<?php

namespace lumanPlus\App\Services;

use lumanPlus\Core\Helper;

class RecaptchaService
{
    protected $version;
    protected $siteKey;
    protected $secretKey;

    public function __construct($version = 'v2')
    {
        $this->version   = $version;
        $this->siteKey   = Helper::getOption("recaptcha_" . $version . "_site_key");
        $this->secretKey = Helper::getOption("recaptcha_" . $version . "_secret_key");
    }

    public function render()
    {
        if ($this->version === 'v2') {
            return '<div class="g-recaptcha" data-sitekey="' . esc_attr($this->siteKey) . '"></div>';
        }

        if ($this->version === 'v3') {
            return '<input type="hidden" name="recaptcha_response" id="recaptchaResponse">' . PHP_EOL .
                '<script src="https://www.google.com/recaptcha/api.js?render=' . esc_attr($this->siteKey) . '"></script>' . PHP_EOL .
                '<script>
                        grecaptcha.ready(function() {
                            grecaptcha.execute("' . esc_attr($this->siteKey) . '", {action: "form_submit"}).then(function(token) {
                                document.getElementById("recaptchaResponse").value = token;
                            });
                        });
                    </script>';
        }

        return '';
    }

    public function verify($token)
    {
        $response = wp_remote_post('https://www.google.com/recaptcha/api/siteverify', [
            'body' => [
                'secret' => $this->secretKey,
                'response' => $token,
                'remoteip' => $_SERVER['REMOTE_ADDR'],
            ],
        ]);

        if (is_wp_error($response)) {
            return false;
        }

        $body = json_decode(wp_remote_retrieve_body($response), true);

        if ($this->version === 'v3') {
            return isset($body['success'], $body['score']) && $body['success'] && $body['score'] >= 0.5;
        }

        return isset($body['success']) && $body['success'];
    }

    public function getSiteKey()
    {
        return $this->siteKey;
    }
}