import { normalizeOptionalString } from "../shared/string-coerce.js";

import { ALLOWED_LOG_LEVELS, type LogLevel, tryParseLogLevel } from "./levels.js";

import { loggingState } from "./state.js";

export function resolveEnvLogLevelOverride(): LogLevel | undefined {

const trimmed = normalizeOptionalString(process.env.OPENCLAW_LOG_LEVEL) ?? "";

if (!trimmed) {

loggingState.invalidEnvLogLevelValue = null;

return undefined;

}

const parsed = tryParseLogLevel(trimmed);

if (parsed) {

loggingState.invalidEnvLogLevelValue = null;

return parsed;

}

if (loggingState.invalidEnvLogLevelValue !== trimmed) {

loggingState.invalidEnvLogLevelValue = trimmed;

process.stderr.write(

`[openclaw] Ignoring invalid OPENCLAW_LOG_LEVEL="${trimmed}" (allowed: ${ALLOWED_LOG_LEVELS.join("|")}).\n`,

);

}

return undefined;

}