/*
 * Copyright © 2024 Hexastack. All rights reserved.
 *
 * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
 * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
 * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
 */

import React from 'react';

import { useColors } from '../../providers/ColorProvider';
import { TMessage } from '../../types/message.types';

import ButtonsMessage from './ButtonMessage';

import './ListMessage.scss';

interface ListMessageProps {
  messageList: TMessage;
}

const ListMessage: React.FC<ListMessageProps> = ({ messageList }) => {
  const { colors: allColors } = useColors();
  const processContent = (string: string) => {
    let result = truncate(string, 50);

    result = linebreak(string);

    return result;
  };
  const truncate = (string: string, length: number = 100) => {
    return string.length > length ? string.substr(0, length) + '...' : string;
  };
  const linebreak = (string: string) => {
    return string.replace(/\n/g, '<br />');
  };

  if (!('elements' in messageList.data)) {
    throw new Error('Unable to find elements');
  }

  const colors = allColors[messageList.direction || 'received'];

  return (
    <div
      className="sc-message--list"
      style={{
        color: colors.text,
        backgroundColor: colors.bg,
      }}
    >
      {messageList.data.elements.map((message, idx) => {
        const mode =
          idx === 0 &&
          'top_element_style' in messageList.data &&
          messageList.data.top_element_style === 'large'
            ? 'large'
            : 'compact';

        return (
          <div
            key={idx}
            className="sc-message--list-element"
            style={{ borderColor: allColors.messageList.bg }}
          >
            <div className={`sc-message--list-element-content ${mode}`}>
              {message.image_url && (
                <div
                  className="sc-message--list-element-image"
                  style={{ backgroundImage: `url('${message.image_url}')` }}
                >
                  {mode === 'large' && (
                    <div className="sc-message--list-element-description">
                      <h3 className="sc-message--title">{message.title}</h3>
                      {message.subtitle && (
                        <p
                          dangerouslySetInnerHTML={{
                            __html: processContent(message.subtitle),
                          }}
                        />
                      )}
                    </div>
                  )}
                </div>
              )}
              {mode === 'compact' && (
                <div className="sc-message--list-element-description">
                  <h3 className="sc-message--title">{message.title}</h3>
                  {message.subtitle && (
                    <p
                      dangerouslySetInnerHTML={{
                        __html: processContent(message.subtitle),
                      }}
                    />
                  )}
                </div>
              )}
            </div>
            {message.buttons && (
              <ButtonsMessage
                message={{ data: { buttons: message.buttons } } as TMessage}
              />
            )}
          </div>
        );
      })}
      {'buttons' in messageList.data &&
        Array.isArray(messageList.data.buttons) &&
        messageList.data.buttons.length > 0 && (
          <div className="sc-message--list-element-bottom">
            <ButtonsMessage message={messageList as TMessage} />
          </div>
        )}
    </div>
  );
};

export default ListMessage;