import { sum } from 'valor-app-utils';
import * as R from 'rambda';
import { isNumberStr } from '../utils';

export function SUM(args: any[]) {
  const flatted = R.flatten(args).map(arg =>
    R.is(Number, arg) || isNumberStr(arg) ? parseFloat(arg) : arg,
  );
  if (process.env.NODE_ENV === 'development') {
    if (flatted.some(it => !R.is(Number, it))) {
      throw new Error(`sum方法仅接受dataType为number的参数:${JSON.stringify(args)}`);
    }
  }
  return sum(flatted);
}

export function ROUND(args: any[]) {
  const [target, digit] = args;
  if (!digit) {
    throw new Error(`round方法需要提供两个参数`);
  }
  return Math.round(target * Math.pow(10, digit)) / Math.pow(10, digit);
}