<?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\Console\Input;

use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\RuntimeException;

/**
 * Input is the base class for all concrete Input classes.
 *
 * Three concrete classes are provided by default:
 *
 *  * `ArgvInput`: The input comes from the CLI arguments (argv)
 *  * `StringInput`: The input is provided as a string
 *  * `ArrayInput`: The input is provided as an array
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class Input implements InputInterface, StreamableInputInterface
{
    protected $definition;
    protected $stream;
    protected $options = [];
    protected $arguments = [];
    protected $interactive = true;

    public function __construct(InputDefinition $definition = null)
    {
        if (null === $definition) {
            $this->definition = new InputDefinition();
        } else {
            $this->bind($definition);
            $this->validate();
        }
    }

    /**
     * {@inheritdoc}
     */
    public function bind(InputDefinition $definition)
    {
        $this->arguments = [];
        $this->options = [];
        $this->definition = $definition;

        $this->parse();
    }

    /**
     * Processes command line arguments.
     */
    abstract protected function parse();

    /**
     * {@inheritdoc}
     */
    public function validate()
    {
        $definition = $this->definition;
        $givenArguments = $this->arguments;

        $missingArguments = array_filter(array_keys($definition->getArguments()), function ($argument) use ($definition, $givenArguments) {
            return !\array_key_exists($argument, $givenArguments) && $definition->getArgument($argument)->isRequired();
        });

        if (\count($missingArguments) > 0) {
            throw new RuntimeException(sprintf('Not enough arguments (missing: "%s").', implode(', ', $missingArguments)));
        }
    }

    /**
     * {@inheritdoc}
     */
    public function isInteractive(): bool
    {
        return $this->interactive;
    }

    /**
     * {@inheritdoc}
     */
    public function setInteractive(bool $interactive)
    {
        $this->interactive = $interactive;
    }

    /**
     * {@inheritdoc}
     */
    public function getArguments(): array
    {
        return array_merge($this->definition->getArgumentDefaults(), $this->arguments);
    }

    /**
     * {@inheritdoc}
     */
    public function getArgument(string $name): mixed
    {
        if (!$this->definition->hasArgument($name)) {
            throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
        }

        return $this->arguments[$name] ?? $this->definition->getArgument($name)->getDefault();
    }

    /**
     * {@inheritdoc}
     */
    public function setArgument(string $name, mixed $value)
    {
        if (!$this->definition->hasArgument($name)) {
            throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
        }

        $this->arguments[$name] = $value;
    }

    /**
     * {@inheritdoc}
     */
    public function hasArgument(string $name): bool
    {
        return $this->definition->hasArgument($name);
    }

    /**
     * {@inheritdoc}
     */
    public function getOptions(): array
    {
        return array_merge($this->definition->getOptionDefaults(), $this->options);
    }

    /**
     * {@inheritdoc}
     */
    public function getOption(string $name): mixed
    {
        if ($this->definition->hasNegation($name)) {
            if (null === $value = $this->getOption($this->definition->negationToName($name))) {
                return $value;
            }

            return !$value;
        }

        if (!$this->definition->hasOption($name)) {
            throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
        }

        return \array_key_exists($name, $this->options) ? $this->options[$name] : $this->definition->getOption($name)->getDefault();
    }

    /**
     * {@inheritdoc}
     */
    public function setOption(string $name, mixed $value)
    {
        if ($this->definition->hasNegation($name)) {
            $this->options[$this->definition->negationToName($name)] = !$value;

            return;
        } elseif (!$this->definition->hasOption($name)) {
            throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
        }

        $this->options[$name] = $value;
    }

    /**
     * {@inheritdoc}
     */
    public function hasOption(string $name): bool
    {
        return $this->definition->hasOption($name) || $this->definition->hasNegation($name);
    }

    /**
     * Escapes a token through escapeshellarg if it contains unsafe chars.
     */
    public function escapeToken(string $token): string
    {
        return preg_match('{^[\w-]+$}', $token) ? $token : escapeshellarg($token);
    }

    /**
     * {@inheritdoc}
     */
    public function setStream($stream)
    {
        $this->stream = $stream;
    }

    /**
     * {@inheritdoc}
     */
    public function getStream()
    {
        return $this->stream;
    }
}

• [F] ArgvInput.php
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• [F] ArrayInput.php
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• [F] Input.php
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• [F] InputArgument.php
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• [F] InputAwareInterface.php
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• [F] InputDefinition.php
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• [F] InputInterface.php
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• [F] InputOption.php
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• [F] StreamableInputInterface.php
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• [F] StringInput.php
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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?

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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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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?

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