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

package com.hypixel.hytale.protocol.packets.assets;

import java.util.Objects;
import com.hypixel.hytale.protocol.io.ValidationResult;
import io.netty.buffer.ByteBuf;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.hypixel.hytale.protocol.Objective;
import com.hypixel.hytale.protocol.Packet;

public class TrackOrUpdateObjective implements Packet
{
    public static final int PACKET_ID = 69;
    public static final boolean IS_COMPRESSED = false;
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 1;
    public static final int VARIABLE_FIELD_COUNT = 1;
    public static final int VARIABLE_BLOCK_START = 1;
    public static final int MAX_SIZE = 1677721600;
    @Nullable
    public Objective objective;
    
    @Override
    public int getId() {
        return 69;
    }
    
    public TrackOrUpdateObjective() {
    }
    
    public TrackOrUpdateObjective(@Nullable final Objective objective) {
        this.objective = objective;
    }
    
    public TrackOrUpdateObjective(@Nonnull final TrackOrUpdateObjective other) {
        this.objective = other.objective;
    }
    
    @Nonnull
    public static TrackOrUpdateObjective deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final TrackOrUpdateObjective obj = new TrackOrUpdateObjective();
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 1;
        if ((nullBits & 0x1) != 0x0) {
            obj.objective = Objective.deserialize(buf, pos);
            pos += Objective.computeBytesConsumed(buf, pos);
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 1;
        if ((nullBits & 0x1) != 0x0) {
            pos += Objective.computeBytesConsumed(buf, pos);
        }
        return pos - offset;
    }
    
    @Override
    public void serialize(@Nonnull final ByteBuf buf) {
        byte nullBits = 0;
        if (this.objective != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        if (this.objective != null) {
            this.objective.serialize(buf);
        }
    }
    
    @Override
    public int computeSize() {
        int size = 1;
        if (this.objective != null) {
            size += this.objective.computeSize();
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 1) {
            return ValidationResult.error("Buffer too small: expected at least 1 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        int pos = offset + 1;
        if ((nullBits & 0x1) != 0x0) {
            final ValidationResult objectiveResult = Objective.validateStructure(buffer, pos);
            if (!objectiveResult.isValid()) {
                return ValidationResult.error("Invalid Objective: " + objectiveResult.error());
            }
            pos += Objective.computeBytesConsumed(buffer, pos);
        }
        return ValidationResult.OK;
    }
    
    public TrackOrUpdateObjective clone() {
        final TrackOrUpdateObjective copy = new TrackOrUpdateObjective();
        copy.objective = ((this.objective != null) ? this.objective.clone() : null);
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final TrackOrUpdateObjective other) {
            return Objects.equals(this.objective, other.objective);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.objective);
    }
}