import { createRequire } from 'node:module';
import type { Logger } from '@mcp-abap-adt/logger';
/**
* Create a prefixed logger for handlers.
* Honors AUTH_LOG_LEVEL from @mcp-abap-adt/logger; set to "error"/"warn"/"info"/"debug".
* Use HANDLER_LOG_SILENT=true to force no-op logger for handlers.
*/
export function getHandlerLogger(
category: string,
baseLogger?: Logger,
): Logger {
if (process.env.HANDLER_LOG_SILENT === 'true') {
return noopLogger;
}
const resolvedLogger = baseLogger ?? getDefaultLogger();
const prefix = `[${category}]`;
const wrap = (fn: (msg: string) => void) => (msg: string) =>
fn(`${prefix} ${msg}`);
return {
info: wrap(resolvedLogger?.info.bind(resolvedLogger)),
debug: wrap(resolvedLogger?.debug.bind(resolvedLogger)),
warn: wrap(resolvedLogger?.warn.bind(resolvedLogger)),
error: wrap(resolvedLogger?.error.bind(resolvedLogger)),
};
}
const noopFn = () => {};
export const noopLogger: Logger = {
info: noopFn,
debug: noopFn,
warn: noopFn,
error: noopFn,
};
function getDefaultLogger(): Logger {
const require = createRequire(__filename);
const mod = require('@mcp-abap-adt/logger');
return mod.defaultLogger ?? new mod.DefaultLogger();
}
