import { describe, expect, test } from "bun:test";
import { mkdtempSync, readFileSync, rmSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";

describe("CLI module graph", () => {
  test("does not resolve the Kubernetes client during CLI startup", () => {
    const entry = join(import.meta.dir, "../../index.ts");
    const probe = Bun.spawnSync([process.execPath, entry, "--help"], {
      cwd: import.meta.dir,
      env: process.env,
    });
    expect(probe.exitCode).toBe(0);
    expect(new TextDecoder().decode(probe.stdout)).toContain("USAGE");
  });

  test("production build retains the startup updater's runtime environment guard", () => {
    const root = join(import.meta.dir, "../..");
    const { scripts } = JSON.parse(
      readFileSync(join(root, "package.json"), "utf8"),
    );
    const args = (scripts.build as string).split(/\s+/);
    expect(args).toContain("--env");
    expect(args[args.indexOf("--env") + 1]).toBe("disable");

    const outdir = mkdtempSync(join(tmpdir(), "kuber-cli-build-"));
    try {
      args[args.indexOf("--outdir") + 1] = outdir;
      const build = Bun.spawnSync(args, {
        cwd: root,
        env: { ...process.env, NODE_ENV: "production" },
      });
      expect(new TextDecoder().decode(build.stderr)).toBe("");
      expect(build.exitCode).toBe(0);
      const bundle = readFileSync(join(outdir, "index.js"), "utf8");
      expect(bundle).toContain("NODE_ENV");
      expect(bundle).toContain('"development"');
      expect(bundle).toContain('"test"');
      expect(bundle).toContain("KUBER_VERSION_REEXEC");
    } finally {
      rmSync(outdir, { recursive: true, force: true });
    }
  }, 20_000);
});