPLabs\Snappy\Core\Stream\FileStream;
+use Psr\Http\Message\StreamFactoryInterface;
 use Psr\Http\Message\StreamInterface;
+use Psr\Http\Message\UriFactoryInterface;
+use Psr\Http\Message\UriInterface;
+use Symfony\Component\Process\Process;
 use SplFileInfo;
 
-final class WkHtmlToPdfAdapter implements HtmlFileToPdf
+final class WkHtmlToPdfAdapter implements HtmlFileToPdf, UriToPdf
 {
     /**
      * @use Reconfigurable<self>
@@ -26,14 +32,122 @@ public function __construct(
         private string $binary,
         private int $timeout,
         WkHtmlToPdfFactory $factory,
-        Options $options
+        Options $options,
+        private readonly StreamFactoryInterface $streamFactory,
+        private readonly UriFactoryInterface $uriFactory,
     ) {
         $this->factory = $factory;
         $this->options = $options;
     }
 
     public function generateFromHtmlFile(SplFileInfo $file): StreamInterface
     {
-        throw new \Exception("Not implemented for {$this->binary} with timeout {$this->timeout}.");
+        $filepath = $file->getRealPath();
+
+        if ($filepath === false) {
+            throw new \RuntimeException("File not found: {$file->getPathname()}.");
+        }
+
+        return $this->generateFromUri(
+            $this->uriFactory->createUri($filepath)->withScheme('file')
+        );
+    }
+
+    public function generateFromUri(UriInterface $uri): StreamInterface
+    {
+        $outputStream = FileStream::createTmpFile($this->streamFactory);
+
+        $process = new Process(
+            command: [
+                $this->binary,
+                ...$this->compileOptions(),
+                $uri->toString(),
+                $outputStream->file->getPathname(),
+            ],
+            timeout: $this->timeout,
+        );
+
+        return $outputStream;
+    }
+
+    /**
+     * @return array<string|int|float>
+     */
+    private function compileOptions(): array
+    {
+        return array_merge(
+            $this->compileGlobalOptions(),
+            $this->compileOutlineOptions(),
+            $this->compilePageOptions(),
+            $this->compileHeadersAndFootersOptions(),
+            $this->compileTocOptions(),
+        );
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    private function compileGlobalOptions(): array
+    {
+        if (isset($this->options->extraOptions['global']) && \is_array($this->options->extraOptions['global'])) {
+            return $this->options->extraOptions['global'];
+        }
+
+        if ($this->options->pageOrientation !== null) {
+            $options['orientation'] = match ($this->options->pageOrientation) {
+                PageOrientation::PORTRAIT => 'Portrait',
+                PageOrientation::LANDSCAPE => 'Landscape',
+            };
+        }
+
+        return [];
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    private function compileOutlineOptions(): array
+    {
+        if (isset($this->options->extraOptions['outline']) && \is_array($this->options->extraOptions['outline'])) {
+            return $this->options->extraOptions['outline'];
+        }
+
+        return [];
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    private function compilePageOptions(): array
+    {
+        if (isset($this->options->extraOptions['page']) && \is_array($this->options->extraOptions['page'])) {
+            return $this->options->extraOptions['page'];
+        }
+
+        return [];
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    private function compileHeadersAndFootersOptions(): array
+    {
+        if (isset($this->options->extraOptions['headersAndFooters']) && \is_array($this->options->extraOptions['headersAndFooters'])) {
+            return $this->options->extraOptions['headersAndFooters'];
+        }
+
+        return [];
+    }
+
+    /**
+     * @return array<string, mixed>
+     */
+    private function compileTocOptions(): array
+    {
+        if (isset($this->options->extraOptions['toc']) && \is_array($this->options->extraOptions['toc'])) {
+            return $this->options->extraOptions['toc'];
+        }
+
+        return [];
     }
 }