// apps/api/src/log.ts
// Structured logger with API-key redaction. Per-request child loggers
// carry req_id; per-job/item children attach job_id / item_id.

import pino from "pino";

export interface LogContext {
  reqId?: string;
  jobId?: string;
  itemId?: string;
}

const REDACT_PATHS = [
  // outgoing fetch headers
  '*.headers.authorization',
  '*.headers.Authorization',
  '*.headers["api-key"]',
  // settings or options snapshot fields
  "*.apiKey",
  "*.api_key",
  "*.judge.apiKey",
  "*.rubricGeneration.apiKey",
  // any nested options snapshot column
  "options_snapshot.apiKey",
  "options_snapshot.judge.apiKey",
  "options_snapshot.rubricGeneration.apiKey",
];

export function createLogger(level: string) {
  return pino({
    level,
    redact: {
      paths: REDACT_PATHS,
      censor: "[REDACTED]",
    },
    // pino-pretty in dev only; runtime uses JSON
    transport:
      process.env.NODE_ENV === "production"
        ? undefined
        : {
            target: "pino-pretty",
            options: { colorize: true, translateTime: "HH:MM:ss.l" },
          },
  });
}

export type Logger = ReturnType<typeof createLogger>;