import java.util.*;

import java.util.logging.Logger;



public class BlockThread extends Thread {

	protected static final Logger log = Logger.getLogger("Minecraft");

	private BlockQueue blockQueue;

	public static final Object NO_MORE_WORK = new Object();

	public static final Object END_JOB = new Object();

	

	private boolean running;

	

	private Job currentJob;

	private int blocks, skipped;

	

	public BlockThread(BlockQueue blockQueue) {

        this.blockQueue = blockQueue;

		setRunning(true);

	}

	

	public synchronized void setRunning(boolean running) {

		this.running = running;

	}

	

	public void run() {

		blocks = 0;

		skipped = 0;

		

		try {

			while (running) {

				Object obj = blockQueue.getWork();

				

				if (obj == NO_MORE_WORK)

					break;

				

				if (obj == END_JOB)

					currentJob.done(blocks, skipped);

				

				if (obj instanceof Block) {

					try { buildBlock((Block)obj); } catch (Exception e) { skipped++; };

					blocks++;

				}

				

				if (obj instanceof Job) {

					currentJob = (Job)obj;

					blocks = 0;

					skipped = 0;

				}

			}

		} catch (InterruptedException e) { };

		

		log.info("[Blocker] BlockQueue Thread stoped.");

		blockQueue = null;

	} 

	

	public void buildBlock(Block block) {

		try { sleep(25); } catch (InterruptedException e) {}

		

		if (block.getType() == etc.getServer().getBlockIdAt(block.getX(), block.getY(), block.getZ()))

			return;

			

		boolean result = etc.getServer().setBlock(block);

		

		/*

		int tries = 0;

		while (tries < 3) {

			try { sleep(50); } catch (InterruptedException e) { break; }

			

			if (block.getType() == etc.getServer().getBlockIdAt(block.getX(), block.getY(), block.getZ()))

				break;

			

			tries++;	

			try { sleep(50); } catch (InterruptedException e) { break; }

		}

		if (tries == 3)

			skipped++;

		*/

	}

}



class Job {

	String boss;

	boolean notify;

	

	public Job(String boss) {

		this(boss, true);

	}

	

	public Job(String boss, boolean notify) {

		this.boss = boss;

		this.notify = notify;

	}

	

	public void done(int blocks, int skipped) {

		if (notify) {

			Player player = etc.getServer().matchPlayer(boss);

			player.sendMessage("Generated: "+blocks+" Blocks");

			if (skipped > 0)

				player.sendMessage("Skipped: "+blocks+" Blocks");

		}

	}

}