import { isFinite } from "lodash"
import CEILING from "./CEILING"
import NUM from "./NUM"

/**
 * Returns number rounded up to the nearest even integer
 * 
 * View Documentation - https://learn.fulcrumapp.com/dev/expressions/reference/even/
 * @param value (Number, required): number to evaluate
 * @returns number
 * @example
 * EVEN(-3.4) // returns -2
 */

export default function EVEN(value: number): number
export default function EVEN(value: string): number
export default function EVEN(value: any): number
export default function EVEN(value: any): number {
  value = NUM(value)
  // isFinite excludes NaN, Infinity, and -Infinity
  if (!isFinite(value)) { return NaN }

  return CEILING(value, -2)
}