import Handsontable from 'handsontable'

// Handsontable physical/visual row helper functions for hiddenColumns support
// Problem: Custom renderers cause dirty rendering after hiding columns due to DOM reuse
// Solution: Use physical row index for data lookup

export const getPhysicalRowIndex = (instance: Handsontable.Core, visualRow: number): number => {
  const physicalRow = instance.toPhysicalRow(visualRow)
  return physicalRow >= 0 ? physicalRow : visualRow
}

export const getRowData = (instance: Handsontable.Core, visualRow: number): any | null => {
  const physicalRow = getPhysicalRowIndex(instance, visualRow)
  return (instance.getSourceDataAtRow(physicalRow) as any | null) ?? null
}

export const getCellValueByProp = (
  instance: Handsontable.Core,
  visualRow: number,
  visualColumn: number,
): { cellProp: string | number; cellValue: any; rowData: any | null } => {
  const cellProp = instance.colToProp(visualColumn)
  const rowData = getRowData(instance, visualRow)
  if (typeof cellProp === 'string' && rowData) {
    return { cellProp, cellValue: rowData[cellProp], rowData }
  }
  return {
    cellProp,
    cellValue: instance.getDataAtCell(visualRow, visualColumn),
    rowData,
  }
}