// 
// 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.PacketIO;
import com.hypixel.hytale.protocol.io.ProtocolException;
import com.hypixel.hytale.protocol.io.VarInt;
import io.netty.buffer.ByteBuf;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class Nameplate
{
    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 = 16384006;
    @Nullable
    public String text;
    
    public Nameplate() {
    }
    
    public Nameplate(@Nullable final String text) {
        this.text = text;
    }
    
    public Nameplate(@Nonnull final Nameplate other) {
        this.text = other.text;
    }
    
    @Nonnull
    public static Nameplate deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final Nameplate obj = new Nameplate();
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 1;
        if ((nullBits & 0x1) != 0x0) {
            final int textLen = VarInt.peek(buf, pos);
            if (textLen < 0) {
                throw ProtocolException.negativeLength("Text", textLen);
            }
            if (textLen > 4096000) {
                throw ProtocolException.stringTooLong("Text", textLen, 4096000);
            }
            final int textVarLen = VarInt.length(buf, pos);
            obj.text = PacketIO.readVarString(buf, pos, PacketIO.UTF8);
            pos += textVarLen + textLen;
        }
        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) {
            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.text != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        if (this.text != null) {
            PacketIO.writeVarString(buf, this.text, 4096000);
        }
    }
    
    public int computeSize() {
        int size = 1;
        if (this.text != null) {
            size += PacketIO.stringSize(this.text);
        }
        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 int textLen = VarInt.peek(buffer, pos);
            if (textLen < 0) {
                return ValidationResult.error("Invalid string length for Text");
            }
            if (textLen > 4096000) {
                return ValidationResult.error("Text exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += textLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Text");
            }
        }
        return ValidationResult.OK;
    }
    
    public Nameplate clone() {
        final Nameplate copy = new Nameplate();
        copy.text = this.text;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final Nameplate other) {
            return Objects.equals(this.text, other.text);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.text);
    }
}