import { render, screen } from '@testing-library/react';
import userEvent from '@testing-library/user-event';

import { withTestRouter } from '@/react/test-utils/withRouter';

import { Context } from './useSidebarState';
import { Header } from './Header';

vi.mock('@/react/portainer/feature-flags/feature-flags.service', () => ({
  isBE: false,
}));

function renderComponent(
  props = {},
  sidebarState = { isOpen: true, toggle: vi.fn() }
) {
  const Wrapped = withTestRouter(Header);

  return render(
    <Context.Provider value={sidebarState}>
      <Wrapped {...props} />
    </Context.Provider>
  );
}

describe('Header', () => {
  it('should render with default logo when no custom logo provided', () => {
    renderComponent();

    const logo = screen.getByAltText('Logo');
    expect(logo).toBeInTheDocument();
    expect(logo).toHaveAttribute(
      'src',
      expect.stringContaining('portainer_logo-CE.svg')
    );
  });

  it('should render with custom logo when provided', () => {
    const customLogo = 'https://example.com/custom-logo.png';
    renderComponent({ logo: customLogo });

    const logo = screen.getByAltText('Logo');
    expect(logo).toBeInTheDocument();
    expect(logo).toHaveAttribute('src', customLogo);
  });

  it('should show "Powered by" section when sidebar is open and custom logo is provided', () => {
    const customLogo = 'https://example.com/custom-logo.png';
    renderComponent({ logo: customLogo });

    expect(screen.getByText('Powered by')).toBeInTheDocument();
    expect(screen.getByText('portainer community')).toBeInTheDocument();
  });

  it('should not show "Powered by" section when no custom logo', () => {
    renderComponent();

    expect(screen.queryByText('Powered by')).not.toBeInTheDocument();
  });

  it('should not show "Powered by" section when sidebar is closed', () => {
    const customLogo = 'https://example.com/custom-logo.png';
    renderComponent({ logo: customLogo }, { isOpen: false, toggle: vi.fn() });

    expect(screen.queryByText('Powered by')).not.toBeInTheDocument();
  });

  it('should apply flex-wrap class to logo container', () => {
    renderComponent();

    const logoContainer = screen.getByTestId(
      'portainerSidebar-homeImage'
    ).parentElement;
    expect(logoContainer).toHaveClass('flex-wrap');
  });

  it('should apply justify-center class when sidebar is closed', () => {
    renderComponent({}, { isOpen: false, toggle: vi.fn() });

    const logoContainer = screen.getByTestId(
      'portainerSidebar-homeImage'
    ).parentElement;
    expect(logoContainer).toHaveClass('justify-center');
  });

  it('should not apply justify-center class when sidebar is open', () => {
    renderComponent();

    const logoContainer = screen.getByTestId(
      'portainerSidebar-homeImage'
    ).parentElement;
    expect(logoContainer).not.toHaveClass('justify-center');
  });

  it('should toggle sidebar when toggle button is clicked', async () => {
    const user = userEvent.setup();
    const mockToggle = vi.fn();
    renderComponent({}, { isOpen: true, toggle: mockToggle });

    const toggleButton = screen.getByRole('button', { name: 'Toggle Sidebar' });
    await user.click(toggleButton);

    expect(mockToggle).toHaveBeenCalledTimes(1);
  });

  it('should show chevron left icon when sidebar is open', () => {
    renderComponent();

    const toggleButton = screen.getByRole('button', { name: 'Toggle Sidebar' });
    expect(toggleButton).toBeInTheDocument();
  });

  it('should show chevron right icon when sidebar is closed', () => {
    renderComponent({}, { isOpen: false, toggle: vi.fn() });

    const toggleButton = screen.getByRole('button', { name: 'Toggle Sidebar' });
    expect(toggleButton).toBeInTheDocument();
  });

  it('should use small logo when sidebar is closed', () => {
    renderComponent({}, { isOpen: false, toggle: vi.fn() });

    const logo = screen.getByAltText('Logo');
    expect(logo).toHaveAttribute(
      'src',
      expect.stringContaining('logomark-CE.svg')
    );
  });

  it('should apply max-height class to logo when sidebar is closed', () => {
    renderComponent({}, { isOpen: false, toggle: vi.fn() });

    const logo = screen.getByAltText('Logo');
    expect(logo).toHaveClass('!max-h-[27px]');
  });

  it('should not apply max-height class to logo when sidebar is open', () => {
    renderComponent();

    const logo = screen.getByAltText('Logo');
    expect(logo).not.toHaveClass('!max-h-[27px]');
  });
});