import React from 'react';
import ReactDOM from 'react-dom';
import { cx, css } from 'emotion';

export const Button = React.forwardRef(
    ({ className, active, reversed, ...props }, ref) => (
        <span
          {...props}
          ref={ref}
          className={cx(
              className,
              css`
          cursor: pointer;
          color: ${reversed
            ? active
              ? 'white'
              : '#aaa'
            : active
            ? 'black'
            : '#ccc'};
        `
          )}
        />
    )
)

export const EditorValue = React.forwardRef(
    ({ className, value, ...props }, ref) => {
        const textLines = value.document.nodes
              .map(node => node.text)
              .toArray()
              .join('\n')
        return (
            <div
              ref={ref}
              {...props}
              className={cx(
                  className,
                  css`
            margin: 30px -20px 0;
          `
              )}
            >
              <div
                className={css`
            font-size: 14px;
            padding: 5px 20px;
            color: #404040;
            border-top: 2px solid #eeeeee;
            background: #f8f8f8;
          `}
              >
                Slate's value as text
              </div>
              <div
                className={css`
            color: #404040;
            font: 12px monospace;
            white-space: pre-wrap;
            padding: 10px 20px;
            div {
              margin: 0 0 0.5em;
            }
          `}
              >
                {textLines}
              </div>
            </div>
        )
    }
)

export const Icon = React.forwardRef(({ className, ...props }, ref) => (
    <span
      {...props}
      ref={ref}
      className={cx(
          'material-icons',
          className,
          css`
        font-size: 18px;
        vertical-align: text-bottom;
      `
      )}
    />
))

export const Instruction = React.forwardRef(({ className, ...props }, ref) => (
    <div
      {...props}
      ref={ref}
      className={cx(
          className,
          css`
        white-space: pre-wrap;
        margin: 0 -20px 10px;
        padding: 10px 20px;
        font-size: 14px;
        background: #f8f8e8;
      `
      )}
    />
))

export const Menu = React.forwardRef(({ className, ...props }, ref) => (
    <div
      {...props}
      ref={ref}
      className={cx(
          className,
          css`
        & > * {
          display: inline-block;
        }

        & > * + * {
          margin-left: 15px;
        }
      `
      )}
    />
))

export const Portal = ({ children }) => {
    return ReactDOM.createPortal(children, document.body)
}

export const Toolbar = React.forwardRef(({ className, ...props }, ref) => (
    <Menu
      {...props}
      ref={ref}
      className={cx(
          className,
          css`
        position: relative;
        padding: 1px 18px 17px;
        margin: 0 -20px;
        border-bottom: 2px solid #eee;
        margin-bottom: 20px;
      `
      )}
    />
))
