defmodule UnitFun do

  alias UnitFun.Components.Equality
  alias UnitFun.Components.Multiply
  alias UnitFun.Components.Divide
  alias UnitFun.Components.AddSubtract

  alias UnitFun.Units.UnitSimplifier
  alias UnitFun.UnitTypes

  def equal(left, right), do: Equality.equal(left, right) |> simplify
  def multiply(left, right), do: Multiply.multiply(left, right) |> simplify
  def divide(left, right), do: Divide.divide(left, right) |> simplify
  def add(left, right), do: AddSubtract.add(left, right) |> simplify
  def subtract(left, right), do: AddSubtract.subtract(left, right) |> simplify

  def with_units(value, units), do: UnitTypes.with_units(value, units)

  defp simplify(unit), do: UnitSimplifier.simplify_unit(unit)
end