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

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

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 AssetPath
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 1;
    public static final int VARIABLE_FIELD_COUNT = 2;
    public static final int VARIABLE_BLOCK_START = 9;
    public static final int MAX_SIZE = 32768019;
    @Nullable
    public String pack;
    @Nullable
    public String path;
    
    public AssetPath() {
    }
    
    public AssetPath(@Nullable final String pack, @Nullable final String path) {
        this.pack = pack;
        this.path = path;
    }
    
    public AssetPath(@Nonnull final AssetPath other) {
        this.pack = other.pack;
        this.path = other.path;
    }
    
    @Nonnull
    public static AssetPath deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final AssetPath obj = new AssetPath();
        final byte nullBits = buf.getByte(offset);
        if ((nullBits & 0x1) != 0x0) {
            final int varPos0 = offset + 9 + buf.getIntLE(offset + 1);
            final int packLen = VarInt.peek(buf, varPos0);
            if (packLen < 0) {
                throw ProtocolException.negativeLength("Pack", packLen);
            }
            if (packLen > 4096000) {
                throw ProtocolException.stringTooLong("Pack", packLen, 4096000);
            }
            obj.pack = PacketIO.readVarString(buf, varPos0, PacketIO.UTF8);
        }
        if ((nullBits & 0x2) != 0x0) {
            final int varPos2 = offset + 9 + buf.getIntLE(offset + 5);
            final int pathLen = VarInt.peek(buf, varPos2);
            if (pathLen < 0) {
                throw ProtocolException.negativeLength("Path", pathLen);
            }
            if (pathLen > 4096000) {
                throw ProtocolException.stringTooLong("Path", pathLen, 4096000);
            }
            obj.path = PacketIO.readVarString(buf, varPos2, PacketIO.UTF8);
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int maxEnd = 9;
        if ((nullBits & 0x1) != 0x0) {
            final int fieldOffset0 = buf.getIntLE(offset + 1);
            int pos0 = offset + 9 + fieldOffset0;
            final int sl = VarInt.peek(buf, pos0);
            pos0 += VarInt.length(buf, pos0) + sl;
            if (pos0 - offset > maxEnd) {
                maxEnd = pos0 - offset;
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int fieldOffset2 = buf.getIntLE(offset + 5);
            int pos2 = offset + 9 + fieldOffset2;
            final int sl = VarInt.peek(buf, pos2);
            pos2 += VarInt.length(buf, pos2) + sl;
            if (pos2 - offset > maxEnd) {
                maxEnd = pos2 - offset;
            }
        }
        return maxEnd;
    }
    
    public void serialize(@Nonnull final ByteBuf buf) {
        final int startPos = buf.writerIndex();
        byte nullBits = 0;
        if (this.pack != null) {
            nullBits |= 0x1;
        }
        if (this.path != null) {
            nullBits |= 0x2;
        }
        buf.writeByte(nullBits);
        final int packOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int pathOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int varBlockStart = buf.writerIndex();
        if (this.pack != null) {
            buf.setIntLE(packOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.pack, 4096000);
        }
        else {
            buf.setIntLE(packOffsetSlot, -1);
        }
        if (this.path != null) {
            buf.setIntLE(pathOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.path, 4096000);
        }
        else {
            buf.setIntLE(pathOffsetSlot, -1);
        }
    }
    
    public int computeSize() {
        int size = 9;
        if (this.pack != null) {
            size += PacketIO.stringSize(this.pack);
        }
        if (this.path != null) {
            size += PacketIO.stringSize(this.path);
        }
        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);
        if ((nullBits & 0x1) != 0x0) {
            final int packOffset = buffer.getIntLE(offset + 1);
            if (packOffset < 0) {
                return ValidationResult.error("Invalid offset for Pack");
            }
            int pos = offset + 9 + packOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Pack");
            }
            final int packLen = VarInt.peek(buffer, pos);
            if (packLen < 0) {
                return ValidationResult.error("Invalid string length for Pack");
            }
            if (packLen > 4096000) {
                return ValidationResult.error("Pack exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += packLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Pack");
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int pathOffset = buffer.getIntLE(offset + 5);
            if (pathOffset < 0) {
                return ValidationResult.error("Invalid offset for Path");
            }
            int pos = offset + 9 + pathOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Path");
            }
            final int pathLen = VarInt.peek(buffer, pos);
            if (pathLen < 0) {
                return ValidationResult.error("Invalid string length for Path");
            }
            if (pathLen > 4096000) {
                return ValidationResult.error("Path exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += pathLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Path");
            }
        }
        return ValidationResult.OK;
    }
    
    public AssetPath clone() {
        final AssetPath copy = new AssetPath();
        copy.pack = this.pack;
        copy.path = this.path;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final AssetPath other) {
            return Objects.equals(this.pack, other.pack) && Objects.equals(this.path, other.path);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.pack, this.path);
    }
}