import { EditContext, EditEvent } from './index.data';
import { ActionMeta } from 'xstate';
import * as R from 'rambda';
import { isPlainObject } from 'valor-app-utils';

export function wrapAction(
  f: (
    context: EditContext,
    { selectedRow, selectedCell, state }: EditEvent,
    meta?: ActionMeta<EditContext, EditEvent>,
  ) => any,
) {
  return {
    type: 'xstate.assign',
    assignment: f,
  };
}

function isIdle(stateValue: any) {
  return stateValue === 'idle';
}

function isSelecting(stateValue: any) {
  return (
    stateValue === 'selecting' || (isPlainObject(stateValue) && !R.isNil(stateValue.selecting))
  );
}

function isEditing(stateValue: any) {
  return stateValue === 'editing' || (isPlainObject(stateValue) && !R.isNil(stateValue.editing));
}

function isPicking(stateValue: any) {
  return true;
}

export const fsmPred = {
  isIdle,
  isSelecting,
  isEditing,
  isPicking,
};