package us.myles.ViaVersion.protocols.protocol1_17to1_16_4.packets;

import us.myles.ViaVersion.api.entities.Entity1_17Types;
import us.myles.ViaVersion.api.protocol.ClientboundPacketType;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
import us.myles.ViaVersion.api.type.Type;
import us.myles.ViaVersion.api.type.types.version.Types1_14;
import us.myles.ViaVersion.api.type.types.version.Types1_17;
import us.myles.ViaVersion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2;
import us.myles.ViaVersion.protocols.protocol1_17to1_16_4.ClientboundPackets1_17;
import us.myles.ViaVersion.protocols.protocol1_17to1_16_4.Protocol1_17To1_16_4;
import us.myles.ViaVersion.protocols.protocol1_17to1_16_4.metadata.MetadataRewriter1_17To1_16_4;

public class EntityPackets {

    public static void register(Protocol1_17To1_16_4 protocol) {
        MetadataRewriter1_17To1_16_4 metadataRewriter = protocol.get(MetadataRewriter1_17To1_16_4.class);
        metadataRewriter.registerSpawnTrackerWithData(ClientboundPackets1_16_2.SPAWN_ENTITY, Entity1_17Types.FALLING_BLOCK);
        metadataRewriter.registerTracker(ClientboundPackets1_16_2.SPAWN_MOB);
        metadataRewriter.registerTracker(ClientboundPackets1_16_2.SPAWN_PLAYER, Entity1_17Types.PLAYER);
        metadataRewriter.registerMetadataRewriter(ClientboundPackets1_16_2.ENTITY_METADATA, Types1_14.METADATA_LIST, Types1_17.METADATA_LIST);
        metadataRewriter.registerEntityDestroy(ClientboundPackets1_16_2.DESTROY_ENTITIES);

        protocol.registerOutgoing(ClientboundPackets1_16_2.ENTITY_PROPERTIES, new PacketRemapper() {
            @Override
            public void registerMap() {
                map(Type.VAR_INT); // Entity id
                handler(wrapper -> {
                    // Collection length is now a var int
                    wrapper.write(Type.VAR_INT, wrapper.read(Type.INT));
                });
            }
        });

        protocol.registerOutgoing(ClientboundPackets1_16_2.PLAYER_POSITION, new PacketRemapper() {
            @Override
            public void registerMap() {
                map(Type.DOUBLE);
                map(Type.DOUBLE);
                map(Type.DOUBLE);
                map(Type.FLOAT);
                map(Type.FLOAT);
                map(Type.BYTE);
                map(Type.VAR_INT);
                handler(wrapper -> {
                    // Dismount vehicle
                    wrapper.write(Type.BOOLEAN, false);
                });
            }
        });

        protocol.registerOutgoing(ClientboundPackets1_16_2.COMBAT_EVENT, null, new PacketRemapper() {
            @Override
            public void registerMap() {
                handler(wrapper -> {
                    // Combat packet actions have been split into individual packets (the content hasn't changed)
                    int type = wrapper.read(Type.VAR_INT);
                    ClientboundPacketType packetType;
                    switch (type) {
                        case 0:
                            packetType = ClientboundPackets1_17.COMBAT_ENTER;
                            break;
                        case 1:
                            packetType = ClientboundPackets1_17.COMBAT_END;
                            break;
                        case 2:
                            packetType = ClientboundPackets1_17.COMBAT_KILL;
                            break;
                        default:
                            throw new IllegalArgumentException("Invalid combat type received: " + type);
                    }

                    wrapper.setId(packetType.ordinal());
                });
            }
        });

        // The parent class of the other entity move packets that is never actually used has finally been removed from the id list
        protocol.cancelOutgoing(ClientboundPackets1_16_2.ENTITY_MOVEMENT);
    }
}