const requireEnv = (key: string): string => {
  const value = process.env[key];
  if (!value) {
    throw new Error(`Missing required env var: ${key}`);
  }
  return value;
};

export type WorkerConfig = typeof config;

export const config = {
  get databaseUrl() {
    return requireEnv("DATABASE_URL");
  },
  queueSchema: process.env["QUEUE_SCHEMA"] ?? "queue",
  queueName: process.env["QUEUE_NAME"] ?? "default",
  pollIntervalMs: Number(process.env["POLL_INTERVAL_MS"] ?? "1000"),
  pdfOutputDir: process.env["PDF_OUTPUT_DIR"] ?? "./pdf-output",
  pdfTimeoutMs: Number(process.env["PDF_TIMEOUT_MS"] ?? "30000"),
  heartbeatFilePath:
    process.env["HEARTBEAT_FILE_PATH"] ?? "/tmp/worker-heartbeat",
  heartbeatDbIntervalMs: Number(process.env["HEARTBEAT_DB_INTERVAL_MS"] ?? "0"),
  chromiumArgs: (process.env["CHROMIUM_ARGS"] ?? "--no-sandbox,--disable-dev-shm-usage")
    .split(",")
    .map((s) => s.trim())
    .filter(Boolean),
} as const;