<?php

namespace KupShop\KupShopBundle\Util;

use Blackfire\ClientConfiguration;
use KupShop\KupShopBundle\Context\DomainContext;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Event\ControllerEvent;

class RequestUtil
{
    private const BOT_IDENTIFIERS = [
        'bot',
        'slurp',
        'crawler',
        'spider',
        'curl',
        'facebook',
        'fetch',
    ];

    public function isRobot(Request $request): bool
    {
        $userAgent = strtolower($request->headers->get('User-Agent'));

        foreach (self::BOT_IDENTIFIERS as $identifier) {
            if (strpos($userAgent, $identifier) !== false) {
                return true;
            }
        }

        return false;
    }

    public function modifyQueryParameters(Request $request, callable $queryCallback): bool
    {
        parse_str($request->server->get('QUERY_STRING'), $queryParameters);
        $queryParameters = $queryCallback($queryParameters);
        $request->server->set('QUERY_STRING', http_build_query($queryParameters));

        $request->initialize($request->query->all(), $request->request->all(), $request->attributes->all(), $request->cookies->all(), $request->files->all(), $request->server->all(), $request->getContent());

        return false;
    }

    public function setPathInfo(Request $request, string $newPathInfo)
    {
        $request->server->set('REQUEST_URI', $newPathInfo);
        $request->initialize($request->query->all(), $request->request->all(), $request->attributes->all(), $request->cookies->all(), $request->files->all(), $request->server->all(), $request->getContent());
    }

    /** Return request controller split into parts - controller, action.
     *
     * @return string
     */
    public function getController(Request $request)
    {
        $controller = $request->attributes->get('_controller');

        if (is_array($controller)) {
            return $controller[0];
        }

        return $controller;
    }

    /** Return request controller split into parts - controller, action.
     *
     * @return array
     */
    public function getControllerInfo(Request $request)
    {
        $controller = $this->getController($request);

        if (strpos($controller, '::') !== false) {
            $parts = explode('::', $controller);

            return [
                'action' => $parts[1],
                'controllerFull' => $parts[0],
                'controller' => strtolower(str_replace('Controller', '', basename(str_replace('\\', '/', $parts[0])))),
            ];
        }

        if (strpos($controller, ':') !== false) {
            $parts = explode(':', $controller);

            return [
                'action' => $parts[1],
                'controllerFull' => $parts[0],
                'controller' => basename(str_replace('.', '/', $parts[0])),
            ];
        }

        return [
            'action' => $controller,
            'controllerFull' => $controller,
            'controller' => $controller,
        ];
    }

    public function getControllerFromEvent(ControllerEvent $event)
    {
        $controller = $event->getController();

        $actionName = null;

        if (is_array($controller)) {
            $actionName = $controller[1] ?? 'unknown';
            $controller = $controller[0];
        }

        $className = get_class($controller) ?? 'unknown';
        $actionName = $actionName ?: '__invoke';

        return [$className, $actionName];
    }

    public function addTransactionInfo(Request $request, array $infos): void
    {
        $transaction = [...$request->attributes->get('wpj_transaction', []), ...$infos];
        $request->attributes->set('wpj_transaction', $transaction);

        $transactionString = join('|', $transaction);
        $monitoredStrings = explode("\n", \Settings::getDefault()->blackfire_profiles ?? '');

        if (in_array($transactionString, $monitoredStrings) && class_exists(\Blackfire\Client::class)) {
            try {
                $config = new ClientConfiguration();
                $config->setClientId('2bbb0e6d-c183-424b-a3bf-dca8b1745714');
                $config->setClientToken('40cd833768e57650a52ae556f5dfaf090af99307158248adc926898eb743023c');

                $blackfire = new \Blackfire\Client($config);

                $config = new \Blackfire\Profile\Configuration();

                // set the profile title
                $config->setTitle(getShopName().': '.$transactionString);

                // attach some metadata to the profile
                $config->setMetadata('pull-request', '42');

                // By default, profiles created with the SDK won't appear in the profiles list.
                // Disable "skip_timeline" if you want your profiles to be listed anyway.
                // "false" must be passed as a string. "0" is valid as well.
                $config->setMetadata('skip_timeline', 'false');

                // Save probe as global to keep it alive until end of requests
                $GLOBALS['probe'] = $blackfire->createProbe($config);
            } catch (\Throwable $e) {
                // Ignore Blackfire profiling exception
            }
        }
    }

    public function getTransactionInfo(Request $request): array
    {
        return $request->attributes->get('wpj_transaction', []);
    }

    public function getTransactionInfoString(Request $request): string
    {
        return join('|', $this->getTransactionInfo($request));
    }

    public function isSafeRedirectUrl($url): bool
    {
        if (StringUtil::startsWith($url, '/')) {
            return true;
        }

        $domain = parse_url($url, PHP_URL_HOST);
        if (in_array($domain, Contexts::get(DomainContext::class)->getSupported())) {
            return true;
        }

        return false;
    }
}