package com.pahimar.ee3.network.message;

import com.pahimar.ee3.inventory.element.IElementSliderHandler;
import com.pahimar.repackage.cofh.lib.gui.element.ElementSlider;
import cpw.mods.fml.common.network.simpleimpl.IMessage;
import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
import cpw.mods.fml.common.network.simpleimpl.MessageContext;
import io.netty.buffer.ByteBuf;
import net.minecraft.entity.player.EntityPlayer;

public class MessageSliderElementUpdated implements IMessage, IMessageHandler<MessageSliderElementUpdated, IMessage>
{
    public String elementName;
    public int elementValue;

    public MessageSliderElementUpdated()
    {
    }

    public MessageSliderElementUpdated(ElementSlider elementSlider)
    {
        this(elementSlider.getName(), elementSlider.getValue());
    }

    public MessageSliderElementUpdated(String elementName, int elementValue)
    {
        this.elementName = elementName;
        this.elementValue = elementValue;
    }

    @Override
    public void fromBytes(ByteBuf buf)
    {
        int elementNameLength = buf.readInt();
        this.elementName = new String(buf.readBytes(elementNameLength).array());
        this.elementValue = buf.readInt();
    }

    @Override
    public void toBytes(ByteBuf buf)
    {
        if (elementName != null)
        {
            buf.writeInt(elementName.length());
            buf.writeBytes(elementName.getBytes());
        }
        else
        {
            buf.writeInt(0);
        }
        buf.writeInt(elementValue);
    }

    @Override
    public IMessage onMessage(MessageSliderElementUpdated message, MessageContext ctx)
    {
        EntityPlayer entityPlayer = ctx.getServerHandler().playerEntity;

        if (entityPlayer != null)
        {
            if (entityPlayer.openContainer instanceof IElementSliderHandler)
            {
                ((IElementSliderHandler) entityPlayer.openContainer).handleElementSliderUpdate(message.elementName, message.elementValue);
            }
        }

        return null;
    }
}