using System;
using System.Collections;
using System.Collections.Generic;
using Server;
using Server.Items;
using Server.Network;
using Server.Spells;
using Server.Spells.Fourth;
using Server.Spells.Seventh;
using Server.Spells.Chivalry;
using Server.Prompts;

namespace Server.Gumps
{
	public class RunebookGump : Gump
	{
		private Runebook m_Book;

		public Runebook Book{ get{ return m_Book; } }

		public int GetMapHue( Map map )
		{
			if ( map == Map.Trammel )
				return 10;
			else if ( map == Map.Felucca )
				return 81;
			else if ( map == Map.Ilshenar )
				return 1102;
			else if ( map == Map.Malas )
				return 1102;
			else if ( map == Map.Tokuno )
				return 1154;

			return 0;
		}

		public string GetName( string name )
		{
			if ( name == null || (name = name.Trim()).Length <= 0 )
				return "(indescript)";

			return name;
		}

		private void AddBackground()
		{
			AddPage( 0 );

			// Background image
			AddImage( 100, 10, 2200 );

			// Two separators
			for ( int i = 0; i < 2; ++i )
			{
				int xOffset = 125 + (i * 165);

				AddImage( xOffset, 50, 57 );
				xOffset += 20;

				for ( int j = 0; j < 6; ++j, xOffset += 15 )
					AddImage( xOffset, 50, 58 );

				AddImage( xOffset - 5, 50, 59 );
			}

			// First four page buttons
			for ( int i = 0, xOffset = 130, gumpID = 2225; i < 4; ++i, xOffset += 35, ++gumpID )
				AddButton( xOffset, 187, gumpID, gumpID, 0, GumpButtonType.Page, 2 + i );

			// Next four page buttons
			for ( int i = 0, xOffset = 300, gumpID = 2229; i < 4; ++i, xOffset += 35, ++gumpID )
				AddButton( xOffset, 187, gumpID, gumpID, 0, GumpButtonType.Page, 6 + i );

			// Charges
			AddHtmlLocalized( 140, 40,  80, 18, 1011296, false, false ); // Charges:
			AddHtml( 220, 40, 30, 18, m_Book.CurCharges.ToString(), false, false );

			// Max charges
			AddHtmlLocalized( 300, 40, 100, 18, 1011297, false, false ); // Max Charges:
			AddHtml( 400, 40, 30, 18, m_Book.MaxCharges.ToString(), false, false );
		}

		private void AddIndex()
		{
			// Index
			AddPage( 1 );

			// Rename button
			AddButton( 125, 15, 2472, 2473, 1, GumpButtonType.Reply, 0 );
			AddHtmlLocalized( 158, 22, 100, 18, 1011299, false, false ); // Rename book

			// List of entries
			List<RunebookEntry> entries = m_Book.Entries;

			for ( int i = 0; i < 16; ++i )
			{
				string desc;
				int hue;

				if ( i < entries.Count )
				{
					desc = GetName( entries[i].Description );
					hue = GetMapHue( entries[i].Map );
				}
				else
				{
					desc = "Empty";
					hue = 0;
				}

				// Use charge button
				AddButton( 130 + ((i / 8) * 160), 65 + ((i % 8) * 15), 2103, 2104, 2 + (i * 6) + 0, GumpButtonType.Reply, 0 );

				// Description label
				AddLabelCropped( 145 + ((i / 8) * 160), 60 + ((i % 8) * 15), 115, 17, hue, desc );
			}

			// Turn page button
			AddButton( 393, 14, 2206, 2206, 0, GumpButtonType.Page, 2 );
		}

		private void AddDetails( int index, int half )
		{
			// Use charge button
			AddButton( 130 + (half * 160), 65, 2103, 2104, 2 + (index * 6) + 0, GumpButtonType.Reply, 0 );

			string desc;
			int hue;

			if ( index < m_Book.Entries.Count )
			{
				RunebookEntry e = (RunebookEntry)m_Book.Entries[index];

				desc = GetName( e.Description );
				hue = GetMapHue( e.Map );

				// Location labels
				int xLong = 0, yLat = 0;
				int xMins = 0, yMins = 0;
				bool xEast = false, ySouth = false;

				if ( Sextant.Format( e.Location, e.Map, ref xLong, ref yLat, ref xMins, ref yMins, ref xEast, ref ySouth ) )
				{
					AddLabel( 135 + (half * 160), 80, 0, String.Format( "{0}° {1}'{2}", yLat, yMins, ySouth ? "S" : "N" ) );
					AddLabel( 135 + (half * 160), 95, 0, String.Format( "{0}° {1}'{2}", xLong, xMins, xEast ? "E" : "W" ) );
				}

				// Drop rune button
				AddButton( 135 + (half * 160), 115, 2437, 2438, 2 + (index * 6) + 1, GumpButtonType.Reply, 0 );
				AddHtmlLocalized( 150 + (half * 160), 115, 100, 18, 1011298, false, false ); // Drop rune

				// Set as default button
				int defButtonID = e != m_Book.Default ? 2361 : 2360;
				
				AddButton( 160 + (half * 140), 20, defButtonID, defButtonID, 2 + (index * 6) + 2, GumpButtonType.Reply, 0 );
				AddHtmlLocalized( 175 + (half * 140), 15, 100, 18, 1011300, false, false ); // Set default

				if ( Core.AOS )
				{
					AddButton( 135 + (half * 160), 140, 2103, 2104, 2 + (index * 6) + 3, GumpButtonType.Reply, 0 );
					AddHtmlLocalized( 150 + (half * 160), 136, 110, 20, 1062722, false, false ); // Recall

					AddButton( 135 + (half * 160), 158, 2103, 2104, 2 + (index * 6) + 4, GumpButtonType.Reply, 0 );
					AddHtmlLocalized( 150 + (half * 160), 154, 110, 20, 1062723, false, false ); // Gate Travel

					AddButton( 135 + (half * 160), 176, 2103, 2104, 2 + (index * 6) + 5, GumpButtonType.Reply, 0 );
					AddHtmlLocalized( 150 + (half * 160), 172, 110, 20, 1062724, false, false ); // Sacred Journey
				}
				else
				{
					// Recall button
					AddButton( 135 + (half * 160), 140, 2271, 2271, 2 + (index * 6) + 3, GumpButtonType.Reply, 0 );

					// Gate button
					AddButton( 205 + (half * 160), 140, 2291, 2291, 2 + (index * 6) + 4, GumpButtonType.Reply, 0 );
				}
			}
			else
			{
				desc = "Empty";
				hue = 0;
			}

			// Description label
			AddLabelCropped( 145 + (half * 160), 60, 115, 17, hue, desc );
		}

		public RunebookGump( Mobile from, Runebook book ) : base( 150, 200 )
		{
			m_Book = book;

			AddBackground();
			AddIndex();

			for ( int page = 0; page < 8; ++page )
			{
				AddPage( 2 + page );

				AddButton( 125, 14, 2205, 2205, 0, GumpButtonType.Page, 1 + page );

				if ( page < 7 )
					AddButton( 393, 14, 2206, 2206, 0, GumpButtonType.Page, 3 + page );

				for ( int half = 0; half < 2; ++half )
					AddDetails( (page * 2) + half, half );
			}
		}

		public static bool HasSpell( Mobile from, int spellID )
		{
			Spellbook book = Spellbook.Find( from, spellID );

			return ( book != null && book.HasSpell( spellID ) );
		}

		private class InternalPrompt : Prompt
		{
			private Runebook m_Book;

			public InternalPrompt( Runebook book )
			{
				m_Book = book;
			}

			public override void OnResponse( Mobile from, string text )
			{
				if ( m_Book.Deleted || !from.InRange( m_Book.GetWorldLocation(), (Core.ML ? 3 : 1) ) )
					return;

				if ( m_Book.CheckAccess( from ) )
				{
					m_Book.Description = Utility.FixHtml( text.Trim() );

					from.CloseGump( typeof( RunebookGump ) );
					from.SendGump( new RunebookGump( from, m_Book ) );

					from.SendMessage( "The book's title has been changed." );
				}
				else
				{
					m_Book.Openers.Remove( from );

					from.SendLocalizedMessage( 502416 ); // That cannot be done while the book is locked down.
				}
			}

			public override void OnCancel( Mobile from )
			{
				from.SendLocalizedMessage( 502415 ); // Request cancelled.

				if ( !m_Book.Deleted && from.InRange( m_Book.GetWorldLocation(), (Core.ML ? 3 : 1) ) )
				{
					from.CloseGump( typeof( RunebookGump ) );
					from.SendGump( new RunebookGump( from, m_Book ) );
				}
			}
		}

		public override void OnResponse( NetState state, RelayInfo info )
		{
			Mobile from = state.Mobile;

			if ( m_Book.Deleted || !from.InRange( m_Book.GetWorldLocation(), (Core.ML ? 3 : 1) ) || !Multis.DesignContext.Check( from ) )
			{
				m_Book.Openers.Remove( from );
				return;
			}

			int buttonID = info.ButtonID;

			if ( buttonID == 1 ) // Rename book
			{
				if ( !m_Book.IsLockedDown || from.AccessLevel >= AccessLevel.GameMaster )
				{
					from.SendLocalizedMessage( 502414 ); // Please enter a title for the runebook:
					from.Prompt = new InternalPrompt( m_Book );
				}
				else
				{
					m_Book.Openers.Remove( from );

					from.SendLocalizedMessage( 502413, null, 0x35 ); // That cannot be done while the book is locked down.
				}
			}
			else
			{
				buttonID -= 2;

				int index = buttonID / 6;
				int type = buttonID % 6;

				if ( index >= 0 && index < m_Book.Entries.Count )
				{
					RunebookEntry e = (RunebookEntry)m_Book.Entries[index];

					switch ( type )
					{
						case 0: // Use charges
						{
							if ( m_Book.CurCharges <= 0 )
							{
								from.CloseGump( typeof( RunebookGump ) );
								from.SendGump( new RunebookGump( from, m_Book ) );

								from.SendLocalizedMessage( 502412 ); // There are no charges left on that item.
							}
							else
							{
								int xLong = 0, yLat = 0;
								int xMins = 0, yMins = 0;
								bool xEast = false, ySouth = false;

								if ( Sextant.Format( e.Location, e.Map, ref xLong, ref yLat, ref xMins, ref yMins, ref xEast, ref ySouth ) )
								{
									string location = String.Format( "{0}° {1}'{2}, {3}° {4}'{5}", yLat, yMins, ySouth ? "S" : "N", xLong, xMins, xEast ? "E" : "W" );
									from.SendMessage( location );
								}

								m_Book.OnTravel();
								new RecallSpell( from, m_Book, e, m_Book ).Cast();

								m_Book.Openers.Remove( from );
							}

							break;
						}
						case 1: // Drop rune
						{
							if ( !m_Book.IsLockedDown || from.AccessLevel >= AccessLevel.GameMaster )
							{
								m_Book.DropRune( from, e, index );

								from.CloseGump( typeof( RunebookGump ) );
								if ( !Core.ML )
								from.SendGump( new RunebookGump( from, m_Book ) );
							}
							else
							{
								m_Book.Openers.Remove( from );

								from.SendLocalizedMessage( 502413, null, 0x35 ); // That cannot be done while the book is locked down.
							}

							break;
						}
						case 2: // Set default
						{
							if ( m_Book.CheckAccess( from ) )
							{
								m_Book.Default = e;

								from.CloseGump( typeof( RunebookGump ) );
								from.SendGump( new RunebookGump( from, m_Book ) );

								from.SendLocalizedMessage( 502417 ); // New default location set.
							}

							break;
						}
						case 3: // Recall
						{
							if ( HasSpell( from, 31 ) )
							{
								int xLong = 0, yLat = 0;
								int xMins = 0, yMins = 0;
								bool xEast = false, ySouth = false;

								if ( Sextant.Format( e.Location, e.Map, ref xLong, ref yLat, ref xMins, ref yMins, ref xEast, ref ySouth ) )
								{
									string location = String.Format( "{0}° {1}'{2}, {3}° {4}'{5}", yLat, yMins, ySouth ? "S" : "N", xLong, xMins, xEast ? "E" : "W" );
									from.SendMessage( location );
								}

								m_Book.OnTravel();
								new RecallSpell( from, null, e, null ).Cast();
							}
							else
							{
								from.SendLocalizedMessage( 500015 ); // You do not have that spell!
							}

							m_Book.Openers.Remove( from );

							break;
						}
						case 4: // Gate
						{
							if ( HasSpell( from, 51 ) )
							{
								int xLong = 0, yLat = 0;
								int xMins = 0, yMins = 0;
								bool xEast = false, ySouth = false;

								if ( Sextant.Format( e.Location, e.Map, ref xLong, ref yLat, ref xMins, ref yMins, ref xEast, ref ySouth ) )
								{
									string location = String.Format( "{0}° {1}'{2}, {3}° {4}'{5}", yLat, yMins, ySouth ? "S" : "N", xLong, xMins, xEast ? "E" : "W" );
									from.SendMessage( location );
								}

								m_Book.OnTravel();
								new GateTravelSpell( from, null, e ).Cast();
							}
							else
							{
								from.SendLocalizedMessage( 500015 ); // You do not have that spell!
							}

							m_Book.Openers.Remove( from );

							break;
						}
						case 5: // Sacred Journey
						{
							if ( Core.AOS )
							{
								if ( HasSpell( from, 209 ) )
								{
									int xLong = 0, yLat = 0;
									int xMins = 0, yMins = 0;
									bool xEast = false, ySouth = false;

									if ( Sextant.Format( e.Location, e.Map, ref xLong, ref yLat, ref xMins, ref yMins, ref xEast, ref ySouth ) )
									{
										string location = String.Format( "{0}° {1}'{2}, {3}° {4}'{5}", yLat, yMins, ySouth ? "S" : "N", xLong, xMins, xEast ? "E" : "W" );
										from.SendMessage( location );
									}

									m_Book.OnTravel();
									new SacredJourneySpell( from, null, e, null ).Cast();
								}
								else
								{
									from.SendLocalizedMessage( 500015 ); // You do not have that spell!
								}
							}

							m_Book.Openers.Remove( from );

							break;
						}
					}
				}
				else
					m_Book.Openers.Remove( from );
			}
		}
	}
}