<?php

declare(strict_types=1);

namespace Aikon\RoleManager;

/**
 * Render the template file and pass the arguments
 *
 * @param string $template
 * @param array<string, mixed> $data
 * @return void
 */
function template(string $template, array $data = []): void
{
    $template_file = AIKON_ROLE_MANAGER_TEMPLATE_PATH . DIRECTORY_SEPARATOR . $template . '.php';
    if (!file_exists($template_file)) {
        throw new \Exception('Template ' . esc_html($template) . ' not found.');
    }

    extract($data);
    include $template_file;
}

/**
 * Url parser
 * - Add and remove query parameters
 * @param array<string, mixed> $query Array of query parameters to add
 * @param string[] $remove_query Array of query parameters to remove
 * @return string $url The new url
 */
function url_parser(array $query = [], array $remove_query = []): string
{
    // @phpstan-ignore-next-line
    $url = sanitize_url((empty($_SERVER['HTTPS']) ? 'http' : 'https') . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]");
    $url = add_query_arg($query, $url);
    $url = remove_query_arg($remove_query, $url);

    return $url;
}

/**
 * Load the config file
 * @return array<string, mixed>
 */
function load_config(): array
{
    static $config = false;

    if (!$config) {
        $config_file = AIKON_ROLE_MANAGER_PATH  . 'src' . DIRECTORY_SEPARATOR . 'config.php';

        if (!file_exists($config_file)) {
            throw new \Exception('Config file not found: ' .esc_html($config_file));
        }
        /** @phpstan-ignore-next-line */
        $config = require $config_file;
        $config = apply_filters('aikon_role_manager_config', $config);
    }

    /** @var array<string, mixed> */
    return $config;
}

/**
 * Get a config value
 * @template T
 * @param string $key
 * @param T $fallback
 * @return mixed
 */
function config(string $key, mixed $fallback = null): mixed
{
    // allow dot notation
    $keys = explode('.', $key);
    $config = load_config();

    // find the value in the config array
    foreach ($keys as $k) {
        // @phpstan-ignore-next-line
        if (isset($config[$k])) {
            $config = $config[$k];
        } else {
            return $fallback;
        }
    }
    return $config;
}