<?php
/**
 * Vinculació (pairing) amb Abency: bescanvia el codi efímer pels dos tokens.
 *
 * @package Abency\Connector
 */

if (! defined('ABSPATH')) {
    exit;
}

class Abency_Pairing {

    /**
     * Executa el pairing contra Abency.
     *
     * @param string $abency_base URL base d'Abency (https://app.abency.com).
     * @param string $code        Codi de pairing generat a Abency.
     * @return true|WP_Error
     */
    public static function pair($abency_base, $code) {
        $abency_base = untrailingslashit(esc_url_raw($abency_base));
        $code        = trim($code);

        if (empty($abency_base) || empty($code)) {
            return new WP_Error('abency_input', __('The Abency URL or the pairing code is missing.', 'abency-connector'));
        }

        $response = wp_remote_post($abency_base . '/api/v1/plugin/pair', array(
            'timeout' => 20,
            'headers' => array(
                'Accept'       => 'application/json',
                'Content-Type' => 'application/json',
            ),
            'body'    => wp_json_encode(array(
                'code'     => $code,
                'site_url' => home_url(),
            )),
        ));

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

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

        if ($status < 200 || $status >= 300) {
            /* translators: %d: HTTP status code returned by Abency. */
            $message = isset($body['message']) ? $body['message'] : sprintf(__('Pairing failed (%d).', 'abency-connector'), $status);
            return new WP_Error('abency_pair_failed', $message);
        }

        $data = isset($body['data']) ? $body['data'] : array();
        $data['abency_base'] = $abency_base;

        Abency_Settings::store_pairing($data);

        return true;
    }
}