import { test } from "node:test";
import assert from "node:assert/strict";
import { mkdtempSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { readIdentity } from "../dist/identity.js";

test("the account is read from the agent's state file", () => {
  const p = join(mkdtempSync(join(tmpdir(), "cc-id-")), ".claude.json");
  writeFileSync(p, JSON.stringify({ oauthAccount: { accountUuid: "u-1", emailAddress: "a@example.org" }, other: 2 }));
  assert.deepEqual(readIdentity(p), { accountUuid: "u-1", emailAddress: "a@example.org", organizationUuid: undefined });
});

test("no state file, or no account in it, is no identity rather than a guess", () => {
  assert.equal(readIdentity("/nonexistent/.claude.json"), null);
  const p = join(mkdtempSync(join(tmpdir(), "cc-id-")), ".claude.json");
  writeFileSync(p, "{}");
  assert.equal(readIdentity(p), null);
});