// @ts-nocheck
import { Align } from '@/constants';
import { getColumnWidth } from '@/utils';
import * as R from 'ramda';
import { useInventoryValuationContext } from './InventoryValuationProvider';

const getTableCellValueAccessor = (index) => `cells[${index}].value`;

const getReportColWidth = (data, accessor, headerText) => {
  return getColumnWidth(
    data,
    accessor,
    { magicSpacing: 10, minWidth: 100 },
    headerText,
  );
};

/**
 * Common column mapper.
 */
const commonAccessor = R.curry((data, column) => {
  const accessor = getTableCellValueAccessor(column.cell_index);

  return {
    key: column.key,
    Header: column.label,
    accessor,
    className: column.key,
    textOverview: true,
    align: Align.Left,
  };
});

/**
 * Numeric columns accessor.
 */
const numericColumnAccessor = R.curry((data, column) => {
  const accessor = getTableCellValueAccessor(column.cell_index);
  const width = getReportColWidth(data, accessor, column.label);

  return {
    ...column,
    align: Align.Right,
    width,
  };
});

/**
 * Item name column accessor.
 */
const itemNameColumnAccessor = R.curry((data, column) => {
  return {
    ...column,
    width: 240,
  }
});

/**
 * Dynamic column mapper.
 * @param {} data -
 * @param {} column -
 */
const dynamicColumnMapper = R.curry((data, column) => {
  const _commonAccessor = commonAccessor(data);
  const _numericColumnAccessor = numericColumnAccessor(data);
  const _itemNameColumnAccessor = itemNameColumnAccessor(data);

  return R.compose(
    R.when(R.pathEq(['key'], 'item_name'), _itemNameColumnAccessor),
    R.when(R.pathEq(['key'], 'quantity'), _numericColumnAccessor),
    R.when(R.pathEq(['key'], 'valuation'), _numericColumnAccessor),
    R.when(R.pathEq(['key'], 'average'), _numericColumnAccessor),
    _commonAccessor,
  )(column);
});

/**
 * Composes the fetched dynamic columns from the server to the columns to pass it 
 * to the table component.
 */
export const dynamicColumns = (columns, data) => {
  return R.map(dynamicColumnMapper(data), columns);
};

/**
 * Retrieves the table columns of inventory valuation sheet.
 */
export const useInventoryValuationColumns = () => {
  const { inventoryValuation } = useInventoryValuationContext();

  if (!inventoryValuation) {
    throw new Error('The inventory valuation is not loaded');
  }
  const { table } = inventoryValuation;

  return dynamicColumns(table.columns, table.rows);
};