import React from 'react';
import {
  Button,
  InputGroup,
  InputGroupItem,
  TextInput,
  Dropdown,
  DropdownList,
  DropdownItem,
  MenuToggle,
  MenuToggleElement
} from '@patternfly/react-core';

export const InputGroupWithDropdown: React.FunctionComponent = () => {
  const [isOpen, setIsOpen] = React.useState<boolean>(false);

  const onToggle = () => {
    setIsOpen(!isOpen);
  };

  const onSelect = () => {
    setIsOpen(false);
  };

  return (
    <React.Fragment>
      <InputGroup>
        <InputGroupItem>
          <Dropdown
            isOpen={isOpen}
            onSelect={onSelect}
            onOpenChange={(isOpen: boolean) => setIsOpen(isOpen)}
            toggle={(toggleRef: React.Ref<MenuToggleElement>) => (
              <MenuToggle ref={toggleRef} onClick={onToggle} isExpanded={isOpen}>
                Dropdown
              </MenuToggle>
            )}
          >
            <DropdownList>
              <DropdownItem value={0} key="option1">
                Option 1
              </DropdownItem>
              <DropdownItem value={1} key="option2">
                Option 2
              </DropdownItem>
              <DropdownItem value={2} key="option3">
                Option 3
              </DropdownItem>
            </DropdownList>
          </Dropdown>
        </InputGroupItem>
        <InputGroupItem isFill>
          <TextInput id="textInput-with-dropdown" aria-label="input with dropdown and button" />
        </InputGroupItem>
        <InputGroupItem>
          <Button id="inputDropdownButton1" variant="control">
            Button
          </Button>
        </InputGroupItem>
      </InputGroup>
    </React.Fragment>
  );
};