using System.Numerics;
using ShippingCosts.Contracts;

namespace ShippingCosts.Implementations;

/// <summary>
///     A package with dimensions and weight
/// </summary>
/// <inheritdoc cref="IMeasuredBox"/>
public sealed class Package : IMeasuredBox
{
    private readonly int _width;
    private readonly int _height;
    private readonly int _depth;
    private readonly double _weight;

    public int Width
    {
        get => _width;
        init => _width = SanitizeValue(value);
    }

    public int Height
    {
        get => _height;
        init => _height = SanitizeValue(value);
    }

    public int Depth
    {
        get => _depth;
        init => _depth = SanitizeValue(value);
    }

    public double Weight
    {
        get => _weight;
        init => _weight = SanitizeValue(value);
    }

    private static T SanitizeValue<T>(T value) where T : INumber<T> => value > T.Zero ? value : T.Zero;
}