/*
 * Copyright (c) 2019-2022 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.geyser.translator.protocol.bedrock;

import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
import com.github.steveice10.opennbt.tag.builtin.ListTag;
import com.github.steveice10.opennbt.tag.builtin.StringTag;
import org.cloudburstmc.math.vector.Vector3i;
import org.cloudburstmc.protocol.bedrock.packet.BlockPickRequestPacket;
import org.geysermc.geyser.entity.EntityDefinitions;
import org.geysermc.geyser.entity.type.ItemFrameEntity;
import org.geysermc.geyser.level.block.BlockStateValues;
import org.geysermc.geyser.registry.BlockRegistries;
import org.geysermc.geyser.registry.type.BlockMapping;
import org.geysermc.geyser.registry.type.ItemMapping;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.protocol.PacketTranslator;
import org.geysermc.geyser.translator.protocol.Translator;
import org.geysermc.geyser.util.InventoryUtils;

@Translator(packet = BlockPickRequestPacket.class)
public class BedrockBlockPickRequestTranslator extends PacketTranslator<BlockPickRequestPacket> {

    @Override
    public void translate(GeyserSession session, BlockPickRequestPacket packet) {
        Vector3i vector = packet.getBlockPosition();
        int blockToPick = session.getGeyser().getWorldManager().getBlockAt(session, vector.getX(), vector.getY(), vector.getZ());
        
        // Block is air - chunk caching is probably off
        if (blockToPick == BlockStateValues.JAVA_AIR_ID) {
            // Check for an item frame since the client thinks that's a block when it's an entity in Java
            ItemFrameEntity entity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
            if (entity != null) {
                // Check to see if the item frame has an item in it first
                if (!InventoryUtils.isEmpty(entity.getHeldItem())) {
                    // Grab the item in the frame
                    InventoryUtils.findOrCreateItem(session, entity.getHeldItem());
                } else {
                    // Grab the frame as the item
                    InventoryUtils.findOrCreateItem(session, entity.getDefinition() == EntityDefinitions.GLOW_ITEM_FRAME ? "minecraft:glow_item_frame" : "minecraft:item_frame");
                }
            }
            return;
        }

        BlockMapping blockMapping = BlockRegistries.JAVA_BLOCKS.getOrDefault(blockToPick, BlockMapping.DEFAULT);
        boolean addNbtData = packet.isAddUserData() && blockMapping.isBlockEntity(); // Holding down CTRL
        if (BlockStateValues.getBannerColor(blockToPick) != -1 || addNbtData) {
            session.getGeyser().getWorldManager().getPickItemNbt(session, vector.getX(), vector.getY(), vector.getZ(), addNbtData)
                    .whenComplete((tag, ex) -> session.ensureInEventLoop(() -> {
                        if (tag == null) {
                            pickItem(session, blockMapping);
                            return;
                        }

                        if (addNbtData) {
                            ListTag lore = new ListTag("Lore");
                            lore.add(new StringTag("", "\"(+NBT)\""));
                            CompoundTag display = tag.get("display");
                            if (display == null) {
                                display = new CompoundTag("display");
                                tag.put(display);
                            }
                            display.put(lore);
                        }
                        // I don't really like this... I'd rather get an ID from the block mapping I think
                        ItemMapping mapping = session.getItemMappings().getMapping(blockMapping.getPickItem());

                        ItemStack itemStack = new ItemStack(mapping.getJavaItem().javaId(), 1, tag);
                        InventoryUtils.findOrCreateItem(session, itemStack);
                    }));
            return;
        }

        pickItem(session, blockMapping);
    }

    private void pickItem(GeyserSession session, BlockMapping blockToPick) {
        InventoryUtils.findOrCreateItem(session, blockToPick.getPickItem());
    }
}