using System;
using System.Collections.Generic;
using ln.types.odb.values;
using ln.logging;
using System.Linq;
namespace ln.types.odb.ng.storage.session
{
    public enum SessionSynchronisationStrategy
    {
        BIDIRECTIONAL,
        FORWARDONLY,
        REJECTCHANGED
    }

    public class SessionStorageContainer : IStorageContainer
	{
		public IStorageContainer StorageContainer { get; private set; }
		public Mapper ODBMapper { get; private set; }

        public SessionSynchronisationStrategy SynchronisationStrategy { get; set; } = SessionSynchronisationStrategy.REJECTCHANGED;

        public bool IsOpen => StorageContainer.IsOpen;

		public SessionStorageContainer(IStorageContainer storageContainer)
		{
			StorageContainer = storageContainer;
			ODBMapper = Mapper.Default;
		}

		private Dictionary<string, IStorage> storages = new Dictionary<string, IStorage>();
		public IStorage GetStorage(string storageName)
		{
			if (storages.ContainsKey(storageName))
				return storages[storageName];

			IStorage storage = StorageContainer.GetStorage(storageName);
			storages.Add(storageName, new SessionStorage(this,storage));

			if (!storage.IsOpen)
				storage.Open();

			return storages[storageName];
		}

		public IStorageContainer Open()
		{
			StorageContainer.Open();
            return this;
		}

		public void Close()
		{
			StorageContainer.Close();
		}

		public IEnumerable<string> GetStorageNames()
		{
			return StorageContainer.GetStorageNames();
		}

		public void Dispose()
		{
		}


	}
}