import { jest } from "@jest/globals";

const query = jest.fn();
const release = jest.fn(async () => {});
jest.unstable_mockModule("../../db/index.js", () => ({ getPool: async () => ({ query, release }) }));

const { getSeries } = await import("./series.js");

beforeEach(() => {
  query.mockReset();
  release.mockClear();
});

describe("getSeries (combined usage + storage, one query)", () => {
  it("splits one result set into usage counts and storage byte totals with computed totals", async () => {
    query.mockResolvedValue({
      rows: [
        { date: "2026-06-01", core: 3, audit: 5, core_disk: "100", audit_disk: "50" },
        { date: "2026-06-02", core: 0, audit: 0, core_disk: "100", audit_disk: "50" },
      ],
    });

    const out = await getSeries(7, { from: "2026-06-01", to: "2026-06-02" });

    expect(query).toHaveBeenCalledTimes(1); // single round-trip
    expect(query.mock.calls[0][1]).toEqual([7, "2026-06-01", "2026-06-02"]);
    expect(out.usage).toEqual([
      { date: "2026-06-01", core: 3, audit: 5, total: 8 },
      { date: "2026-06-02", core: 0, audit: 0, total: 0 },
    ]);
    expect(out.storage).toEqual([
      { date: "2026-06-01", coreDisk: 100, auditDisk: 50, totalDisk: 150 },
      { date: "2026-06-02", coreDisk: 100, auditDisk: 50, totalDisk: 150 },
    ]);
    expect(release).toHaveBeenCalledTimes(1);
  });
});