package com.hbm.tileentity.machine;

import java.util.List;

import com.hbm.blocks.BlockDummyable;
import com.hbm.blocks.ModBlocks;
import com.hbm.extprop.HbmPlayerProps;
import com.hbm.inventory.UpgradeManager;
import com.hbm.inventory.container.ContainerCrystallizer;
import com.hbm.inventory.fluid.Fluids;
import com.hbm.inventory.fluid.tank.FluidTank;
import com.hbm.inventory.gui.GUICrystallizer;
import com.hbm.inventory.recipes.CrystallizerRecipes;
import com.hbm.inventory.recipes.CrystallizerRecipes.CrystallizerRecipe;
import com.hbm.items.machine.ItemMachineUpgrade;
import com.hbm.items.machine.ItemMachineUpgrade.UpgradeType;
import com.hbm.lib.Library;
import com.hbm.tileentity.IGUIProvider;
import com.hbm.tileentity.IUpgradeInfoProvider;
import com.hbm.tileentity.TileEntityMachineBase;
import com.hbm.util.BobMathUtil;
import com.hbm.util.I18nUtil;
import com.hbm.util.fauxpointtwelve.DirPos;

import api.hbm.energy.IBatteryItem;
import api.hbm.energy.IEnergyUser;
import api.hbm.fluid.IFluidStandardReceiver;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.world.World;
import net.minecraftforge.common.util.ForgeDirection;

public class TileEntityMachineCrystallizer extends TileEntityMachineBase implements IEnergyUser, IFluidStandardReceiver, IGUIProvider, IUpgradeInfoProvider {
	
	public long power;
	public static final long maxPower = 1000000;
	public static final int demand = 1000;
	public short progress;
	public short duration = 600;
	
	public float angle;
	public float prevAngle;
	
	public FluidTank tank;

	public TileEntityMachineCrystallizer() {
		super(8);
		tank = new FluidTank(Fluids.ACID, 8000);
	}

	@Override
	public String getName() {
		return "container.crystallizer";
	}

	@Override
	public void updateEntity() {
		
		if(!worldObj.isRemote) {
			
			this.updateConnections();
			
			power = Library.chargeTEFromItems(slots, 1, power, maxPower);
			tank.setType(7, slots);
			tank.loadTank(3, 4, slots);
			
			UpgradeManager.eval(slots, 5, 6);
			
			for(int i = 0; i < getCycleCount(); i++) {
				
				if(canProcess()) {
					
					progress++;
					power -= getPowerRequired();
					
					if(progress > getDuration()) {
						progress = 0;
						processItem();
						
						this.markDirty();
					}
					
				} else {
					progress = 0;
				}
			}
			
			NBTTagCompound data = new NBTTagCompound();
			data.setShort("progress", progress);
			data.setShort("duration", getDuration());
			data.setLong("power", power);
			tank.writeToNBT(data, "t");
			this.networkPack(data, 25);
		} else {
			
			prevAngle = angle;
			
			if(progress > 0) {
				angle += 5F * this.getCycleCount();
				
				if(angle >= 360) {
					angle -= 360;
					prevAngle -= 360;
				}
			}
		}
		
		ForgeDirection dir = ForgeDirection.getOrientation(this.getBlockMetadata() - 10);
		ForgeDirection rot = dir.getRotation(ForgeDirection.UP);
		List<EntityPlayer> players = worldObj.getEntitiesWithinAABB(EntityPlayer.class, AxisAlignedBB.getBoundingBox(xCoord, yCoord, zCoord, xCoord + 1, yCoord + 6.875, zCoord + 1).offset(dir.offsetX * 0.75 + rot.offsetX * 1.25, 0, dir.offsetZ * 0.75 + rot.offsetZ * 1.25));
		
		for(EntityPlayer player : players) {
			HbmPlayerProps props = HbmPlayerProps.getData(player);
			props.isOnLadder = true;
		}
	}
	
	private void updateConnections() {
		
		for(DirPos pos : getConPos()) {
			this.trySubscribe(worldObj, pos.getX(), pos.getY(), pos.getZ(), pos.getDir());
			this.trySubscribe(tank.getTankType(), worldObj, pos.getX(), pos.getY(), pos.getZ(), pos.getDir());
		}
	}
	
	protected DirPos[] getConPos() {

		ForgeDirection dir = ForgeDirection.getOrientation(this.getBlockMetadata() - BlockDummyable.offset);

		if(dir == ForgeDirection.NORTH || dir == ForgeDirection.SOUTH) {
			
			return new DirPos[] {
				new DirPos(xCoord + 2, yCoord + 5, zCoord, Library.POS_X),
				new DirPos(xCoord - 2, yCoord + 5, zCoord, Library.NEG_X)
			};
		}

		if(dir == ForgeDirection.EAST || dir == ForgeDirection.WEST) {
			
			return new DirPos[] {
				new DirPos(xCoord, yCoord + 5, zCoord + 2, Library.POS_Z),
				new DirPos(xCoord, yCoord + 5, zCoord - 2, Library.NEG_Z)
			};
		}
		
		return new DirPos[0];
	}
	
	public void networkUnpack(NBTTagCompound data) {
		
		this.power = data.getLong("power");
		this.progress = data.getShort("progress");
		this.duration = data.getShort("duration");
		this.tank.readFromNBT(data, "t");
	}
	
	private void processItem() {

		CrystallizerRecipe result = CrystallizerRecipes.getOutput(slots[0], tank.getTankType());
		
		if(result == null) //never happens but you can't be sure enough
			return;
		
		ItemStack stack = result.output.copy();
		
		if(slots[2] == null)
			slots[2] = stack;
		else if(slots[2].stackSize + stack.stackSize <= slots[2].getMaxStackSize())
			slots[2].stackSize += stack.stackSize;
		
		tank.setFill(tank.getFill() - getRequiredAcid(result.acidAmount));
		
		float freeChance = this.getFreeChance();
		
		if(freeChance == 0 || freeChance < worldObj.rand.nextFloat())
			this.decrStackSize(0, result.itemAmount);
	}
	
	private boolean canProcess() {
		
		//Is there no input?
		if(slots[0] == null)
			return false;
		
		if(power < getPowerRequired())
			return false;
		
		CrystallizerRecipe result = CrystallizerRecipes.getOutput(slots[0], tank.getTankType());
		
		//Or output?
		if(result == null)
			return false;
		
		//Not enough of the input item?
		if(slots[0].stackSize < result.itemAmount)
			return false;
		
		if(tank.getFill() < getRequiredAcid(result.acidAmount)) return false;
		
		ItemStack stack = result.output.copy();
		
		//Does the output not match?
		if(slots[2] != null && (slots[2].getItem() != stack.getItem() || slots[2].getItemDamage() != stack.getItemDamage()))
			return false;
		
		//Or is the output slot already full?
		if(slots[2] != null && slots[2].stackSize + stack.stackSize > slots[2].getMaxStackSize())
			return false;
		
		return true;
	}
	
	public int getRequiredAcid(int base) {
		int efficiency = Math.min(UpgradeManager.getLevel(UpgradeType.EFFECT), 3);
		if(efficiency > 0) {
			return base * (efficiency + 2);
		}
		return base;
	}
	
	public float getFreeChance() {
		int efficiency = Math.min(UpgradeManager.getLevel(UpgradeType.EFFECT), 3);
		if(efficiency > 0) {
			return Math.min(efficiency * 0.05F, 0.15F);
		}
		return 0;
	}
	
	public short getDuration() {
		CrystallizerRecipe result = CrystallizerRecipes.getOutput(slots[0], tank.getTankType());
		int base = result != null ? result.duration : 600;
		int speed = Math.min(UpgradeManager.getLevel(UpgradeType.SPEED), 3);
		if(speed > 0) {
			return (short) Math.ceil((base * Math.max(1F - 0.25F * speed, 0.25F)));
		}
		return (short) base;
	}
	
	public int getPowerRequired() {
		int speed = Math.min(UpgradeManager.getLevel(UpgradeType.SPEED), 3);
		return (int) (demand + Math.min(speed * 1000, 3000));
	}
	
	public float getCycleCount() {
		int speed = UpgradeManager.getLevel(UpgradeType.OVERDRIVE);
		return Math.min(1 + speed * 2, 7);
	}
	
	public long getPowerScaled(int i) {
		return (power * i) / maxPower;
	}
	
	public int getProgressScaled(int i) {
		return (progress * i) / duration;
	}

	@Override
	public void setPower(long i) {
		this.power = i;
	}

	@Override
	public long getPower() {
		return power;
	}

	@Override
	public long getMaxPower() {
		return maxPower;
	}
	
	@Override
	public void readFromNBT(NBTTagCompound nbt) {
		super.readFromNBT(nbt);
		
		power = nbt.getLong("power");
		tank.readFromNBT(nbt, "tank");
	}
	
	@Override
	public void writeToNBT(NBTTagCompound nbt) {
		super.writeToNBT(nbt);
		
		nbt.setLong("power", power);
		tank.writeToNBT(nbt, "tank");
	}

	@Override
	public boolean isItemValidForSlot(int i, ItemStack itemStack) {
		
		CrystallizerRecipe recipe = CrystallizerRecipes.getOutput(itemStack, tank.getTankType());
		if(i == 0 && recipe != null) {
			return true;
		}
		
		if(i == 1 && itemStack.getItem() instanceof IBatteryItem)
			return true;
		
		return false;
	}

	@Override
	public boolean canExtractItem(int i, ItemStack itemStack, int j) {
		return i == 2;
	}

	@Override
	public int[] getAccessibleSlotsFromSide(int side) {
		
		return side == 0 ? new int[] { 2 } : new int[] { 0, 2 };
	}
	
	@Override
	public AxisAlignedBB getRenderBoundingBox() {
		return TileEntity.INFINITE_EXTENT_AABB;
	}
	
	@Override
	@SideOnly(Side.CLIENT)
	public double getMaxRenderDistanceSquared() {
		return 65536.0D;
	}

	@Override
	public void setInventorySlotContents(int i, ItemStack stack) {
		super.setInventorySlotContents(i, stack);
		
		if(stack != null && i >= 5 && i <= 6 && stack.getItem() instanceof ItemMachineUpgrade) {
			worldObj.playSoundEffect(xCoord + 0.5, yCoord + 0.5, zCoord + 0.5, "hbm:item.upgradePlug", 1.0F, 1.0F);
		}
	}

	@Override
	public FluidTank[] getReceivingTanks() {
		return new FluidTank[] {tank};
	}

	@Override
	public FluidTank[] getAllTanks() {
		return new FluidTank[] { tank };
	}

	@Override
	public Container provideContainer(int ID, EntityPlayer player, World world, int x, int y, int z) {
		return new ContainerCrystallizer(player.inventory, this);
	}

	@Override
	@SideOnly(Side.CLIENT)
	public GuiScreen provideGUI(int ID, EntityPlayer player, World world, int x, int y, int z) {
		return new GUICrystallizer(player.inventory, this);
	}

	@Override
	public boolean canProvideInfo(UpgradeType type, int level, boolean extendedInfo) {
		return type == UpgradeType.SPEED || type == UpgradeType.EFFECT || type == UpgradeType.OVERDRIVE;
	}

	@Override
	public void provideInfo(UpgradeType type, int level, List<String> info, boolean extendedInfo) {
		info.add(IUpgradeInfoProvider.getStandardLabel(ModBlocks.machine_crystallizer));
		if(type == UpgradeType.SPEED) {
			info.add(EnumChatFormatting.GREEN + I18nUtil.resolveKey(this.KEY_DELAY, "-" + (level * 25) + "%"));
			info.add(EnumChatFormatting.RED + I18nUtil.resolveKey(this.KEY_CONSUMPTION, "+" + (level * 100) + "%"));
		}
		if(type == UpgradeType.EFFECT) {
			info.add(EnumChatFormatting.GREEN + I18nUtil.resolveKey(this.KEY_EFFICIENCY, "+" + (level * 5) + "%"));
			info.add(EnumChatFormatting.RED + I18nUtil.resolveKey(this.KEY_ACID, "+" + (level * 100 + 100) + "%"));
		}
		if(type == UpgradeType.OVERDRIVE) {
			info.add((BobMathUtil.getBlink() ? EnumChatFormatting.RED : EnumChatFormatting.DARK_GRAY) + "YES");
		}
	}

	@Override
	public int getMaxLevel(UpgradeType type) {
		if(type == UpgradeType.SPEED) return 3;
		if(type == UpgradeType.EFFECT) return 3;
		if(type == UpgradeType.OVERDRIVE) return 2;
		return 0;
	}
}