using System;

using FrostFS.SDK.Cryptography;

using Google.Protobuf;

namespace FrostFS.SDK;

public class SplitId
{
    private readonly Guid id;

    private ByteString? message;

    public SplitId()
    {
        this.id = Guid.NewGuid();
    }

    public SplitId(Guid id)
    {
        this.id = id;
    }

    private SplitId(byte[] binary)
    {
        this.id = new Guid(binary);
    }

    private SplitId(string str)
    {
        this.id = new Guid(str);
    }

    public static SplitId CreateFromBinary(byte[] binaryData)
    {
        return new SplitId(binaryData);
    }

    public static SplitId CreateFromString(string stringData)
    {
        return new SplitId(stringData);
    }

    public override string ToString()
    {
        return this.id.ToString();
    }

    public byte[]? ToBinary()
    {
        if (this.id == Guid.Empty)
            return null;

        return this.id.ToBytes();
    }

    public ByteString? GetSplitId()
    {
        return this.message ??= ByteString.CopyFrom(ToBinary());
    }
}