import { screen, fireEvent } from "@testing-library/react";
import "@testing-library/jest-dom";
import CalendarSelection from "../../src/components/Calendar/CalendarSelection";
import { renderWithProviders } from "../utils/Renderwithproviders";

describe("CalendarSelection", () => {
  const baseUser = {
    userData: {
      sub: "test",
      email: "test@test.com",
      sid: "mockSid",
      openpaasId: "user1",
    },
    tokens: { accessToken: "token" },
  };

  const calendarsMock = {
    "user1/cal1": {
      name: "Calendar personnal",
      id: "user1/cal1",
      color: "#FF0000",
      ownerEmails: ["alice@example.com"],
    },
    "user2/cal1": {
      name: "Calendar delegated",
      delegated: true,
      id: "user2/cal1",
      color: "#00FF00",
      ownerEmails: ["bob@example.com"],
    },
    "user3/cal1": {
      name: "Calendar shared",
      id: "user3/cal1",
      color: "#0000FF",
      ownerEmails: ["charlie@example.com"],
    },
  };

  it("renders personal, delegated and shared calendars", () => {
    renderWithProviders(
      <CalendarSelection
        selectedCalendars={["user1/cal1"]}
        setSelectedCalendars={jest.fn()}
      />,
      {
        user: baseUser,
        calendars: { list: calendarsMock, pending: false },
      }
    );

    expect(screen.getByText("Personnal Calendars")).toBeInTheDocument();
    expect(screen.getByText("Delegated Calendars")).toBeInTheDocument();
    expect(screen.getByText("Shared Calendars")).toBeInTheDocument();

    expect(screen.getByLabelText("Calendar personnal")).toBeChecked();
    expect(screen.getByLabelText("Calendar delegated")).not.toBeChecked();
    expect(screen.getByLabelText("Calendar shared")).not.toBeChecked();
  });

  it("toggles a calendar selection on click", () => {
    const setSelectedCalendars = jest.fn();

    renderWithProviders(
      <CalendarSelection
        selectedCalendars={[]}
        setSelectedCalendars={setSelectedCalendars}
      />,
      {
        user: baseUser,
        calendars: { list: calendarsMock, pending: false },
      }
    );

    const checkbox = screen.getByLabelText("Calendar personnal");
    fireEvent.click(checkbox);

    expect(setSelectedCalendars).toHaveBeenCalledWith(expect.any(Function));

    const updater = setSelectedCalendars.mock.calls[0][0];
    expect(updater([])).toEqual(["user1/cal1"]);
  });

  it("removes calendar from selection if already selected", () => {
    const setSelectedCalendars = jest.fn();

    renderWithProviders(
      <CalendarSelection
        selectedCalendars={["user1/cal1"]}
        setSelectedCalendars={setSelectedCalendars}
      />,
      {
        user: baseUser,
        calendars: { list: calendarsMock, pending: false },
      }
    );

    const checkbox = screen.getByLabelText("Calendar personnal");
    fireEvent.click(checkbox);

    const updater = setSelectedCalendars.mock.calls[0][0];
    expect(updater(["user1/cal1"])).toEqual([]);
  });

  it("opens CalendarPopover when Add button is clicked", () => {
    renderWithProviders(
      <CalendarSelection
        selectedCalendars={[]}
        setSelectedCalendars={jest.fn()}
      />,
      {
        user: baseUser,
        calendars: { list: calendarsMock, pending: false },
      }
    );

    const addButton = screen.getByRole("button");
    fireEvent.click(addButton);

    expect(screen.getByRole("presentation")).toBeInTheDocument();
  });

  it("renders only personal calendars if no delegated/shared exist", () => {
    renderWithProviders(
      <CalendarSelection
        selectedCalendars={[]}
        setSelectedCalendars={jest.fn()}
      />,
      {
        user: baseUser,
        calendars: {
          list: {
            "user1/cal1": calendarsMock["user1/cal1"],
          },
          pending: false,
        },
      }
    );

    expect(screen.getByText("Personnal Calendars")).toBeInTheDocument();
    expect(screen.queryByText("Delegated Calendars")).not.toBeInTheDocument();
    expect(screen.queryByText("Shared Calendars")).not.toBeInTheDocument();
  });

  it("renders nothing when no calendars are present", () => {
    renderWithProviders(
      <CalendarSelection
        selectedCalendars={[]}
        setSelectedCalendars={jest.fn()}
      />,
      {
        user: baseUser,
        calendars: { list: {}, pending: false },
      }
    );

    expect(screen.queryByLabelText(/Calendar/)).not.toBeInTheDocument();
  });
});