/**
 * Unit tests for CalendarDay: click opens day detail only for current month;
 * other-month cells do not call onDayClick and are non-interactive (aria-disabled).
 */

import { describe, it, expect, beforeEach, vi } from "vitest";
import { render, screen, fireEvent } from "@testing-library/react";
import { CalendarDay } from "./CalendarDay";
import { resetAppStore } from "@/test/test-utils";

describe("CalendarDay", () => {
  const defaultProps = {
    dateKey: "2025-02-15",
    dayOfMonth: 15,
    isToday: false,
    duties: [],
    eventSummaries: [],
    onDayClick: () => {},
  };

  beforeEach(() => {
    resetAppStore();
  });

  it("calls onDayClick with dateKey and rect when clicked and isOtherMonth is false", () => {
    const onDayClick = vi.fn();
    render(
      <CalendarDay
        {...defaultProps}
        isOtherMonth={false}
        onDayClick={onDayClick}
      />
    );
    const button = screen.getByRole("button", { name: /15/ });
    fireEvent.click(button);

    expect(onDayClick).toHaveBeenCalledTimes(1);
    expect(onDayClick).toHaveBeenCalledWith(
      "2025-02-15",
      expect.objectContaining({
        width: expect.any(Number),
        height: expect.any(Number),
        top: expect.any(Number),
        left: expect.any(Number),
      })
    );
  });

  it("does not call onDayClick when clicked and isOtherMonth is true", () => {
    const onDayClick = vi.fn();
    render(
      <CalendarDay
        {...defaultProps}
        isOtherMonth={true}
        onDayClick={onDayClick}
      />
    );
    const button = screen.getByRole("button", { name: /15/ });
    fireEvent.click(button);

    expect(onDayClick).not.toHaveBeenCalled();
  });

  it("sets aria-disabled on the button when isOtherMonth is true", () => {
    render(
      <CalendarDay {...defaultProps} isOtherMonth={true} onDayClick={() => {}} />
    );
    const button = screen.getByRole("button", { name: /15/ });
    expect(button).toHaveAttribute("aria-disabled", "true");
  });

  it("is not disabled for interaction when isOtherMonth is false", () => {
    render(
      <CalendarDay {...defaultProps} isOtherMonth={false} onDayClick={() => {}} />
    );
    const button = screen.getByRole("button", { name: /15/ });
    expect(button.getAttribute("aria-disabled")).not.toBe("true");
  });
});