package gregtech.api.interfaces.tileentity;

import static gregtech.api.enums.GT_Values.V;
import cofh.api.energy.IEnergyReceiver;
import gregtech.api.GregTech_API;
import gregtech.api.util.GT_Utility;
import ic2.api.energy.tile.IEnergySink;
import net.minecraft.init.Blocks;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import net.minecraftforge.common.util.ForgeDirection;

/**
 * Interface for getting Connected to the GregTech Energy Network.
 * 
 * This is all you need to connect to the GT Network.
 * IColoredTileEntity is needed for not connecting differently coloured Blocks to each other.
 * IHasWorldObjectAndCoords is needed for the InWorld related Stuff. @BaseTileEntity does implement most of that Interface.
 */
public interface IEnergyConnected extends IColoredTileEntity, IHasWorldObjectAndCoords {
	/**
	 * Inject Energy Call for Electricity. Gets called by EnergyEmitters to inject Energy into your Block
	 * 
	 * Note: you have to check for @inputEnergyFrom because the Network won't check for that by itself.
	 * 
	 * @param aSide 0 - 5 = Vanilla Directions of YOUR Block the Energy gets inserted to. 6 = No specific Side (don't do Side checks for this Side)
	 * @return amount of used Amperes. 0 if not accepted anything.
	 */
	public long injectEnergyUnits(byte aSide, long aVoltage, long aAmperage);
	
	/**
	 * Sided Energy Input
	 */
	public boolean inputEnergyFrom(byte aSide);
	
	/**
	 * Sided Energy Output
	 */
	public boolean outputsEnergyTo(byte aSide);
	
	/**
	 * Utility for the Network
	 */
	public static class Util {
	    /**
	     * Emits Energy to the E-net. Also compatible with adjacent IC2 TileEntities.
	     * @return the used Amperage.
	     */
		public static final long emitEnergyToNetwork(long aVoltage, long aAmperage, IEnergyConnected aEmitter) {
			long rUsedAmperes = 0;
			for (byte i = 0, j = 0; i < 6 && aAmperage > rUsedAmperes; i++) if (aEmitter.outputsEnergyTo(i)) {
				j = GT_Utility.getOppositeSide(i);
				TileEntity tTileEntity = aEmitter.getTileEntityAtSide(i);
				if (tTileEntity instanceof IEnergyConnected) {
	    			if (aEmitter.getColorization() >= 0) {
						byte tColor = ((IEnergyConnected)tTileEntity).getColorization();
						if (tColor >= 0 && tColor != aEmitter.getColorization()) continue;
					}
					rUsedAmperes+=((IEnergyConnected)tTileEntity).injectEnergyUnits(j, aVoltage, aAmperage-rUsedAmperes);
//				} else if (tTileEntity instanceof IEnergySink) {
//	        		if (((IEnergySink)tTileEntity).acceptsEnergyFrom((TileEntity)aEmitter, ForgeDirection.getOrientation(j))) {
//	        			while (aAmperage > rUsedAmperes && ((IEnergySink)tTileEntity).demandedEnergyUnits() > 0 && ((IEnergySink)tTileEntity).injectEnergyUnits(ForgeDirection.getOrientation(j), aVoltage) < aVoltage) rUsedAmperes++;
//	        		}
	    		} else if (tTileEntity instanceof IEnergySink) {
	        		if (((IEnergySink)tTileEntity).acceptsEnergyFrom((TileEntity)aEmitter, ForgeDirection.getOrientation(j))) {
	        			while (aAmperage > rUsedAmperes && ((IEnergySink)tTileEntity).getDemandedEnergy() > 0 && ((IEnergySink)tTileEntity).injectEnergy(ForgeDirection.getOrientation(j), aVoltage, aVoltage) < aVoltage) rUsedAmperes++;
	        		}
	    		}  else if(GregTech_API.mOutputRF && tTileEntity instanceof IEnergyReceiver){
        			ForgeDirection tDirection = ForgeDirection.getOrientation(i).getOpposite();
        			int rfOut = (int) (aVoltage * GregTech_API.mEUtoRF / 100);
        			if(((IEnergyReceiver)tTileEntity).receiveEnergy(tDirection, rfOut, true)==rfOut){
        				((IEnergyReceiver)tTileEntity).receiveEnergy(tDirection, rfOut, false); rUsedAmperes++;
        			}
        			if(GregTech_API.mRFExplosions && GregTech_API.sMachineExplosions && ((IEnergyReceiver)tTileEntity).getMaxEnergyStored(tDirection) < rfOut * 600){
        				if(rfOut > 32 * GregTech_API.mEUtoRF / 100) {
        				int aExplosionPower = rfOut;
        				float tStrength = aExplosionPower<V[0]?1.0F:aExplosionPower<V[1]?2.0F:aExplosionPower<V[2]?3.0F:aExplosionPower<V[3]?4.0F:aExplosionPower<V[4]?5.0F:aExplosionPower<V[4]*2?6.0F:aExplosionPower<V[5]?7.0F:aExplosionPower<V[6]?8.0F:aExplosionPower<V[7]?9.0F:10.0F;
        		    	int tX=tTileEntity.xCoord, tY=tTileEntity.yCoord, tZ=tTileEntity.zCoord;
        		    	World tWorld = tTileEntity.getWorldObj();
        		    	GT_Utility.sendSoundToPlayers(tWorld, GregTech_API.sSoundList.get(209), 1.0F, -1, tX, tY, tZ);
        		    	tWorld.setBlock(tX, tY, tZ, Blocks.air);
        		    	if (GregTech_API.sMachineExplosions) tWorld.createExplosion(null, tX+0.5, tY+0.5, tZ+0.5, tStrength, true);}
        			}
        		}
			}
			return rUsedAmperes;
		}
	}
}