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

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

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.Packet;

public class CustomHud implements Packet
{
    public static final int PACKET_ID = 217;
    public static final boolean IS_COMPRESSED = true;
    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 = 1677721600;
    public boolean clear;
    @Nullable
    public CustomUICommand[] commands;
    
    @Override
    public int getId() {
        return 217;
    }
    
    public CustomHud() {
    }
    
    public CustomHud(final boolean clear, @Nullable final CustomUICommand[] commands) {
        this.clear = clear;
        this.commands = commands;
    }
    
    public CustomHud(@Nonnull final CustomHud other) {
        this.clear = other.clear;
        this.commands = other.commands;
    }
    
    @Nonnull
    public static CustomHud deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final CustomHud obj = new CustomHud();
        final byte nullBits = buf.getByte(offset);
        obj.clear = (buf.getByte(offset + 1) != 0);
        int pos = offset + 2;
        if ((nullBits & 0x1) != 0x0) {
            final int commandsCount = VarInt.peek(buf, pos);
            if (commandsCount < 0) {
                throw ProtocolException.negativeLength("Commands", commandsCount);
            }
            if (commandsCount > 4096000) {
                throw ProtocolException.arrayTooLong("Commands", commandsCount, 4096000);
            }
            final int commandsVarLen = VarInt.size(commandsCount);
            if (pos + commandsVarLen + commandsCount * 2L > buf.readableBytes()) {
                throw ProtocolException.bufferTooSmall("Commands", pos + commandsVarLen + commandsCount * 2, buf.readableBytes());
            }
            pos += commandsVarLen;
            obj.commands = new CustomUICommand[commandsCount];
            for (int i = 0; i < commandsCount; ++i) {
                obj.commands[i] = CustomUICommand.deserialize(buf, pos);
                pos += CustomUICommand.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 + 2;
        if ((nullBits & 0x1) != 0x0) {
            final int arrLen = VarInt.peek(buf, pos);
            pos += VarInt.length(buf, pos);
            for (int i = 0; i < arrLen; ++i) {
                pos += CustomUICommand.computeBytesConsumed(buf, pos);
            }
        }
        return pos - offset;
    }
    
    @Override
    public void serialize(@Nonnull final ByteBuf buf) {
        byte nullBits = 0;
        if (this.commands != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        buf.writeByte(this.clear ? 1 : 0);
        if (this.commands != null) {
            if (this.commands.length > 4096000) {
                throw ProtocolException.arrayTooLong("Commands", this.commands.length, 4096000);
            }
            VarInt.write(buf, this.commands.length);
            for (final CustomUICommand item : this.commands) {
                item.serialize(buf);
            }
        }
    }
    
    @Override
    public int computeSize() {
        int size = 2;
        if (this.commands != null) {
            int commandsSize = 0;
            for (final CustomUICommand elem : this.commands) {
                commandsSize += elem.computeSize();
            }
            size += VarInt.size(this.commands.length) + commandsSize;
        }
        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 commandsCount = VarInt.peek(buffer, pos);
            if (commandsCount < 0) {
                return ValidationResult.error("Invalid array count for Commands");
            }
            if (commandsCount > 4096000) {
                return ValidationResult.error("Commands exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            for (int i = 0; i < commandsCount; ++i) {
                final ValidationResult structResult = CustomUICommand.validateStructure(buffer, pos);
                if (!structResult.isValid()) {
                    return ValidationResult.error("Invalid CustomUICommand in Commands[" + i + "]: " + structResult.error());
                }
                pos += CustomUICommand.computeBytesConsumed(buffer, pos);
            }
        }
        return ValidationResult.OK;
    }
    
    public CustomHud clone() {
        final CustomHud copy = new CustomHud();
        copy.clear = this.clear;
        copy.commands = (CustomUICommand[])((this.commands != null) ? ((CustomUICommand[])Arrays.stream(this.commands).map(e -> e.clone()).toArray(CustomUICommand[]::new)) : null);
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final CustomHud other) {
            return this.clear == other.clear && Arrays.equals(this.commands, other.commands);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        int result = 1;
        result = 31 * result + Boolean.hashCode(this.clear);
        result = 31 * result + Arrays.hashCode(this.commands);
        return result;
    }
}