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

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

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;
import com.hypixel.hytale.protocol.FormattedMessage;
import com.hypixel.hytale.protocol.Packet;

public class KillFeedMessage implements Packet
{
    public static final int PACKET_ID = 213;
    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 = 3;
    public static final int VARIABLE_BLOCK_START = 13;
    public static final int MAX_SIZE = 1677721600;
    @Nullable
    public FormattedMessage killer;
    @Nullable
    public FormattedMessage decedent;
    @Nullable
    public String icon;
    
    @Override
    public int getId() {
        return 213;
    }
    
    public KillFeedMessage() {
    }
    
    public KillFeedMessage(@Nullable final FormattedMessage killer, @Nullable final FormattedMessage decedent, @Nullable final String icon) {
        this.killer = killer;
        this.decedent = decedent;
        this.icon = icon;
    }
    
    public KillFeedMessage(@Nonnull final KillFeedMessage other) {
        this.killer = other.killer;
        this.decedent = other.decedent;
        this.icon = other.icon;
    }
    
    @Nonnull
    public static KillFeedMessage deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final KillFeedMessage obj = new KillFeedMessage();
        final byte nullBits = buf.getByte(offset);
        if ((nullBits & 0x1) != 0x0) {
            final int varPos0 = offset + 13 + buf.getIntLE(offset + 1);
            obj.killer = FormattedMessage.deserialize(buf, varPos0);
        }
        if ((nullBits & 0x2) != 0x0) {
            final int varPos2 = offset + 13 + buf.getIntLE(offset + 5);
            obj.decedent = FormattedMessage.deserialize(buf, varPos2);
        }
        if ((nullBits & 0x4) != 0x0) {
            final int varPos3 = offset + 13 + buf.getIntLE(offset + 9);
            final int iconLen = VarInt.peek(buf, varPos3);
            if (iconLen < 0) {
                throw ProtocolException.negativeLength("Icon", iconLen);
            }
            if (iconLen > 4096000) {
                throw ProtocolException.stringTooLong("Icon", iconLen, 4096000);
            }
            obj.icon = PacketIO.readVarString(buf, varPos3, PacketIO.UTF8);
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int maxEnd = 13;
        if ((nullBits & 0x1) != 0x0) {
            final int fieldOffset0 = buf.getIntLE(offset + 1);
            int pos0 = offset + 13 + fieldOffset0;
            pos0 += FormattedMessage.computeBytesConsumed(buf, pos0);
            if (pos0 - offset > maxEnd) {
                maxEnd = pos0 - offset;
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int fieldOffset2 = buf.getIntLE(offset + 5);
            int pos2 = offset + 13 + fieldOffset2;
            pos2 += FormattedMessage.computeBytesConsumed(buf, pos2);
            if (pos2 - offset > maxEnd) {
                maxEnd = pos2 - offset;
            }
        }
        if ((nullBits & 0x4) != 0x0) {
            final int fieldOffset3 = buf.getIntLE(offset + 9);
            int pos3 = offset + 13 + fieldOffset3;
            final int sl = VarInt.peek(buf, pos3);
            pos3 += VarInt.length(buf, pos3) + sl;
            if (pos3 - offset > maxEnd) {
                maxEnd = pos3 - offset;
            }
        }
        return maxEnd;
    }
    
    @Override
    public void serialize(@Nonnull final ByteBuf buf) {
        final int startPos = buf.writerIndex();
        byte nullBits = 0;
        if (this.killer != null) {
            nullBits |= 0x1;
        }
        if (this.decedent != null) {
            nullBits |= 0x2;
        }
        if (this.icon != null) {
            nullBits |= 0x4;
        }
        buf.writeByte(nullBits);
        final int killerOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int decedentOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int iconOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int varBlockStart = buf.writerIndex();
        if (this.killer != null) {
            buf.setIntLE(killerOffsetSlot, buf.writerIndex() - varBlockStart);
            this.killer.serialize(buf);
        }
        else {
            buf.setIntLE(killerOffsetSlot, -1);
        }
        if (this.decedent != null) {
            buf.setIntLE(decedentOffsetSlot, buf.writerIndex() - varBlockStart);
            this.decedent.serialize(buf);
        }
        else {
            buf.setIntLE(decedentOffsetSlot, -1);
        }
        if (this.icon != null) {
            buf.setIntLE(iconOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.icon, 4096000);
        }
        else {
            buf.setIntLE(iconOffsetSlot, -1);
        }
    }
    
    @Override
    public int computeSize() {
        int size = 13;
        if (this.killer != null) {
            size += this.killer.computeSize();
        }
        if (this.decedent != null) {
            size += this.decedent.computeSize();
        }
        if (this.icon != null) {
            size += PacketIO.stringSize(this.icon);
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 13) {
            return ValidationResult.error("Buffer too small: expected at least 13 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        if ((nullBits & 0x1) != 0x0) {
            final int killerOffset = buffer.getIntLE(offset + 1);
            if (killerOffset < 0) {
                return ValidationResult.error("Invalid offset for Killer");
            }
            int pos = offset + 13 + killerOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Killer");
            }
            final ValidationResult killerResult = FormattedMessage.validateStructure(buffer, pos);
            if (!killerResult.isValid()) {
                return ValidationResult.error("Invalid Killer: " + killerResult.error());
            }
            pos += FormattedMessage.computeBytesConsumed(buffer, pos);
        }
        if ((nullBits & 0x2) != 0x0) {
            final int decedentOffset = buffer.getIntLE(offset + 5);
            if (decedentOffset < 0) {
                return ValidationResult.error("Invalid offset for Decedent");
            }
            int pos = offset + 13 + decedentOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Decedent");
            }
            final ValidationResult decedentResult = FormattedMessage.validateStructure(buffer, pos);
            if (!decedentResult.isValid()) {
                return ValidationResult.error("Invalid Decedent: " + decedentResult.error());
            }
            pos += FormattedMessage.computeBytesConsumed(buffer, pos);
        }
        if ((nullBits & 0x4) != 0x0) {
            final int iconOffset = buffer.getIntLE(offset + 9);
            if (iconOffset < 0) {
                return ValidationResult.error("Invalid offset for Icon");
            }
            int pos = offset + 13 + iconOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Icon");
            }
            final int iconLen = VarInt.peek(buffer, pos);
            if (iconLen < 0) {
                return ValidationResult.error("Invalid string length for Icon");
            }
            if (iconLen > 4096000) {
                return ValidationResult.error("Icon exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += iconLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Icon");
            }
        }
        return ValidationResult.OK;
    }
    
    public KillFeedMessage clone() {
        final KillFeedMessage copy = new KillFeedMessage();
        copy.killer = ((this.killer != null) ? this.killer.clone() : null);
        copy.decedent = ((this.decedent != null) ? this.decedent.clone() : null);
        copy.icon = this.icon;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final KillFeedMessage other) {
            return Objects.equals(this.killer, other.killer) && Objects.equals(this.decedent, other.decedent) && Objects.equals(this.icon, other.icon);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.killer, this.decedent, this.icon);
    }
}