package dk.thoerup.bukkit.hoeruputils.creative;

import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;


public class GeneralContractorCommands implements CommandExecutor{

	final static int Y_MAX = 255;
	
	//@Override
	public boolean onCommand(final CommandSender sender, Command command, String label, String[] args) {
	
		if (! (sender instanceof Player) ) {
			return false;
		}
		Player player = (Player) sender;
		
		Location loc = player.getLocation(); 
		
		if ( ! loc.getWorld().getName().equals("creative")) {
			player.sendMessage( ChatColor.RED + "This command may only be used in creative world" );
			return true;
		}
		
		//System.out.println( ">>" + label); //DEBUG
		
		if ( label.equals("levelarea") ) {
			if (validateLevelOrFill(player, args) ) {
				levelArea(player, loc, args);
			}
			return true;
		}
		
		
		if ( label.equals("fillarea") ) {
			if (validateLevelOrFill(player, args) ) {
				fillArea(player, loc, args);
			}	
			return true;
		}
		
		if ( label.equals("slopearea") ) {
			slopeArea(player, loc, args);	
			return true;
		}

		
		if ( label.equals("setsurface") ) {
			setSurface(player, loc, args);	
			return true;
		}
	
	
		return false;
	}

	
	void slopeArea(Player player, Location loc, String[] args) {
		int radius = Integer.parseInt(args[1]);

		System.out.println("Player " + player.getName() + " used slopearea with radius=" + radius);
		

		int playerX = loc.getBlockX();
		int playerY = loc.getBlockY();
		int playerZ = loc.getBlockZ();
		
		World world = loc.getWorld();

		for (int x=(playerX-radius); x<=(playerX+radius); x++) {
			for (int z=(playerZ-radius); z<=(playerZ+radius); z++) {


				int xdist = Math.abs(playerX-x);
				int zdist = Math.abs(playerZ-z);

				int dist = Math.max(xdist,zdist);

				//for (int y=playerY; y<=playerY+radius; y++) {
				for (int y=(playerY+dist); y<=Y_MAX; y++) {
					world.getBlockAt(x, y, z).setType(Material.AIR);
				}

			}

		}		
	}
	
	private void setSurface(Player player, Location loc, String[] split) {
		int valid_block_array[] = {1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 35, 41, 42, 43, 44, 45, 48, 49, 56, 57, 73, 74, 79, 80, 82} ;



		if (split.length != 3) {
			player.sendMessage("Usage /setsurface [radius] [blockID]");
			return;
		}


		int radius;
		try {
			radius = Integer.parseInt(split[1]);
		} catch (Exception e) {
			player.sendMessage("setsurface: radius must be an integer");
			return;
		}

		if (radius > 20) {
			player.sendMessage("setsurface: radius may not exceed 20");
			return;
		}


		int blockid;
		try {
			blockid = Integer.parseInt(split[2]);
		} catch (Exception e) {
			player.sendMessage("setsurface: blockid must be an integer");
			return;
		}

		boolean validblock = false;
		for (int i=0; i<valid_block_array.length; i++) {
			if (valid_block_array[i] == blockid) {
				validblock = true;
				break;
			}
		}

		if ( !validblock ) {
			player.sendMessage("setsurface: block now allowed");
			return;
		}

		int playerX = loc.getBlockX();
		int playerY = loc.getBlockY();
		int playerZ = loc.getBlockZ();

		if(playerY <= 2 && blockid != 7) {
			player.sendMessage("setsurface: at this level you may only use bedrock(id=7)");
			return;
		}
		
		World world = loc.getWorld();
		

		for (int x=(playerX-radius); x<=(playerX+radius); x++) {
			for (int z=(playerZ-radius); z<=(playerZ+radius); z++) {
				//int y = getGroundLevel(x,z) - 1;
				int y = world.getHighestBlockYAt(x, z);
				
				world.getBlockAt(x, y, z).setTypeId(blockid);
			}
		}
	}

	private boolean validateLevelOrFill(Player player, String[] split) {
		if (split.length < 2 || split.length > 3) {
			player.sendMessage("Usage: " + split[0] + " [radius]");
			return false;
		}
		
		int radius;
		try {
			radius = Integer.parseInt(split[1]);
		} catch (Exception e) {
			player.sendMessage(split[0] + ": radius must be an integer");
			return false;
		}

		if (radius > 20) {
			player.sendMessage(split[0] + ": radius may not exceed 20");
			return false;
		}
		
		if (split.length == 3) {
			int id;
			try {
				id = Integer.parseInt( split[2] );
			} catch (Exception e) {
				player.sendMessage(split[0] + ": id must be an integer");
				return false;
			}
			if ( id == 46) {
				player.sendMessage("Sorry dave, i can't do that");
				return false;
			}
			
		}

		return true;
	}

	private void fillArea(Player player, Location loc, String[] split) {
		int radius = Integer.parseInt(split[1]);
		
		int material = Material.DIRT.getId();
		
		if (split.length == 3) {
			material = Integer.parseInt( split[2] );
		}

		System.out.println("Player " + player.getName() + " used fillarea with radius=" + radius);
		

		int playerX = loc.getBlockX();
		int playerY = loc.getBlockY();
		int playerZ = loc.getBlockZ();
		
		World world = loc.getWorld();

		for (int x=(playerX-radius); x<=(playerX+radius); x++) {
			for (int z=(playerZ-radius); z<=(playerZ+radius); z++) {
				
				

				for (int y=world.getHighestBlockYAt(x, z); y<playerY; y++) {					
					world.getBlockAt(x, y, z).setTypeId(material);
				}

			}

		}
	}

	private void levelArea(Player player, Location loc, String[] split) {

		int radius = Integer.parseInt(split[1]);

		System.out.println("Player " + player.getName() + " used levelarea with radius=" + radius);
		

		int playerX = loc.getBlockX();
		int playerY = loc.getBlockY();
		int playerZ = loc.getBlockZ();
		

		World world = loc.getWorld();

		int count = 0;
		for (int x=(playerX-radius); x<=(playerX+radius); x++) {
			for (int z=(playerZ-radius); z<=(playerZ+radius); z++) {

				//for (int y=playerY; y<=playerY+radius; y++) {
				for (int y=playerY; y<=Y_MAX; y++) {
					count++;
					world.getBlockAt(x, y, z).setType(Material.AIR);
					
				}

			}

		}
	}
	
	
}