#region Copyright (c) 2011-2023 Technosoftware GmbH. All rights reserved
//-----------------------------------------------------------------------------
// Copyright (c) 2011-2023 Technosoftware GmbH. All rights reserved
// Web: https://www.technosoftware.com 
// 
// The source code in this file is covered under a dual-license scenario:
//   - Owner of a purchased license: SCLA 1.0
//   - GPL V3: everybody else
//
// SCLA license terms accompanied with this source code.
// See SCLA 1.0: https://technosoftware.com/license/Source_Code_License_Agreement.pdf
//
// GNU General Public License as published by the Free Software Foundation;
// version 3 of the License are accompanied with this source code.
// See https://technosoftware.com/license/GPLv3License.txt
//
// This source code is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE.
//-----------------------------------------------------------------------------
#endregion Copyright (c) 2011-2023 Technosoftware GmbH. All rights reserved

#region Using Directives
using System;
#endregion

namespace Technosoftware.DaAeHdaClient.Da
{

	/// <summary>
	/// Contains the value for a single item.
	/// </summary>
	[Serializable]
	public class TsCDaItemValue : OpcItem
	{
		#region Fields
        private TsCDaQuality daQuality_ = TsCDaQuality.Bad;
		private DateTime timestamp_ = DateTime.MinValue;
        #endregion

		#region Constructors, Destructor, Initialization
        /// <summary>
		/// Initializes the object with default values.
		/// </summary>
		public TsCDaItemValue() { }

		/// <summary>
		/// Initializes the object with and ItemIdentifier object.
		/// </summary>
		public TsCDaItemValue(OpcItem item)
        {
            if (item == null)
            {
                return;
            }
            ItemName = item.ItemName;
            ItemPath = item.ItemPath;
            ClientHandle = item.ClientHandle;
            ServerHandle = item.ServerHandle;
        }

		/// <summary>
		/// Initializes the object with the specified item name.
		/// </summary>
		public TsCDaItemValue(string itemName)
			: base(itemName)
		{
		}

		/// <summary>
		/// Initializes object with the specified ItemValue object.
		/// </summary>
		public TsCDaItemValue(TsCDaItemValue item)
			: base(item)
        {
            if (item == null)
            {
                return;
            }
            Value = OpcConvert.Clone(item.Value);
            Quality = item.Quality;
            QualitySpecified = item.QualitySpecified;
            Timestamp = item.Timestamp;
            TimestampSpecified = item.TimestampSpecified;
        }
        #endregion

		#region Properties
        /// <summary>
		/// The item value.
		/// </summary>
		public object Value { get; set; }

		/// <summary>
		/// The quality of the item value.
		/// </summary>
		public TsCDaQuality Quality
		{
			get => daQuality_;
            set => daQuality_ = value;
        }

		/// <summary>
		/// Whether the quality is specified.
		/// </summary>
		public bool QualitySpecified { get; set; }

		/// <summary>
		/// The timestamp for the item value.
		/// The <see cref="ApplicationInstance.TimeAsUtc">ApplicationInstance.TimeAsUtc</see> property defines
		/// the time format (UTC or local time).
		/// </summary>
		public DateTime Timestamp
		{
			get => timestamp_;
            set => timestamp_ = value;
        }

		/// <summary>
		/// Whether the timestamp is specified.
		/// </summary>
		public bool TimestampSpecified { get; set; }
        #endregion

		#region ICloneable Members
        /// <summary>
		/// Creates a deep copy of the object.
		/// </summary>
		public override object Clone()
		{
			var clone = (TsCDaItemValue)MemberwiseClone();
			clone.Value = OpcConvert.Clone(Value);
			return clone;
		}
        #endregion
	}
}