<?php

function wpi_create_config_table()
{
    global $wpdb;

    $table = $wpdb->prefix . 'wpi_configs';
    $charset = $wpdb->get_charset_collate();

    $sql = "CREATE TABLE {$table} (
        id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
        config_key VARCHAR(191) NOT NULL UNIQUE,
        config_value LONGTEXT NULL,
        description VARCHAR(255) NULL,
        created_at DATETIME NOT NULL,
        updated_at DATETIME NOT NULL
    ) {$charset};";

    require_once ABSPATH . 'wp-admin/includes/upgrade.php';
    dbDelta($sql);
}