import { screen, fireEvent } from "@testing-library/react";
import { useAppDispatch } from "../../../src/app/hooks";
import { createCalendar } from "../../../src/features/Calendars/CalendarSlice";
import CalendarPopover from "../../../src/features/Calendars/CalendarModal";
import { renderWithProviders } from "../../utils/Renderwithproviders";
import * as eventThunks from "../../../src/features/Calendars/CalendarSlice";

describe("CalendarPopover", () => {
  const mockOnClose = jest.fn();

  beforeEach(() => {
    jest.clearAllMocks();
  });

  const renderPopover = (open = true) => {
    const preloadedState = {
      user: {
        userData: {
          sub: "test",
          email: "test@test.com",
          sid: "aiYbWZSk2g0F+LrQeD7Dg4QcUMR8R/zTZdZBiA7N6Ro",
          openpaasId: "667037022b752d0026472254",
        },
      },
      calendars: { list: {}, pending: true },
    };
    renderWithProviders(
      <CalendarPopover
        anchorEl={document.body}
        open={open}
        onClose={mockOnClose}
      />,
      preloadedState
    );
  };

  it("renders popover and inputs", () => {
    renderPopover();

    expect(screen.getByLabelText(/Name/i)).toBeInTheDocument();
    expect(screen.getByLabelText(/Description/i)).toBeInTheDocument();
    expect(screen.getByText("Calendar configuration")).toBeInTheDocument();
  });

  it("updates name and description fields", () => {
    renderPopover();

    const nameInput = screen.getByLabelText(/Name/i);
    fireEvent.change(nameInput, { target: { value: "My Calendar" } });
    expect(nameInput).toHaveValue("My Calendar");

    const descInput = screen.getByLabelText(/Description/i);
    fireEvent.change(descInput, { target: { value: "Test description" } });
    expect(descInput).toHaveValue("Test description");
  });

  it("selects a color when a color button is clicked", () => {
    renderPopover();

    // There are multiple color buttons; pick the first
    const colorButtons = screen
      .getAllByRole("button")
      .filter((btn) => btn.style.backgroundColor !== "");
    fireEvent.click(colorButtons[0]);

    // The header background should update (check via inline style)
    expect(
      screen.getByText("Calendar configuration").style.backgroundColor
    ).toBe(colorButtons[0].style.backgroundColor);
  });

  it("dispatches createCalendar and calls onClose when Save clicked", () => {
    const spy = jest
      .spyOn(eventThunks, "createCalendarAsync")
      .mockImplementation((payload) => {
        return () => Promise.resolve(payload) as any;
      });
    renderPopover();

    fireEvent.change(screen.getByLabelText(/Name/i), {
      target: { value: "Test Calendar" },
    });
    fireEvent.change(screen.getByLabelText(/Description/i), {
      target: { value: "Test Description" },
    });

    const expectedColor = "#D50000";

    const colorButtons = screen
      .getAllByRole("button")
      .filter((btn) => btn.style.backgroundColor !== "");

    fireEvent.click(colorButtons[0]);

    fireEvent.click(screen.getByText(/Save/i));

    expect(spy).toHaveBeenCalled();

    expect(mockOnClose).toHaveBeenCalledWith({}, "backdropClick");

    // Inputs should be reset (optional check)
    expect(screen.getByLabelText(/Name/i)).toHaveValue("");
    expect(screen.getByLabelText(/Description/i)).toHaveValue("");
  });

  it("calls onClose when Cancel clicked", () => {
    renderPopover();

    fireEvent.click(screen.getByText(/Cancel/i));

    expect(mockOnClose).toHaveBeenCalledWith({}, "backdropClick");
  });
});