#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 subscriptions.</summary>
	[Serializable]
	public class TsCDaSubscriptionCollection : ICollection, ICloneable, IList
	{
		///////////////////////////////////////////////////////////////////////
		#region Fields

		private ArrayList _subscriptions = new ArrayList();

		#endregion

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

		/// <summary>
		/// Initializes object with the specified SubscriptionCollection object.
		/// </summary>
		public TsCDaSubscriptionCollection(TsCDaSubscriptionCollection subscriptions)
		{
			if (subscriptions != null)
			{
				foreach (TsCDaSubscription subscription in subscriptions)
				{
					Add(subscription);
				}
			}
		}

		#endregion

		///////////////////////////////////////////////////////////////////////
		#region Properties

		/// <summary>
		///  Gets the item at the specified index.
		/// </summary>
		public TsCDaSubscription this[int index]
		{
			get => (TsCDaSubscription)_subscriptions[index];
            set => _subscriptions[index] = value;
        }

		#endregion

		///////////////////////////////////////////////////////////////////////
		#region ICloneable Members

		/// <summary>
		/// Creates a deep copy of the object.
		/// </summary>
		public virtual object Clone()
		{
			var clone = (TsCDaSubscriptionCollection)MemberwiseClone();

			clone._subscriptions = new ArrayList();

			foreach (TsCDaSubscription subscription in _subscriptions)
			{
				clone._subscriptions.Add(subscription.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 => (_subscriptions != null) ? _subscriptions.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)
		{
			if (_subscriptions != null)
			{
				_subscriptions.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(TsCDaSubscription[] 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 _subscriptions.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 => _subscriptions[index];

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

				_subscriptions[index] = value;
			}
		}

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

		/// <summary>
		/// Inserts an subscription 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(TsCDaSubscription).IsInstanceOfType(value))
			{
				throw new ArgumentException("May only add Subscription objects into the collection.");
			}

			_subscriptions.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)
		{
			_subscriptions.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 _subscriptions.Contains(value);
		}

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

		/// <summary>
		/// Determines the index of a specific subscription 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 _subscriptions.IndexOf(value);
		}

		/// <summary>
		/// Adds an subscription 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(TsCDaSubscription).IsInstanceOfType(value))
			{
				throw new ArgumentException("May only add Subscription objects into the collection.");
			}

			return _subscriptions.Add(value);
		}

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

        /// <summary>
		/// Inserts an subscription 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, TsCDaSubscription 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(TsCDaSubscription 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(TsCDaSubscription value)
		{
			return Contains((object)value);
		}

		/// <summary>
		/// Determines the index of a specific subscription 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(TsCDaSubscription value)
		{
			return IndexOf((object)value);
		}

		/// <summary>
		/// Adds an subscription 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(TsCDaSubscription value)
		{
			return Add((object)value);
		}

		#endregion
	}
}