using System.Collections.Generic;
using System.IO;
using fis.Vid.Visuals;

namespace fis.Vid
{
    public class VinnoCarotid3DPhysicalData
    {
        /// <summary>
        /// Get cartid type.
        /// </summary>
        public CarotidType CarotidType { get; }

        /// <summary>
        /// Get vinno visual.
        /// </summary>
        public IList<VinnoVisual> VinnoVisuals { get; }

        /// <summary>
        /// Get vinno visual.
        /// </summary>
        public VinnoProbe VinnoProbe { get; }

        public VinnoCarotid3DPhysicalData(CarotidType carotidType, VinnoProbe vinnoProbe, IList<VinnoVisual> vinnoVisuals)
        {
            VinnoProbe = vinnoProbe;
            VinnoVisuals = vinnoVisuals;
            CarotidType = carotidType;
        }

        /// <summary>
        /// Convert to bytes.
        /// </summary>
        /// <returns>Bytes.</returns>
        public byte[] ToBytes()
        {
            using (var stream = new MemoryStream())
            {
                var writer = new VinnoStreamWriter(stream);
                writer.WriteByte((byte)CarotidType);
                writer.WriteBytes(VinnoProbe.ToBytes());
                writer.WriteByte((byte)VinnoVisuals.Count);
                foreach (var visual in VinnoVisuals)
                {
                    writer.WriteBytes(visual.ToBytes());
                }
                return stream.ToArray();
            }
        }

        /// <summary>
        /// From bytes.
        /// </summary>
        /// <param name="bytes">bytes.</param>
        /// <returns>Instance of vinno carotid 3d physical data.</returns>
        public static VinnoCarotid3DPhysicalData FromBytes(byte[] bytes)
        {
            using (var stream = new MemoryStream(bytes))
            {
                stream.Position = 0;
                var reader = new VinnoStreamReader(stream);
                var carotidType = (CarotidType)reader.ReadByte();
                var probe = VinnoProbe.FromBytes(reader.ReadBytes());
                var visualCount = reader.ReadByte();
                var visuals = new List<VinnoVisual>();
                for (int i = 0; i < visualCount; i++)
                {
                    var visual = VinnoVisual.FromBytes(reader.ReadBytes());
                    visuals.Add(visual);
                }
                return new VinnoCarotid3DPhysicalData(carotidType, probe, visuals);
            }
        }
    }
}