import { useCallback, type FC, type SetStateAction } from 'react';
import { useIntl } from 'react-intl';
import { Heading, type HeadingProps, Icon } from '../../atoms';
import styles from './heading-button.module.scss';

export type HeadingButtonProps = Pick<HeadingProps, 'level'> & {
  /**
   * Set additional classnames to the button.
   */
  className?: string;
  /**
   * Accordion state.
   */
  expanded: boolean;
  /**
   * Callback function to set accordion state on click.
   */
  setExpanded: (value: SetStateAction<boolean>) => void;
  /**
   * Accordion title.
   */
  title: string;
};

/**
 * HeadingButton component
 *
 * Render a button as accordion title to toggle body.
 */
export const HeadingButton: FC<HeadingButtonProps> = ({
  className = '',
  expanded,
  level,
  setExpanded,
  title,
}) => {
  const intl = useIntl();
  const btnClass = `${styles.wrapper} ${className}`;
  const iconState = expanded ? 'minus' : 'plus';
  const titlePrefix = expanded
    ? intl.formatMessage({
        defaultMessage: 'Collapse',
        description: 'HeadingButton: title prefix (expanded state)',
        id: 'UX9Bu8',
      })
    : intl.formatMessage({
        defaultMessage: 'Expand',
        description: 'HeadingButton: title prefix (collapsed state)',
        id: 'bcyOgC',
      });

  const toggleExpand = useCallback(
    () => setExpanded((prev) => !prev),
    [setExpanded]
  );

  return (
    <button className={btnClass} onClick={toggleExpand} type="button">
      <Heading className={styles.heading} level={level}>
        {/* eslint-disable-next-line react/jsx-no-literals -- SR class allowed */}
        <span className="screen-reader-text">{titlePrefix} </span>
        {title}
      </Heading>
      <Icon className={styles.icon} shape={iconState} />
    </button>
  );
};