// @vitest-environment jsdom
//
// The admin Users page's Storage tab: every user's footprint against their OWN limit (or
// "Unlimited") with their file count, and every user's downloads — each list's row has one menu.
// A user's: Edit quota, Reset (behind a confirm). A download's: Open source, the copies, and Edit
// this user's quota — which opens the quota of the download's OWNER. i18n is key-passthrough.
import { afterEach, describe, expect, it, vi } from "vitest";
import { act, cleanup, fireEvent, render, screen, waitFor } from "@testing-library/react";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { api, type AdminStorage, type DownloadJob } from "../lib/api";
import { qk } from "../lib/queryKeys";

const mocks = vi.hoisted(() => ({
  storage: undefined as unknown,
  jobs: undefined as unknown,
  confirm: vi.fn(async (_o?: unknown) => true),
}));

vi.mock("react-i18next", async (importOriginal) => ({
  ...(await importOriginal<typeof import("react-i18next")>()),
  useTranslation: () => ({
    i18n: { language: "en" },
    t: (key: string, o?: { size?: string; email?: string }) =>
      `${key}${o?.size ? `:${o.size}` : ""}${o?.email ? `:${o.email}` : ""}`,
  }),
}));
vi.mock("./confirmContext", () => ({ useConfirm: () => mocks.confirm }));
vi.mock("../lib/useLiveQuery", () => ({
  useLiveQuery: (key: readonly unknown[]) => ({
    data: key[0] === qk.adminStorage()[0] ? mocks.storage : mocks.jobs,
    isError: false,
    isLoading: false,
    refetch: vi.fn(),
  }),
}));

import { StorageTab } from "./downloadAdmin";

const GiB = 1024 ** 3;

const storage = (): AdminStorage => ({
  files_on_disk: 3,
  total_bytes: 3 * GiB,
  total_assets: 3,
  total_cap_bytes: 0,
  per_user: [
    {
      user_id: 4,
      email: "anna@x",
      footprint_bytes: GiB,
      files: 27,
      max_bytes: 5 * GiB,
      unlimited: false,
    },
    {
      user_id: 1,
      email: "peter@x",
      footprint_bytes: 2 * GiB,
      files: 180,
      // Unlimited wins over the limit the row still carries.
      max_bytes: 10 * GiB,
      unlimited: true,
    },
  ],
});

const job = (id: number, extra: Partial<DownloadJob> = {}) =>
  ({
    id,
    status: "done",
    display_name: `Clip ${id}`,
    source_url: `https://example.com/${id}`,
    user_id: 4,
    user_email: "anna@x",
    asset: { size_bytes: 1024 },
    ...extra,
  }) as unknown as DownloadJob;

afterEach(() => {
  cleanup();
  vi.restoreAllMocks();
  mocks.confirm.mockClear();
});

function mount() {
  mocks.storage = storage();
  mocks.jobs = [job(7), job(8, { source_url: null, user_id: 1, user_email: "peter@x" })];
  render(
    <QueryClientProvider client={new QueryClient()}>
      <StorageTab />
    </QueryClientProvider>,
  );
}

const rowOf = (text: string) =>
  screen.getAllByText(text)[0]!.closest<HTMLElement>("[data-nav-index]")!;
const menuRows = () =>
  screen.getAllByRole("menuitem", { hidden: true }).map((b) => b.textContent ?? "");
const pick = (label: string) =>
  fireEvent.click(
    screen.getAllByRole("menuitem", { hidden: true }).find((b) => b.textContent === label)!,
  );
async function openMenu(row: HTMLElement) {
  act(() => {
    fireEvent.contextMenu(row);
  });
  await waitFor(() =>
    expect(screen.getAllByRole("menuitem", { hidden: true }).length).toBeGreaterThan(0),
  );
}

describe("StorageTab", () => {
  it("names each user's use against their own limit, and their files", () => {
    mount();
    const anna = rowOf("anna@x");
    expect(anna.textContent).toMatch(/downloads\.admin\.ofQuota:5(\.0)? GB/);
    expect(anna.textContent).toContain("27");
    expect(anna.querySelector('[role="meter"]')?.getAttribute("aria-valuenow")).toBe("20");
    expect(rowOf("peter@x").textContent).toContain("downloads.admin.unlimitedShort");
  });

  it("a user's menu edits their quota, and resets it only through the confirm", async () => {
    vi.spyOn(api, "adminGetDownloadQuota").mockReturnValue(new Promise(() => {}) as never);
    const reset = vi.spyOn(api, "adminResetDownloadQuota").mockResolvedValue({} as never);
    mount();
    await openMenu(rowOf("anna@x"));
    expect(menuRows()).toEqual(["downloads.admin.editQuota", "downloads.admin.reset"]);
    mocks.confirm.mockResolvedValueOnce(false);
    pick("downloads.admin.reset");
    await waitFor(() => expect(mocks.confirm).toHaveBeenCalledTimes(1));
    expect(reset).not.toHaveBeenCalled();
    await openMenu(rowOf("anna@x"));
    pick("downloads.admin.reset");
    await waitFor(() => expect(reset).toHaveBeenCalledWith(4));
    await openMenu(rowOf("anna@x"));
    pick("downloads.admin.editQuota");
    expect(await screen.findByText("downloads.admin.quotaTitle:anna@x")).toBeTruthy();
    expect(api.adminGetDownloadQuota).toHaveBeenCalledWith(4);
  });

  it("a download's menu opens its source, copies, and opens its OWNER's quota", async () => {
    vi.spyOn(api, "adminGetDownloadQuota").mockReturnValue(new Promise(() => {}) as never);
    const open = vi.spyOn(window, "open").mockReturnValue(null);
    mount();
    await openMenu(rowOf("Clip 7"));
    expect(menuRows()).toEqual([
      "downloads.admin.openSource",
      "common.copy.title",
      "common.copy.link",
      "downloads.admin.editUserQuota",
    ]);
    pick("downloads.admin.openSource");
    expect(open).toHaveBeenCalledWith("https://example.com/7", "_blank", "noopener,noreferrer");
    // One with no source link offers neither the link nor its copy.
    await openMenu(rowOf("Clip 8"));
    expect(menuRows()).toEqual(["common.copy.title", "downloads.admin.editUserQuota"]);
    pick("downloads.admin.editUserQuota");
    await waitFor(() => expect(api.adminGetDownloadQuota).toHaveBeenCalledWith(1));
  });
});