// 
// 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 ItemToolSpec
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 9;
    public static final int VARIABLE_FIELD_COUNT = 1;
    public static final int VARIABLE_BLOCK_START = 9;
    public static final int MAX_SIZE = 16384014;
    @Nullable
    public String gatherType;
    public float power;
    public int quality;
    
    public ItemToolSpec() {
    }
    
    public ItemToolSpec(@Nullable final String gatherType, final float power, final int quality) {
        this.gatherType = gatherType;
        this.power = power;
        this.quality = quality;
    }
    
    public ItemToolSpec(@Nonnull final ItemToolSpec other) {
        this.gatherType = other.gatherType;
        this.power = other.power;
        this.quality = other.quality;
    }
    
    @Nonnull
    public static ItemToolSpec deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final ItemToolSpec obj = new ItemToolSpec();
        final byte nullBits = buf.getByte(offset);
        obj.power = buf.getFloatLE(offset + 1);
        obj.quality = buf.getIntLE(offset + 5);
        int pos = offset + 9;
        if ((nullBits & 0x1) != 0x0) {
            final int gatherTypeLen = VarInt.peek(buf, pos);
            if (gatherTypeLen < 0) {
                throw ProtocolException.negativeLength("GatherType", gatherTypeLen);
            }
            if (gatherTypeLen > 4096000) {
                throw ProtocolException.stringTooLong("GatherType", gatherTypeLen, 4096000);
            }
            final int gatherTypeVarLen = VarInt.length(buf, pos);
            obj.gatherType = PacketIO.readVarString(buf, pos, PacketIO.UTF8);
            pos += gatherTypeVarLen + gatherTypeLen;
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 9;
        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.gatherType != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        buf.writeFloatLE(this.power);
        buf.writeIntLE(this.quality);
        if (this.gatherType != null) {
            PacketIO.writeVarString(buf, this.gatherType, 4096000);
        }
    }
    
    public int computeSize() {
        int size = 9;
        if (this.gatherType != null) {
            size += PacketIO.stringSize(this.gatherType);
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 9) {
            return ValidationResult.error("Buffer too small: expected at least 9 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        int pos = offset + 9;
        if ((nullBits & 0x1) != 0x0) {
            final int gatherTypeLen = VarInt.peek(buffer, pos);
            if (gatherTypeLen < 0) {
                return ValidationResult.error("Invalid string length for GatherType");
            }
            if (gatherTypeLen > 4096000) {
                return ValidationResult.error("GatherType exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += gatherTypeLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading GatherType");
            }
        }
        return ValidationResult.OK;
    }
    
    public ItemToolSpec clone() {
        final ItemToolSpec copy = new ItemToolSpec();
        copy.gatherType = this.gatherType;
        copy.power = this.power;
        copy.quality = this.quality;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final ItemToolSpec other) {
            return Objects.equals(this.gatherType, other.gatherType) && this.power == other.power && this.quality == other.quality;
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.gatherType, this.power, this.quality);
    }
}