import React from 'react';

import { CodeBlock } from 'UI';

import stl from './contentRender.module.css';

const elType = {
  PARAGRAPH: 'paragraph',
  TEXT: 'text',
  QUOTE: 'blockquote',
  CODE_BLOCK: 'codeBlock',
  MENTION: 'mention',
  RULE: 'rule',
  HARD_BREAK: 'hardBreak',
};

const renderElement = (el, provider) => {
  if (provider === 'github') return el;

  switch (el.type) {
    case elType.PARAGRAPH:
      return (
        <p className={stl.para}>
          <ContentRender message={el} />
        </p>
      );
    case elType.QUOTE:
      return (
        <blockquote className={stl.quote}>
          <ContentRender message={el} />
        </blockquote>
      );
    case elType.CODE_BLOCK:
      return (
        <CodeBlock
          code={codeRender(el.content)[0]}
          language={el.attrs.language || ''}
        />
      );
    // return <CodeMirror
    //     className={ stl.codeMirror }
    //     value={ codeRender(el.content)[0] }
    //     options={{
    //         mode: el.attrs.language || '',
    //         theme: 'material',
    //         lineNumbers: true,
    //         readOnly: true,
    //         showCursorWhenSelecting: false,
    //         scroll: true
    //     }}
    // />
    case elType.MENTION:
      return <span className={stl.mention}>{`@${el.attrs.text}`}</span>;
    case elType.RULE:
      return <hr className={stl.rule} />;
    case elType.HARD_BREAK:
      return <br />;
    case elType.RULE:
      return <hr className={stl.rule} />;
    case elType.TEXT:
      return el.text;
  }
  return <ContentRender key={el.text} message={el} />;
};

const codeRender = (content) => content.map((el) => el.text);

const ContentRender = (props) => {
  const { message, provider } = props;
  return (
    <React.Fragment>
      {provider === 'github'
        ? message
        : message &&
          message.content &&
          message.content.map((el) => (
            <React.Fragment>{renderElement(el, provider)}</React.Fragment>
          ))}
    </React.Fragment>
  );
};

export default ContentRender;