// Copyright 2017-2020 @polkadot/app-staking authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.

import React, { useState } from 'react';
import styled from 'styled-components';

import Tooltip from './Tooltip';

interface Props {
  className?: string;
  color: 'counter' | 'green' | 'blue' | 'gray' | 'normal' | 'purple' | 'red' | 'transparent';
  hover?: React.ReactNode;
  info?: React.ReactNode;
  isInline?: boolean;
  isSmall?: boolean;
  isTooltip?: boolean;
  onClick?: () => void;
}

let badgeId = 0;

function Badge ({ className = '', color = 'normal', hover, info, isInline, isSmall, isTooltip, onClick }: Props): React.ReactElement<Props> | null {
  const [trigger] = useState(`badge-hover-${Date.now()}-${badgeId++}`);
  const extraProps = isTooltip && hover
    ? { 'data-for': trigger, 'data-tip': true }
    : {};

  return (
    <div
      {...extraProps}
      className={`ui--Badge ${isInline ? 'isInline' : ''} ${isTooltip ? 'isTooltip' : ''} ${isSmall ? 'isSmall' : ''} ${onClick ? 'isClickable' : ''} ${color}Color ${className}`}
      onClick={onClick}
    >
      <div className='badge'>
        {info}
      </div>
      <div className='detail'>
        {hover}
      </div>
      {hover && (
        <Tooltip
          text={hover}
          trigger={trigger}
        />
      )}
    </div>
  );
}

export default React.memo(styled(Badge)`
  border-radius: 16px;
  box-shadow: 0 3px 3px rgba(0, 0, 0, 0.2);
  color: #eee;
  font-size: 12px;
  height: 22px;
  padding: 0 4px;
  text-align: center;
  width: 22px;
  min-width: 22px;

  &.isTooltip {
    cursor: help;
  }

  .ui--Icon {
    cursor: inherit !important;
    margin: 0;
    width: 1em;
  }

  &.isClickable {
    cursor: pointer;
  }

  &.isSmall {
    box-shadow: none;
    font-size: 10px;
    height: 16px;
    line-height: 16px;
    min-width: 16px;
    padding: 0;
    width: 16px;
  }

  &:not(.isInline) {
    display: flex;
    justify-content: center;
    margin-bottom: 0.25rem;
  }

  &.isInline {
    display: inline-block;
    margin-right: 0.25rem;
    vertical-align: middle;
  }

  &.blueColor {
    background: steelblue;
  }

  &.counterColor {
    background: red;
    margin: 0 0.5rem;
    vertical-align: middle;
  }

  &.grayColor {
    background: #eee !important;
    color: #aaa;
  }

  &.redColor {
    background: darkred;
  }

  &.greenColor {
    background: green;
  }

  &.purpleColor {
    background: indigo;
  }

  &.transparentColor {
    background: transparent;
    box-shadow: none;
  }

  & > * {
    line-height: 22px;
    overflow: hidden;
  }

  &.isSmall > * {
    line-height: 16px;
  }

  .detail {
    height: 0;
    width: 0;
  }

  &.expand {
    width: 300px;

    .badge {
      width: 0;
    }

    .detail {
      width: auto;
    }
  }
`);