package dk.thoerup.bukkit.hoeruputils.secretdoor;


import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.bukkit.block.Block;
import org.bukkit.entity.Player;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.BlockListener;
import org.bukkit.event.block.BlockRedstoneEvent;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.player.PlayerListener;
import org.bukkit.plugin.Plugin;


public class DoorBlockListener extends BlockListener {


	private DoorStorage store;
	private DoorOpenListener handler;

	private Plugin plugin;

	public DoorBlockListener(Plugin plugin) {
		this.plugin = plugin;
		
		store = new DoorStorage( plugin );

		store.loadAll();
		
		handler = new DoorOpenListener(store, plugin);
	}
	
	public PlayerListener getPlayerListener() {
		return handler;
	}

	@Override
	public void onBlockBreak(BlockBreakEvent event) {
		Door door = store.findDoor(event.getBlock().getLocation() );
		if (door != null) {
			Player player = event.getPlayer();
			if ( ! door.getOwner().equals( player.getName() )) {

				Player owner = player.getServer().getPlayer( door.getOwner() );

				if (owner != null) {
					owner.sendMessage("" + player.getName() + " broke one of your secret doors");
				}
			}
			player.sendMessage("Secret door broken");
			store.removeDoor(door);
		}
	}

	private Block[] getAdjacentBlocks(Block block) {
		Block out[] = new Block[6];

		out[0] = block.getRelative(-1,0,0);
		out[1] = block.getRelative(1,0,0);

		out[2] = block.getRelative(0,-1,0);
		out[3] = block.getRelative(0,1,0);

		out[4] = block.getRelative(0,0,-1);
		out[5] = block.getRelative(0,0,1);

		return out;
		
	}

	@Override
	public void onBlockRedstoneChange(BlockRedstoneEvent event) {
		//System.out.println( event.getBlock().toString() );
		
		Block block = event.getBlock();		


		int x,y,z;
		Block blocks[] = getAdjacentBlocks(block);

		for (int i=0; i<blocks.length; i++) {
			//System.out.println(" " + i + ">" + blocks[i].toString() );
			Door d = store.findDoor( blocks[i].getLocation() );

			if (d != null) {
				//System.out.println("  found door");
				d.powerChange(block.getWorld(), event.getOldCurrent(), event.getNewCurrent() );
			}
		}

	}

	@Override
	public void onSignChange(SignChangeEvent event) {

		Block sign = event.getBlock();
		
		if (sign.getTypeId() == 63) {
			// don't react on floor signs
			return;
		}
		
		String line0 = event.getLine(0).trim().toLowerCase();
		String line1 = event.getLine(1).trim().toLowerCase();
		
		int width = 2;
		int height = 2;

		if (line0.equals("secretdoor") ) {
			if ( ! line1.equals("")) {
				Pattern p = Pattern.compile("^[0-9]x[0-9]$");
				Matcher m = p.matcher(line1);
				
				if ( !m.matches() ) {
					event.getPlayer().sendMessage("The second line must be of the format [width]x[height]");
					return;
				}
				
				String parts[] = line1.split("x");
				width = Integer.parseInt( parts[0] );
				height = Integer.parseInt( parts[1] );
				
				if (width <1 || width>8) {
					event.getPlayer().sendMessage("width must be between 1 and 8 (inclusive)");
					return;
				}
				if (height <2 || height>5) {
					event.getPlayer().sendMessage("height must be between 2 and 5 (inclusive)");
					return;
				}
			}
			try {
				Door door = new Door(sign, width, height, store, event.getPlayer().getName() );

				store.addDoor(door);

				event.getPlayer().sendMessage("Secret door created");
		
				sign.setTypeId(0);
			} catch (ConflictingDoorException e) {
				event.getPlayer().sendMessage("Door conflicts whith another secretdoor");
			}

			
		}
	}

}