import { createHash } from "node:crypto";
import { readFile } from "node:fs/promises";

import { supplyChainDigest } from "./supply-chain.ts";

export async function digestReleaseInputFiles(
  files: readonly string[],
  readBytes: (file: string) => Promise<Buffer> = readFile,
): Promise<string> {
  const rows = await Promise.all(
    [...files].sort().map(async (file) => ({
      path: file,
      sha256: createHash("sha256")
        .update(await readBytes(file))
        .digest("hex"),
    })),
  );
  return supplyChainDigest(rows);
}