import data, { type Emoji as TEmoji, EmojiMartData } from "@emoji-mart/data";
import FuzzySearch from "fuzzy-search";
import capitalize from "lodash/capitalize";
import snakeCase from "lodash/snakeCase";
import React from "react";
import EmojiMenuItem from "./EmojiMenuItem";
import SuggestionsMenu, {
  Props as SuggestionsMenuProps,
} from "./SuggestionsMenu";

type Emoji = {
  name: string;
  title: string;
  emoji: string;
  description: string;
  attrs: { markup: string; "data-name": string };
};

const searcher = new FuzzySearch<TEmoji>(
  Object.values((data as EmojiMartData).emojis),
  ["keywords"],
  {
    caseSensitive: true,
    sort: true,
  }
);

type Props = Omit<
  SuggestionsMenuProps<Emoji>,
  "renderMenuItem" | "items" | "onLinkToolbarOpen" | "embeds" | "trigger"
>;

const EmojiMenu = (props: Props) => {
  const { search = "" } = props;

  const items = React.useMemo(() => {
    const n = search.toLowerCase();
    const result = searcher.search(n).map((item) => {
      // We snake_case the shortcode for backwards compatability with gemoji to
      // avoid multiple formats being written into documents.
      const shortcode = snakeCase(item.id);
      const emoji = item.skins[0].native;

      return {
        name: "emoji",
        title: emoji,
        description: capitalize(item.name.toLowerCase()),
        emoji,
        attrs: { markup: shortcode, "data-name": shortcode },
      };
    });

    return result.slice(0, 10);
  }, [search]);

  return (
    <SuggestionsMenu
      {...props}
      trigger=":"
      filterable={false}
      renderMenuItem={(item, _index, options) => (
        <EmojiMenuItem
          onClick={options.onClick}
          selected={options.selected}
          title={item.description}
          emoji={item.emoji}
        />
      )}
      items={items}
    />
  );
};

export default EmojiMenu;