<?php

namespace Torann\GeoIP\Support;

use Illuminate\Support\Arr;

class HttpClient
{
    /**
     * Request configurations.
     *
     * @var array
     **/
    private $config = [
        'base_uri' => '',
        'headers' => [],
        'query' => [],
    ];

    /**
     * Last request http status.
     *
     * @var int
     **/
    protected $http_code = 200;

    /**
     * Last request error string.
     *
     * @var string
     **/
    protected $errors = null;

    /**
     * Array containing headers from last performed request.
     *
     * @var array
     */
    private $headers = [];

    /**
     * HttpClient constructor.
     *
     * @param array $config
     */
    public function __construct(array $config = [])
    {
        $this->config = $config;
    }

    /**
     * Perform a get request.
     *
     * @param  string $url
     * @param  array  $query
     * @param  array  $headers
     *
     * @return array
     */
    public function get($url, array $query = [], array $headers = [])
    {
        return $this->execute('GET', $this->buildGetUrl($url, $query), [], $headers);
    }

    /**
     * Execute the curl request
     *
     * @param  string $method
     * @param  string $url
     * @param  array  $query
     * @param  array  $headers
     *
     * @return array
     */
    public function execute($method, $url, array $query = [], array $headers = [])
    {
        // Merge global and request headers
        $headers = array_merge(
            Arr::get($this->config, 'headers', []),
            $headers
        );

        // Merge global and request queries
        $query = array_merge(
            Arr::get($this->config, 'query', []),
            $query
        );

        $this->errors = null;

        $curl = curl_init();

        // Set options
        curl_setopt_array($curl, [
            CURLOPT_URL => $this->getUrl($url),
            CURLOPT_HTTPHEADER => $headers,
            CURLOPT_CONNECTTIMEOUT => 20,
            CURLOPT_TIMEOUT => 90,
            CURLOPT_RETURNTRANSFER => 1,
            CURLOPT_SSL_VERIFYPEER => 0,
            CURLOPT_SSL_VERIFYHOST => 0,
            CURLOPT_HEADER => 1,
            CURLINFO_HEADER_OUT => 1,
            CURLOPT_VERBOSE => 1,
        ]);

        // Setup method specific options
        switch ($method) {
            case 'PUT':
            case 'PATCH':
            case 'POST':
                curl_setopt_array($curl, [
                    CURLOPT_CUSTOMREQUEST => $method,
                    CURLOPT_POST => true,
                    CURLOPT_POSTFIELDS => $query,
                ]);
                break;

            case 'DELETE':
                curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
                break;

            default:
                curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'GET');
                break;
        }

        // Make request
        curl_setopt($curl, CURLOPT_HEADER, true);
        $response = curl_exec($curl);

        // Set HTTP response code
        $this->http_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);

        // Set errors if there are any
        if (curl_errno($curl)) {
            $this->errors = curl_error($curl);
        }

        // Parse body
        $header_size = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
        $header = substr($response, 0, $header_size);
        $body = substr($response, $header_size);

        curl_close($curl);

        return [$body, $this->parseHeaders($header)];
    }

    /**
     * Check if the curl request ended up with errors
     *
     * @return bool
     */
    public function hasErrors()
    {
        return is_null($this->errors) === false;
    }

    /**
     * Get curl errors
     *
     * @return string
     */
    public function getErrors()
    {
        return $this->errors;
    }

    /**
     * Get last curl HTTP code.
     *
     * @return int
     */
    public function getHttpCode()
    {
        return $this->http_code;
    }

    /**
     * Parse string headers into array
     *
     * @param string $headers
     *
     * @return array
     */
    private function parseHeaders($headers)
    {
        $result = [];

        foreach (preg_split("/\\r\\n|\\r|\\n/", $headers) as $row) {
            $header = explode(':', $row, 2);

            if (count($header) == 2) {
                $result[$header[0]] = trim($header[1]);
            }
            else {
                $result[] = $header[0];
            }
        }

        return $result;
    }

    /**
     * Get request URL.
     *
     * @param  string $url
     *
     * @return string
     */
    private function getUrl($url)
    {
        // Check for URL scheme
        if (parse_url($url, PHP_URL_SCHEME) === null) {
            $url = Arr::get($this->config, 'base_uri') . $url;
        }

        return $url;
    }

    /**
     * Build a GET request string.
     *
     * @param  string $url
     * @param  array  $query
     *
     * @return string
     */
    private function buildGetUrl($url, array $query = [])
    {
        // Merge global and request queries
        $query = array_merge(
            Arr::get($this->config, 'query', []),
            $query
        );

        // Append query
        if ($query = http_build_query($query)) {
            $url .= strpos($url, '?') ? $query : "?{$query}";
        }

        return $url;
    }
}

• [F] Currencies.php
  Delete
• [F] HttpClient.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