using System;
using Server.Accounting;

namespace Server.Engines.Reports
{
	public abstract class BaseInfo : IComparable
	{
		private static TimeSpan m_SortRange;

		public static TimeSpan SortRange{ get => m_SortRange;
			set => m_SortRange = value;
		}

		private string m_Account;
		private string m_Display;
		private PageInfoCollection m_Pages;

		public string Account{ get => m_Account;
			set => m_Account = value;
		}
		public PageInfoCollection Pages{ get => m_Pages;
			set => m_Pages = value;
		}

		public string Display
		{
			get
			{
				if ( m_Display != null )
					return m_Display;

				if ( m_Account != null )
				{
					IAccount acct = Accounts.GetAccount( m_Account );

					if ( acct != null )
					{
						Mobile mob = null;

						for ( int i = 0; i < acct.Length; ++i )
						{
							Mobile check = acct[i];

							if ( check != null && (mob == null || check.AccessLevel > mob.AccessLevel) )
								mob = check;
						}

						if ( mob?.Name != null && mob.Name.Length > 0 )
							return ( m_Display = mob.Name );
					}
				}

				return ( m_Display = m_Account );
			}
		}

		public int GetPageCount( PageResolution res, DateTime min, DateTime max )
		{
			return StaffHistory.GetPageCount( m_Pages, res, min, max );
		}

		public BaseInfo( string account )
		{
			m_Account = account;
			m_Pages = new PageInfoCollection();
		}

		public void Register( PageInfo page )
		{
			m_Pages.Add( page );
		}

		public void Unregister( PageInfo page )
		{
			m_Pages.Remove( page );
		}

		public int CompareTo( object obj )
		{
			BaseInfo cmp = obj as BaseInfo;

			int v = cmp.GetPageCount( cmp is StaffInfo ? PageResolution.Handled : PageResolution.None, DateTime.UtcNow - m_SortRange, DateTime.UtcNow )
				- GetPageCount( this is StaffInfo ? PageResolution.Handled : PageResolution.None, DateTime.UtcNow - m_SortRange, DateTime.UtcNow );

			if ( v == 0 )
				v = string.Compare( Display, cmp.Display );

			return v;
		}
	}

	public class StaffInfo : BaseInfo
	{
		public StaffInfo( string account ) : base( account )
		{
		}
	}

	public class UserInfo : BaseInfo
	{
		public UserInfo( string account ) : base( account )
		{
		}
	}
}