// 
// 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 ObjectiveTask
{
    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 taskDescriptionKey;
    public int currentCompletion;
    public int completionNeeded;
    
    public ObjectiveTask() {
    }
    
    public ObjectiveTask(@Nullable final String taskDescriptionKey, final int currentCompletion, final int completionNeeded) {
        this.taskDescriptionKey = taskDescriptionKey;
        this.currentCompletion = currentCompletion;
        this.completionNeeded = completionNeeded;
    }
    
    public ObjectiveTask(@Nonnull final ObjectiveTask other) {
        this.taskDescriptionKey = other.taskDescriptionKey;
        this.currentCompletion = other.currentCompletion;
        this.completionNeeded = other.completionNeeded;
    }
    
    @Nonnull
    public static ObjectiveTask deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final ObjectiveTask obj = new ObjectiveTask();
        final byte nullBits = buf.getByte(offset);
        obj.currentCompletion = buf.getIntLE(offset + 1);
        obj.completionNeeded = buf.getIntLE(offset + 5);
        int pos = offset + 9;
        if ((nullBits & 0x1) != 0x0) {
            final int taskDescriptionKeyLen = VarInt.peek(buf, pos);
            if (taskDescriptionKeyLen < 0) {
                throw ProtocolException.negativeLength("TaskDescriptionKey", taskDescriptionKeyLen);
            }
            if (taskDescriptionKeyLen > 4096000) {
                throw ProtocolException.stringTooLong("TaskDescriptionKey", taskDescriptionKeyLen, 4096000);
            }
            final int taskDescriptionKeyVarLen = VarInt.length(buf, pos);
            obj.taskDescriptionKey = PacketIO.readVarString(buf, pos, PacketIO.UTF8);
            pos += taskDescriptionKeyVarLen + taskDescriptionKeyLen;
        }
        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.taskDescriptionKey != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        buf.writeIntLE(this.currentCompletion);
        buf.writeIntLE(this.completionNeeded);
        if (this.taskDescriptionKey != null) {
            PacketIO.writeVarString(buf, this.taskDescriptionKey, 4096000);
        }
    }
    
    public int computeSize() {
        int size = 9;
        if (this.taskDescriptionKey != null) {
            size += PacketIO.stringSize(this.taskDescriptionKey);
        }
        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 taskDescriptionKeyLen = VarInt.peek(buffer, pos);
            if (taskDescriptionKeyLen < 0) {
                return ValidationResult.error("Invalid string length for TaskDescriptionKey");
            }
            if (taskDescriptionKeyLen > 4096000) {
                return ValidationResult.error("TaskDescriptionKey exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += taskDescriptionKeyLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading TaskDescriptionKey");
            }
        }
        return ValidationResult.OK;
    }
    
    public ObjectiveTask clone() {
        final ObjectiveTask copy = new ObjectiveTask();
        copy.taskDescriptionKey = this.taskDescriptionKey;
        copy.currentCompletion = this.currentCompletion;
        copy.completionNeeded = this.completionNeeded;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final ObjectiveTask other) {
            return Objects.equals(this.taskDescriptionKey, other.taskDescriptionKey) && this.currentCompletion == other.currentCompletion && this.completionNeeded == other.completionNeeded;
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.taskDescriptionKey, this.currentCompletion, this.completionNeeded);
    }
}