<?php

declare(strict_types=1);

namespace NunoMaduro\Collision;

use NunoMaduro\Collision\Exceptions\InvalidStyleException;
use NunoMaduro\Collision\Exceptions\ShouldNotHappen;

/**
 * @internal
 */
final class ConsoleColor
{
    public const FOREGROUND = 38;

    public const BACKGROUND = 48;

    public const COLOR256_REGEXP = '~^(bg_)?color_(\d{1,3})$~';

    public const RESET_STYLE = 0;

    /** @var bool */
    private $isSupported;

    /** @var bool */
    private $forceStyle = false;

    /** @var array */
    private const STYLES = [
        'none' => null,
        'bold' => '1',
        'dark' => '2',
        'italic' => '3',
        'underline' => '4',
        'blink' => '5',
        'reverse' => '7',
        'concealed' => '8',

        'default' => '39',
        'black' => '30',
        'red' => '31',
        'green' => '32',
        'yellow' => '33',
        'blue' => '34',
        'magenta' => '35',
        'cyan' => '36',
        'light_gray' => '37',

        'dark_gray' => '90',
        'light_red' => '91',
        'light_green' => '92',
        'light_yellow' => '93',
        'light_blue' => '94',
        'light_magenta' => '95',
        'light_cyan' => '96',
        'white' => '97',

        'bg_default' => '49',
        'bg_black' => '40',
        'bg_red' => '41',
        'bg_green' => '42',
        'bg_yellow' => '43',
        'bg_blue' => '44',
        'bg_magenta' => '45',
        'bg_cyan' => '46',
        'bg_light_gray' => '47',

        'bg_dark_gray' => '100',
        'bg_light_red' => '101',
        'bg_light_green' => '102',
        'bg_light_yellow' => '103',
        'bg_light_blue' => '104',
        'bg_light_magenta' => '105',
        'bg_light_cyan' => '106',
        'bg_white' => '107',
    ];

    /** @var array */
    private $themes = [];

    public function __construct()
    {
        $this->isSupported = $this->isSupported();
    }

    /**
     * @param  string|array  $style
     * @param  string  $text
     * @return string
     *
     * @throws InvalidStyleException
     * @throws \InvalidArgumentException
     */
    public function apply($style, $text)
    {
        if (! $this->isStyleForced() && ! $this->isSupported()) {
            return $text;
        }

        if (is_string($style)) {
            $style = [$style];
        }
        if (! is_array($style)) {
            throw new \InvalidArgumentException('Style must be string or array.');
        }

        $sequences = [];

        foreach ($style as $s) {
            if (isset($this->themes[$s])) {
                $sequences = array_merge($sequences, $this->themeSequence($s));
            } elseif ($this->isValidStyle($s)) {
                $sequences[] = $this->styleSequence($s);
            } else {
                throw new ShouldNotHappen();
            }
        }

        $sequences = array_filter($sequences, function ($val) {
            return $val !== null;
        });

        if (empty($sequences)) {
            return $text;
        }

        return $this->escSequence(implode(';', $sequences)).$text.$this->escSequence(self::RESET_STYLE);
    }

    /**
     * @param  bool  $forceStyle
     */
    public function setForceStyle($forceStyle)
    {
        $this->forceStyle = $forceStyle;
    }

    /**
     * @return bool
     */
    public function isStyleForced()
    {
        return $this->forceStyle;
    }

    public function setThemes(array $themes)
    {
        $this->themes = [];
        foreach ($themes as $name => $styles) {
            $this->addTheme($name, $styles);
        }
    }

    /**
     * @param  string  $name
     * @param  array|string  $styles
     */
    public function addTheme($name, $styles)
    {
        if (is_string($styles)) {
            $styles = [$styles];
        }
        if (! is_array($styles)) {
            throw new \InvalidArgumentException('Style must be string or array.');
        }

        foreach ($styles as $style) {
            if (! $this->isValidStyle($style)) {
                throw new InvalidStyleException($style);
            }
        }

        $this->themes[$name] = $styles;
    }

    /**
     * @return array
     */
    public function getThemes()
    {
        return $this->themes;
    }

    /**
     * @param  string  $name
     * @return bool
     */
    public function hasTheme($name)
    {
        return isset($this->themes[$name]);
    }

    /**
     * @param  string  $name
     */
    public function removeTheme($name)
    {
        unset($this->themes[$name]);
    }

    /**
     * @return bool
     */
    public function isSupported()
    {
        // The COLLISION_FORCE_COLORS variable is for internal purposes only
        if (getenv('COLLISION_FORCE_COLORS') !== false) {
            return true;
        }

        if (DIRECTORY_SEPARATOR === '\\') {
            return getenv('ANSICON') !== false || getenv('ConEmuANSI') === 'ON';
        }

        return function_exists('posix_isatty') && @posix_isatty(STDOUT);
    }

    /**
     * @return bool
     */
    public function are256ColorsSupported()
    {
        if (DIRECTORY_SEPARATOR === '\\') {
            return function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support(STDOUT);
        }

        return strpos(getenv('TERM'), '256color') !== false;
    }

    /**
     * @return array
     */
    public function getPossibleStyles()
    {
        return array_keys(self::STYLES);
    }

    /**
     * @param  string  $name
     * @return string[]
     */
    private function themeSequence($name)
    {
        $sequences = [];
        foreach ($this->themes[$name] as $style) {
            $sequences[] = $this->styleSequence($style);
        }

        return $sequences;
    }

    /**
     * @param  string  $style
     * @return string
     */
    private function styleSequence($style)
    {
        if (array_key_exists($style, self::STYLES)) {
            return self::STYLES[$style];
        }

        if (! $this->are256ColorsSupported()) {
            return null;
        }

        preg_match(self::COLOR256_REGEXP, $style, $matches);

        $type = $matches[1] === 'bg_' ? self::BACKGROUND : self::FOREGROUND;
        $value = $matches[2];

        return "$type;5;$value";
    }

    /**
     * @param  string  $style
     * @return bool
     */
    private function isValidStyle($style)
    {
        return array_key_exists($style, self::STYLES) || preg_match(self::COLOR256_REGEXP, $style);
    }

    /**
     * @param  string|int  $value
     * @return string
     */
    private function escSequence($value)
    {
        return "\033[{$value}m";
    }
}

• [D] Adapters
• [D] Contracts
• [D] Exceptions
• [D] SolutionsRepositories
• [F] ArgumentFormatter.php
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• [F] ConsoleColor.php
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• [F] Coverage.php
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• [F] Handler.php
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• [F] Highlighter.php
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• [F] Provider.php
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• [F] Writer.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?

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