import { downloadToCSV, downloadToPNG } from '../actions'
import type { ConfigProps } from '../loader/types'
import type { FormulaDownloadConfig, FormulaWidgetConfig } from './types'

/**
 * Creates download configuration for formula widgets, supporting PNG (screenshot) and CSV (data) exports.
 *
 * @param props - Configuration with `refUI` reference for PNG export.
 * @returns Array of download items for use with the Download action.
 */
export function formulaDownloadConfig({
  refUI,
}: ConfigProps): FormulaDownloadConfig {
  return [
    {
      ...downloadToPNG,
      modifier: () => downloadToPNG.modifier(refUI),
    },
    {
      ...downloadToCSV,
      modifier: async (data) => {
        const formulaData = [data?.map((item) => item.value) ?? []]
        return downloadToCSV.modifier(formulaData)
      },
    },
  ]
}

/**
 * Returns the default configuration for formula (single or multiple numeric value) widgets.
 *
 * @returns Default formula widget config with empty series.
 */
export function formulaConfig(): FormulaWidgetConfig {
  return {
    series: [],
  }
}