package appeng.fluids.client.gui.widgets;


import java.util.Collections;

import appeng.container.slot.IJEITargetSlot;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.texture.TextureAtlasSprite;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.fluids.FluidUtil;
import net.minecraftforge.fluids.capability.CapabilityFluidHandler;

import appeng.api.storage.data.IAEFluidStack;
import appeng.client.gui.widgets.GuiCustomSlot;
import appeng.core.sync.network.NetworkHandler;
import appeng.core.sync.packets.PacketFluidSlot;
import appeng.fluids.util.AEFluidStack;
import appeng.fluids.util.IAEFluidTank;


public class GuiFluidSlot extends GuiCustomSlot implements IJEITargetSlot
{
	private final IAEFluidTank fluids;
	private final int slot;

	public GuiFluidSlot( final IAEFluidTank fluids, final int slot, final int id, final int x, final int y )
	{
		super( id, x, y );
		this.fluids = fluids;
		this.slot = slot;
	}

	@Override
	public void drawContent( final Minecraft mc, final int mouseX, final int mouseY, final float partialTicks )
	{
		final IAEFluidStack fs = this.getFluidStack();
		if( fs != null )
		{
			GlStateManager.disableLighting();
			GlStateManager.disableBlend();
			final Fluid fluid = fs.getFluid();
			mc.getTextureManager().bindTexture( TextureMap.LOCATION_BLOCKS_TEXTURE );
			final TextureAtlasSprite sprite = mc.getTextureMapBlocks().getAtlasSprite( fluid.getStill().toString() );

			// Set color for dynamic fluids
			// Convert int color to RGB
			final float red = ( fluid.getColor() >> 16 & 255 ) / 255.0F;
			final float green = ( fluid.getColor() >> 8 & 255 ) / 255.0F;
			final float blue = ( fluid.getColor() & 255 ) / 255.0F;
			GlStateManager.color( red, green, blue );

			this.drawTexturedModalRect( this.xPos(), this.yPos(), sprite, this.getWidth(), this.getHeight() );
		}
	}

	@Override
	public boolean canClick( final EntityPlayer player )
	{
		final ItemStack mouseStack = player.inventory.getItemStack();
		return mouseStack.isEmpty() || mouseStack.hasCapability( CapabilityFluidHandler.FLUID_HANDLER_ITEM_CAPABILITY, null );
	}

	@Override
	public void slotClicked( final ItemStack clickStack, int mouseButton )
	{
		if( clickStack.isEmpty() || mouseButton == 1 )
		{
			this.setFluidStack( null );
		}
		else if( mouseButton == 0 )
		{
			final FluidStack fluid = FluidUtil.getFluidContained( clickStack );
			if( fluid != null )
			{
				this.setFluidStack( AEFluidStack.fromFluidStack( fluid ) );
			}
		}
	}

	@Override
	public String getMessage()
	{
		final IAEFluidStack fluid = this.getFluidStack();
		if( fluid != null )
		{
			return fluid.getFluidStack().getLocalizedName();
		}
		return null;
	}

	@Override
	public boolean isVisible()
	{
		return true;
	}

	public IAEFluidStack getFluidStack()
	{
		return this.fluids.getFluidInSlot( this.slot );
	}

	public void setFluidStack( final IAEFluidStack stack )
	{
		this.fluids.setFluidInSlot( this.slot, stack );
		NetworkHandler.instance().sendToServer( new PacketFluidSlot( Collections.singletonMap( this.getId(), this.getFluidStack() ) ) );
	}
}