// 
// Decompiled by Procyon v0.6.0
// 

package com.hypixel.hytale.protocol;

import java.util.Objects;
import com.hypixel.hytale.protocol.io.ValidationResult;
import com.hypixel.hytale.protocol.io.ProtocolException;
import com.hypixel.hytale.protocol.io.VarInt;
import com.hypixel.hytale.protocol.io.PacketIO;
import io.netty.buffer.ByteBuf;
import javax.annotation.Nullable;
import javax.annotation.Nonnull;
import java.util.UUID;

public class InteractionChainData
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 61;
    public static final int VARIABLE_FIELD_COUNT = 1;
    public static final int VARIABLE_BLOCK_START = 61;
    public static final int MAX_SIZE = 16384066;
    public int entityId;
    @Nonnull
    public UUID proxyId;
    @Nullable
    public Vector3f hitLocation;
    @Nullable
    public String hitDetail;
    @Nullable
    public BlockPosition blockPosition;
    public int targetSlot;
    @Nullable
    public Vector3f hitNormal;
    
    public InteractionChainData() {
        this.entityId = -1;
        this.proxyId = new UUID(0L, 0L);
        this.targetSlot = Integer.MIN_VALUE;
    }
    
    public InteractionChainData(final int entityId, @Nonnull final UUID proxyId, @Nullable final Vector3f hitLocation, @Nullable final String hitDetail, @Nullable final BlockPosition blockPosition, final int targetSlot, @Nullable final Vector3f hitNormal) {
        this.entityId = -1;
        this.proxyId = new UUID(0L, 0L);
        this.targetSlot = Integer.MIN_VALUE;
        this.entityId = entityId;
        this.proxyId = proxyId;
        this.hitLocation = hitLocation;
        this.hitDetail = hitDetail;
        this.blockPosition = blockPosition;
        this.targetSlot = targetSlot;
        this.hitNormal = hitNormal;
    }
    
    public InteractionChainData(@Nonnull final InteractionChainData other) {
        this.entityId = -1;
        this.proxyId = new UUID(0L, 0L);
        this.targetSlot = Integer.MIN_VALUE;
        this.entityId = other.entityId;
        this.proxyId = other.proxyId;
        this.hitLocation = other.hitLocation;
        this.hitDetail = other.hitDetail;
        this.blockPosition = other.blockPosition;
        this.targetSlot = other.targetSlot;
        this.hitNormal = other.hitNormal;
    }
    
    @Nonnull
    public static InteractionChainData deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final InteractionChainData obj = new InteractionChainData();
        final byte nullBits = buf.getByte(offset);
        obj.entityId = buf.getIntLE(offset + 1);
        obj.proxyId = PacketIO.readUUID(buf, offset + 5);
        if ((nullBits & 0x1) != 0x0) {
            obj.hitLocation = Vector3f.deserialize(buf, offset + 21);
        }
        if ((nullBits & 0x2) != 0x0) {
            obj.blockPosition = BlockPosition.deserialize(buf, offset + 33);
        }
        obj.targetSlot = buf.getIntLE(offset + 45);
        if ((nullBits & 0x4) != 0x0) {
            obj.hitNormal = Vector3f.deserialize(buf, offset + 49);
        }
        int pos = offset + 61;
        if ((nullBits & 0x8) != 0x0) {
            final int hitDetailLen = VarInt.peek(buf, pos);
            if (hitDetailLen < 0) {
                throw ProtocolException.negativeLength("HitDetail", hitDetailLen);
            }
            if (hitDetailLen > 4096000) {
                throw ProtocolException.stringTooLong("HitDetail", hitDetailLen, 4096000);
            }
            final int hitDetailVarLen = VarInt.length(buf, pos);
            obj.hitDetail = PacketIO.readVarString(buf, pos, PacketIO.UTF8);
            pos += hitDetailVarLen + hitDetailLen;
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 61;
        if ((nullBits & 0x8) != 0x0) {
            final int sl = VarInt.peek(buf, pos);
            pos += VarInt.length(buf, pos) + sl;
        }
        return pos - offset;
    }
    
    public void serialize(@Nonnull final ByteBuf buf) {
        byte nullBits = 0;
        if (this.hitLocation != null) {
            nullBits |= 0x1;
        }
        if (this.blockPosition != null) {
            nullBits |= 0x2;
        }
        if (this.hitNormal != null) {
            nullBits |= 0x4;
        }
        if (this.hitDetail != null) {
            nullBits |= 0x8;
        }
        buf.writeByte(nullBits);
        buf.writeIntLE(this.entityId);
        PacketIO.writeUUID(buf, this.proxyId);
        if (this.hitLocation != null) {
            this.hitLocation.serialize(buf);
        }
        else {
            buf.writeZero(12);
        }
        if (this.blockPosition != null) {
            this.blockPosition.serialize(buf);
        }
        else {
            buf.writeZero(12);
        }
        buf.writeIntLE(this.targetSlot);
        if (this.hitNormal != null) {
            this.hitNormal.serialize(buf);
        }
        else {
            buf.writeZero(12);
        }
        if (this.hitDetail != null) {
            PacketIO.writeVarString(buf, this.hitDetail, 4096000);
        }
    }
    
    public int computeSize() {
        int size = 61;
        if (this.hitDetail != null) {
            size += PacketIO.stringSize(this.hitDetail);
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 61) {
            return ValidationResult.error("Buffer too small: expected at least 61 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        int pos = offset + 61;
        if ((nullBits & 0x8) != 0x0) {
            final int hitDetailLen = VarInt.peek(buffer, pos);
            if (hitDetailLen < 0) {
                return ValidationResult.error("Invalid string length for HitDetail");
            }
            if (hitDetailLen > 4096000) {
                return ValidationResult.error("HitDetail exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += hitDetailLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading HitDetail");
            }
        }
        return ValidationResult.OK;
    }
    
    public InteractionChainData clone() {
        final InteractionChainData copy = new InteractionChainData();
        copy.entityId = this.entityId;
        copy.proxyId = this.proxyId;
        copy.hitLocation = ((this.hitLocation != null) ? this.hitLocation.clone() : null);
        copy.hitDetail = this.hitDetail;
        copy.blockPosition = ((this.blockPosition != null) ? this.blockPosition.clone() : null);
        copy.targetSlot = this.targetSlot;
        copy.hitNormal = ((this.hitNormal != null) ? this.hitNormal.clone() : null);
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final InteractionChainData other) {
            return this.entityId == other.entityId && Objects.equals(this.proxyId, other.proxyId) && Objects.equals(this.hitLocation, other.hitLocation) && Objects.equals(this.hitDetail, other.hitDetail) && Objects.equals(this.blockPosition, other.blockPosition) && this.targetSlot == other.targetSlot && Objects.equals(this.hitNormal, other.hitNormal);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.entityId, this.proxyId, this.hitLocation, this.hitDetail, this.blockPosition, this.targetSlot, this.hitNormal);
    }
}