import merge from 'lodash/merge';

import { ESupportedPlotlyVis, VisColumn } from '../interfaces';
import { ISankeyConfig } from './interfaces';

const defaultConfig: ISankeyConfig = {
  type: ESupportedPlotlyVis.SANKEY,
  catColumnsSelected: [],
};

export function sankeyMergeDefaultConfig(columns: VisColumn[], config: ISankeyConfig): ISankeyConfig {
  const merged = merge({}, defaultConfig, config);
  return merged;
}