/src/com/bukkit/BallisticBuddha/GoldStandard/GSBlockListener.java

package com.bukkit.BallisticBuddha.GoldStandard;



import java.util.logging.Logger;



import org.bukkit.Material;

import org.bukkit.block.Chest;

import org.bukkit.block.ContainerBlock;

import org.bukkit.block.Dispenser;

import org.bukkit.block.Furnace;

import org.bukkit.entity.Player;

import org.bukkit.event.block.BlockDamageEvent;

import org.bukkit.event.block.BlockListener;

import org.bukkit.inventory.Inventory;

import org.bukkit.inventory.ItemStack;

import org.bukkit.ChatColor;



import com.bukkit.BallisticBuddha.GoldStandard.Transactions.*;



import gnu.trove.map.hash.TIntIntHashMap;

import gnu.trove.map.hash.TIntShortHashMap;

/** A very, very, very ugly listener that sells & buys items from container blocks 

 * 

 * @author BallisticBuddha

 *

 */

public class GSBlockListener extends BlockListener{

	

		private static GoldStandard plugin = null;

		public GSBlockListener(GoldStandard instance){

			plugin = instance;

		}

	    public void onBlockDamage(BlockDamageEvent event) {

	    	if (!(event.getPlayer() instanceof Player))

	    		return;

	    	if ((event.getBlock().getTypeId() == Material.FURNACE.getId() 

	    			|| event.getBlock().getTypeId() == Material.BURNING_FURNACE.getId()) && plugin.furnaceMode())

	    		sellIt(event, "Furnace");

	    	else if (event.getBlock().getTypeId() == Material.CHEST.getId() && plugin.chestMode())

	    		sellIt(event, "Chest");

	    	else if (event.getBlock().getTypeId() == Material.DISPENSER.getId() && plugin.dispenserMode())

	    		sellIt(event, "Dispenser");

	    }

	    private void sellIt(BlockDamageEvent event, String SellObject){

	    	Player player = event.getPlayer();

			if (player.getItemInHand().getTypeId() == plugin.getSellTool()){

				Inventory stuff = null;

				GSTransaction action;

				if (SellObject.equalsIgnoreCase("Furnace"))

					stuff = ((Furnace) ((ContainerBlock) event.getBlock().getState())).getInventory();

				else if (SellObject.equalsIgnoreCase("Chest"))

					stuff = ((Chest) ((ContainerBlock) event.getBlock().getState())).getInventory();

				else if (SellObject.equalsIgnoreCase("Dispenser"))

					stuff = ((Dispenser) ((ContainerBlock) event.getBlock().getState())).getInventory();

				else

					return;

				if (stuff == null)

					return;

				if (isEmpty(stuff)){

	    	    	long timeSinceLast = plugin.getCalc().timeSinceBought(player);

	    	    	if (timeSinceLast < plugin.getBuyCooldown()){

	    	    		if ((plugin.getBuyCooldown()-timeSinceLast) >= 1000)

	    	    			player.sendMessage(ChatColor.RED.toString() +"You must wait "+

	    	    					(plugin.getBuyCooldown()-timeSinceLast)/1000 +" seconds before you may buy again");

	    	    		else

	    	    			player.sendMessage(ChatColor.RED.toString() +"You must wait "+

	    	    					(plugin.getBuyCooldown()-timeSinceLast) +" miliseconds before you may buy again");

	    	    		return;

	    	    	}

					GSPlayer gsp = plugin.getCalc().getPlayer(player.getName());

					if ((gsp.getBuyItem() <= 0) || (gsp.getBuyQty()) <= 0){

						player.sendMessage(ChatColor.RED.toString() +"You must first set an item and quantity to buy with /gsset.");

						return;

					}

					if (!plugin.validBuy(player))

						return;

					action = new BuyProcedure(plugin,player,stuff);

					action.execute(gsp.getBuyItem(), gsp.getBuyQty());

					return;

				}

    	    	long timeSinceLast = plugin.getCalc().timeSinceSold(player);

    	    	if (timeSinceLast < plugin.getSellCooldown()){

    	    		if ((plugin.getSellCooldown()-timeSinceLast) >= 1000)

    	    			player.sendMessage(ChatColor.RED.toString() +"You must wait "+

    	    					(plugin.getSellCooldown()-timeSinceLast)/1000 +" seconds before you may sell again");

    	    		else

    	    			player.sendMessage(ChatColor.RED.toString() +"You must wait "+

    	    					(plugin.getSellCooldown()-timeSinceLast) +" miliseconds before you may sell again");

    	    		return;

    	    	}

				if (containsAGSItem(player,stuff)){

			   	   	if (!plugin.hasPermissions(player, "goldstandard.sell")){

			   	   		player.sendMessage(ChatColor.RED.toString() +"You do not have permission to sell.");

			   	   		return;

			   	   	}

					if (!plugin.getProtection().canSellFrom(player, event.getBlock())){

						player.sendMessage(ChatColor.RED.toString() +"You do not have access to this "+SellObject+".");

						return;

					}

			   	   	//start selling

					TIntIntHashMap itemsSold = new TIntIntHashMap();

					TIntShortHashMap blockOptions = new TIntShortHashMap();

					GSPlayer gsp = plugin.getCalc().getPlayer(player.getName());

					if (gsp == null){

						Logger.getLogger("Minecraft").info("[GoldStandard] Null player tried to sell!");

						return;

					}

					for (ItemStack is : stuff.getContents()){

						if (is != null){

	    					if (gsp.isInSellList(is.getTypeId())){

	    						if (!plugin.validSale(player, is.getTypeId()))

	    							continue;

	    						itemsSold.putIfAbsent(is.getTypeId(), 0);

	    						itemsSold.adjustValue(is.getTypeId(),is.getAmount());

	    						blockOptions.putIfAbsent(is.getTypeId(), (short) 0);

	    					}

	    					else if (gsp.itemCanBeBlock(GSItem.reverseGetBlock(is.getTypeId()))){

	    						if (!plugin.validSale(player, GSItem.reverseGetBlock(is.getTypeId())))

	    							continue;

	    						if (!plugin.getGSItem(GSItem.reverseGetBlock(is.getTypeId())).blockAllowed())

	    							continue;

	    						itemsSold.putIfAbsent(GSItem.reverseGetBlock(is.getTypeId()), 0);

	    						itemsSold.adjustValue(GSItem.reverseGetBlock(is.getTypeId()),is.getAmount()*9);

	    						blockOptions.putIfAbsent(GSItem.reverseGetBlock(is.getTypeId()), (short) 1);

	    					}

	    				}

					}

					for (int i : blockOptions.keys()){

						new SellProcedure(plugin,player,stuff,blockOptions.get(i)!=0,false).execute(i, itemsSold.get(i));

					}

				}

			}

	    }

	    private boolean isEmpty(Inventory i){

	    	for (ItemStack is : i.getContents())

	    		if (is != null)

	    			return false;

	    	return true;

	    }

	    private boolean containsAGSItem(Player player, Inventory i){

	    	for (ItemStack is : i.getContents()){

	    		if (is == null)

	    			continue;

	    		else if (plugin.getItems().containsKey(is.getTypeId()))

	    			return true;

	    		else if (plugin.getItems().containsKey(GSItem.reverseGetBlock(is.getTypeId())))

	    			if (plugin.getGSItem(GSItem.reverseGetBlock(is.getTypeId())).blockAllowed())

	    				return true;

	    	}

	    	return false;

	    }

}