/*
 * This file ("CrusherRecipeRegistry.java") is part of the Actually Additions mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://ellpeck.de/actaddlicense
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015-2017 Ellpeck
 */

package de.ellpeck.actuallyadditions.mod.recipe;

import java.util.ArrayList;
import java.util.List;

import de.ellpeck.actuallyadditions.api.ActuallyAdditionsAPI;
import de.ellpeck.actuallyadditions.api.recipe.CrusherRecipe;
import de.ellpeck.actuallyadditions.mod.ActuallyAdditions;
import de.ellpeck.actuallyadditions.mod.config.values.ConfigStringListValues;
import de.ellpeck.actuallyadditions.mod.util.StackUtil;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraftforge.oredict.OreDictionary;
import net.minecraftforge.oredict.OreIngredient;


public final class CrusherRecipeRegistry{

    public static final ArrayList<SearchCase> SEARCH_CASES = new ArrayList<>();

    public static void registerFinally(){
        ArrayList<String> oresNoResult = new ArrayList<String>();
        int recipeStartedAt = ActuallyAdditionsAPI.CRUSHER_RECIPES.size();

        for(String ore : OreDictionary.getOreNames()){
            if(!hasException(ore)){
                for(SearchCase theCase : SEARCH_CASES){
                    if(ore.length() > theCase.theCase.length()){
                        if(ore.substring(0, theCase.theCase.length()).equals(theCase.theCase)){
                            String outputOre = theCase.resultPreString+ore.substring(theCase.theCase.length());
                            List<ItemStack> outputs = OreDictionary.getOres(outputOre, false);
                            ItemStack output = outputs.isEmpty() ? ItemStack.EMPTY : outputs.get(0).copy();
                            output.setCount(theCase.resultAmount);
                            if(output.isEmpty()){
                                if(!oresNoResult.contains(ore)){
                                    oresNoResult.add(ore);
                                }
                            } else ActuallyAdditionsAPI.addCrusherRecipe(new OreIngredient(ore), output, StackUtil.getEmpty(), 0);
                        }
                    }
                }
            }
        }

        ArrayList<String> addedRecipes = new ArrayList<String>();
        for(int i = recipeStartedAt; i < ActuallyAdditionsAPI.CRUSHER_RECIPES.size(); i++){
            CrusherRecipe recipe = ActuallyAdditionsAPI.CRUSHER_RECIPES.get(i);
            addedRecipes.add(recipe.getInput().getMatchingStacks()+" -> "+recipe.getOutputOne());
        }
        ActuallyAdditions.LOGGER.debug("Added "+addedRecipes.size()+" Crusher Recipes automatically: "+addedRecipes);
        ActuallyAdditions.LOGGER.debug("Couldn't add "+oresNoResult.size()+" Crusher Recipes automatically, either because the inputs were missing outputs, or because they exist already: "+oresNoResult);
        removeDuplicateRecipes();
    }
    
    public static void removeDuplicateRecipes() {
        ArrayList<CrusherRecipe> usable = new ArrayList<>();
        ArrayList<CrusherRecipe> removed = new ArrayList<>();
        for(CrusherRecipe r : ActuallyAdditionsAPI.CRUSHER_RECIPES) {
            boolean canUse = true;
            if(r.getInput().getMatchingStacks().length == 0) canUse = false;
            else for(CrusherRecipe re : usable) {
                if(re.getInput().apply(r.getInput().getMatchingStacks()[0])) canUse = false;
            }
            
            if(canUse) usable.add(r);
            else removed.add(r);
        }
        
        ActuallyAdditionsAPI.CRUSHER_RECIPES.clear();
        ActuallyAdditionsAPI.CRUSHER_RECIPES.addAll(usable);
        ActuallyAdditions.LOGGER.debug(String.format("Removed %s crusher recipes that had dupliate inputs, %s remain.", removed.size(), usable.size()));
       }

    public static boolean hasBlacklistedOutput(ItemStack output, String[] config){
        if(StackUtil.isValid(output)){
            Item item = output.getItem();
            if(item != null){
                String reg = item.getRegistryName().toString();

                for(String conf : config){
                    String confReg = conf;
                    int meta = 0;

                    if(conf.contains("@")){
                        try{
                            String[] split = conf.split("@");
                            confReg = split[0];
                            meta = Integer.parseInt(split[1]);
                        }
                        catch(Exception e){
                            ActuallyAdditions.LOGGER.warn("A config option appears to be incorrect: The entry "+conf+" can't be parsed!");
                        }
                    }

                    if(reg.equals(confReg) && output.getItemDamage() == meta){
                        return true;
                    }
                }

                return false;
            }
        }
        return true;
    }

    public static boolean hasException(String ore){
        for(String conf : ConfigStringListValues.CRUSHER_RECIPE_EXCEPTIONS.getValue()){
            if(conf.equals(ore)){
                return true;
            }
        }
        return false;
    }

    public static CrusherRecipe getRecipeFromInput(ItemStack input){
        for(CrusherRecipe recipe : ActuallyAdditionsAPI.CRUSHER_RECIPES)
            if(recipe.matches(input)) return recipe;
        return null;
    }

    public static class SearchCase{

        final String theCase;
        final int resultAmount;
        final String resultPreString;

        public SearchCase(String theCase, int resultAmount){
            this(theCase, resultAmount, "dust");
        }

        public SearchCase(String theCase, int resultAmount, String resultPreString){
            this.theCase = theCase;
            this.resultAmount = resultAmount;
            this.resultPreString = resultPreString;
        }
    }

}