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

namespace Server.Engines.Craft
{
    public class Recipe
    {
        private TextDefinition 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);
        }

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

        public static int LargestRecipeID { get; private set; }

        public CraftSystem CraftSystem { get; set; }

        public CraftItem CraftItem { get; set; }

        public int ID { get; }

        public TextDefinition TextDefinition =>
            m_TD ?? (m_TD = new TextDefinition(CraftItem.NameNumber, CraftItem.NameString));

        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)
        {
            var m = e.Mobile;
            m.SendMessage("Target a player to teach them all of the recipes.");

            m.BeginTarget(
                -1,
                false,
                TargetFlags.None,
                (from, targeted) =>
                {
                    if (targeted is PlayerMobile mobile)
                    {
                        foreach (var kvp in Recipes)
                        {
                            mobile.AcquireRecipe(kvp.Key);
                        }

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

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

            m.BeginTarget(
                -1,
                false,
                TargetFlags.None,
                (from, targeted) =>
                {
                    if (targeted is PlayerMobile mobile)
                    {
                        mobile.ResetRecipes();

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