<?php

/**
 * JCH Optimize - Performs several front-end optimizations for fast downloads
 *
 * @package   jchoptimize/core
 * @author    Samuel Marshall <samuel@jch-optimize.net>
 * @copyright Copyright (c) 2022 Samuel Marshall / JCH Optimize
 * @license   GNU/GPLv3, or later. See LICENSE file
 *
 *  If LICENSE file missing, see <http://www.gnu.org/licenses/>.
 */

namespace JchOptimize\Core\Service\Provider;

use _JchOptimizeVendor\V91\Composer\CaBundle\CaBundle;
use _JchOptimizeVendor\V91\GuzzleHttp\Client;
use _JchOptimizeVendor\V91\GuzzleHttp\ClientInterface as GuzzleClientInterface;
use _JchOptimizeVendor\V91\GuzzleHttp\RequestOptions;
use _JchOptimizeVendor\V91\Joomla\DI\Container;
use _JchOptimizeVendor\V91\Joomla\DI\ServiceProviderInterface;
use _JchOptimizeVendor\V91\Joomla\Input\Input;
use _JchOptimizeVendor\V91\Laminas\Cache\Pattern\CallbackCache;
use _JchOptimizeVendor\V91\Laminas\Cache\Storage\StorageInterface;
use _JchOptimizeVendor\V91\Laminas\Cache\Storage\TaggableInterface;
use _JchOptimizeVendor\V91\Laminas\EventManager\LazyListener;
use _JchOptimizeVendor\V91\Laminas\EventManager\SharedEventManager;
use _JchOptimizeVendor\V91\Laminas\EventManager\SharedEventManagerInterface;
use _JchOptimizeVendor\V91\Psr\Http\Client\ClientInterface;
use _JchOptimizeVendor\V91\Psr\Log\LoggerInterface;
use Exception;
use JchOptimize\Core\Admin\HtmlCrawler;
use JchOptimize\Core\Admin\Icons;
use JchOptimize\Core\Admin\MultiSelectItems;
use JchOptimize\Core\Cdn\Cdn;
use JchOptimize\Core\Cloudflare\CloudflareApiClient;
use JchOptimize\Core\Cloudflare\CloudflareManager;
use JchOptimize\Core\Cloudflare\CloudflareVerifyService;
use JchOptimize\Core\Combiner;
use JchOptimize\Core\ConfigureHelper;
use JchOptimize\Core\Css\Callbacks\CorrectUrls;
use JchOptimize\Core\Css\Callbacks\ExtractCriticalCss;
use JchOptimize\Core\Css\Callbacks\FormatCss;
use JchOptimize\Core\Css\Callbacks\HandleAtRules;
use JchOptimize\Core\Css\Callbacks\PostProcessCriticalCss;
use JchOptimize\Core\Css\CssProcessor;
use JchOptimize\Core\Css\Sprite\Controller;
use JchOptimize\Core\Css\Sprite\Generator;
use JchOptimize\Core\Debug\JchProfiler;
use JchOptimize\Core\Debug\JchProfilerInterface;
use JchOptimize\Core\Debug\NullProfiler;
use JchOptimize\Core\FeatureHelpers\DynamicSelectors;
use JchOptimize\Core\FileUtils;
use JchOptimize\Core\Html\CacheManager;
use JchOptimize\Core\Html\CssLayout\CssLayoutPlanner;
use JchOptimize\Core\Html\FileSizeResolver;
use JchOptimize\Core\Html\FileSizeResolverInterface;
use JchOptimize\Core\Html\FilesManager;
use JchOptimize\Core\Html\HtmlManager;
use JchOptimize\Core\Html\HtmlProcessor;
use JchOptimize\Core\Html\JsLayout\JsLayoutPlanner;
use JchOptimize\Core\Html\SmartCombinePlanner;
use JchOptimize\Core\ImageAttributes;
use JchOptimize\Core\Model\CacheMaintainer;
use JchOptimize\Core\Optimize;
use JchOptimize\Core\PageCache\PageCache;
use JchOptimize\Core\Platform\CacheInterface;
use JchOptimize\Core\Platform\ExcludesInterface;
use JchOptimize\Core\Platform\HooksInterface;
use JchOptimize\Core\Platform\PathsInterface;
use JchOptimize\Core\Platform\ProfilerInterface;
use JchOptimize\Core\Platform\UtilityInterface;
use JchOptimize\Core\Preloads\Http2Preload;
use JchOptimize\Core\Preloads\Preconnector;
use JchOptimize\Core\Preloads\PreloadsResourceAggregator;
use JchOptimize\Core\Registry;
use JchOptimize\Core\SystemUri\SystemUriResolver;
use JchOptimize\Core\SystemUri\SystemUriResolverInterface;
use JchOptimize\Core\Uri\OriginClassifier;

use function defined;

use const JCH_PRO;

defined('_JCH_EXEC') or die('Restricted access');

class Core implements ServiceProviderInterface
{
    public function register(Container $container): void
    {
        //Html
        $container->share(CacheManager::class, [$this, 'getCacheManagerService']);
        $container->share(FilesManager::class, [$this, 'getFilesManagerService']);
        $container->share(HtmlManager::class, [$this, 'getHtmlManagerService']);
        $container->share(HtmlProcessor::class, [$this, 'getHtmlProcessorService']);
        //Css
        $container->set(CssProcessor::class, [$this, 'getCssProcessorService']);
        //Core
        $container->share(Cdn::class, [$this, 'getCdnService']);
        $container->share(Combiner::class, [$this, 'getCombinerService']);
        $container->share(FileUtils::class, [$this, 'getFileUtilsService']);
        $container->share(Http2Preload::class, [$this, 'getHttp2PreloadService']);
        $container->share(Optimize::class, [$this, 'getOptimizeService']);
        $container->share(Preconnector::class, [$this, 'getPreconnectorService']);
        $container->share(ImageAttributes::class, [$this, 'getImageAttributesService']);
        $container->share(OriginClassifier::class, [$this, 'getOriginClassifierService']);
        $container->share(PreloadsResourceAggregator::class, [$this, 'getPreloadsResourceAggregatorService']);
        $container->share(SystemUriResolverInterface::class, [$this, 'getSystemUriResolverService']);
        //Admin
        $container->share(HtmlCrawler::class, [$this, 'getHtmlCrawlerService']);
        $container->share(Icons::class, [$this, 'getIconsService']);
        $container->share(MultiSelectItems::class, [$this, 'getMultiSelectItemsService']);
        //Sprite
        $container->set(Generator::class, [$this, 'getSpriteGeneratorService']);
        $container->set(Controller::class, [$this, 'getSpriteControllerService']);
        //Vendor
        $container->alias(GuzzleClientInterface::class, ClientInterface::class);
        $container->share(ClientInterface::class, [$this, 'getClientInterfaceService']);
        //MVC
        $container->alias(Input::class, 'input')
            ->share('input', [$this, 'getInputService']);
        //Development
        $container->share(ConfigureHelper::class, [$this, 'getConfigureHelperService']);
        $container->share(JchProfilerInterface::class, [$this, 'getJchProfilerService']);
        //Utility
        $container->share(CacheMaintainer::class, [$this, 'getCacheMaintainerService']);
        $container->share(CloudflareManager::class, [$this, 'getCloudflareManager']);
        $container->share(CloudflareApiClient::class, [$this, 'getCloudflareApiClientService']);
        $container->share(CloudflareVerifyService::class, [$this, 'getCloudflareVerifyServiceService']);
        $container->share(FileSizeResolver::class, [$this, 'getFileSizeResolverService']);
        $container->alias(FileSizeResolverInterface::class, FileSizeResolver::class);
        $container->share(SmartCombinePlanner::class, fn(): SmartCombinePlanner => new SmartCombinePlanner());
        //Feature Helpers
        $container->share(DynamicSelectors::class, function (Container $container): DynamicSelectors {
            return new DynamicSelectors(
                $container,
                $container->get(Registry::class)
            );
        });
        //Domain
        $container->share(CssLayoutPlanner::class, fn() => new CssLayoutPlanner());
        $container->share(JsLayoutPlanner::class, fn() => new JsLayoutPlanner());

        //Set up events management
        /** @var SharedEventManager $sharedEvents */
        $sharedEvents = $container->get(SharedEventManager::class);

        $sharedEvents->attach(
            HtmlManager::class,
            'preProcessHtml',
            new LazyListener([
                /** @see HtmlManager::addCustomCss() */
                'listener' => HtmlManager::class,
                'method' => 'addCustomCss'
            ], $container)
        );

        $sharedEvents->attach(
            HtmlManager::class,
            'preProcessHtml',
            new LazyListener([
                /** @see ImageAttributes::loadImageAttributesCss() */
                'listener' => ImageAttributes::class,
                'method' => 'loadImageAttributesCss'
            ], $container)
        );

        $sharedEvents->attach(
            HtmlManager::class,
            'postProcessHtml',
            new LazyListener([
                /** @see Http2Preload::sendLinkHeaders() */
                'listener' => Http2Preload::class,
                'method' => 'sendLinkHeaders'
            ], $container),
        );

        $sharedEvents->attach(
            HtmlManager::class,
            'postProcessHtml',
            new LazyListener([
                /** @see ConfigureHelper::loadNumElementsScript() */
                'listener' => ConfigureHelper::class,
                'method' => 'loadNumElementsScript'
            ], $container),
            200
        );

        $sharedEvents->attach(
            HtmlManager::class,
            'postProcessHtml',
            new LazyListener([
                /** @see ConfigureHelper::loadDynamicCssElementsScript() */
                'listener' => ConfigureHelper::class,
                'method' => 'loadDynamicCssElementsScript'
            ], $container)
        );

        $sharedEvents->attach(
            HtmlManager::class,
            'postProcessHtml',
            new LazyListener([
                /** @see PreloadsResourceAggregator::injectHeadResources() */
                'listener' => PreloadsResourceAggregator::class,
                'method' => 'injectHeadResources'
            ], $container)
        );
    }

    /**
     * @psalm-suppress InvalidArgument
     */
    public function getCacheManagerService(Container $container): CacheManager
    {
        $cacheManager = new CacheManager(
            $container->get(Registry::class),
            $container->get(HtmlManager::class),
            $container->get(Combiner::class),
            $container->get(FilesManager::class),
            $container->get(CallbackCache::class),
            $container->get(TaggableInterface::class),
            $container->get(Http2Preload::class),
            $container->get(HtmlProcessor::class),
            $container->get(ImageAttributes::class),
            $container->get(ProfilerInterface::class),
            $container->get(CssLayoutPlanner::class),
            $container->get(JsLayoutPlanner::class)
        );
        $cacheManager->setContainer($container);
        $cacheManager->setLogger($container->get(LoggerInterface::class));

        return $cacheManager;
    }

    public function getFilesManagerService(Container $container): FilesManager
    {
        return (new FilesManager(
            $container->get(Registry::class),
            $container->get(ExcludesInterface::class),
            $container->get(OriginClassifier::class),
            $container->get(FileSizeResolverInterface::class),
            $container->get(SmartCombinePlanner::class)
        ))->setContainer($container);
    }

    public function getHtmlManagerService(Container $container): HtmlManager
    {
        return (new HtmlManager(
            $container->get(Registry::class),
            $container->get(HtmlProcessor::class),
            $container->get(FilesManager::class),
            $container->get(Cdn::class),
            $container->get(Http2Preload::class),
            $container->get(StorageInterface::class),
            $container->get(SharedEventManagerInterface::class),
            $container->get(ProfilerInterface::class),
            $container->get(PathsInterface::class)
        ))->setContainer($container);
    }

    public function getHtmlProcessorService(Container $container): HtmlProcessor
    {
        $htmlProcessor = new HtmlProcessor(
            $container->get(Registry::class),
            $container->get(ProfilerInterface::class)
        );
        $htmlProcessor->setContainer($container)
            ->setLogger($container->get(LoggerInterface::class));

        return $htmlProcessor;
    }

    public function getCssProcessorService(Container $container): CssProcessor
    {
        $cssProcessor = new CssProcessor(
            $container->get(Registry::class),
            $container->get(CorrectUrls::class),
            $container->get(ExtractCriticalCss::class),
            $container->get(FormatCss::class),
            $container->get(HandleAtRules::class),
            $container->get(PostProcessCriticalCss::class),
            $container->get(JchProfilerInterface::class)
        );
        $cssProcessor->setContainer($container)
            ->setLogger($container->get(LoggerInterface::class));

        return $cssProcessor;
    }

    public function getCdnService(Container $container): Cdn
    {
        return new Cdn(
            $container->get(Registry::class),
            $container
        );
    }

    /**
     * @psalm-suppress InvalidArgument
     */
    public function getCombinerService(Container $container): Combiner
    {
        $combiner = new Combiner(
            $container->get(Registry::class),
            $container->get(ClientInterface::class),
            $container->get(JchProfilerInterface::class)
        );
        $combiner->setContainer($container)
            ->setLogger($container->get(LoggerInterface::class));

        return $combiner;
    }

    public function getFileUtilsService(): FileUtils
    {
        return new FileUtils();
    }

    public function getHttp2PreloadService(Container $container): Http2Preload
    {
        return (new Http2Preload(
            $container->get(Registry::class),
            $container->get(Cdn::class),
            $container->get(CacheInterface::class),
            $container->get(HooksInterface::class),
            $container->get(UtilityInterface::class)
        ))->setContainer($container);
    }

    public function getOptimizeService(Container $container): Optimize
    {
        $optimize = new Optimize(
            $container->get(Registry::class),
            $container->get(HtmlProcessor::class),
            $container->get(CacheManager::class),
            $container->get(HtmlManager::class),
            $container->get(Http2Preload::class),
            $container->get(ProfilerInterface::class),
            $container->get(UtilityInterface::class)
        );
        $optimize->setContainer($container)
            ->setLogger($container->get(LoggerInterface::class));

        return $optimize;
    }

    public function getPreconnectorService(Container $container): Preconnector
    {
        $preconnector = new Preconnector(
            $container->get(Registry::class),
            $container->get(HtmlProcessor::class)
        );
        $preconnector->setLogger($container->get(LoggerInterface::class));

        return $preconnector;
    }

    public function getImageAttributesService(Container $container): ImageAttributes
    {
        return new ImageAttributes(
            $container->get(Registry::class),
            $container->get(OriginClassifier::class),
            $container->get(PathsInterface::class)
        );
    }

    public function getIconsService(Container $container): Icons
    {
        return (new Icons(
            $container->get(Registry::class),
            $container->get(CacheInterface::class),
            $container->get(PathsInterface::class),
            $container->get(UtilityInterface::class)
        ))->setContainer($container);
    }

    public function getMultiSelectItemsService(Container $container): MultiSelectItems
    {
        return (new MultiSelectItems(
            $container->get(Registry::class),
            $container->get(CallbackCache::class),
            $container->get(ExcludesInterface::class),
            $container->get(ProfilerInterface::class)
        ))->setContainer($container);
    }

    public function getSpriteGeneratorService(Container $container): Generator
    {
        $spriteGenerator = new Generator(
            $container->get(Registry::class),
            $container->get(PathsInterface::class),
            $container->get(Controller::class)
        );
        $spriteGenerator->setContainer($container)
            ->setLogger($container->get(LoggerInterface::class));

        return $spriteGenerator;
    }

    /**
     * @throws Exception
     */
    public function getSpriteControllerService(Container $container): ?Controller
    {
        try {
            return (new Controller(
                $container->get(Registry::class),
                $container->get(LoggerInterface::class),
                $container->get(PathsInterface::class),
            ))->setContainer($container);
        } catch (Exception) {
            return null;
        }
    }

    public function getSystemUriResolverService(): SystemUriResolverInterface
    {
        return new SystemUriResolver();
    }

    public function getClientInterfaceService(Container $container): GuzzleClientInterface
    {
        return new Client([
            'base_uri' => $container->get(SystemUriResolverInterface::class)->currentUri(),
            RequestOptions::HTTP_ERRORS => false,
            RequestOptions::VERIFY => CaBundle::getBundledCaBundlePath(),
            RequestOptions::TIMEOUT => 5,
            RequestOptions::CONNECT_TIMEOUT => 5,
            RequestOptions::READ_TIMEOUT => 5,
            RequestOptions::HEADERS => [
                'Accept-Encoding' => 'identity',
                'User-Agent' => $_SERVER['HTTP_USER_AGENT'] ?? '*'
            ]
        ]);
    }

    public function getInputService(): Input
    {
        return new Input($_REQUEST);
    }

    public function getConfigureHelperService(Container $container): ConfigureHelper
    {
        return new ConfigureHelper(
            $container->get(Registry::class),
            $container->get(HtmlManager::class),
            $container->get(PathsInterface::class)
        );
    }

    public function getCacheMaintainerService(Container $container): CacheMaintainer
    {
        return new CacheMaintainer(
            $container->get(StorageInterface::class),
            $container->get(TaggableInterface::class),
            $container->get(PageCache::class),
            $container->get(PathsInterface::class),
            $container->get(CacheInterface::class),
            $container->get(CloudflareManager::class)
        );
    }

    public function getCloudflareManager(Container $container): ?CloudflareManager
    {
        if (!JCH_PRO) {
            return null;
        }

        $cloudflare = new CloudflareManager(
            $container->get(Registry::class),
            $container->get(CloudflareApiClient::class)
        );
        $cloudflare->setLogger($container->get(LoggerInterface::class));

        return $cloudflare;
    }

    public function getCloudflareApiClientService(Container $container): ?CloudflareApiClient
    {
        if (!JCH_PRO) {
            return null;
        }

        return new CloudflareApiClient(
            $container->get(ClientInterface::class)
        );
    }

    public function getCloudflareVerifyServiceService(Container $container): CloudflareVerifyService
    {
        return new CloudflareVerifyService(
            $container->get(CloudflareApiClient::class)
        );
    }

    public function getHtmlCrawlerService(Container $container): HtmlCrawler
    {
        $htmlCrawler = new HtmlCrawler(
            $container->get(Registry::class),
            $container,
            $container->get(ClientInterface::class),
            $container->get(PathsInterface::class)
        );
        $htmlCrawler->setLogger($container->get(LoggerInterface::class));

        return $htmlCrawler;
    }

    public function getOriginClassifierService(Container $container): OriginClassifier
    {
        return new OriginClassifier(
            $container->get(Cdn::class),
            $container->get(PathsInterface::class)
        );
    }

    public function getPreloadsResourceAggregatorService(Container $container): PreloadsResourceAggregator
    {
        return new PreloadsResourceAggregator(
            $container->get(Preconnector::class),
            $container->get(Http2Preload::class),
            $container->get(JchProfilerInterface::class)
        );
    }

    public function getFileSizeResolverService(Container $container): FileSizeResolver
    {
        return new FileSizeResolver(
            $container->get(PathsInterface::class),
            $container->get(OriginClassifier::class),
        );
    }

    public function getJchProfilerService(): JchProfilerInterface
    {
        return $this->shouldEnableProfiler()
            ? new JchProfiler()
            : new NullProfiler();
    }

    private function shouldEnableProfiler(): bool
    {
        if (getenv('JCH_PROFILER') !== '1') {
            return false;
        }

        return ($_GET['jch_profiler'] ?? null) === '1';
    }
}