import React, { ReactElement, MouseEvent } from 'react';
import clsx from 'clsx';
import { LinkButtonTheme } from './LinkButton';

export interface DefaultLinkButtonProps {
  hasLinkSelected: boolean;
  onRemoveLinkAtSelection(): void;
  onAddLinkClick(event: MouseEvent): void;
  theme?: LinkButtonTheme;
}

export default function DefaultLinkButton({
  hasLinkSelected,
  onRemoveLinkAtSelection,
  onAddLinkClick,
  theme,
}: DefaultLinkButtonProps): ReactElement {
  const className = clsx(theme?.button, hasLinkSelected && theme?.active);

  return (
    <div
      className={theme?.buttonWrapper}
      onMouseDown={(event: MouseEvent): void => {
        event.preventDefault();
      }}
    >
      <button
        className={className}
        onClick={hasLinkSelected ? onRemoveLinkAtSelection : onAddLinkClick}
        type="button"
        aria-label="create hypertext link"
      >
        <svg
          height="24"
          viewBox="0 0 24 24"
          width="24"
          xmlns="http://www.w3.org/2000/svg"
        >
          <path d="M0 0h24v24H0z" fill="none" />
          <path d="M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z" />
        </svg>
      </button>
    </div>
  );
}