package dk.thoerup.bukkit.creativeworld;

import org.bukkit.*;
import org.bukkit.entity.*;
import org.bukkit.event.player.*;
import org.bukkit.configuration.*;
import org.bukkit.inventory.*;

public class WorldChanged extends PlayerListener {
	final static String STACK_TYPE = ".type";
	final static String STACK_AMOUNT = ".amount";
	final static String STACK_DAMAGE = ".damage";
	final static String STACK_DATA = ".data";

	final static String INVENTORY_CREATIVE = ".inventory.creative.";
	final static String INVENTORY_CREATIVE_ARMOR = ".inventory.creative.armor.";

	CreativeMain plugin;
	public WorldChanged(CreativeMain plugin) {
		this.plugin = plugin;
	}

	@Override
	public void onPlayerChangedWorld(PlayerChangedWorldEvent event) {


		Player player = event.getPlayer();

		System.out.println( player.getName() + " : " + event.getFrom().getName() + " -> " + player.getWorld().getName() );

		Configuration config = plugin.getConfig();
	
		if (player.getWorld().getName().equalsIgnoreCase("creative") ) {
			player.sendMessage(ChatColor.YELLOW + "You are now in creative world - have fun");
			config.set( player.getName() + ".iscreative", true);

			PlayerInventory inv = player.getInventory();

			for (int i=0; i<inv.getSize(); i++) {
				String node =  player.getName() + INVENTORY_CREATIVE + i;;
				//config.set( node, inv.getItem(i) );
				saveItemStack(config, node, inv.getItem(i) );
			}

			ItemStack armor[] = inv.getArmorContents();
			for (int i=0; i<armor.length; i++) {
				String node =  player.getName() + INVENTORY_CREATIVE_ARMOR + i;;
				//config.set( node, armor[i] );
				saveItemStack(config, node, armor[i] );
			}

			plugin.saveConfig();

			inv.clear();

			player.setGameMode( GameMode.CREATIVE );

		} else if (event.getFrom().getName().equalsIgnoreCase("creative") ) {
			player.sendMessage(ChatColor.YELLOW + "You are now in survival world - watch out !!!");
			config.set( player.getName() + ".iscreative", false);
			player.setGameMode( GameMode.SURVIVAL );

			PlayerInventory inv = player.getInventory();
			inv.clear();

			ItemStack items[] = new ItemStack[ inv.getSize() ];

			for (int i=0; i<inv.getSize(); i++) {
				String node =  player.getName() + INVENTORY_CREATIVE + i;;
				//items[i] = config.getItemStack(node);
				items[i] = getItemStack(config, node);
			}



			ItemStack armor[] = new ItemStack[  inv.getArmorContents().length];
			for (int i=0; i<armor.length; i++) {
				String node =  player.getName() + INVENTORY_CREATIVE_ARMOR + i;
				//armor[i] = config.getItemStack(node);
				armor[i] = getItemStack(config, node);
			}

			inv.setContents( items );
			inv.setArmorContents( armor );
		}
	}


	public void saveItemStack(Configuration config, String node, ItemStack stack) {
		config.set(node + STACK_TYPE, stack.getTypeId() );
		config.set(node + STACK_AMOUNT, stack.getAmount() );
		config.set(node + STACK_DAMAGE, (int)stack.getDurability() );
		config.set(node + STACK_DATA, (int)stack.getData().getData() );
	}

	public ItemStack getItemStack(Configuration config, String node) {
		int type = config.getInt( node + STACK_TYPE);
		int amount = config.getInt( node + STACK_AMOUNT);
		short damage = (short) config.getInt(node + STACK_DAMAGE);
		byte data = (byte) config.getInt(node + STACK_DATA);

		ItemStack stack = new ItemStack(type,amount,damage,data);
		stack.setDurability( damage ); //ItemStack constructor with Data value overrides durability 
		return stack; 
	}
	
}