import React from 'react'
import styled, { css } from 'styled-components'
import PropTypes from 'prop-types'
import DropDownItem from '../drop-down-item'
import DropDown from '../drop-down'
import IconButton from '../icon-button'
import Backdrop from '../backdrop'
import Aside from '../aside'
import Heading from '../heading'
import Text from '../text'
import Link from '../link'
import { desktop } from '../../utils/device'
import throttle from "lodash/throttle";

const StyledOuter = styled.div`
  display: inline-block;
  position: relative;
  cursor: pointer;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
`;

const Content = styled.div`
  box-sizing: border-box;
  position: relative;
  width: 100%;
  background-color: #fff;
  padding: 0 16px 16px;

  .header {
    max-width: 500px;
    margin: 0;
    line-height: 56px;
    font-weight: 700 !important;
  }
`;

const Header = styled.div`
  display: flex;
  align-items: center;
  border-bottom: 1px solid #dee2e6;
`;

const Body = styled.div`
  position: relative;
  padding: 16px 0;
  display: flex;
  flex-direction: column;

  .context-menu-button_link {
    margin-top: 16px;
  }

  .context-menu-button_link-header:not(:first-child) {
    margin-top: 32px;
  }
`;

class ContextMenuButton extends React.Component {
  constructor(props) {
    super(props);

    this.ref = React.createRef();

    this.state = {
      isOpen: props.opened,
      data: props.data,
      displayType: props.displayType
    };
    this.throttledResize = throttle(this.resize, 300);
  }

  getTypeByWidth = () => {
    if (this.props.displayType !== "auto") return this.props.displayType;
    return window.innerWidth < desktop.match(/\d+/)[0] ? "aside" : "dropdown";
  };

  resize = () => {
    if (this.props.displayType !== "auto") return;
    const type = this.getTypeByWidth();
    if (type === this.state.displayType) return;
    this.setState({ displayType: type });
  };

  popstate = () => {
    window.removeEventListener("popstate", this.popstate, false);
    this.onClose();
    window.history.go(1);
  };

  componentDidMount() {
    window.addEventListener("resize", this.throttledResize);
  }

  componentWillUnmount() {
    window.removeEventListener("resize", this.throttledResize);
  }

  stopAction = (e) => e.preventDefault();
  toggle = (isOpen) => this.setState({ isOpen: isOpen });
  onClose = () => this.setState({ isOpen: !this.state.isOpen });

  componentDidUpdate(prevProps) {
    if (this.props.opened !== prevProps.opened) {
      this.toggle(this.props.opened);
    }

    if (this.props.opened && this.state.displayType === "aside") {
      window.addEventListener("popstate", this.popstate, false);
    }

    if (this.props.displayType !== prevProps.displayType) {
      this.setState({displayType: this.getTypeByWidth()});
    }
  }

  onIconButtonClick = () => {
    if (this.props.isDisabled) {
      this.stopAction;
      return;
    }

    this.setState({
      data: this.props.getData(),
      isOpen: !this.state.isOpen
    }, () => !this.props.isDisabled && this.state.isOpen && this.props.onClick && this.props.onClick());
  }

  clickOutsideAction = (e) => {
    if (this.ref.current.contains(e.target)) return;
    
    this.onIconButtonClick();
  }

  onDropDownItemClick = (item, e) => {
    item.onClick && item.onClick(e);
    this.toggle(!this.state.isOpen);
  }

  shouldComponentUpdate(nextProps, nextState) {
    if (this.props.opened === nextProps.opened && this.state.isOpen === nextState.isOpen) {
      return false;
    }
    return true;
  }

  render() {
    //console.log("ContextMenuButton render");
    const {
      className,
      clickColor,
      color,
      columnCount,
      directionX,
      directionY,
      hoverColor,
      iconClickName,
      iconHoverName,
      iconName,
      iconOpenName,
      id,
      isDisabled,
      onMouseEnter,
      onMouseLeave,
      onMouseOut,
      onMouseOver,
      size,
      style,
      isFill,
      asideHeader
    } = this.props;

    const { isOpen, displayType } = this.state;
    const iconButtonName = isOpen && iconOpenName ? iconOpenName : iconName;
    return (
      <StyledOuter ref={this.ref} className={className} id={id} style={style}>
        <IconButton
          color={color}
          hoverColor={hoverColor}
          clickColor={clickColor}
          size={size}
          iconName={iconButtonName}
          iconHoverName={iconHoverName}
          iconClickName={iconClickName}
          isFill={isFill}
          isDisabled={isDisabled}
          onClick={this.onIconButtonClick}
          onMouseEnter={onMouseEnter}
          onMouseLeave={onMouseLeave}
          onMouseOver={onMouseOver}
          onMouseOut={onMouseOut}
        />
        {displayType === 'dropdown' ? 
          <DropDown 
            directionX={directionX}
            directionY={directionY}
            open={isOpen}
            clickOutsideAction={this.clickOutsideAction}
            columnCount={columnCount}
          >
            {
              this.state.data.map((item, index) =>
                (item && (item.label || item.icon || item.key)) && (
                  <DropDownItem {...item} key={item.key || index} onClick={this.onDropDownItemClick.bind(this, item)} />
                )
              )
            }
          </DropDown>
          : <>
              <Backdrop
                onClick={this.onClose}
                visible={isOpen}
                zIndex={310}
              />
              <Aside visible={isOpen} scale={false} zIndex={310}>
                <Content>
                  <Header>
                    <Heading className="header" size="medium" truncate={true}>
                      {asideHeader}
                    </Heading>
                  </Header>
                  <Body>
                    {this.state.data.map((item, index) =>
                      (item && (item.label || item.icon || item.key)) && (
                      <Link
                        className={`context-menu-button_link${item.isHeader ? '-header' : ''}`}
                        key={item.key || index}
                        fontSize={item.isHeader ? '15px' : '13px'}
                        noHover={item.isHeader}
                        fontWeight={600}
                        onClick={this.onDropDownItemClick.bind(this, item)}
                      >
                        {item.label}
                      </Link>
                      ))}
                  </Body>
                </Content>
              </Aside>
          </>
      }
      </StyledOuter>
    );
  }
}

ContextMenuButton.propTypes = {
  opened: PropTypes.bool,
  data: PropTypes.array,
  getData: PropTypes.func.isRequired,
  title: PropTypes.string,
  iconName: PropTypes.string,
  size: PropTypes.number,
  color: PropTypes.string,
  isDisabled: PropTypes.bool,

  hoverColor: PropTypes.string,
  clickColor: PropTypes.string,

  iconHoverName: PropTypes.string,
  iconClickName: PropTypes.string,
  iconOpenName: PropTypes.string,

  onMouseEnter: PropTypes.func,
  onMouseLeave: PropTypes.func,
  onMouseOver: PropTypes.func,
  onMouseOut: PropTypes.func,

  directionX: PropTypes.string,
  directionY: PropTypes.string,

  className: PropTypes.string,
  id: PropTypes.string,
  style: PropTypes.oneOfType([PropTypes.object, PropTypes.array]),
  columnCount: PropTypes.number,
  displayType: PropTypes.string
};

ContextMenuButton.defaultProps = {
  opened: false,
  data: [],
  title: '',
  iconName: 'VerticalDotsIcon',
  size: 16,
  isDisabled: false,
  directionX: 'left',
  isFill: false,
  displayType: 'dropdown'
};

export default ContextMenuButton