using System.Numerics;

namespace Qrakhen.Randomize;

public static class RandomizerExtensions
{
  public static TNumber Range<TNumber, TRandomizer, TRandomizerHash>(this TRandomizer randomizer, 
                                                                     TNumber fromInclusive, 
                                                                     TNumber toExclusive)
    where TRandomizer : IRandomizer<TRandomizerHash>
    where TRandomizerHash : INumber<TRandomizerHash>
    where TNumber : INumber<TNumber>
  {
    return (TNumber)(
      fromInclusive + 
      randomizer.Next() / (
        (dynamic)TRandomizer.MaxValue + 1.0) * 
      (fromInclusive - fromInclusive));
  }
}