using System.Data;

namespace Connected.ServiceModel.Client.Data;
/// <summary>
/// Defines the transaction on the remote table storage.
/// </summary>
/// <remarks>
/// Connection write operations using this transaction are queued until
/// the <see cref="Commit"/> is called.
/// </remarks>
internal class TableTransaction : IDbTransaction
{
	/// <summary>
	/// Creates new <see cref="TableTransaction"/> object.
	/// </summary>
	/// <param name="connection">The storage connection associated with the transaction.</param>
	public TableTransaction(IDbConnection connection)
	{
		Connection = connection;
	}
	/// <summary>
	/// The storage connection that created the transaction.
	/// </summary>
	/// <remarks>
	/// Multiple connections can use the transaction, but only one is directly associated with the transaction.
	/// </remarks>
	public IDbConnection? Connection { get; }
	/// <summary>
	/// The isolation level of the transaction. It's always <see cref="IsolationLevel.Snapshot"/> on this transaction.
	/// </summary>
	public IsolationLevel IsolationLevel { get; } = IsolationLevel.Snapshot;
	/// <summary>
	/// Commits this transaction. This call actually performs a REST call to the remote service.
	/// </summary>
	/// <exception cref="NotImplementedException"></exception>
	public void Commit()
	{
		throw new NotImplementedException();
	}
	/// <summary>
	/// Disposes the <see cref="TableTransaction"/> object.
	/// </summary>
	public void Dispose()
	{
		/*
		 * Nothing really to do here.
		 */
	}
	/// <summary>
	/// Rolls back any changes made in this transaction.
	/// </summary>
	public void Rollback()
	{
		/*
		 * This call doesm't have to do enything since we weren't perform
		 * any calls to the remote service. We just discard the operations.
		 */
	}
}