import {
  DragAndDropContextProps,
  KeyboardBindings,
  TreeContextProps,
  TreeEnvironmentContextProps,
  TreeItemIndex,
} from "../types";

export const resolveLiveDescriptor = (
  descriptor: string,
  environment: TreeEnvironmentContextProps,
  dnd: DragAndDropContextProps,
  tree: TreeContextProps,
  keyboardBindings: Required<KeyboardBindings>
) => {
  const getItemTitle = (index: TreeItemIndex) => environment.getItemTitle(environment.items[index]);

  return descriptor.replace(/({[^\s}]+)}/g, (variableNameWithBrackets) => {
    const variableName = variableNameWithBrackets.slice(1, -1);
    switch (variableName) {
      case "treeLabel":
        return tree.treeLabel ?? "";
      case "renamingItem":
        return tree.renamingItem ? getItemTitle(tree.renamingItem) : "None";
      case "dragItems":
        return dnd.draggingItems?.map((item) => environment.getItemTitle(item)).join(", ") ?? "None";
      default:
        return "";
    }
  });
};