import type { RuntimeTarget, TargetKey } from "./types";

const TARGET_MAP: Record<string, Record<string, TargetKey>> = {
  linux: { x64: "linux-x64", arm64: "linux-arm64" },
  darwin: { x64: "darwin-x64", arm64: "darwin-arm64" },
  win32: { x64: "win32-x64", arm64: "win32-arm64" },
};

export function getRuntimeTarget(): RuntimeTarget {
  const platform = process.platform;
  const arch = process.arch;
  const key = TARGET_MAP[platform]?.[arch];

  if (!key) {
    throw new Error(`Unsupported platform/arch: ${platform}/${arch}`);
  }

  return { key, platform, arch };
}