/*
 * Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @author GeyserMC
 * @link https://github.com/GeyserMC/Geyser
 */

package org.geysermc.connector.network.translators.item;

import com.fasterxml.jackson.databind.JsonNode;
import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
import com.github.steveice10.mc.protocol.data.game.recipe.Ingredient;
import com.github.steveice10.mc.protocol.data.game.recipe.Recipe;
import com.github.steveice10.mc.protocol.data.game.recipe.RecipeType;
import com.github.steveice10.mc.protocol.data.game.recipe.data.ShapedRecipeData;
import com.github.steveice10.mc.protocol.data.game.recipe.data.ShapelessRecipeData;
import com.nukkitx.nbt.NbtMap;
import com.nukkitx.nbt.NbtUtils;
import com.nukkitx.protocol.bedrock.data.inventory.CraftingData;
import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import org.geysermc.connector.GeyserConnector;
import org.geysermc.connector.utils.FileUtils;
import org.geysermc.connector.utils.LanguageUtils;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;

/**
 * Manages any recipe-related storing
 */
public class RecipeRegistry {

    /**
     * Stores the last used recipe network ID. Since 1.16.200 (and for server-authoritative inventories),
     * each recipe needs a unique network ID (or else in .200 the client crashes).
     */
    public static int LAST_RECIPE_NET_ID = 0;

    /**
     * A list of all the following crafting recipes, but in a format understood by Java servers.
     * Used for console autocrafting.
     */
    public static final Int2ObjectMap<Recipe> ALL_CRAFTING_RECIPES = new Int2ObjectOpenHashMap<>();

    /**
     * A list of all possible leather armor dyeing recipes.
     * Created manually.
     */
    public static final List<CraftingData> LEATHER_DYEING_RECIPES = new ObjectArrayList<>();
    /**
     * A list of all possible firework rocket recipes, including the base rocket.
     * Obtained from a ProxyPass dump of protocol v407
     */
    public static final List<CraftingData> FIREWORK_ROCKET_RECIPES = new ObjectArrayList<>();
    /**
     * A list of all possible firework star recipes.
     * Obtained from a ProxyPass dump of protocol v407
     */
    public static final List<CraftingData> FIREWORK_STAR_RECIPES = new ObjectArrayList<>();
    /**
     * A list of all possible shulker box dyeing options.
     * Obtained from a ProxyPass dump of protocol v407
     */
    public static final List<CraftingData> SHULKER_BOX_DYEING_RECIPES = new ObjectArrayList<>();
    /**
     * A list of all possible suspicious stew recipes.
     * Obtained from a ProxyPass dump of protocol v407
     */
    public static final List<CraftingData> SUSPICIOUS_STEW_RECIPES = new ObjectArrayList<>();
    /**
     * A list of all possible tipped arrow recipes.
     * Obtained from a ProxyPass dump of protocol v407
     */
    public static final List<CraftingData> TIPPED_ARROW_RECIPES = new ObjectArrayList<>();

    /**
     * Recipe data that, when sent to the client, enables cartography features.
     * This does not have a Java equivalent.
     */
    public static final List<CraftingData> CARTOGRAPHY_RECIPE_DATA = new ObjectArrayList<>();

    /**
     * Recipe data that, when sent to the client, enables book cloning
     */
    public static final CraftingData BOOK_CLONING_RECIPE_DATA;
    /**
     * Recipe data that, when sent to the client, enables tool repairing in a crafting table
     */
    public static final CraftingData TOOL_REPAIRING_RECIPE_DATA;
    /**
     * Recipe data that, when sent to the client, enables map extending in a crafting table
     */
    public static final CraftingData MAP_EXTENDING_RECIPE_DATA;
    /**
     * Recipe data that, when sent to the client, enables map cloning in a crafting table
     */
    public static final CraftingData MAP_CLONING_RECIPE_DATA;
    /**
     * Recipe data that, when sent to the client, enables banner duplicating
     */
    public static final CraftingData BANNER_DUPLICATING_RECIPE_DATA;


    static {
        BOOK_CLONING_RECIPE_DATA = CraftingData.fromMulti(UUID.fromString("d1ca6b84-338e-4f2f-9c6b-76cc8b4bd98d"), LAST_RECIPE_NET_ID++);
        TOOL_REPAIRING_RECIPE_DATA = CraftingData.fromMulti(UUID.fromString("00000000-0000-0000-0000-000000000001"), LAST_RECIPE_NET_ID++);
        MAP_EXTENDING_RECIPE_DATA = CraftingData.fromMulti(UUID.fromString("d392b075-4ba1-40ae-8789-af868d56f6ce"), LAST_RECIPE_NET_ID++);
        MAP_CLONING_RECIPE_DATA = CraftingData.fromMulti(UUID.fromString("85939755-ba10-4d9d-a4cc-efb7a8e943c4"), LAST_RECIPE_NET_ID++);
        BANNER_DUPLICATING_RECIPE_DATA = CraftingData.fromMulti(UUID.fromString("b5c5d105-75a2-4076-af2b-923ea2bf4bf0"), LAST_RECIPE_NET_ID++);

        CARTOGRAPHY_RECIPE_DATA.add(CraftingData.fromMulti(UUID.fromString("8b36268c-1829-483c-a0f1-993b7156a8f2"), LAST_RECIPE_NET_ID++)); // Map extending
        CARTOGRAPHY_RECIPE_DATA.add(CraftingData.fromMulti(UUID.fromString("442d85ed-8272-4543-a6f1-418f90ded05d"), LAST_RECIPE_NET_ID++)); // Map cloning
        CARTOGRAPHY_RECIPE_DATA.add(CraftingData.fromMulti(UUID.fromString("98c84b38-1085-46bd-b1ce-dd38c159e6cc"), LAST_RECIPE_NET_ID++)); // Map upgrading
        CARTOGRAPHY_RECIPE_DATA.add(CraftingData.fromMulti(UUID.fromString("602234e4-cac1-4353-8bb7-b1ebff70024b"), LAST_RECIPE_NET_ID++)); // Map locking
        // https://github.com/pmmp/PocketMine-MP/blob/stable/src/pocketmine/inventory/MultiRecipe.php

        // Get all recipes that are not directly sent from a Java server
        InputStream stream = FileUtils.getResource("mappings/recipes.json");

        JsonNode items;
        try {
            items = GeyserConnector.JSON_MAPPER.readTree(stream);
        } catch (Exception e) {
            throw new AssertionError(LanguageUtils.getLocaleStringLog("geyser.toolbox.fail.runtime_java"), e);
        }

        for (JsonNode entry : items.get("leather_armor")) {
            // This won't be perfect, as we can't possibly send every leather input for every kind of color
            // But it does display the correct output from a base leather armor, and besides visuals everything works fine
            LEATHER_DYEING_RECIPES.add(getCraftingDataFromJsonNode(entry));
        }
        for (JsonNode entry : items.get("firework_rockets")) {
            FIREWORK_ROCKET_RECIPES.add(getCraftingDataFromJsonNode(entry));
        }
        for (JsonNode entry : items.get("firework_stars")) {
            FIREWORK_STAR_RECIPES.add(getCraftingDataFromJsonNode(entry));
        }
        for (JsonNode entry : items.get("shulker_boxes")) {
            SHULKER_BOX_DYEING_RECIPES.add(getCraftingDataFromJsonNode(entry));
        }
        for (JsonNode entry : items.get("suspicious_stew")) {
            SUSPICIOUS_STEW_RECIPES.add(getCraftingDataFromJsonNode(entry));
        }
        for (JsonNode entry : items.get("tipped_arrows")) {
            TIPPED_ARROW_RECIPES.add(getCraftingDataFromJsonNode(entry));
        }
    }

    /**
     * Computes a Bedrock crafting recipe from the given JSON data.
     * @param node the JSON data to compute
     * @return the {@link CraftingData} to send to the Bedrock client.
     */
    private static CraftingData getCraftingDataFromJsonNode(JsonNode node) {
        int netId = LAST_RECIPE_NET_ID++;
        int type = node.get("bedrockRecipeType").asInt();
        JsonNode outputNode = node.get("output");
        ItemEntry outputEntry = ItemRegistry.getItemEntry(outputNode.get("identifier").asText());
        ItemData output = getBedrockItemFromIdentifierJson(outputEntry, outputNode);
        UUID uuid = UUID.randomUUID();
        if (type == 1) {
            // Shaped recipe
            List<String> shape = new ArrayList<>();
            // Get the shape of the recipe
            for (JsonNode chars : node.get("shape")) {
                shape.add(chars.asText());
            }

            // In recipes.json each recipe is mapped by a letter
            Map<String, ItemData> letterToRecipe = new HashMap<>();
            Iterator<Map.Entry<String, JsonNode>> iterator = node.get("inputs").fields();
            while (iterator.hasNext()) {
                Map.Entry<String, JsonNode> entry = iterator.next();
                JsonNode inputNode = entry.getValue();
                ItemEntry inputEntry = ItemRegistry.getItemEntry(inputNode.get("identifier").asText());
                letterToRecipe.put(entry.getKey(), getBedrockItemFromIdentifierJson(inputEntry, inputNode));
            }

            List<ItemData> inputs = new ArrayList<>(shape.size() * shape.get(0).length());
            int i = 0;
            // Create a linear array of items from the "cube" of the shape
            for (int j = 0; i < shape.size() * shape.get(0).length(); j++) {
                for (char c : shape.get(j).toCharArray()) {
                    ItemData data = letterToRecipe.getOrDefault(String.valueOf(c), ItemData.AIR);
                    inputs.add(data);
                    i++;
                }
            }

            /* Convert into a Java recipe class for autocrafting */
            List<Ingredient> ingredients = new ArrayList<>();
            for (ItemData input : inputs) {
                ingredients.add(new Ingredient(new ItemStack[]{ItemTranslator.translateToJava(input)}));
            }
            ShapedRecipeData data = new ShapedRecipeData(shape.get(0).length(), shape.size(), "crafting_table",
                    ingredients.toArray(new Ingredient[0]), ItemTranslator.translateToJava(output));
            Recipe recipe = new Recipe(RecipeType.CRAFTING_SHAPED, "", data);
            ALL_CRAFTING_RECIPES.put(netId, recipe);
            /* Convert end */

            return CraftingData.fromShaped(uuid.toString(), shape.get(0).length(), shape.size(),
                    inputs, Collections.singletonList(output), uuid, "crafting_table", 0, netId);
        }
        List<ItemData> inputs = new ObjectArrayList<>();
        for (JsonNode entry : node.get("inputs")) {
            ItemEntry inputEntry = ItemRegistry.getItemEntry(entry.get("identifier").asText());
            inputs.add(getBedrockItemFromIdentifierJson(inputEntry, entry));
        }

        /* Convert into a Java Recipe class for autocrafting */
        List<Ingredient> ingredients = new ArrayList<>();
        for (ItemData input : inputs) {
            ingredients.add(new Ingredient(new ItemStack[]{ItemTranslator.translateToJava(input)}));
        }
        ShapelessRecipeData data = new ShapelessRecipeData("crafting_table",
                ingredients.toArray(new Ingredient[0]), ItemTranslator.translateToJava(output));
        Recipe recipe = new Recipe(RecipeType.CRAFTING_SHAPELESS, "", data);
        ALL_CRAFTING_RECIPES.put(netId, recipe);
        /* Convert end */

        if (type == 5) {
            // Shulker box
            return CraftingData.fromShulkerBox(uuid.toString(),
                    inputs, Collections.singletonList(output), uuid, "crafting_table", 0, netId);
        }
        return CraftingData.fromShapeless(uuid.toString(),
                inputs, Collections.singletonList(output), uuid, "crafting_table", 0, netId);
    }

    private static ItemData getBedrockItemFromIdentifierJson(ItemEntry itemEntry, JsonNode itemNode) {
        int count = 1;
        short damage = 0;
        NbtMap tag = null;
        JsonNode damageNode = itemNode.get("bedrockDamage");
        if (damageNode != null) {
            damage = damageNode.numberValue().shortValue();
        }
        JsonNode countNode = itemNode.get("count");
        if (countNode != null) {
            count = countNode.asInt();
        }
        JsonNode nbtNode = itemNode.get("bedrockNbt");
        if (nbtNode != null) {
            byte[] bytes = Base64.getDecoder().decode(nbtNode.asText());
            ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
            try {
                tag = (NbtMap) NbtUtils.createReaderLE(bais).readTag();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return ItemData.builder()
                .id(itemEntry.getBedrockId())
                .damage(damage)
                .count(count)
                .tag(tag).build();
    }

    public static void init() {
        // no-op
    }
}