<?php

if (!defined('ABSPATH')) {
    exit;
}

/**
 * Handles affiliate slug capture on the frontend (via JS).
 */
class Affilibee_Cookie_Handler
{
    /**
     * Boot hooks.
     */
    public static function init(): void
    {
        add_action('wp_enqueue_scripts', [__CLASS__, 'enqueue_frontend_script']);
    }

    public static function enqueue_frontend_script(): void
    {
        if (is_admin()) {
            return;
        }

        $handle = 'affilibee-cookie';

        $src = plugins_url('assets/js/affilibee-cookie.js', AFFILIBEE_MAIN_FILE);
        $version = defined('AFFILIBEE_VERSION') ? AFFILIBEE_VERSION : '1.0.0';

        wp_register_script($handle, $src, [], $version, true);

        $param = apply_filters('affilibee_cookie_param', Affilibee_Config::AFFILIBEE_URL_PARAM);
        $cookie_name = apply_filters('affilibee_cookie_name', Affilibee_Config::COOKIE_NAME);

        // Convert expiry seconds to whole days for JS.
        $ttl_days = (int) round((int) Affilibee_Config::COOKIE_EXPIRY / DAY_IN_SECONDS);
        $ttl_days = max(1, (int) apply_filters('affilibee_cookie_ttl_days', $ttl_days));

        // Prefer explicit COOKIE_DOMAIN if defined, else current site host.
        $cookie_domain = (defined('COOKIE_DOMAIN') && COOKIE_DOMAIN)
            ? COOKIE_DOMAIN
            : (wp_parse_url(home_url(), PHP_URL_HOST) ?: '');
        $secure = is_ssl();

        wp_add_inline_script(
            $handle,
            'window.AFFILIBEE_COOKIE_CONFIG = ' . wp_json_encode([
                'param' => (string) $param,
                'cookieName' => (string) $cookie_name,
                'ttlDays' => (int) $ttl_days,
                'cookieDomain' => (string) $cookie_domain,
                'secure' => (bool) $secure,
            ]) . ';',
            'before'
        );

        wp_enqueue_script($handle);
    }
}