import React from 'react';
import { fireEvent, render, screen, waitFor, within } from '@testing-library/react';
import { FileNode } from './FileNode';

describe('<FileNode />', () => {
  const changeName = (newFileName) => {
    const renameButton = screen.getByText(/Rename/i);
    fireEvent.click(renameButton);

    const input = screen.getByTestId('input');
    fireEvent.change(input, { target: { value: newFileName } });
    fireEvent.blur(input);
  };

  const expectFileNameToBe = async (expectedName) => {
    const name = screen.getByTestId('file-name');
    await waitFor(() => within(name).queryByText(expectedName));
  };

  const renderFileNode = (fileType, extraProps = {}) => {
    const props = {
      ...extraProps,
      id: '0',
      name: fileType === 'folder' ? 'afolder' : 'test.jsx',
      fileType,
      canEdit: true,
      children: [],
      authenticated: false,
      setSelectedFile: jest.fn(),
      deleteFile: jest.fn(),
      updateFileName: jest.fn(),
      resetSelectedFile: jest.fn(),
      newFile: jest.fn(),
      newFolder: jest.fn(),
      showFolderChildren: jest.fn(),
      hideFolderChildren: jest.fn(),
      openUploadFileModal: jest.fn(),
      setProjectName: jest.fn(),
    };

    render(<FileNode {...props} />);

    return props;
  };

  describe('fileType: file', () => {
    it('cannot change to an empty name', async () => {
      const props = renderFileNode('file');

      changeName('');

      await waitFor(() => expect(props.updateFileName).not.toHaveBeenCalled());
      await expectFileNameToBe(props.name);
    });

    it('can change to a valid filename', async () => {
      const newName = 'newname.jsx';
      const props = renderFileNode('file');

      changeName(newName);

      await waitFor(() => expect(props.updateFileName).toHaveBeenCalledWith(props.id, newName));
      await expectFileNameToBe(newName);
    });

    it('must have an extension', async () => {
      const newName = 'newname';
      const props = renderFileNode('file');

      changeName(newName);

      await waitFor(() => expect(props.updateFileName).not.toHaveBeenCalled());
      await expectFileNameToBe(props.name);
    });

    it('can change to a different extension', async () => {
      const newName = 'newname.gif';
      const props = renderFileNode('file');

      changeName(newName);

      await waitFor(() => expect(props.updateFileName).not.toHaveBeenCalled());
      await expectFileNameToBe(props.name);
    });

    it('cannot be just an extension', async () => {
      const newName = '.jsx';
      const props = renderFileNode('file');

      changeName(newName);

      await waitFor(() => expect(props.updateFileName).not.toHaveBeenCalled());
      await expectFileNameToBe(props.name);
    });
  });

  describe('fileType: folder', () => {
    it('cannot change to an empty name', async () => {
      const props = renderFileNode('folder');

      changeName('');

      await waitFor(() => expect(props.updateFileName).not.toHaveBeenCalled());
      await expectFileNameToBe(props.name);
    });

    it('can change to another name', async () => {
      const newName = 'foldername';
      const props = renderFileNode('folder');

      changeName(newName);

      await waitFor(() => expect(props.updateFileName).toHaveBeenCalledWith(props.id, newName));
      await expectFileNameToBe(newName);
    });

    it('cannot have a file extension', async () => {
      const newName = 'foldername.jsx';
      const props = renderFileNode('folder');

      changeName(newName);

      await waitFor(() => expect(props.updateFileName).not.toHaveBeenCalled());
      await expectFileNameToBe(props.name);
    });
  });
});