using System;
using System.Collections.Generic;
using Server.Mobiles;
using Server.Commands;

namespace Server.Engines.Craft
{
	public class Recipe
	{
		public static void Initialize()
		{
			CommandSystem.Register( "LearnAllRecipes", AccessLevel.GameMaster, LearnAllRecipes_OnCommand );
			CommandSystem.Register( "ForgetAllRecipes", AccessLevel.GameMaster, ForgetAllRecipes_OnCommand );
		}

		[Usage( "LearnAllRecipes" )]
		[Description( "Teaches a player all available recipes." )]
		private static void LearnAllRecipes_OnCommand( CommandEventArgs e )
		{
			Mobile m = e.Mobile;
			m.SendMessage( "Target a player to teach them all of the recipies." );

			m.BeginTarget( -1, false, Targeting.TargetFlags.None, delegate( Mobile from, object targeted )
			{
				if ( targeted is PlayerMobile mobile )
				{
					foreach( KeyValuePair<int, Recipe> kvp in Recipes )
						mobile.AcquireRecipe( kvp.Key );

					m.SendMessage( "You teach them all of the recipies." );
				}
				else
				{
					m.SendMessage( "That is not a player!" );
				}
			} );
		}

		[Usage( "ForgetAllRecipes" )]
		[Description( "Makes a player forget all the recipies they've learned." )]
		private static void ForgetAllRecipes_OnCommand( CommandEventArgs e )
		{
			Mobile m = e.Mobile;
			m.SendMessage( "Target a player to have them forget all of the recipies they've learned." );

			m.BeginTarget( -1, false, Targeting.TargetFlags.None, delegate( Mobile from, object targeted )
			{
				if ( targeted is PlayerMobile mobile )
				{
					mobile.ResetRecipes();

					m.SendMessage( "They forget all their recipies." );
				}
				else
				{
					m.SendMessage( "That is not a player!" );
				}
			} );
		}


		public static Dictionary<int, Recipe> Recipes { get; } = new Dictionary<int, Recipe>();

		public  static int LargestRecipeID { get; private set; }

		public CraftSystem CraftSystem { get; set; }

		public CraftItem CraftItem { get; set; }

		public int ID { get; }

		private TextDefinition m_TD;
		public TextDefinition TextDefinition
		{
			get
			{
				if ( m_TD == null )
					m_TD = new TextDefinition( CraftItem.NameNumber, CraftItem.NameString );

				return m_TD;
			}
		}

		public Recipe( int id, CraftSystem system, CraftItem item )
		{
			ID = id;
			CraftSystem = system;
			CraftItem = item;

			if ( Recipes.ContainsKey( id ) )
				throw new Exception( "Attempting to create recipe with preexisting ID." );

			Recipes.Add( id, this );
			LargestRecipeID = Math.Max( id, LargestRecipeID );
		}
	}
}