import React from 'react';
import { render, fireEvent, screen } from '@testing-library/react';
import { Provider } from 'react-intl-redux';
import configureStore from 'redux-mock-store';
import { MemoryRouter } from 'react-router-dom';
import '@testing-library/jest-dom';
import Edit from './Edit';
import config from '@plone/volto/registry';

jest.mock('@plone/volto/components/manage/Blocks/Block/BlocksForm', () => ({
  __esModule: true,
  default: jest.fn(
    ({
      children,
      multiSelected,
      onSelectBlock,
      onChangeFormData,
      properties,
    }) => {
      const blockList = properties.blocks
        ? Object.entries(properties.blocks)
        : [];
      return (
        <div
          data-testid={`blocks-form-${properties.title || 'untitled'}`}
          data-multi-selected={(multiSelected || []).join(',')}
        >
          {blockList.map(([blockId, blockData], index) => (
            <div key={blockId}>
              <button
                type="button"
                aria-label={`Select ${blockId}`}
                onClick={(e) => onSelectBlock?.(blockId, null, e)}
              >
                Select {blockId}
              </button>
              {typeof children === 'function'
                ? children(
                    {
                      child: blockData,
                      childId: blockId,
                      index,
                    },
                    <div>EditBlock</div>,
                    {
                      allowedBlocks: [],
                      block: blockId,
                      data: blockData,
                      id: blockId,
                      index,
                      onChangeBlock: jest.fn(),
                      onSelectBlock,
                      onChangeFormData,
                      properties,
                      selected: false,
                      type: blockData['@type'],
                    },
                  )
                : null}
            </div>
          ))}
        </div>
      );
    },
  ),
}));

jest.mock('@plone/volto/components/manage/Form/BlocksToolbar', () => ({
  __esModule: true,
  default: () => <div>BlocksToolbar</div>,
}));

jest.mock('@plone/volto/components/manage/Form/BlockDataForm', () => ({
  __esModule: true,
  default: () => <div>BlockDataForm</div>,
}));

jest.mock('@plone/volto/components/manage/Sidebar/SidebarPortal', () => ({
  __esModule: true,
  default: ({ children }) => <div>{children}</div>,
}));

jest.mock('@plone/volto/helpers//Extensions', () => ({
  withBlockExtensions: jest.fn((Component) => Component),
}));

jest.mock('@plone/volto/helpers/Blocks/Blocks', () => ({
  emptyBlocksForm: jest.fn(),
  getBlocksLayoutFieldname: () => 'blocks_layout',
}));

config.blocks.blocksConfig.accordion = {
  ...config.blocks.blocksConfig.accordion,
  titleIcons: {
    opened: {
      rightPosition: 'chevron left',
      leftPosition: 'chevron right',
    },
    closed: {
      rightPosition: 'chevron down',
      leftPosition: 'chevron down',
    },
    size: 'tiny',
    iconComponent: 'SemanticIcon',
    unfiltered: {
      rightPosition: 'chevron left',
      leftPosition: 'chevron right',
    },
    filtered: {
      rightPosition: 'chevron down',
      leftPosition: 'chevron down',
    },
  },
};

const mockStore = configureStore();
const store = mockStore({
  intl: {
    locale: 'en',
    messages: {},
  },
});

const mockData = {
  '@type': 'accordion',
  title: 'Accordion',
  data: {
    blocks: {
      1: {
        '@type': 'accordionPanel',
        title: 'Panel 1',
        blocks: {
          block1: {
            '@type': 'text',
          },
          block2: {
            '@type': 'text',
          },
        },
        blocks_layout: {
          items: ['block1', 'block2'],
        },
      },
      2: {
        '@type': 'accordionPanel',
        title: 'Panel 2',
        blocks: {
          block3: {
            '@type': 'text',
          },
          block4: {
            '@type': 'text',
          },
        },
        blocks_layout: {
          items: ['block3', 'block4'],
        },
      },
    },
    blocks_layout: {
      items: ['1', '2'],
    },
  },
};

describe('Edit Component', () => {
  beforeEach(() => {
    jest.clearAllMocks();
  });

  it('renders the accordion title correctly', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit data={mockData} onChangeBlock={onChangeBlock} />
        </MemoryRouter>
      </Provider>,
    );

    expect(screen.getByText('Accordion')).toBeInTheDocument();
  });

  it('renders the accordion panels correctly', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit data={mockData} onChangeBlock={onChangeBlock} />
        </MemoryRouter>
      </Provider>,
    );
    expect(screen.getByDisplayValue('Panel 1')).toBeInTheDocument();
    expect(screen.getByDisplayValue('Panel 2')).toBeInTheDocument();
  });

  it('calls onChangeBlock when the title changes', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit data={mockData} onChangeBlock={onChangeBlock} />
        </MemoryRouter>
      </Provider>,
    );
    const titleInput = screen.getByDisplayValue('Panel 1');
    fireEvent.change(titleInput, { target: { value: 'New Panel Title' } });
    expect(onChangeBlock).toHaveBeenCalled();
  });

  it('filters the accordion panels based on the filter value', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit
            data={{ ...mockData, filtering: true }}
            onChangeBlock={onChangeBlock}
          />
        </MemoryRouter>
      </Provider>,
    );
    const filterInput = screen.getByPlaceholderText('Type to filter...');
    fireEvent.change(filterInput, { target: { value: 'Panel 1' } });

    expect(screen.getByPlaceholderText('Enter Title')).toHaveDisplayValue(
      'Panel 1',
    );
    expect(screen.queryByDisplayValue('Panel 2')).not.toBeInTheDocument();
  });

  it('renders the block toolbar when a block is selected', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit data={mockData} selected={true} onChangeBlock={onChangeBlock} />
        </MemoryRouter>
      </Provider>,
    );
    expect(screen.getByText('BlocksToolbar')).toBeInTheDocument();
  });

  it('renders the block data form in the sidebar portal', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit data={mockData} selected={true} onChangeBlock={onChangeBlock} />
        </MemoryRouter>
      </Provider>,
    );
    expect(screen.getByText('BlockDataForm')).toBeInTheDocument();
  });

  it('adds the disable-inner-buttons modifier when configured', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit
            data={{ ...mockData, disableInnerButtons: true }}
            onChangeBlock={onChangeBlock}
          />
        </MemoryRouter>
      </Provider>,
    );

    expect(screen.getByText('Accordion').closest('fieldset')).toHaveClass(
      'disable-inner-buttons',
    );
  });

  it('forwards nested multi-selected blocks to BlocksForm', () => {
    const onChangeBlock = jest.fn();
    render(
      <Provider store={store}>
        <MemoryRouter>
          <Edit data={mockData} selected={true} onChangeBlock={onChangeBlock} />
        </MemoryRouter>
      </Provider>,
    );

    fireEvent.click(screen.getByRole('button', { name: 'Select block1' }));
    fireEvent.click(screen.getByRole('button', { name: 'Select block2' }), {
      shiftKey: true,
    });

    expect(screen.getByTestId('blocks-form-Panel 1')).toHaveAttribute(
      'data-multi-selected',
      'block1,block2',
    );
  });
});