//
//  OptionProvider.cs
//
//  Author:
//       Mike Becker <alcexhim@gmail.com>
//
//  Copyright (c) 2019 Mike Becker
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program 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.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
using System;
using MBS.Framework.Settings;

namespace MBS.Framework
{
	public abstract class SettingsProvider
	{
		public class SettingsProviderCollection
			: System.Collections.ObjectModel.Collection<SettingsProvider>
		{
			private System.Collections.Generic.Dictionary<Guid, SettingsProvider> _itemsByID = new System.Collections.Generic.Dictionary<Guid, SettingsProvider>();
			public bool Contains(Guid id)
			{
				return _itemsByID.ContainsKey(id);
			}
			protected override void ClearItems()
			{
				base.ClearItems();
				_itemsByID.Clear();
			}
			protected override void InsertItem(int index, SettingsProvider item)
			{
				_itemsByID[item.ID] = item;
				base.InsertItem(index, item);
			}
			protected override void RemoveItem(int index)
			{
				_itemsByID.Remove(this[index].ID);
				base.RemoveItem(index);
			}
		}

		public Guid ID { get; set; } = Guid.Empty;

		public SettingsGroup.SettingsGroupCollection SettingsGroups { get; } = new SettingsGroup.SettingsGroupCollection();

		public Setting FindSetting(string name)
		{
			foreach (SettingsGroup sg in SettingsGroups)
			{
				foreach (Setting s in sg.Settings)
				{
					if (s is GroupSetting)
					{
						Setting r = (s as GroupSetting).FindSetting(name);
						if (r != null) return r;
					}
					else
					{
						if (s.Name == name)
							return s;
					}
				}
			}
			return null;
		}

		protected virtual void InitializeInternal()
		{
		}
		public void Initialize()
		{
			InitializeInternal();
		}

		protected virtual void LoadSettingsInternal()
		{
		}
		public void LoadSettings()
		{
			LoadSettingsInternal ();
		}

		protected virtual void SaveSettingsInternal()
		{
		}
		public void SaveSettings()
		{
			SaveSettingsInternal ();
		}

		public int Count
		{
			get
			{
				int count = 0;
				for (int i = 0; i < SettingsGroups.Count; i++)
				{
					count += SettingsGroups[i].Count;
				}
				return count;
			}
		}
	}
}