# All files / components/Header index.js

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     import React from 'react';
    import PropTypes from 'prop-types';

    import styled from 'styled-components';
    import { Icon } from 'react-icons-kit';
    import { ic_keyboard_arrow_down as KeboardArrowDown } from 'react-icons-kit/md/ic_keyboard_arrow_down';
    import { ic_menu as Menu } from 'react-icons-kit/md/ic_menu';
    import { headerMenuButton } from '../../utils/style';

    import Avatar from '../Avatar';

    const MdKeyboardArrowDown = (props) => <Icon icon={KeboardArrowDown} {...props} />;
    const MdMenu = (props) => <Icon icon={Menu} {...props} />;

    const StyledAvatarContainer = styled.div`
      margin-bottom: 10px;
    `;

    const StyledHeaderContainer = styled.div`
      display: flex;
      justify-content: space-between;
    `;

    const StyledLeftDiv = styled.div`
      flex: 1;
      display: flex;
      margin-right: auto;
      justify-content: flex-start;
      min-width: 50px;
    `;

    const StyledCenterDiv = styled.div`
      display: flex;
      flex-grow: 1;
      flex-wrap: wrap;
      justify-content: center;
      align-items: center;
    `;

    const StyledRightDiv = styled.div`
      flex: 1;
      display: flex;
      margin-left: auto;
      justify-content: flex-end;
      min-width: 50px;
    `;

    const StyledHeaderTitle = styled.h4`
      display: flex;
      flex-basis: 100%;
      justify-content: center;
    `;

    const StyledHeaderSubTitle = styled.span`
      display: flex;
      flex-basis: 100%;
      justify-content: center;
    `;

    const StyledButtonContainer = styled.div`
      ${headerMenuButton('51px')};
    `;
    StyledButtonContainer.displayName = 'StyledButtonContainer';

    const Header = ({
      title, subtitle, person, toggleChat, openMenu, showMinimizeButton, showMenuButton, leftButtons, rightButtons,
    }) => {
      const { avatar = false, status = '' } = person;
      return (
        <StyledHeaderContainer>
          <StyledLeftDiv>
            {showMenuButton
            && (
              <StyledButtonContainer onClick={openMenu}>
                <MdMenu size={20} />
              </StyledButtonContainer>
            )}
            {leftButtons.map((btn) => (
              <StyledButtonContainer onClick={btn.onClick}>
                {btn.icon}
              </StyledButtonContainer>
            ))}
          </StyledLeftDiv>

          <StyledCenterDiv>
            {avatar
              && (
                <StyledAvatarContainer>
                  <Avatar
                    src={avatar}
                    size="medium"
                    withStatus={status.length > 0}
                    status={status}
                  />
                </StyledAvatarContainer>
              )
            }
            {title && <StyledHeaderTitle>{title}</StyledHeaderTitle>}
            {subtitle && <StyledHeaderSubTitle>{subtitle}</StyledHeaderSubTitle>}
          </StyledCenterDiv>

          <StyledRightDiv>
            {rightButtons.map((btn) => (
              <StyledButtonContainer onClick={btn.onClick}>
                {btn.icon}
              </StyledButtonContainer>
            ))}

            {showMinimizeButton
              && (
                <StyledButtonContainer onClick={toggleChat}>
                  <MdKeyboardArrowDown size={20} />
                </StyledButtonContainer>
              )
            }
          </StyledRightDiv>
        </StyledHeaderContainer>
      );
    };

    Header.propTypes = {
      title: PropTypes.string,
      subtitle: PropTypes.string,
      person: PropTypes.shape({
        avatar: PropTypes.string,
        status: PropTypes.string,
        email: PropTypes.string,
        type: PropTypes.string,
      }),
      toggleChat: PropTypes.func,
      openMenu: PropTypes.func,
      showMinimizeButton: PropTypes.bool,
      showMenuButton: PropTypes.bool,
      leftButtons: PropTypes.arrayOf(PropTypes.shape({
        onClick: PropTypes.func,
        icon: PropTypes.node,
      })),
      rightButtons: PropTypes.arrayOf(PropTypes.shape({
        onClick: PropTypes.func,
        icon: PropTypes.node,
      })),
    };

    Header.defaultProps = {
      title: '',
      subtitle: '',
      person: {},
      toggleChat: null,
      openMenu: null,
      showMinimizeButton: true,
      showMenuButton: true,
      leftButtons: [],
      rightButtons: [],
    };

    Header.displayName = 'Header';

    export default Header;