import grabMariaDBClient from "../functions/grab-mariadb-client";
/**
 * Resolve a shared MariaDB client. Prefer the global client so schema sync
 * and CRUD do not open a new connection per query.
 */
function resolveClient(config) {
    const resolvedConfig = config || global.CONFIG;
    // Same database as the global client → reuse it
    if (global.MARIADB_CLIENT &&
        (!resolvedConfig?.db_name ||
            !global.CONFIG?.db_name ||
            resolvedConfig.db_name === global.CONFIG.db_name)) {
        return global.MARIADB_CLIENT;
    }
    if (resolvedConfig) {
        return grabMariaDBClient({ config: resolvedConfig });
    }
    return global.MARIADB_CLIENT;
}
/**
 * # Main DB Handler Function
 */
export default async function dbHandler({ query, values, config }) {
    try {
        const CLIENT = resolveClient(config);
        if (!CLIENT) {
            throw new Error(`Couldn't grab MariaDB Client.`);
        }
        const res = await CLIENT.unsafe(query, values);
        const count = res.count;
        const res_array = (() => {
            try {
                return JSON.parse(JSON.stringify(res));
            }
            catch (error) {
                return undefined;
            }
        })();
        const last_insert_id = res_array?.[0] ? res_array[0]?.id : undefined;
        const affected_rows = res_array?.[0] ? res_array.length : undefined;
        const insert_return = {
            count,
            last_insert_id,
            affected_rows,
        };
        return {
            success: true,
            payload: res_array,
            single_res: res_array?.[0],
            insert_return,
            count,
        };
    }
    catch (error) {
        return {
            success: false,
            error: "DB Handler Error => " + error.message,
            msg: "DB Handler Error => " + error.message,
        };
    }
}