import type { RoundingMode } from 'big.js';
import Big from 'big.js';

Big.DP = 100;
Big.NE = -100;
Big.PE = 100;

export function mul(a: NumericValue, b: NumericValue) {
  return toBig(a).times(toBig(b)).toString();
}

export function mulDiv(a: NumericValue, b: NumericValue, c: NumericValue) {
  return toBig(a).times(toBig(b)).div(toBig(c)).toString();
}

export function div(a: NumericValue, b: NumericValue) {
  return toBig(a).div(toBig(b)).toString();
}

export function sub(a: NumericValue, b: NumericValue) {
  return toBig(a).sub(toBig(b)).toString();
}

export function add(a: NumericValue, b: NumericValue) {
  return toBig(a).plus(toBig(b)).toString();
}

export function gt(a: NumericValue, b: NumericValue) {
  return toBig(a).gt(toBig(b));
}

export function gte(a: NumericValue, b: NumericValue) {
  return toBig(a).gte(toBig(b));
}

export function lt(a: NumericValue, b: NumericValue) {
  return toBig(a).lt(toBig(b));
}

export function lte(a: NumericValue, b: NumericValue) {
  return toBig(a).lte(toBig(b));
}

export function eq(a: NumericValue, b: NumericValue) {
  return toBig(a).eq(toBig(b));
}

export function toBig(value: NumericValue): Big {
  return new Big(value.toString());
}

export function toFixed(a: NumericValue, precision: number = 2, roundingMode: RoundingMode = 3) {
  return new Big(a.toString()).toFixed(precision, roundingMode);
}

export function toNumber(a: NumericValue) {
  return new Big(a.toString()).toNumber();
}

export function toString(a: NumericValue) {
  return new Big(a.toString()).toString();
}

export function abs(a: NumericValue) {
  return new Big(a.toString()).abs().toString();
}

export function pow(a: NumericValue, exp: number) {
  return new Big(a.toString()).pow(exp).toString();
}

export function sqrt(a: NumericValue) {
  return new Big(a.toString()).sqrt().toString();
}

export function toBigInt(a: NumericValue) {
  return BigInt(a);
}