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

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

import java.util.Arrays;
import com.hypixel.hytale.protocol.io.ValidationResult;
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.Asset;
import com.hypixel.hytale.protocol.Packet;

public class RemoveAssets implements Packet
{
    public static final int PACKET_ID = 27;
    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 = 1;
    public static final int VARIABLE_BLOCK_START = 1;
    public static final int MAX_SIZE = 1677721600;
    @Nullable
    public Asset[] asset;
    
    @Override
    public int getId() {
        return 27;
    }
    
    public RemoveAssets() {
    }
    
    public RemoveAssets(@Nullable final Asset[] asset) {
        this.asset = asset;
    }
    
    public RemoveAssets(@Nonnull final RemoveAssets other) {
        this.asset = other.asset;
    }
    
    @Nonnull
    public static RemoveAssets deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final RemoveAssets obj = new RemoveAssets();
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 1;
        if ((nullBits & 0x1) != 0x0) {
            final int assetCount = VarInt.peek(buf, pos);
            if (assetCount < 0) {
                throw ProtocolException.negativeLength("Asset", assetCount);
            }
            if (assetCount > 4096000) {
                throw ProtocolException.arrayTooLong("Asset", assetCount, 4096000);
            }
            final int assetVarLen = VarInt.size(assetCount);
            if (pos + assetVarLen + assetCount * 64L > buf.readableBytes()) {
                throw ProtocolException.bufferTooSmall("Asset", pos + assetVarLen + assetCount * 64, buf.readableBytes());
            }
            pos += assetVarLen;
            obj.asset = new Asset[assetCount];
            for (int i = 0; i < assetCount; ++i) {
                obj.asset[i] = Asset.deserialize(buf, pos);
                pos += Asset.computeBytesConsumed(buf, pos);
            }
        }
        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 arrLen = VarInt.peek(buf, pos);
            pos += VarInt.length(buf, pos);
            for (int i = 0; i < arrLen; ++i) {
                pos += Asset.computeBytesConsumed(buf, pos);
            }
        }
        return pos - offset;
    }
    
    @Override
    public void serialize(@Nonnull final ByteBuf buf) {
        byte nullBits = 0;
        if (this.asset != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        if (this.asset != null) {
            if (this.asset.length > 4096000) {
                throw ProtocolException.arrayTooLong("Asset", this.asset.length, 4096000);
            }
            VarInt.write(buf, this.asset.length);
            for (final Asset item : this.asset) {
                item.serialize(buf);
            }
        }
    }
    
    @Override
    public int computeSize() {
        int size = 1;
        if (this.asset != null) {
            int assetSize = 0;
            for (final Asset elem : this.asset) {
                assetSize += elem.computeSize();
            }
            size += VarInt.size(this.asset.length) + assetSize;
        }
        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 assetCount = VarInt.peek(buffer, pos);
            if (assetCount < 0) {
                return ValidationResult.error("Invalid array count for Asset");
            }
            if (assetCount > 4096000) {
                return ValidationResult.error("Asset exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            for (int i = 0; i < assetCount; ++i) {
                final ValidationResult structResult = Asset.validateStructure(buffer, pos);
                if (!structResult.isValid()) {
                    return ValidationResult.error("Invalid Asset in Asset[" + i + "]: " + structResult.error());
                }
                pos += Asset.computeBytesConsumed(buffer, pos);
            }
        }
        return ValidationResult.OK;
    }
    
    public RemoveAssets clone() {
        final RemoveAssets copy = new RemoveAssets();
        copy.asset = (Asset[])((this.asset != null) ? ((Asset[])Arrays.stream(this.asset).map(e -> e.clone()).toArray(Asset[]::new)) : null);
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final RemoveAssets other) {
            return Arrays.equals(this.asset, other.asset);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        int result = 1;
        result = 31 * result + Arrays.hashCode(this.asset);
        return result;
    }
}