const { test } = require("node:test");
const assert = require("node:assert");
const { fetchUsers, fetchOrgUnits } = require("../src/lib/lineworksClient");

test("fetchUsers follows responseMetaData.nextCursor until it is null", async () => {
  const pages = [
    { users: [{ userId: "u1" }], responseMetaData: { nextCursor: "cursor-2" } },
    { users: [{ userId: "u2" }], responseMetaData: { nextCursor: null } },
  ];
  let call = 0;
  const fetchImpl = async () => {
    const body = pages[call++];
    return { ok: true, json: async () => body };
  };

  const users = await fetchUsers({ accessToken: "tok", fetchImpl });

  assert.strictEqual(call, 2);
  assert.deepStrictEqual(users.map((u) => u.userId), ["u1", "u2"]);
});

test("fetchOrgUnits returns items directly when there is no next cursor", async () => {
  const fetchImpl = async () => ({
    ok: true,
    json: async () => ({ orgUnits: [{ orgUnitId: "o1" }, { orgUnitId: "o2" }], responseMetaData: {} }),
  });
  const orgUnits = await fetchOrgUnits({ accessToken: "tok", fetchImpl });
  assert.strictEqual(orgUnits.length, 2);
});