import { beforeEach, describe, expect, it, vi } from "vitest";
import { fireEvent, render, screen } from "@testing-library/react";
import { CommandPalette } from "@/components/CommandPalette";

const push = vi.fn();

vi.mock("next/navigation", () => ({
  useRouter: () => ({ push }),
  usePathname: () => "/dashboard",
}));

/** Opens the palette the way a user does — via the keyboard shortcut. */
function openWithShortcut(ctrlKey = true) {
  fireEvent.keyDown(window, { key: "k", ctrlKey });
}

describe("command palette", () => {
  beforeEach(() => {
    push.mockClear();
  });

  it("starts closed and opens with the keyboard shortcut", () => {
    render(<CommandPalette />);
    expect(screen.queryByRole("dialog")).not.toBeInTheDocument();

    openWithShortcut();
    expect(screen.getByRole("dialog")).toBeInTheDocument();
  });

  it("opens with the macOS cmd key as well as ctrl", () => {
    render(<CommandPalette />);
    fireEvent.keyDown(window, { key: "k", metaKey: true });
    expect(screen.getByRole("dialog")).toBeInTheDocument();
  });

  it("lists the sidebar destinations when open", () => {
    render(<CommandPalette />);
    openWithShortcut();
    expect(screen.getByText(/^بخش/)).toBeInTheDocument();
    expect(screen.getByRole("button", { name: /داشبورد/ })).toBeInTheDocument();
  });

  it("filters the destinations as the user types", () => {
    render(<CommandPalette />);
    openWithShortcut();

    fireEvent.change(screen.getByLabelText("جست‌وجوی بخش‌ها"), {
      target: { value: "اپلیکیشن" },
    });

    expect(screen.getByRole("button", { name: /اپلیکیشن/ })).toBeInTheDocument();
    expect(screen.queryByRole("button", { name: /داشبورد/ })).not.toBeInTheDocument();
  });

  it("shows an empty state when nothing matches", () => {
    render(<CommandPalette />);
    openWithShortcut();

    fireEvent.change(screen.getByLabelText("جست‌وجوی بخش‌ها"), {
      target: { value: "zzzz" },
    });

    expect(screen.getByText("نتیجه‌ای پیدا نشد")).toBeInTheDocument();
  });

  it("hides the platform-owner group from a regular user", () => {
    render(<CommandPalette />);
    openWithShortcut();
    expect(screen.queryByText("کنسول مالک سامانه")).not.toBeInTheDocument();
  });

  it("shows the platform-owner group to the owner, including global usage", () => {
    render(<CommandPalette isPlatformOwner />);
    openWithShortcut();
    expect(screen.getByText("کنسول مالک سامانه")).toBeInTheDocument();
    expect(screen.getByRole("button", { name: /مصرف سراسری/ })).toBeInTheDocument();
  });

  it("navigates to the highlighted destination on Enter", () => {
    render(<CommandPalette />);
    openWithShortcut();

    fireEvent.keyDown(screen.getByLabelText("جست‌وجوی بخش‌ها"), {
      key: "ArrowDown",
    });
    fireEvent.keyDown(screen.getByLabelText("جست‌وجوی بخش‌ها"), { key: "Enter" });

    expect(push).toHaveBeenCalledTimes(1);
    expect(push).toHaveBeenCalledWith("/manager");
  });

  it("navigates to the destination clicked with the mouse", () => {
    render(<CommandPalette />);
    openWithShortcut();

    fireEvent.click(screen.getByRole("button", { name: /داشبورد/ }));
    expect(push).toHaveBeenCalledWith("/dashboard");
  });

  it("closes with Escape", () => {
    render(<CommandPalette />);
    openWithShortcut();
    expect(screen.getByRole("dialog")).toBeInTheDocument();

    fireEvent.keyDown(screen.getByLabelText("جست‌وجوی بخش‌ها"), { key: "Escape" });
    expect(screen.queryByRole("dialog")).not.toBeInTheDocument();
  });
});