import { isNumber } from '@slickgrid-universal/utils';
import { type SearchTerm } from '../enums/index.js';
import type { FilterCondition, FilterConditionOption } from '../interfaces/index.js';
import { testFilterCondition } from './filterUtilities.js';

/** Execute filter condition check on each cell */
export const executeNumberFilterCondition: FilterCondition = ((options: FilterConditionOption, parsedSearchValues: number[]) => {
  const cellValue = parseFloat(options.cellValue);
  const [searchValue1, searchValue2] = parsedSearchValues;

  if (searchValue1 === undefined && !options.operator) {
    return true;
  }

  if (searchValue1 !== undefined && searchValue2 !== undefined) {
    let operator = options?.operator ?? options.defaultFilterRangeOperator;
    if (operator !== 'RangeInclusive' && operator !== 'RangeExclusive') {
      operator = options.defaultFilterRangeOperator;
    }
    const isInclusive = operator === 'RangeInclusive';
    const resultCondition1 = testFilterCondition(isInclusive ? '>=' : '>', cellValue, +searchValue1);
    const resultCondition2 = testFilterCondition(isInclusive ? '<=' : '<', cellValue, +searchValue2);
    return resultCondition1 && resultCondition2;
  }
  return testFilterCondition(options.operator || '==', cellValue, +searchValue1);
}) as FilterCondition;

/**
 * From our search filter value(s), get the parsed value(s).
 * This is called only once per filter before running the actual filter condition check on each cell
 */
export function getFilterParsedNumbers(inputSearchTerms: SearchTerm[] | undefined): number[] {
  const defaultSearchTerm = 0; // when nothing is provided, we'll default to 0
  const searchTerms = (Array.isArray(inputSearchTerms) && inputSearchTerms) || [defaultSearchTerm];
  const parsedSearchValues: number[] = [];
  let searchValue1;
  let searchValue2;
  if (searchTerms.length === 2 || (typeof searchTerms[0] === 'string' && (searchTerms[0] as string).indexOf('..') > 0)) {
    const searchValues = searchTerms.length === 2 ? searchTerms : (searchTerms[0] as string).split('..');
    searchValue1 = parseFloat(Array.isArray(searchValues) ? (searchValues[0] as string) : '');
    searchValue2 = parseFloat(Array.isArray(searchValues) ? (searchValues[1] as string) : '');
  } else {
    searchValue1 = parseFloat(searchTerms[0] as string);
  }

  if (isNumber(searchValue1, true) && isNumber(searchValue2, true)) {
    parsedSearchValues.push(searchValue1 as number, searchValue2 as number);
  } else if (isNumber(searchValue1, true)) {
    parsedSearchValues.push(searchValue1 as number);
  }
  return parsedSearchValues;
}