/*
 * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
 * Copyright (C) 2016-2021 ViaVersion and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.viaversion.viaversion.protocols.protocol1_13_1to1_13.packets;

import com.viaversion.viaversion.api.minecraft.entities.Entity1_13Types;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.api.type.types.version.Types1_13;
import com.viaversion.viaversion.protocols.protocol1_13_1to1_13.Protocol1_13_1To1_13;
import com.viaversion.viaversion.protocols.protocol1_13_1to1_13.metadata.MetadataRewriter1_13_1To1_13;
import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13;

public class EntityPackets {

    public static void register(Protocol1_13_1To1_13 protocol) {
        MetadataRewriter1_13_1To1_13 metadataRewriter = protocol.get(MetadataRewriter1_13_1To1_13.class);

        protocol.registerClientbound(ClientboundPackets1_13.SPAWN_ENTITY, new PacketRemapper() {
            @Override
            public void registerMap() {
                map(Type.VAR_INT); // 0 - Entity id
                map(Type.UUID); // 1 - UUID
                map(Type.BYTE); // 2 - Type
                map(Type.DOUBLE); // 3 - X
                map(Type.DOUBLE); // 4 - Y
                map(Type.DOUBLE); // 5 - Z
                map(Type.BYTE); // 6 - Pitch
                map(Type.BYTE); // 7 - Yaw
                map(Type.INT); // 8 - Data

                // Track Entity
                handler(new PacketHandler() {
                    @Override
                    public void handle(PacketWrapper wrapper) throws Exception {
                        int entityId = wrapper.get(Type.VAR_INT, 0);
                        byte type = wrapper.get(Type.BYTE, 0);
                        Entity1_13Types.EntityType entType = Entity1_13Types.getTypeFromId(type, true);

                        if (entType != null) {
                            if (entType.is(Entity1_13Types.EntityType.FALLING_BLOCK)) {
                                int data = wrapper.get(Type.INT, 0);
                                wrapper.set(Type.INT, 0, protocol.getMappingData().getNewBlockStateId(data));
                            }
                            // Register Type ID
                            wrapper.user().getEntityTracker(Protocol1_13_1To1_13.class).addEntity(entityId, entType);
                        }
                    }
                });
            }
        });

        protocol.registerClientbound(ClientboundPackets1_13.SPAWN_MOB, new PacketRemapper() {
            @Override
            public void registerMap() {
                map(Type.VAR_INT); // 0 - Entity ID
                map(Type.UUID); // 1 - Entity UUID
                map(Type.VAR_INT); // 2 - Entity Type
                map(Type.DOUBLE); // 3 - X
                map(Type.DOUBLE); // 4 - Y
                map(Type.DOUBLE); // 5 - Z
                map(Type.BYTE); // 6 - Yaw
                map(Type.BYTE); // 7 - Pitch
                map(Type.BYTE); // 8 - Head Pitch
                map(Type.SHORT); // 9 - Velocity X
                map(Type.SHORT); // 10 - Velocity Y
                map(Type.SHORT); // 11 - Velocity Z
                map(Types1_13.METADATA_LIST); // 12 - Metadata

                handler(metadataRewriter.trackerAndRewriterHandler(Types1_13.METADATA_LIST));
            }
        });

        protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PLAYER, new PacketRemapper() {
            @Override
            public void registerMap() {
                map(Type.VAR_INT); // 0 - Entity ID
                map(Type.UUID); // 1 - Player UUID
                map(Type.DOUBLE); // 2 - X
                map(Type.DOUBLE); // 3 - Y
                map(Type.DOUBLE); // 4 - Z
                map(Type.BYTE); // 5 - Yaw
                map(Type.BYTE); // 6 - Pitch
                map(Types1_13.METADATA_LIST); // 7 - Metadata

                handler(metadataRewriter.trackerAndRewriterHandler(Types1_13.METADATA_LIST, Entity1_13Types.EntityType.PLAYER));
            }
        });

        metadataRewriter.registerRemoveEntities(ClientboundPackets1_13.DESTROY_ENTITIES);
        metadataRewriter.registerMetadataRewriter(ClientboundPackets1_13.ENTITY_METADATA, Types1_13.METADATA_LIST);
    }
}