import { Edit3Icon, MoreVerticalIcon, TrashIcon, PlusIcon } from "lucide-react";
import { observer } from "mobx-react-lite";
import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip";
import { shortcutServiceClient } from "@/grpcweb";
import useAsyncEffect from "@/hooks/useAsyncEffect";
import { cn } from "@/lib/utils";
import { userStore } from "@/store/v2";
import memoFilterStore from "@/store/v2/memoFilter";
import { Shortcut } from "@/types/proto/api/v1/shortcut_service";
import { useTranslate } from "@/utils/i18n";
import showCreateShortcutDialog from "../CreateShortcutDialog";
import { Popover, PopoverContent, PopoverTrigger } from "../ui/popover";

const emojiRegex = /^(\p{Emoji_Presentation}|\p{Emoji}\uFE0F)$/u;

// Helper function to extract shortcut ID from resource name
// Format: users/{user}/shortcuts/{shortcut}
const getShortcutId = (name: string): string => {
  const parts = name.split("/");
  return parts.length === 4 ? parts[3] : "";
};

const ShortcutsSection = observer(() => {
  const t = useTranslate();
  const shortcuts = userStore.state.shortcuts;

  useAsyncEffect(async () => {
    await userStore.fetchShortcuts();
  }, []);

  const handleDeleteShortcut = async (shortcut: Shortcut) => {
    const confirmed = window.confirm("Are you sure you want to delete this shortcut?");
    if (confirmed) {
      await shortcutServiceClient.deleteShortcut({ name: shortcut.name });
      await userStore.fetchShortcuts();
    }
  };

  return (
    <div className="w-full flex flex-col justify-start items-start mt-3 px-1 h-auto shrink-0 flex-nowrap hide-scrollbar">
      <div className="flex flex-row justify-between items-center w-full gap-1 mb-1 text-sm leading-6 text-muted-foreground select-none">
        <span>{t("common.shortcuts")}</span>
        <TooltipProvider>
          <Tooltip>
            <TooltipTrigger asChild>
              <PlusIcon className="w-4 h-auto cursor-pointer" onClick={() => showCreateShortcutDialog({})} />
            </TooltipTrigger>
            <TooltipContent>
              <p>{t("common.create")}</p>
            </TooltipContent>
          </Tooltip>
        </TooltipProvider>
      </div>
      <div className="w-full flex flex-row justify-start items-center relative flex-wrap gap-x-2 gap-y-1">
        {shortcuts.map((shortcut) => {
          const shortcutId = getShortcutId(shortcut.name);
          const maybeEmoji = shortcut.title.split(" ")[0];
          const emoji = emojiRegex.test(maybeEmoji) ? maybeEmoji : undefined;
          const title = emoji ? shortcut.title.replace(emoji, "") : shortcut.title;
          const selected = memoFilterStore.shortcut === shortcutId;
          return (
            <div
              key={shortcutId}
              className="shrink-0 w-full text-sm rounded-md leading-6 flex flex-row justify-between items-center select-none gap-2 text-muted-foreground"
            >
              <span
                className={cn("truncate cursor-pointer opacity-80", selected && "text-primary font-medium")}
                onClick={() => (selected ? memoFilterStore.setShortcut(undefined) : memoFilterStore.setShortcut(shortcutId))}
              >
                {emoji && <span className="text-base mr-1">{emoji}</span>}
                {title.trim()}
              </span>
              <Popover>
                <PopoverTrigger asChild>
                  <MoreVerticalIcon className="w-4 h-auto shrink-0 opacity-40 cursor-pointer hover:opacity-70" />
                </PopoverTrigger>
                <PopoverContent align="end" alignOffset={-12}>
                  <div className="flex flex-col text-sm gap-0.5">
                    <button
                      onClick={() => showCreateShortcutDialog({ shortcut })}
                      className="flex items-center gap-2 px-2 py-1 text-left hover:bg-muted outline-none rounded"
                    >
                      <Edit3Icon className="w-4 h-auto" />
                      {t("common.edit")}
                    </button>
                    <button
                      onClick={() => handleDeleteShortcut(shortcut)}
                      className="flex items-center gap-2 px-2 py-1 text-left text-destructive hover:bg-muted outline-none rounded"
                    >
                      <TrashIcon className="w-4 h-auto" />
                      {t("common.delete")}
                    </button>
                  </div>
                </PopoverContent>
              </Popover>
            </div>
          );
        })}
      </div>
    </div>
  );
});

export default ShortcutsSection;