using System.IO;
using System.Reflection;
using MLAPI.Serialization.Pooled;

namespace MLAPI.Serialization
{
 /// <summary>
 /// AutoBitWritable implements IBitWritable and automatically serializes fields using reflection
 /// </summary>
 public abstract class AutoBitWritable : IBitWritable
 { 
 /// <summary>
 /// Writes the contents of the type instance to the stream
 /// </summary>
 /// <param name="stream">The stream to write to</param>
 public virtual void Write(Stream stream)
 {
 FieldInfo[] fields = SerializationManager.GetFieldsForType(GetType());

 using (PooledBitWriter writer = PooledBitWriter.Get(stream))
 {
 for (int i = 0; i < fields.Length; i++)
 {
 writer.WriteObjectPacked(fields[i].GetValue(this));
 }
 }
 }

 /// <summary>
 /// Reads the contents from the stream and applies it to the type instance
 /// </summary>
 /// <param name="stream">The stream to read from</param>
 public virtual void Read(Stream stream)
 {
 FieldInfo[] fields = SerializationManager.GetFieldsForType(GetType());

 using (PooledBitReader reader = PooledBitReader.Get(stream))
 {
 for (int i = 0; i < fields.Length; i++)
 {
 fields[i].SetValue(this, reader.ReadObjectPacked(fields[i].FieldType));
 }
 }
 }
 }
}