using System;
using InABox.Core;

namespace InABox.Rpc
{
    public class RpcQueryDefinition : ISerializeBinary
    {
        public String? Key { get; set; }
        public Type Type { get; set; }
        public IFilter? Filter { get; set; }
        public IColumns? Columns { get; set; }
        public ISortOrder? Sort { get; set; }
        
        public void SerializeBinary(CoreBinaryWriter writer)
        {
            writer.Write(Key ?? "");
            writer.Write(Type.EntityName());
            writer.Write(Filter != null);
            if (Filter != null)
                Filter.SerializeBinary(writer);
            writer.Write(Columns != null);
            if (Columns != null)
                Columns.SerializeBinary(writer);
            writer.Write(Sort != null);
            if (Sort != null)
                Sort.SerializeBinary(writer);
        }

        public void DeserializeBinary(CoreBinaryReader reader)
        {
            Key = reader.ReadString();
            var type = reader.ReadString();
            Type = CoreUtils.GetEntity(type);
            if (reader.ReadBoolean())
            {
                var filtertype = typeof(Filter<>).MakeGenericType(Type);
                Filter = Activator.CreateInstance(filtertype) as IFilter;
                Filter?.DeserializeBinary(reader);
            }
            if (reader.ReadBoolean())
            {
                var columnstype = typeof(Columns<>).MakeGenericType(Type);
                Columns = Activator.CreateInstance(columnstype) as IColumns;
                Columns?.DeserializeBinary(reader);
            }
            if (reader.ReadBoolean())
            {
                var sorttype = typeof(SortOrder<>).MakeGenericType(Type);
                Sort = Activator.CreateInstance(sorttype) as ISortOrder;
                Sort?.DeserializeBinary(reader);
            }
            
        }
    }
}