import { fireEvent, render, screen, waitFor } from "@testing-library/react";
import type {
  ButtonHTMLAttributes,
  ClassAttributes,
  InputHTMLAttributes,
  ReactNode,
} from "react";
import type { JSX } from "react/jsx-runtime";
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
import { RebootDialog } from "./RebootDialog.tsx";

const rebootMock = vi.fn();
const rebootOtaMock = vi.fn();
let mockConnection: { 
  rebootOta: (delay: number) => void,
  reboot: (delay: number) => void
 } | undefined = {
  reboot: rebootMock,
  rebootOta: rebootOtaMock,
};

vi.mock("@core/stores", () => ({
  useDevice: () => ({
    connection: mockConnection,
  }),
}));

vi.mock("@components/UI/Button.tsx", async () => {
  const actual = await vi.importActual("@components/UI/Button.tsx");
  return {
    ...actual,
    Button: (
      props: JSX.IntrinsicAttributes &
        ClassAttributes<HTMLButtonElement> &
        ButtonHTMLAttributes<HTMLButtonElement>,
    ) => <button {...props} />,
  };
});

vi.mock("@components/UI/Input.tsx", async () => {
  const actual = await vi.importActual("@components/UI/Input.tsx");
  return {
    ...actual,
    Input: (
      props: JSX.IntrinsicAttributes &
        ClassAttributes<HTMLInputElement> &
        InputHTMLAttributes<HTMLInputElement>,
    ) => <input {...props} />,
  };
});

vi.mock("@components/UI/Dialog.tsx", () => {
  return {
    Dialog: ({ children }: { children: ReactNode }) => <div>{children}</div>,
    DialogContent: ({ children }: { children: ReactNode }) => (
      <div>{children}</div>
    ),
    DialogHeader: ({ children }: { children: ReactNode }) => (
      <div>{children}</div>
    ),
    DialogTitle: ({ children }: { children: ReactNode }) => <h1>{children}</h1>,
    DialogDescription: ({ children }: { children: ReactNode }) => (
      <p>{children}</p>
    ),
    DialogClose: () => null,
  };
});

describe("RebootDialog", () => {
  beforeEach(() => {
    vi.useFakeTimers();
    rebootOtaMock.mockClear();
  });

  afterEach(() => {
    vi.useRealTimers();
  });

  it("renders dialog with default input value", () => {
    render(<RebootDialog open onOpenChange={() => {}} />);
    expect(screen.getByPlaceholderText(/enter delay/i)).toHaveValue(5);
    expect(
      screen.getByRole("heading", { name: /reboot device/i, level: 1 }),
    ).toBeInTheDocument();
    expect(screen.getByRole("button", { name: /reboot now/i })).toBeInTheDocument();
  });

    it("calls correct reboot function based on OTA checkbox state", () => {
      render(<RebootDialog open onOpenChange={() => {}} />);

      // Schedule non-OTA reboot
      fireEvent.click(screen.getByTestId("scheduleRebootBtn"));
      expect(rebootMock).toHaveBeenCalledWith(5);
      expect(rebootOtaMock).not.toHaveBeenCalled();

      rebootMock.mockClear();
      rebootOtaMock.mockClear();

      // Cancel scheduled
      fireEvent.click(screen.getByTestId("cancelRebootBtn"));
      expect(rebootMock).toHaveBeenCalledWith(-1);
      expect(rebootOtaMock).not.toHaveBeenCalled();

      rebootMock.mockClear();
      rebootOtaMock.mockClear();

      // Schedule OTA reboot
      fireEvent.click(screen.getByText(/reboot into ota mode/i));
      fireEvent.click(screen.getByTestId("scheduleRebootBtn"));
      expect(rebootOtaMock).toHaveBeenCalledWith(5);
      expect(rebootMock).not.toHaveBeenCalled();
    });

  it("schedules a reboot with delay and calls rebootOta", async () => {
    const onOpenChangeMock = vi.fn();
    render(<RebootDialog open onOpenChange={onOpenChangeMock} />);

    fireEvent.change(screen.getByPlaceholderText(/enter delay/i), {
      target: { value: "3" },
    });

    fireEvent.click(screen.getByTestId("scheduleRebootBtn"));
    
    expect(rebootMock).toHaveBeenCalledWith(3);

    expect(screen.getByText(/reboot has been scheduled/i)).toBeInTheDocument();

    vi.advanceTimersByTime(3000);

    expect(onOpenChangeMock).toHaveBeenCalledWith(false);

  });

  it("triggers an instant reboot", async () => {
    const onOpenChangeMock = vi.fn();
    render(<RebootDialog open onOpenChange={onOpenChangeMock} />);

    fireEvent.click(screen.getByRole("button", { name: /reboot now/i }));

    expect(rebootMock).toHaveBeenCalledWith(0);
    expect(onOpenChangeMock).toHaveBeenCalledWith(false);
  });

  it("does not call reboot if connection is undefined", async () => {
    const onOpenChangeMock = vi.fn();

    mockConnection = undefined;

    render(<RebootDialog open onOpenChange={onOpenChangeMock} />);

    fireEvent.click(screen.getByTestId("scheduleRebootBtn"));

    vi.advanceTimersByTime(5000);

    expect(rebootMock).not.toHaveBeenCalled();
    expect(rebootOtaMock).not.toHaveBeenCalled();

    mockConnection = { reboot: rebootMock, rebootOta: rebootOtaMock };
  });

  it("cancels a scheduled reboot and calls rebootOta with -1", async () => {
    const onOpenChangeMock = vi.fn();
    render(<RebootDialog open onOpenChange={onOpenChangeMock} />);

    fireEvent.change(screen.getByPlaceholderText(/enter delay/i), {
      target: { value: "4" },
    });
    fireEvent.click(screen.getByTestId("scheduleRebootBtn"));
    expect(rebootMock).toHaveBeenCalledWith(4);

    fireEvent.click(screen.getByRole("button", { name: /cancel/i }));
    expect(rebootMock).toHaveBeenCalledWith(-1);
    expect(screen.queryByText(/reboot has been scheduled/i)).not.toBeInTheDocument();
  });
});
