import { execFileSync } from "node:child_process";
import { mkdtempSync, rmSync } from "node:fs";
import { join } from "node:path";
import { expect, test } from "vitest";

const report = process.platform === "linux" ? process.report.getReport() as { header: { glibcVersionRuntime?: string } } : undefined;
const version = report?.header.glibcVersionRuntime?.split(".").map(Number);
const supported = version !== undefined && (version[0]! > 2 || (version[0] === 2 && version[1]! >= 34)) &&
  (process.arch === "x64" || process.arch === "arm64");
test.skipIf(!supported)("glibc 2.34 CSPRNG retries interruptions and partial reads and traps on entropy failure", () => {
  const directory = mkdtempSync("/tmp/scriptc-glibc-random-");
  const binary = join(directory, "random");
  try {
    execFileSync("zig", ["cc", "-target", `${process.arch === "x64" ? "x86_64" : "aarch64"}-linux-gnu.2.34`,
      "-std=c11", "-O2", "-D_GNU_SOURCE", "-I", join(import.meta.dirname, "../src"),
      join(import.meta.dirname, "test_glibc_random.c"), "-o", binary], { timeout: 120_000 });
    expect(execFileSync(binary, [], { encoding: "utf8" })).toBe("entropy retries and failures verified\n");
  } finally { rmSync(directory, { recursive: true, force: true }); }
}, 120_000);