import { getIconByFileExtension } from "components/system/Files/FileEntry/functions";
import type { FolderActions } from "components/system/Files/FileManager/useFolder";
import type {
  SortBy,
  SortByOrder,
} from "components/system/Files/FileManager/useSortBy";
import { useFileSystem } from "contexts/fileSystem";
import { useMenu } from "contexts/menu";
import type { ContextMenuCapture } from "contexts/menu/useMenuContextState";
import { useCallback } from "react";
import { EMPTY_BUFFER, FOLDER_ICON, MENU_SEPERATOR } from "utils/constants";

const NEW_FOLDER = "New folder";
const NEW_TEXT_DOCUMENT = "New Text Document.txt";
const NEW_RTF_DOCUMENT = "New Rich Text Document.whtml";

const richTextDocumentIcon = getIconByFileExtension(".whtml");
const textDocumentIcon = getIconByFileExtension(".txt");

const updateSortBy =
  (value: SortBy, defaultIsAscending: boolean) =>
  ([sortBy, isAscending]: SortByOrder): SortByOrder =>
    [value, sortBy === value ? !isAscending : defaultIsAscending];

const useFolderContextMenu = (
  url: string,
  {
    addToFolder,
    newPath,
    pasteToFolder,
    sortByOrder: [[sortBy, isAscending], setSortBy],
  }: FolderActions
): ContextMenuCapture => {
  const { contextMenu } = useMenu();
  const { mapFs, pasteList = {}, updateFolder } = useFileSystem();
  const getItems = useCallback(() => {
    const ADD_FILE = { action: () => addToFolder(), label: "Add file" };
    const MAP_DIRECTORY = {
      action: () =>
        mapFs(url).then((mappedFolder) => updateFolder(url, mappedFolder)),
      label: "Map directory",
    };
    const FS_COMMANDS =
      typeof FileSystemHandle === "function"
        ? [ADD_FILE, MAP_DIRECTORY]
        : [ADD_FILE];

    return [
      {
        label: "Sort by",
        menu: [
          {
            action: () => setSortBy(updateSortBy("name", true)),
            label: "Name",
            toggle: sortBy === "name",
          },
          {
            action: () => setSortBy(updateSortBy("size", false)),
            label: "Size",
            toggle: sortBy === "size",
          },
          {
            action: () => setSortBy(updateSortBy("type", true)),
            label: "Item type",
            toggle: sortBy === "type",
          },
          {
            action: () => setSortBy(updateSortBy("date", false)),
            label: "Date modified",
            toggle: sortBy === "date",
          },
          MENU_SEPERATOR,
          {
            action: () => setSortBy(([value]) => [value, true]),
            label: "Ascending",
            toggle: isAscending,
          },
          {
            action: () => setSortBy(([value]) => [value, false]),
            label: "Descending",
            toggle: !isAscending,
          },
        ],
      },
      { action: () => updateFolder(url), label: "Refresh" },
      MENU_SEPERATOR,
      ...FS_COMMANDS,
      {
        action: () => pasteToFolder(),
        disabled: Object.keys(pasteList).length === 0,
        label: "Paste",
      },
      MENU_SEPERATOR,
      {
        label: "New",
        menu: [
          {
            action: () => newPath(NEW_FOLDER, undefined, true),
            icon: FOLDER_ICON,
            label: "Folder",
          },
          MENU_SEPERATOR,
          {
            action: () => newPath(NEW_RTF_DOCUMENT, EMPTY_BUFFER, true),
            icon: richTextDocumentIcon,
            label: "Rich Text Document",
          },
          {
            action: () => newPath(NEW_TEXT_DOCUMENT, EMPTY_BUFFER, true),
            icon: textDocumentIcon,
            label: "Text Document",
          },
        ],
      },
    ];
  }, [
    addToFolder,
    isAscending,
    mapFs,
    newPath,
    pasteList,
    pasteToFolder,
    setSortBy,
    sortBy,
    updateFolder,
    url,
  ]);

  return contextMenu?.(getItems);
};

export default useFolderContextMenu;