laatzen/Common/SIRTBroadcaster.Client/Values/RadioAddress.cs

namespace SIRTBroadcaster.Abstraction.Values
{
    using Newtonsoft.Json;

    using System;
    using System.Collections;
    using System.Collections.Generic;

    [JsonConverter(typeof(RadioAddressConverter))]
    public struct RadioAddress : IEnumerable<byte>
    {
        private readonly uint radioAddress;
        private readonly byte[] addressBytes;

        public RadioAddress(uint radioAddress)
        {
            this.radioAddress = radioAddress;

            var bytes = BitConverter.GetBytes(radioAddress);

            this.addressBytes = new byte[]
            {
                bytes[3],
                bytes[2],
                bytes[1],
                bytes[0],
            };
        }

        public RadioAddress(byte[] addressBytes)
        {
            this.addressBytes = addressBytes;
            this.radioAddress = BitConverter.ToUInt32(addressBytes, 0);
        }

        public int Length => this.addressBytes.Length;

        public IEnumerator<byte> GetEnumerator()
        {
            foreach (var @byte in this.addressBytes)
            {
                yield return @byte;
            }
        }

        IEnumerator IEnumerable.GetEnumerator()
            => this.GetEnumerator();

        public static implicit operator RadioAddress (uint radioAddress) 
            => new RadioAddress(radioAddress);

        public static implicit operator uint (RadioAddress radioAddress)
            => radioAddress.radioAddress;

        public static implicit operator RadioAddress (byte[] addressBytes)
            => new RadioAddress(addressBytes);

        public static implicit operator byte[] (RadioAddress radioAddress) 
            => radioAddress.addressBytes;
    }

    public class RadioAddressConverter : JsonConverter
    {
        public override Boolean CanConvert(Type type)
        {
            return true;
        }

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (existingValue is RadioAddress radioAddress)
            {
                return radioAddress;
            }

            return default(uint);
        }

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            if (value is RadioAddress radioAddress)
            {
                writer.WriteValue((uint)radioAddress);
            }
        }
    }
}