<?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\ErrorHandler\Exception;

use Symfony\Component\HttpFoundation\Exception\RequestExceptionInterface;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;

/**
 * FlattenException wraps a PHP Error or Exception to be able to serialize it.
 *
 * Basically, this class removes all objects from the trace.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FlattenException
{
    private string $message;
    private string|int $code;
    private ?self $previous = null;
    private array $trace;
    private string $traceAsString;
    private string $class;
    private int $statusCode;
    private string $statusText;
    private array $headers;
    private string $file;
    private int $line;
    private ?string $asString = null;

    public static function create(\Exception $exception, int $statusCode = null, array $headers = []): static
    {
        return static::createFromThrowable($exception, $statusCode, $headers);
    }

    public static function createFromThrowable(\Throwable $exception, int $statusCode = null, array $headers = []): static
    {
        $e = new static();
        $e->setMessage($exception->getMessage());
        $e->setCode($exception->getCode());

        if ($exception instanceof HttpExceptionInterface) {
            $statusCode = $exception->getStatusCode();
            $headers = array_merge($headers, $exception->getHeaders());
        } elseif ($exception instanceof RequestExceptionInterface) {
            $statusCode = 400;
        }

        if (null === $statusCode) {
            $statusCode = 500;
        }

        if (class_exists(Response::class) && isset(Response::$statusTexts[$statusCode])) {
            $statusText = Response::$statusTexts[$statusCode];
        } else {
            $statusText = 'Whoops, looks like something went wrong.';
        }

        $e->setStatusText($statusText);
        $e->setStatusCode($statusCode);
        $e->setHeaders($headers);
        $e->setTraceFromThrowable($exception);
        $e->setClass(get_debug_type($exception));
        $e->setFile($exception->getFile());
        $e->setLine($exception->getLine());

        $previous = $exception->getPrevious();

        if ($previous instanceof \Throwable) {
            $e->setPrevious(static::createFromThrowable($previous));
        }

        return $e;
    }

    public function toArray(): array
    {
        $exceptions = [];
        foreach (array_merge([$this], $this->getAllPrevious()) as $exception) {
            $exceptions[] = [
                'message' => $exception->getMessage(),
                'class' => $exception->getClass(),
                'trace' => $exception->getTrace(),
            ];
        }

        return $exceptions;
    }

    public function getStatusCode(): int
    {
        return $this->statusCode;
    }

    /**
     * @return $this
     */
    public function setStatusCode(int $code): static
    {
        $this->statusCode = $code;

        return $this;
    }

    public function getHeaders(): array
    {
        return $this->headers;
    }

    /**
     * @return $this
     */
    public function setHeaders(array $headers): static
    {
        $this->headers = $headers;

        return $this;
    }

    public function getClass(): string
    {
        return $this->class;
    }

    /**
     * @return $this
     */
    public function setClass(string $class): static
    {
        $this->class = str_contains($class, "@anonymous\0") ? (get_parent_class($class) ?: key(class_implements($class)) ?: 'class').'@anonymous' : $class;

        return $this;
    }

    public function getFile(): string
    {
        return $this->file;
    }

    /**
     * @return $this
     */
    public function setFile(string $file): static
    {
        $this->file = $file;

        return $this;
    }

    public function getLine(): int
    {
        return $this->line;
    }

    /**
     * @return $this
     */
    public function setLine(int $line): static
    {
        $this->line = $line;

        return $this;
    }

    public function getStatusText(): string
    {
        return $this->statusText;
    }

    /**
     * @return $this
     */
    public function setStatusText(string $statusText): static
    {
        $this->statusText = $statusText;

        return $this;
    }

    public function getMessage(): string
    {
        return $this->message;
    }

    /**
     * @return $this
     */
    public function setMessage(string $message): static
    {
        if (str_contains($message, "@anonymous\0")) {
            $message = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
                return class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0];
            }, $message);
        }

        $this->message = $message;

        return $this;
    }

    /**
     * @return int|string int most of the time (might be a string with PDOException)
     */
    public function getCode(): int|string
    {
        return $this->code;
    }

    /**
     * @return $this
     */
    public function setCode(int|string $code): static
    {
        $this->code = $code;

        return $this;
    }

    public function getPrevious(): ?self
    {
        return $this->previous;
    }

    /**
     * @return $this
     */
    public function setPrevious(?self $previous): static
    {
        $this->previous = $previous;

        return $this;
    }

    /**
     * @return self[]
     */
    public function getAllPrevious(): array
    {
        $exceptions = [];
        $e = $this;
        while ($e = $e->getPrevious()) {
            $exceptions[] = $e;
        }

        return $exceptions;
    }

    public function getTrace(): array
    {
        return $this->trace;
    }

    /**
     * @return $this
     */
    public function setTraceFromThrowable(\Throwable $throwable): static
    {
        $this->traceAsString = $throwable->getTraceAsString();

        return $this->setTrace($throwable->getTrace(), $throwable->getFile(), $throwable->getLine());
    }

    /**
     * @return $this
     */
    public function setTrace(array $trace, ?string $file, ?int $line): static
    {
        $this->trace = [];
        $this->trace[] = [
            'namespace' => '',
            'short_class' => '',
            'class' => '',
            'type' => '',
            'function' => '',
            'file' => $file,
            'line' => $line,
            'args' => [],
        ];
        foreach ($trace as $entry) {
            $class = '';
            $namespace = '';
            if (isset($entry['class'])) {
                $parts = explode('\\', $entry['class']);
                $class = array_pop($parts);
                $namespace = implode('\\', $parts);
            }

            $this->trace[] = [
                'namespace' => $namespace,
                'short_class' => $class,
                'class' => $entry['class'] ?? '',
                'type' => $entry['type'] ?? '',
                'function' => $entry['function'] ?? null,
                'file' => $entry['file'] ?? null,
                'line' => $entry['line'] ?? null,
                'args' => isset($entry['args']) ? $this->flattenArgs($entry['args']) : [],
            ];
        }

        return $this;
    }

    private function flattenArgs(array $args, int $level = 0, int &$count = 0): array
    {
        $result = [];
        foreach ($args as $key => $value) {
            if (++$count > 1e4) {
                return ['array', '*SKIPPED over 10000 entries*'];
            }
            if ($value instanceof \__PHP_Incomplete_Class) {
                $result[$key] = ['incomplete-object', $this->getClassNameFromIncomplete($value)];
            } elseif (\is_object($value)) {
                $result[$key] = ['object', get_debug_type($value)];
            } elseif (\is_array($value)) {
                if ($level > 10) {
                    $result[$key] = ['array', '*DEEP NESTED ARRAY*'];
                } else {
                    $result[$key] = ['array', $this->flattenArgs($value, $level + 1, $count)];
                }
            } elseif (null === $value) {
                $result[$key] = ['null', null];
            } elseif (\is_bool($value)) {
                $result[$key] = ['boolean', $value];
            } elseif (\is_int($value)) {
                $result[$key] = ['integer', $value];
            } elseif (\is_float($value)) {
                $result[$key] = ['float', $value];
            } elseif (\is_resource($value)) {
                $result[$key] = ['resource', get_resource_type($value)];
            } else {
                $result[$key] = ['string', (string) $value];
            }
        }

        return $result;
    }

    private function getClassNameFromIncomplete(\__PHP_Incomplete_Class $value): string
    {
        $array = new \ArrayObject($value);

        return $array['__PHP_Incomplete_Class_Name'];
    }

    public function getTraceAsString(): string
    {
        return $this->traceAsString;
    }

    /**
     * @return $this
     */
    public function setAsString(?string $asString): static
    {
        $this->asString = $asString;

        return $this;
    }

    public function getAsString(): string
    {
        if (null !== $this->asString) {
            return $this->asString;
        }

        $message = '';
        $next = false;

        foreach (array_reverse(array_merge([$this], $this->getAllPrevious())) as $exception) {
            if ($next) {
                $message .= 'Next ';
            } else {
                $next = true;
            }
            $message .= $exception->getClass();

            if ('' != $exception->getMessage()) {
                $message .= ': '.$exception->getMessage();
            }

            $message .= ' in '.$exception->getFile().':'.$exception->getLine().
                "\nStack trace:\n".$exception->getTraceAsString()."\n\n";
        }

        return rtrim($message);
    }
}

• [F] FlattenException.php
  Delete
• [F] SilencedErrorContext.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.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• 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?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

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

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

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

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard