import { ICommand } from 'valor-unistore-undo';
import { SpreadSheetRuntime } from '../RuntimeContext';
import { IStoreState } from '../index.data';
import { setSelection } from '../store/actions/selection';
import { ID, ISelection } from '..';

export interface SelectCellCommandParams {
  id: ID;
}

interface IUndoContext {
  lastSelection: ISelection | null;
}

class SelectCellCommand extends ICommand<
  IStoreState,
  SelectCellCommandParams,
  IUndoContext,
  SpreadSheetRuntime
> {
  execute = () => {
    const state = this.store.getState();
    this.undoContext.lastSelection = {
      selectionType: state.selectionType,
      selectedCellRange: state.selectedCellRange,
      selectedRowRange: state.selectedRowRange,
      selectedColumnRange: state.selectedColumnRange,
    };

    const patchState = setSelection(this.store.getState(), 'cell', this.params.id);
    this.store.setState(patchState as IStoreState);
    return true;
  };

  undo = () => {
    if (!this.undoContext.lastSelection) return;

    this.store.setState(this.undoContext.lastSelection as IStoreState);
  };
}

export default SelectCellCommand;