import type { Envelope } from "@/interfaces";
import { nowMs } from "@/utils/dates";

export const ExitCodes = {
  OK: 0,
  USAGE: 2,
  NETWORK: 3,
  PARTIAL: 4
} as const;

export type ExitCode = (typeof ExitCodes)[keyof typeof ExitCodes];

export const wrap = <T>(command: string, data: T, warnings: string[] = []): Envelope<T> => ({
  ok: true,
  command,
  generatedAt: nowMs(),
  data,
  warnings
});

export const wrapError = <T>(command: string, data: T, warnings: string[] = []): Envelope<T> => ({
  ok: false,
  command,
  generatedAt: nowMs(),
  data,
  warnings
});

export function exitWith(code: ExitCode, message?: string): never {
  if (message) process.stderr.write(`${message}\n`);
  process.exit(code);
}