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

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

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 BuilderToolBlockArg
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 2;
    public static final int VARIABLE_FIELD_COUNT = 1;
    public static final int VARIABLE_BLOCK_START = 2;
    public static final int MAX_SIZE = 16384007;
    @Nullable
    public String defaultValue;
    public boolean allowPattern;
    
    public BuilderToolBlockArg() {
    }
    
    public BuilderToolBlockArg(@Nullable final String defaultValue, final boolean allowPattern) {
        this.defaultValue = defaultValue;
        this.allowPattern = allowPattern;
    }
    
    public BuilderToolBlockArg(@Nonnull final BuilderToolBlockArg other) {
        this.defaultValue = other.defaultValue;
        this.allowPattern = other.allowPattern;
    }
    
    @Nonnull
    public static BuilderToolBlockArg deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final BuilderToolBlockArg obj = new BuilderToolBlockArg();
        final byte nullBits = buf.getByte(offset);
        obj.allowPattern = (buf.getByte(offset + 1) != 0);
        int pos = offset + 2;
        if ((nullBits & 0x1) != 0x0) {
            final int defaultValueLen = VarInt.peek(buf, pos);
            if (defaultValueLen < 0) {
                throw ProtocolException.negativeLength("Default", defaultValueLen);
            }
            if (defaultValueLen > 4096000) {
                throw ProtocolException.stringTooLong("Default", defaultValueLen, 4096000);
            }
            final int defaultValueVarLen = VarInt.length(buf, pos);
            obj.defaultValue = PacketIO.readVarString(buf, pos, PacketIO.UTF8);
            pos += defaultValueVarLen + defaultValueLen;
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 2;
        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.defaultValue != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        buf.writeByte(this.allowPattern ? 1 : 0);
        if (this.defaultValue != null) {
            PacketIO.writeVarString(buf, this.defaultValue, 4096000);
        }
    }
    
    public int computeSize() {
        int size = 2;
        if (this.defaultValue != null) {
            size += PacketIO.stringSize(this.defaultValue);
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 2) {
            return ValidationResult.error("Buffer too small: expected at least 2 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        int pos = offset + 2;
        if ((nullBits & 0x1) != 0x0) {
            final int defaultLen = VarInt.peek(buffer, pos);
            if (defaultLen < 0) {
                return ValidationResult.error("Invalid string length for Default");
            }
            if (defaultLen > 4096000) {
                return ValidationResult.error("Default exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += defaultLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Default");
            }
        }
        return ValidationResult.OK;
    }
    
    public BuilderToolBlockArg clone() {
        final BuilderToolBlockArg copy = new BuilderToolBlockArg();
        copy.defaultValue = this.defaultValue;
        copy.allowPattern = this.allowPattern;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final BuilderToolBlockArg other) {
            return Objects.equals(this.defaultValue, other.defaultValue) && this.allowPattern == other.allowPattern;
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.defaultValue, this.allowPattern);
    }
}