#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;
using System.Collections;
#endregion

namespace Technosoftware.DaAeHdaClient.Da
{
	/// <summary>
	/// A collection of items.
	/// </summary>
	[Serializable]
	public class TsCDaItemCollection : ICloneable, IList
	{
		#region Fields
        private ArrayList items_ = new ArrayList();
        #endregion

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

		/// <summary>
		/// Initializes object with the specified ResultCollection object.
		/// </summary>
		public TsCDaItemCollection(TsCDaItemCollection items)
        {
            if (items == null)
            {
                return;
            }
            foreach (TsCDaItem item in items)
            {
                Add(item);
            }
        }
        #endregion

		#region Properties
        /// <summary>
		///  Gets the item at the specified index.
		/// </summary>
		public TsCDaItem this[int index]
		{
			get => (TsCDaItem)items_[index];
            set => items_[index] = value;
        }

		/// <summary>
		/// Gets the first item with the specified item id.
		/// </summary>
		public TsCDaItem this[OpcItem itemId]
		{
			get
			{
				foreach (TsCDaItem item in items_)
				{
					if (itemId.Key == item.Key)
					{
						return item;
					}
				}
                return null;
			}
		}
        #endregion

		#region ICloneable Members
        /// <summary>
		/// Creates a deep copy of the object.
		/// </summary>
		public virtual object Clone()
		{
			var clone = (TsCDaItemCollection)MemberwiseClone();

			clone.items_ = new ArrayList();

			foreach (TsCDaItem item in items_)
			{
				clone.items_.Add(item.Clone());
			}

			return clone;
		}
        #endregion

		#region ICollection Members
        /// <summary>
		/// Indicates whether access to the ICollection is synchronized (thread-safe).
		/// </summary>
		public bool IsSynchronized => false;

        /// <summary>
		/// Gets the number of objects in the collection.
		/// </summary>
		public int Count => items_?.Count ?? 0;

        /// <summary>
		/// Copies the objects to an Array, starting at a the specified index.
		/// </summary>
		/// <param name="array">The one-dimensional Array that is the destination for the objects.</param>
		/// <param name="index">The zero-based index in the Array at which copying begins.</param>
		public void CopyTo(Array array, int index)
        {
            items_?.CopyTo(array, index);
        }

		/// <summary>
		/// Copies the objects to an Array, starting at a the specified index.
		/// </summary>
		/// <param name="array">The one-dimensional Array that is the destination for the objects.</param>
		/// <param name="index">The zero-based index in the Array at which copying begins.</param>
		public void CopyTo(TsCDaItem[] array, int index)
		{
			CopyTo((Array)array, index);
		}

		/// <summary>
		/// Indicates whether access to the ICollection is synchronized (thread-safe).
		/// </summary>
		public object SyncRoot => this;
        #endregion

		#region IEnumerable Members
        /// <summary>
		/// Returns an enumerator that can iterate through a collection.
		/// </summary>
		/// <returns>An IEnumerator that can be used to iterate through the collection.</returns>
		public IEnumerator GetEnumerator()
		{
			return items_.GetEnumerator();
		}
        #endregion

		#region IList Members
        /// <summary>
		/// Gets a value indicating whether the IList is read-only.
		/// </summary>
		public bool IsReadOnly => false;

        /// <summary>
		/// Gets or sets the element at the specified index.
		/// </summary>
		object IList.this[int index]
		{
			get => items_[index];

            set
			{
				if (!typeof(TsCDaItem).IsInstanceOfType(value))
				{
					throw new ArgumentException("May only add Item objects into the collection.");
				}

				items_[index] = value;
			}
		}

		/// <summary>
		/// Removes the IList item at the specified index.
		/// </summary>
		/// <param name="index">The zero-based index of the item to remove.</param>
		public void RemoveAt(int index)
		{
			items_.RemoveAt(index);
		}

		/// <summary>
		/// Inserts an item to the IList at the specified position.
		/// </summary>
		/// <param name="index">The zero-based index at which value should be inserted.</param>
		/// <param name="value">The Object to insert into the IList. </param>
		public void Insert(int index, object value)
		{
			if (!typeof(TsCDaItem).IsInstanceOfType(value))
			{
				throw new ArgumentException("May only add Item objects into the collection.");
			}

			items_.Insert(index, value);
		}

		/// <summary>
		/// Removes the first occurrence of a specific object from the IList.
		/// </summary>
		/// <param name="value">The Object to remove from the IList.</param>
		public void Remove(object value)
		{
			items_.Remove(value);
		}

		/// <summary>
		/// Determines whether the IList contains a specific value.
		/// </summary>
		/// <param name="value">The Object to locate in the IList.</param>
		/// <returns>true if the Object is found in the IList; otherwise, false.</returns>
		public bool Contains(object value)
		{
			return items_.Contains(value);
		}

		/// <summary>
		/// Removes all items from the IList.
		/// </summary>
		public void Clear()
		{
			items_.Clear();
		}

		/// <summary>
		/// Determines the index of a specific item in the IList.
		/// </summary>
		/// <param name="value">The Object to locate in the IList.</param>
		/// <returns>The index of value if found in the list; otherwise, -1.</returns>
		public int IndexOf(object value)
		{
			return items_.IndexOf(value);
		}

		/// <summary>
		/// Adds an item to the IList.
		/// </summary>
		/// <param name="value">The Object to add to the IList. </param>
		/// <returns>The position into which the new element was inserted.</returns>
		public int Add(object value)
		{
			if (!typeof(TsCDaItem).IsInstanceOfType(value))
			{
				throw new ArgumentException("May only add Item objects into the collection.");
			}

			return items_.Add(value);
		}

		/// <summary>
		/// Indicates whether the IList has a fixed size.
		/// </summary>
		public bool IsFixedSize => false;

        /// <summary>
		/// Inserts an item to the IList at the specified position.
		/// </summary>
		/// <param name="index">The zero-based index at which value should be inserted.</param>
		/// <param name="value">The Object to insert into the IList. </param>
		public void Insert(int index, TsCDaItem value)
		{
			Insert(index, (object)value);
		}

		/// <summary>
		/// Removes the first occurrence of a specific object from the IList.
		/// </summary>
		/// <param name="value">The Object to remove from the IList.</param>
		public void Remove(TsCDaItem value)
		{
			Remove((object)value);
		}

		/// <summary>
		/// Determines whether the IList contains a specific value.
		/// </summary>
		/// <param name="value">The Object to locate in the IList.</param>
		/// <returns>true if the Object is found in the IList; otherwise, false.</returns>
		public bool Contains(TsCDaItem value)
		{
			return Contains((object)value);
		}

		/// <summary>
		/// Determines the index of a specific item in the IList.
		/// </summary>
		/// <param name="value">The Object to locate in the IList.</param>
		/// <returns>The index of value if found in the list; otherwise, -1.</returns>
		public int IndexOf(TsCDaItem value)
		{
			return IndexOf((object)value);
		}

		/// <summary>
		/// Adds an item to the IList.
		/// </summary>
		/// <param name="value">The Object to add to the IList. </param>
		/// <returns>The position into which the new element was inserted.</returns>
		public int Add(TsCDaItem value)
		{
			return Add((object)value);
		}
        #endregion
	}
}