using System;
using System.Collections.Generic;
using Server.Gumps;
using Server.Multis;
using Server.Prompts;
using Server.Mobiles;
using Server.Network;
using Server.ContextMenus;

namespace Server.Items
{
	public class PlayerBBSouth : BasePlayerBB
	{
		public override int LabelNumber => 1062421; // bulletin board (south)

		[Constructible]
		public PlayerBBSouth() : base( 0x2311 )
		{
			Weight = 15.0;
		}

		public PlayerBBSouth( Serial serial ) : base( serial )
		{
		}

		public override void Serialize( GenericWriter writer )
		{
			base.Serialize( writer );

			writer.Write( 0 ); // version
		}

		public override void Deserialize( GenericReader reader )
		{
			base.Deserialize( reader );

			int version = reader.ReadInt();
		}
	}

	public class PlayerBBEast : BasePlayerBB
	{
		public override int LabelNumber => 1062420; // bulletin board (east)

		[Constructible]
		public PlayerBBEast() : base( 0x2312 )
		{
			Weight = 15.0;
		}

		public PlayerBBEast( Serial serial ) : base( serial )
		{
		}

		public override void Serialize( GenericWriter writer )
		{
			base.Serialize( writer );

			writer.Write( 0 ); // version
		}

		public override void Deserialize( GenericReader reader )
		{
			base.Deserialize( reader );

			int version = reader.ReadInt();
		}
	}

	public abstract class BasePlayerBB : Item, ISecurable
	{
		public List<PlayerBBMessage> Messages { get; private set; }

		public PlayerBBMessage Greeting { get; set; }

		[CommandProperty( AccessLevel.GameMaster )]
		public string Title { get; set; }

		[CommandProperty( AccessLevel.GameMaster )]
		public SecureLevel Level { get; set; }

		public BasePlayerBB( int itemID ) : base( itemID )
		{
			Messages = new List<PlayerBBMessage>();
			Level = SecureLevel.Anyone;
		}

		public BasePlayerBB( Serial serial ) : base( serial )
		{
		}

		public override void GetContextMenuEntries( Mobile from, List<ContextMenuEntry> list )
		{
			base.GetContextMenuEntries( from, list );
			SetSecureLevelEntry.AddTo( from, this, list );
		}

		public override void Serialize( GenericWriter writer )
		{
			base.Serialize( writer );

			writer.Write( 1 );

			writer.Write( (int) Level );

			writer.Write( Title );

			if ( Greeting != null )
			{
				writer.Write( true );
				Greeting.Serialize( writer );
			}
			else
			{
				writer.Write( false );
			}

			writer.WriteEncodedInt( Messages.Count );

			for ( int i = 0; i < Messages.Count; ++i )
				Messages[i].Serialize( writer );
		}

		public override void Deserialize( GenericReader reader )
		{
			base.Deserialize( reader );

			int version = reader.ReadInt();

			switch ( version )
			{
				case 1:
				{
					Level = (SecureLevel)reader.ReadInt();
					goto case 0;
				}
				case 0:
				{
					if ( version < 1 )
						Level = SecureLevel.Anyone;

					Title = reader.ReadString();

					if ( reader.ReadBool() )
						Greeting = new PlayerBBMessage( reader );

					int count = reader.ReadEncodedInt();

					Messages = new List<PlayerBBMessage>( count );

					for ( int i = 0; i < count; ++i )
						Messages.Add( new PlayerBBMessage( reader ) );

					break;
				}
			}
		}

		public static bool CheckAccess( BaseHouse house, Mobile from )
		{
			if ( house.Public || !house.IsAosRules )
				return !house.IsBanned( from );

			return house.HasAccess( from );
		}

		public override void OnDoubleClick( Mobile from )
		{
			BaseHouse house = BaseHouse.FindHouseAt( this );

			if ( house == null || !house.HasLockedDownItem( this ) )
				from.SendLocalizedMessage( 1062396 ); // This bulletin board must be locked down in a house to be usable.
			else if ( !from.InRange( GetWorldLocation(), 2 ) || !from.InLOS( this ) )
				from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1019045 ); // I can't reach that.
			else if ( CheckAccess( house, from ) )
				from.SendGump( new PlayerBBGump( from, house, this, 0 ) );
		}

		public class PostPrompt : Prompt
		{
			private int m_Page;
			private BaseHouse m_House;
			private BasePlayerBB m_Board;
			private bool m_Greeting;

			public PostPrompt( int page, BaseHouse house, BasePlayerBB board, bool greeting )
			{
				m_Page = page;
				m_House = house;
				m_Board = board;
				m_Greeting = greeting;
			}

			public override void OnCancel( Mobile from )
			{
				OnResponse( from, "" );
			}

			public override void OnResponse( Mobile from, string text )
			{
				int page = m_Page;
				BaseHouse house = m_House;
				BasePlayerBB board = m_Board;

				if ( house == null || !house.HasLockedDownItem( board ) )
				{
					from.SendLocalizedMessage( 1062396 ); // This bulletin board must be locked down in a house to be usable.
					return;
				}

				if ( !from.InRange( board.GetWorldLocation(), 2 ) || !from.InLOS( board ) )
				{
					from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1019045 ); // I can't reach that.
					return;
				}
				if ( !CheckAccess( house, from ) )
				{
					from.SendLocalizedMessage( 1062398 ); // You are not allowed to post to this bulletin board.
					return;
				}
				if ( m_Greeting && !house.IsOwner( from ) )
				{
					return;
				}

				text = text.Trim();

				if ( text.Length > 255 )
					text = text.Substring( 0, 255 );

				if ( text.Length > 0 )
				{
					PlayerBBMessage message = new PlayerBBMessage( DateTime.UtcNow, from, text );

					if ( m_Greeting )
					{
						board.Greeting = message;
					}
					else
					{
						board.Messages.Add( message );

						if ( board.Messages.Count > 50 )
						{
							board.Messages.RemoveAt( 0 );

							if ( page > 0 )
								--page;
						}
					}
				}

				from.SendGump( new PlayerBBGump( from, house, board, page ) );
			}
		}

		public class SetTitlePrompt : Prompt
		{
			private int m_Page;
			private BaseHouse m_House;
			private BasePlayerBB m_Board;

			public SetTitlePrompt( int page, BaseHouse house, BasePlayerBB board )
			{
				m_Page = page;
				m_House = house;
				m_Board = board;
			}

			public override void OnCancel( Mobile from )
			{
				OnResponse( from, "" );
			}

			public override void OnResponse( Mobile from, string text )
			{
				int page = m_Page;
				BaseHouse house = m_House;
				BasePlayerBB board = m_Board;

				if ( house == null || !house.HasLockedDownItem( board ) )
				{
					from.SendLocalizedMessage( 1062396 ); // This bulletin board must be locked down in a house to be usable.
					return;
				}

				if ( !from.InRange( board.GetWorldLocation(), 2 ) || !from.InLOS( board ) )
				{
					from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1019045 ); // I can't reach that.
					return;
				}
				if ( !CheckAccess( house, from ) )
				{
					from.SendLocalizedMessage( 1062398 ); // You are not allowed to post to this bulletin board.
					return;
				}

				text = text.Trim();

				if ( text.Length > 255 )
					text = text.Substring( 0, 255 );

				if ( text.Length > 0 )
					board.Title = text;

				from.SendGump( new PlayerBBGump( from, house, board, page ) );
			}
		}
	}

	public class PlayerBBMessage
	{
		[CommandProperty( AccessLevel.GameMaster )]
		public DateTime Time { get; set; }

		[CommandProperty( AccessLevel.GameMaster )]
		public Mobile Poster { get; set; }

		[CommandProperty( AccessLevel.GameMaster )]
		public string Message { get; set; }

		public PlayerBBMessage( DateTime time, Mobile poster, string message )
		{
			Time = time;
			Poster = poster;
			Message = message;
		}

		public PlayerBBMessage( GenericReader reader )
		{
			int version = reader.ReadEncodedInt();

			switch ( version )
			{
				case 0:
				{
					Time = reader.ReadDateTime();
					Poster = reader.ReadMobile();
					Message = reader.ReadString();
					break;
				}
			}
		}

		public void Serialize( GenericWriter writer )
		{
			writer.WriteEncodedInt( 0 ); // version

			writer.Write( Time );
			writer.Write( Poster );
			writer.Write( Message );
		}
	}

	public class PlayerBBGump : Gump
	{
		private int m_Page;
		private Mobile m_From;
		private BaseHouse m_House;
		private BasePlayerBB m_Board;

		private const int LabelColor = 0x7FFF;
		private const int LabelHue = 1153;

		public override void OnResponse( NetState sender, RelayInfo info )
		{
			int page = m_Page;
			Mobile from = m_From;
			BaseHouse house = m_House;
			BasePlayerBB board = m_Board;

			if ( house == null || !house.HasLockedDownItem( board ) )
			{
				from.SendLocalizedMessage( 1062396 ); // This bulletin board must be locked down in a house to be usable.
				return;
			}

			if ( !from.InRange( board.GetWorldLocation(), 2 ) || !from.InLOS( board ) )
			{
				from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 1019045 ); // I can't reach that.
				return;
			}
			if ( !BasePlayerBB.CheckAccess( house, from ) )
			{
				from.SendLocalizedMessage( 1062398 ); // You are not allowed to post to this bulletin board.
				return;
			}

			switch ( info.ButtonID )
			{
				case 1: // Post message
				{
					from.Prompt = new BasePlayerBB.PostPrompt( page, house, board, false );
					from.SendLocalizedMessage( 1062397 ); // Please enter your message:

					break;
				}
				case 2: // Set title
				{
					if ( house.IsOwner( from ) )
					{
						from.Prompt = new BasePlayerBB.SetTitlePrompt( page, house, board );
						from.SendLocalizedMessage( 1062402 ); // Enter new title:
					}

					break;
				}
				case 3: // Post greeting
				{
					if ( house.IsOwner( from ) )
					{
						from.Prompt = new BasePlayerBB.PostPrompt( page, house, board, true );
						from.SendLocalizedMessage( 1062404 ); // Enter new greeting (this will always be the first post):
					}

					break;
				}
				case 4: // Scroll up
				{
					if ( page == 0 )
						page = board.Messages.Count;
					else
						page -= 1;

					from.SendGump( new PlayerBBGump( from, house, board, page ) );

					break;
				}
				case 5: // Scroll down
				{
					page += 1;
					page %= board.Messages.Count + 1;

					from.SendGump( new PlayerBBGump( from, house, board, page ) );

					break;
				}
				case 6: // Banish poster
				{
					if ( house.IsOwner( from ) )
					{
						if ( page >= 1 && page <= board.Messages.Count )
						{
							PlayerBBMessage message = board.Messages[page - 1];
							Mobile poster = message.Poster;

							if ( poster == null )
							{
								from.SendGump( new PlayerBBGump( from, house, board, page ) );
								return;
							}

							if ( poster.AccessLevel > AccessLevel.Player && from.AccessLevel <= poster.AccessLevel )
							{
								from.SendLocalizedMessage( 501354 ); // Uh oh...a bigger boot may be required.
							}
							else if ( house.IsFriend( poster ) )
							{
								from.SendLocalizedMessage( 1060750 ); // That person is a friend, co-owner, or owner of this house, and therefore cannot be banished!
							}
							else if ( poster is PlayerVendor )
							{
								from.SendLocalizedMessage( 501351 ); // You cannot eject a vendor.
							}
							else if ( house.Bans.Count >= BaseHouse.MaxBans )
							{
								from.SendLocalizedMessage( 501355 ); // The ban limit for this house has been reached!
							}
							else if ( house.IsBanned( poster ) )
							{
								from.SendLocalizedMessage( 501356 ); // This person is already banned!
							}
							else if ( poster is BaseCreature creature && creature.NoHouseRestrictions )
							{
								from.SendLocalizedMessage( 1062040 ); // You cannot ban that.
							}
							else
							{
								if ( !house.Bans.Contains( poster ) )
									house.Bans.Add( poster );

								from.SendLocalizedMessage( 1062417 ); // That person has been banned from this house.

								if ( house.IsInside( poster ) && !BasePlayerBB.CheckAccess( house, poster ) )
									poster.MoveToWorld( house.BanLocation, house.Map );
							}
						}

						from.SendGump( new PlayerBBGump( from, house, board, page ) );
					}

					break;
				}
				case 7: // Delete message
				{
					if ( house.IsOwner( from ) )
					{
						if ( page >= 1 && page <= board.Messages.Count )
							board.Messages.RemoveAt( page - 1 );

						from.SendGump( new PlayerBBGump( from, house, board, 0 ) );
					}

					break;
				}
				case 8: // Post props
				{
					if ( from.AccessLevel >= AccessLevel.GameMaster )
					{
						PlayerBBMessage message = board.Greeting;

						if ( page >= 1 && page <= board.Messages.Count )
							message = board.Messages[page - 1];

						from.SendGump( new PlayerBBGump( from, house, board, page ) );
						from.SendGump( new PropertiesGump( from, message ) );
					}

					break;
				}
			}
		}

		public PlayerBBGump( Mobile from, BaseHouse house, BasePlayerBB board, int page ) : base( 50, 10 )
		{
			from.CloseGump<PlayerBBGump>();

			m_Page = page;
			m_From = from;
			m_House = house;
			m_Board = board;

			AddPage( 0 );

			AddImage( 30, 30, 5400 );

			AddButton( 393, 145, 2084, 2084, 4); // Scroll up
			AddButton( 390, 371, 2085, 2085, 5); // Scroll down

			AddButton( 32, 183, 5412, 5413, 1); // Post message

			if ( house.IsOwner( from ) )
			{
				AddButton( 63, 90, 5601, 5605, 2);
				AddHtmlLocalized( 81, 89, 230, 20, 1062400, LabelColor ); // Set title

				AddButton( 63, 109, 5601, 5605, 3);
				AddHtmlLocalized( 81, 108, 230, 20, 1062401, LabelColor ); // Post greeting
			}

			string title = board.Title;

			if ( title != null )
				AddHtml( 183, 68, 180, 23, title );

			AddHtmlLocalized( 385, 89, 60, 20, 1062409, LabelColor ); // Post

			AddLabel( 440, 89, LabelHue, page.ToString() );
			AddLabel( 455, 89, LabelHue, "/" );
			AddLabel( 470, 89, LabelHue, board.Messages.Count.ToString() );

			PlayerBBMessage message = board.Greeting;

			if ( page >= 1 && page <= board.Messages.Count )
				message = board.Messages[page - 1];

			AddImageTiled( 150, 220, 240, 1, 2700 ); // Separator

			AddHtmlLocalized( 150, 180, 100, 20, 1062405, 16715 ); // Posted On:
			AddHtmlLocalized( 150, 200, 100, 20, 1062406, 16715 ); // Posted By:

			if ( message != null )
			{
				AddHtml( 255, 180, 150, 20, message.Time.ToString( "yyyy-MM-dd HH:mm:ss" ) );

				Mobile poster = message.Poster;
				string name = poster?.Name;

				if ( name == null || (name = name.Trim()).Length == 0 )
					name = "Someone";

				AddHtml( 255, 200, 150, 20, name );

        AddHtml( 150, 240, 250, 100, message.Message ?? "" );

				if ( message != board.Greeting && house.IsOwner( from ) )
				{
					AddButton( 130, 395, 1209, 1210, 6);
					AddHtmlLocalized( 150, 393, 150, 20, 1062410, LabelColor ); // Banish Poster

					AddButton( 310, 395, 1209, 1210, 7);
					AddHtmlLocalized( 330, 393, 150, 20, 1062411, LabelColor ); // Delete Message
				}

				if ( from.AccessLevel >= AccessLevel.GameMaster )
					AddButton( 135, 242, 1209, 1210, 8); // Post props
			}
		}
	}
}