<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\Profiler;

use Psr\Log\LoggerInterface;
use Symfony\Component\HttpFoundation\Exception\ConflictingHeadersException;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface;
use Symfony\Component\HttpKernel\DataCollector\LateDataCollectorInterface;
use Symfony\Contracts\Service\ResetInterface;

/**
 * Profiler.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Profiler implements ResetInterface
{
    private $storage;

    /**
     * @var DataCollectorInterface[]
     */
    private array $collectors = [];

    private $logger;
    private bool $initiallyEnabled = true;
    private bool $enabled = true;

    public function __construct(ProfilerStorageInterface $storage, LoggerInterface $logger = null, bool $enable = true)
    {
        $this->storage = $storage;
        $this->logger = $logger;
        $this->initiallyEnabled = $this->enabled = $enable;
    }

    /**
     * Disables the profiler.
     */
    public function disable()
    {
        $this->enabled = false;
    }

    /**
     * Enables the profiler.
     */
    public function enable()
    {
        $this->enabled = true;
    }

    /**
     * Loads the Profile for the given Response.
     */
    public function loadProfileFromResponse(Response $response): ?Profile
    {
        if (!$token = $response->headers->get('X-Debug-Token')) {
            return null;
        }

        return $this->loadProfile($token);
    }

    /**
     * Loads the Profile for the given token.
     */
    public function loadProfile(string $token): ?Profile
    {
        return $this->storage->read($token);
    }

    /**
     * Saves a Profile.
     */
    public function saveProfile(Profile $profile): bool
    {
        // late collect
        foreach ($profile->getCollectors() as $collector) {
            if ($collector instanceof LateDataCollectorInterface) {
                $collector->lateCollect();
            }
        }

        if (!($ret = $this->storage->write($profile)) && null !== $this->logger) {
            $this->logger->warning('Unable to store the profiler information.', ['configured_storage' => \get_class($this->storage)]);
        }

        return $ret;
    }

    /**
     * Purges all data from the storage.
     */
    public function purge()
    {
        $this->storage->purge();
    }

    /**
     * Finds profiler tokens for the given criteria.
     *
     * @param string|null $limit The maximum number of tokens to return
     * @param string|null $start The start date to search from
     * @param string|null $end   The end date to search to
     *
     * @see https://php.net/datetime.formats for the supported date/time formats
     */
    public function find(?string $ip, ?string $url, ?string $limit, ?string $method, ?string $start, ?string $end, string $statusCode = null): array
    {
        return $this->storage->find($ip, $url, $limit, $method, $this->getTimestamp($start), $this->getTimestamp($end), $statusCode);
    }

    /**
     * Collects data for the given Response.
     */
    public function collect(Request $request, Response $response, \Throwable $exception = null): ?Profile
    {
        if (false === $this->enabled) {
            return null;
        }

        $profile = new Profile(substr(hash('sha256', uniqid(mt_rand(), true)), 0, 6));
        $profile->setTime(time());
        $profile->setUrl($request->getUri());
        $profile->setMethod($request->getMethod());
        $profile->setStatusCode($response->getStatusCode());
        try {
            $profile->setIp($request->getClientIp());
        } catch (ConflictingHeadersException $e) {
            $profile->setIp('Unknown');
        }

        if ($prevToken = $response->headers->get('X-Debug-Token')) {
            $response->headers->set('X-Previous-Debug-Token', $prevToken);
        }

        $response->headers->set('X-Debug-Token', $profile->getToken());

        foreach ($this->collectors as $collector) {
            $collector->collect($request, $response, $exception);

            // we need to clone for sub-requests
            $profile->addCollector(clone $collector);
        }

        return $profile;
    }

    public function reset()
    {
        foreach ($this->collectors as $collector) {
            $collector->reset();
        }
        $this->enabled = $this->initiallyEnabled;
    }

    /**
     * Gets the Collectors associated with this profiler.
     */
    public function all(): array
    {
        return $this->collectors;
    }

    /**
     * Sets the Collectors associated with this profiler.
     *
     * @param DataCollectorInterface[] $collectors An array of collectors
     */
    public function set(array $collectors = [])
    {
        $this->collectors = [];
        foreach ($collectors as $collector) {
            $this->add($collector);
        }
    }

    /**
     * Adds a Collector.
     */
    public function add(DataCollectorInterface $collector)
    {
        $this->collectors[$collector->getName()] = $collector;
    }

    /**
     * Returns true if a Collector for the given name exists.
     *
     * @param string $name A collector name
     */
    public function has(string $name): bool
    {
        return isset($this->collectors[$name]);
    }

    /**
     * Gets a Collector by name.
     *
     * @param string $name A collector name
     *
     * @throws \InvalidArgumentException if the collector does not exist
     */
    public function get(string $name): DataCollectorInterface
    {
        if (!isset($this->collectors[$name])) {
            throw new \InvalidArgumentException(sprintf('Collector "%s" does not exist.', $name));
        }

        return $this->collectors[$name];
    }

    private function getTimestamp(?string $value): ?int
    {
        if (null === $value || '' === $value) {
            return null;
        }

        try {
            $value = new \DateTime(is_numeric($value) ? '@'.$value : $value);
        } catch (\Exception $e) {
            return null;
        }

        return $value->getTimestamp();
    }
}

• [F] FileProfilerStorage.php
  Delete
• [F] Profile.php
  Delete
• [F] Profiler.php
  Delete
• [F] ProfilerStorageInterface.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
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• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

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Is my payment information secure?

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Can I add multiple cards to my NFC Pay wallet?

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How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

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Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

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