import { render, screen } from "@testing-library/react";
import { beforeEach } from "vitest";
import { useSessionStore } from "../store/sessionStore";
import { CentralStatus } from "./CentralStatus";

beforeEach(() => useSessionStore.getState().resetSession());

test("the working spinner is a pure status indicator (no activity toggle on it)", () => {
  useSessionStore.getState().applyEvent({ type: "text_delta", text: "reading the schema" });
  render(<CentralStatus working />);
  // The spinner no longer opens the panel — that moved to the header arrow toggle.
  expect(screen.queryByRole("button", { name: /model activity/i })).not.toBeInTheDocument();
  expect(screen.getByRole("status")).toBeInTheDocument();
});

test("renders nothing when not working and there is no user entry or step messages", () => {
  const { container } = render(<CentralStatus working={false} />);
  expect(container).toBeEmptyDOMElement();
});

test("echoes the last user entry and the step messages", () => {
  const st = useSessionStore.getState();
  st.setLastUserEntry({ kind: "input", text: "how many patients?" });
  st.applyEvent({ type: "info", level: "info", text: "Searching the schema…" });
  render(<CentralStatus working={false} />);
  expect(screen.getByText("how many patients?")).toBeInTheDocument();
  expect(screen.getByText("Searching the schema…")).toBeInTheDocument();
});

test("shows a working indicator with elapsed time and the model-stream tail while working", () => {
  useSessionStore.getState().applyEvent({ type: "text_delta", text: "Reading the schema for dim_patient" });
  render(<CentralStatus working />);
  // elapsed time (e.g. "0s")
  expect(screen.getByText(/\d+s/)).toBeInTheDocument();
  // a short tail of the model's current output
  expect(screen.getByText(/Reading the schema for dim_patient/)).toBeInTheDocument();
});

test("no working indicator when not working, even with a transcript", () => {
  useSessionStore.getState().applyEvent({ type: "text_delta", text: "background narration" });
  render(<CentralStatus working={false} />);
  expect(screen.queryByText(/\d+s/)).not.toBeInTheDocument();
});