package com.hbm.blocks.machine;

import java.util.ArrayList;
import java.util.List;

import com.hbm.blocks.BlockDummyable;
import com.hbm.blocks.ILookOverlay;
import com.hbm.blocks.ITooltipProvider;
import com.hbm.items.machine.ItemStamp;
import com.hbm.tileentity.machine.TileEntityConveyorPress;
import com.hbm.util.BobMathUtil;
import com.hbm.util.I18nUtil;

import api.hbm.block.IToolable;
import api.hbm.conveyor.IConveyorBelt;
import net.minecraft.block.material.Material;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraftforge.client.event.RenderGameOverlayEvent.Pre;
import net.minecraftforge.common.util.ForgeDirection;

public class MachineConveyorPress extends BlockDummyable implements IConveyorBelt, ILookOverlay, IToolable, ITooltipProvider {

	public MachineConveyorPress(Material mat) {
		super(mat);
	}

	@Override
	public TileEntity createNewTileEntity(World world, int meta) {
		if(meta >= 12) return new TileEntityConveyorPress();
		return null;
	}

	@Override
	public int[] getDimensions() {
		return new int[] {2, 0, 0, 0, 0, 0};
	}

	@Override
	public int getOffset() {
		return 0;
	}
	
	@Override
	public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player, int side, float hitX, float hitY, float hitZ) {
		if(world.isRemote) {
			return true;
		} else {
			
			int[] pos = this.findCore(world, x, y, z);
			
			if(pos == null)
				return false;
			
			TileEntity te = world.getTileEntity(pos[0], pos[1], pos[2]);
			
			if(!(te instanceof TileEntityConveyorPress))
				return false;
			
			TileEntityConveyorPress press = (TileEntityConveyorPress) te;
			
			if(player.getHeldItem() != null && player.getHeldItem().getItem() instanceof ItemStamp && press.slots[0] == null) {
				press.slots[0] = player.getHeldItem().copy();
				press.slots[0].stackSize = 1;
				player.getHeldItem().stackSize--;
				world.playSoundEffect(x + 0.5, y + 0.5, z + 0.5, "hbm:item.upgradePlug", 1.0F, 1.0F);
				press.markChanged();
				world.markBlockForUpdate(x, y, z);
				return true;
			}
		}
		
		return false;
	}

	@Override
	public boolean onScrew(World world, EntityPlayer player, int x, int y, int z, int side, float fX, float fY, float fZ, ToolType tool) {
		
		if(tool != ToolType.SCREWDRIVER) return false;
		
		int[] pos = this.findCore(world, x, y, z);
		
		if(pos == null)
			return false;
		
		TileEntity te = world.getTileEntity(pos[0], pos[1], pos[2]);
		
		if(!(te instanceof TileEntityConveyorPress))
			return false;
		
		TileEntityConveyorPress press = (TileEntityConveyorPress) te;
		
		if(press.slots[0] == null) return false;
		
		if(!player.inventory.addItemStackToInventory(press.slots[0].copy())) {
			EntityItem item = new EntityItem(world, x + 0.5, y + this.maxY, z + 0.5, press.slots[0].copy());
			world.spawnEntityInWorld(item);
		} else {
			player.inventoryContainer.detectAndSendChanges();
		}
		
		press.slots[0] = null;
		press.markChanged();
		
		return true;
	}

	@Override
	public Vec3 getTravelLocation(World world, int x, int y, int z, Vec3 itemPos, double speed) {
		ForgeDirection dir = this.getTravelDirection(world, x, y, z, itemPos);
		Vec3 snap = this.getClosestSnappingPosition(world, x, y, z, itemPos);
		Vec3 dest = Vec3.createVectorHelper(snap.xCoord - dir.offsetX * speed, snap.yCoord - dir.offsetY * speed, snap.zCoord - dir.offsetZ * speed);
		Vec3 motion = Vec3.createVectorHelper((dest.xCoord - itemPos.xCoord), (dest.yCoord - itemPos.yCoord), (dest.zCoord - itemPos.zCoord));
		double len = motion.lengthVector();
		Vec3 ret = Vec3.createVectorHelper(itemPos.xCoord + motion.xCoord / len * speed, itemPos.yCoord + motion.yCoord / len * speed, itemPos.zCoord + motion.zCoord / len * speed);
		return ret;
	}
	
	public ForgeDirection getTravelDirection(World world, int x, int y, int z, Vec3 itemPos) {
		int meta = world.getBlockMetadata(x, y - 1, z) - offset;
		return ForgeDirection.getOrientation(meta).getRotation(ForgeDirection.UP);
	}

	@Override
	public Vec3 getClosestSnappingPosition(World world, int x, int y, int z, Vec3 itemPos) {

		ForgeDirection dir = this.getTravelDirection(world, x, y, z, itemPos);
		itemPos.xCoord = MathHelper.clamp_double(itemPos.xCoord, x, x + 1);
		itemPos.zCoord = MathHelper.clamp_double(itemPos.zCoord, z, z + 1);
		double posX = x + 0.5;
		double posZ = z + 0.5;
		if(dir.offsetX != 0) posX = itemPos.xCoord;
		if(dir.offsetZ != 0) posZ = itemPos.zCoord;
		return Vec3.createVectorHelper(posX, y + 0.25, posZ);
	}

	@Override
	public boolean canItemStay(World world, int x, int y, int z, Vec3 itemPos) {
		return world.getBlock(x, y - 1, z) == this && world.getBlockMetadata(x, y - 1, z) >= 12;
	}

	@Override
	public void printHook(Pre event, World world, int x, int y, int z) {
		int[] pos = this.findCore(world, x, y, z);
		
		if(pos == null)
			return;
		
		TileEntity te = world.getTileEntity(pos[0], pos[1], pos[2]);
		
		if(!(te instanceof TileEntityConveyorPress))
			return;
		
		TileEntityConveyorPress press = (TileEntityConveyorPress) te;
		List<String> text = new ArrayList();

		text.add(BobMathUtil.getShortNumber(press.power) + "HE / " + BobMathUtil.getShortNumber(press.maxPower) + "HE");
		text.add("Installed stamp: " + ((press.syncStack == null || press.syncStack.getItem() == null) ? (EnumChatFormatting.RED + "NONE") : press.syncStack.getDisplayName()));
		
		ILookOverlay.printGeneric(event, I18nUtil.resolveKey(getUnlocalizedName() + ".name"), 0xffff00, 0x404000, text);
	}

	@Override
	public void addInformation(ItemStack stack, EntityPlayer player, List list, boolean ext) {
		this.addStandardInfo(stack, player, list, ext);
	}
}