package ed.enderdeath.mod.AnvilDragon;

import java.util.List;
import java.util.Map;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.sun.istack.internal.Nullable;

import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.inventory.InventoryCrafting;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.IRecipe;
import net.minecraft.world.World;

public class TutorielCraftingManager {
	   private static final TutorielCraftingManager INSTANCE = new TutorielCraftingManager();
	   public static TutorielCraftingManager getInstance()
	   {
	       return INSTANCE;
	   }

	   /** La liste des recettes */
	   private final List<IRecipe> recipes = Lists.<IRecipe>newArrayList();
	private Block cratingTable;

	   private TutorielCraftingManager()
	   {
		   TutorielCraftingManager.getInstance().addShapelessRecipe(new ItemStack(Blocks.anvil), Items.carrot, Items.golden_apple);
		   TutorielCraftingManager.getInstance().addRecipe(new ItemStack(cratingTable), " C ", "X X", " C ", 'C', "slabWood", 'X', Blocks.planks); //"slabWood" est le nom des dalles de bois dans l'ore dictionnary, ceci est ajouté par Forge
		   TutorielCraftingManager.getInstance().addRecipe(new ItemStack(Items.golden_apple), "A  A", "X  X", "X  X", "A  A", 'A', Items.carrot, 'X', Blocks.planks);
	   }
	   public TutorielShapedRecipes addRecipe(ItemStack result, Object... recipeComponents)
	   {
	      String s = "";
	      int i = 0;
	      int j = 0;
	      int k = 0;
	      if (recipeComponents[i] instanceof String[])
	      {
	          String[] astring = (String[])((String[])recipeComponents[i++]);
	          for (int l = 0; l < astring.length; ++l)
	          {
	              String s2 = astring[l];
	              ++k;
	              j = s2.length();
	              s = s + s2;
	          }
	      }
	      else
	      {
	          while (recipeComponents[i] instanceof String)
	          {
	              String s1 = (String)recipeComponents[i++];
	              ++k;
	              j = s1.length();
	              s = s + s1;
	          }
	      }
	      Character character;
	      Map<Character, Object> components = Maps.<Character, Object>newHashMap();
	      Object in;
	      for ( ; i < recipeComponents.length; i += 2)
	      {
	       in = recipeComponents[i + 1];
	          Object component = null;
	          character = (Character)recipeComponents[i];
	          if (in instanceof Item)
	          {
	              component = new ItemStack((Item)recipeComponents[i + 1]);
	          }
	          else if (in instanceof Block)
	          {
	              component = new ItemStack((Block)recipeComponents[i + 1], 1, 32767);
	          }
	          else if (in instanceof ItemStack)
	          {
	              component = (ItemStack)recipeComponents[i + 1];
	          }
	          else if (in instanceof String)
	          {
	           component = (String)in;
	          }
	          else
	          {
	           throw new IllegalArgumentException("Invalid shaped recipe: unknown type " + in.getClass().getName() + "!");
	          }
	          components.put(character, component);
	      }
	      Object[] aitemstack = new Object[j * k];
	      char key;
	      Object component;
	      for (int i1 = 0; i1 < j * k; ++i1)
	      {
	          key = s.charAt(i1);
	          if (components.containsKey(Character.valueOf(key)))
	          {
	           component = components.get(Character.valueOf(key));
	              if(component instanceof ItemStack)
	               aitemstack[i1] = ((ItemStack)component).copy();
	              else
	               aitemstack[i1] = component;
	          }
	          else
	              aitemstack[i1] = null;
	      }
	      TutorielShapedRecipes shapedrecipes = new TutorielShapedRecipes(j, k, aitemstack, result);
	      this.recipes.add(shapedrecipes);
	      return shapedrecipes;
	  }


	   public void addShapelessRecipe(ItemStack result, Object... recipeComponents)
	   {
	      List list = Lists.newArrayList();
	      for (Object component : recipeComponents) //Pour chaque composant de la recette
	      {
	          if (component instanceof ItemStack)
	          {
	              list.add(((ItemStack)component).copy());
	          }
	          else if (component instanceof Item)
	          {
	              list.add(new ItemStack((Item)component));
	          }
	          else if(component instanceof Block)
	          {
	              list.add(new ItemStack((Block)component));
	          }
	          else if(component instanceof String) //Pour l'ore dictionnary
	          {
	           list.add(component);
	          }
	          else throw new IllegalArgumentException("Invalid shapeless recipe: unknown type " + component.getClass().getName() + "!");
	      }
	      this.recipes.add(new TutorielShapelessRecipe(result, list));
	  }
	   /**
	    * Adds a shaped recipe to the games recipe list.
	    */

	   /**
	    * Adds an IRecipe to the list of crafting recipes.
	    */
	   public void addRecipe(IRecipe recipe)
	   {
	       this.recipes.add(recipe);
	   }

	   /**
	    * Retourne le résultat de la recette ou null si il n'y en a aucun
	    */
	   @Nullable
	   public ItemStack findMatchingRecipe(InventoryCrafting craftMatrix, World worldIn)
	   {
	       for (IRecipe irecipe : this.recipes) //Pour chaque recette
	       {
	           if (irecipe.matches(craftMatrix, worldIn)) //Si elle correspond à la matrice actuelle
	           {
	               return irecipe.getCraftingResult(craftMatrix); //On donne son résultat
	           }
	       }
	       return null;
	   }

	   /**
	    * Retourne les items retants après un craft
	    */

	   public List<IRecipe> getRecipeList()
	   {
	       return this.recipes;
	   }
}