import { describe, expect, it } from "vitest";
import { screen, waitFor } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { LoginPage } from "./LoginPage";
import { renderWithProviders } from "@/test/test-utils";

describe("LoginPage", () => {
  it("renders login form", () => {
    renderWithProviders(<LoginPage />, {
      routerProps: { initialEntries: ["/login"] },
      authenticated: false,
    });
    expect(screen.getByText("AetherForge Command Deck")).toBeInTheDocument();
    expect(screen.getByLabelText("Username")).toBeInTheDocument();
    expect(screen.getByLabelText("Password")).toBeInTheDocument();
  });

  it("shows validation error for empty submit", async () => {
    const user = userEvent.setup();
    renderWithProviders(<LoginPage />, {
      routerProps: { initialEntries: ["/login"] },
      authenticated: false,
    });
    await user.click(screen.getByRole("button", { name: "Authenticate" }));
    expect(screen.getByText("Username and password are required.")).toBeInTheDocument();
  });

  it("authenticates and navigates to dashboard", async () => {
    const user = userEvent.setup();
    renderWithProviders(<LoginPage />, {
      routerProps: { initialEntries: ["/login"] },
      authenticated: false,
    });
    await user.type(screen.getByLabelText("Username"), "operator");
    await user.type(screen.getByLabelText("Password"), "secret");
    await user.click(screen.getByRole("button", { name: "Authenticate" }));

    await waitFor(() => {
      expect(sessionStorage.getItem("aetherforge_auth")).toContain("operator");
    });
  });
});