1
export type LogLevel = "debug" | "info" | "warn" | "error";
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const levelValue: Record<LogLevel, number> = {
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  debug: 10,
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  info: 20,
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  warn: 30,
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  error: 40,
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};
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function parseLevel(input?: string | null): LogLevel {
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  const v = (input || "").toLowerCase();
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  if (v === "debug" || v === "info" || v === "warn" || v === "error") return v;
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  return "info";
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}
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export interface LoggerContext {
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  service: string;
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  repoId?: string;
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  doId?: string;
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  requestId?: string;
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}
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export interface Logger {
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  debug: (msg: string, extra?: Record<string, unknown>) => void;
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  info: (msg: string, extra?: Record<string, unknown>) => void;
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  warn: (msg: string, extra?: Record<string, unknown>) => void;
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  error: (msg: string, extra?: Record<string, unknown>) => void;
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}
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function emit(
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  level: LogLevel,
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  ctx: LoggerContext,
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  enabled: LogLevel,
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  msg: string,
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  extra?: Record<string, unknown>
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) {
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  if (levelValue[level] < levelValue[enabled]) return;
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  const entry: Record<string, unknown> = {
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    level,
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    service: ctx.service,
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  };
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  if (ctx.repoId) entry.repoId = ctx.repoId;
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  if (ctx.doId) entry.doId = ctx.doId;
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  if (ctx.requestId) entry.requestId = ctx.requestId;
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  entry.msg = msg;
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  if (extra) {
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    for (const [k, v] of Object.entries(extra)) entry[k] = v;
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  }
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  const line = JSON.stringify(entry);
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  if (level === "debug") console.info(line);
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  else if (level === "info") console.info(line);
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  else if (level === "warn") console.info(line);
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  else console.error(line);
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}
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export function createLogger(level: string | undefined, base: LoggerContext): Logger {
57
  const enabled = parseLevel(level);
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  return {
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    debug: (msg, extra) => emit("debug", base, enabled, msg, extra),
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    info: (msg, extra) => emit("info", base, enabled, msg, extra),
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    warn: (msg, extra) => emit("warn", base, enabled, msg, extra),
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    error: (msg, extra) => emit("error", base, enabled, msg, extra),
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  };
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}