package me.dr_madman.hungercraft;



import org.bukkit.Bukkit;

import org.bukkit.Location;

import org.bukkit.Material;

import org.bukkit.World;

import org.bukkit.block.Block;

import org.bukkit.entity.Player;



public class RandomTeleport {

	private HungerCraft plugin;

	// *------------------------------------------------------------------------------------------------------------*

	// | The random location methods contain code made by NuclearW                                                  |

	// | based on his SpawnArea plugin:                                                                             |

	// | http://forums.bukkit.org/threads/tp-spawnarea-v0-1-spawns-targetPlayers-in-a-set-area-randomly-1060.20408/ |

	// *------------------------------------------------------------------------------------------------------------*



	public RandomTeleport(HungerCraft instance) {plugin = instance;}

	public  Location randomLocation(World world){



		int xmin = -this.plugin.getConfig().getInt("spawnradius");

		int xmax = this.plugin.getConfig().getInt("spawnradius");

		int zmin = -this.plugin.getConfig().getInt("spawnradius");

		int zmax = this.plugin.getConfig().getInt("spawnradius");

		

		Bukkit.getServer().broadcastMessage("Getting values");



		int xrand = 0;

		int zrand = 0;

		int y = -1;



		do {

			Bukkit.getServer().broadcastMessage("Running do loop");

			xrand = xmin + (int) ( Math.random()*(xmax - xmin) + 0.5 );

			zrand = zmin + (int) ( Math.random()*(zmax - zmin) + 0.5 );

			y = getValidHighestBlock(world, xrand,zrand);

		}while (y == -1);



		return new Location(

				world,

				Double.parseDouble(Integer.toString(xrand)) + 0.5, 

				Double.parseDouble(Integer.toString(y)),

				Double.parseDouble(Integer.toString(zrand)) + 0.5

				);

}

	public int getValidHighestBlock(World world, int x, int z) {

		world.loadChunk(x, z);

		Bukkit.getServer().broadcastMessage("Getting chunk");

		world.getChunkAt(new Location(world, x, 0, z)).load();



		int y = world.getHighestBlockYAt(x, z);

		int blockid = world.getBlockTypeIdAt(x, y - 1, z);

	



		if (blockid == 8) return -1;

		if (blockid == 9) return -1;

		if (blockid == 10) return -1;

		if (blockid == 11) return -1;

		if (blockid == 51) return -1;

		if (blockid == 18) return -1;



		blockid = world.getBlockTypeIdAt(x, y + 1, z);



		if (blockid == 81) return -1;



		return y;

	}

	public void sendGround(Player player, Location location){		



		Location groundLocation = location.subtract(0, 1, 0);



		groundLocation.getChunk().load();



		if(canCauseBlockUpdate(groundLocation.getBlock())){

			player.sendBlockChange(groundLocation, Material.DIRT, (byte) 0);

		}else{

			player.sendBlockChange(groundLocation, groundLocation.getBlock().getType(), groundLocation.getBlock().getData());

		}



	}

	public boolean canCauseBlockUpdate(Block block){



		block.getChunk().load();



		int blockid = block.getTypeId();



		if (blockid == 8) return true;

		if (blockid == 9) return true;

		if (blockid == 10) return true;

		if (blockid == 11) return true;

		if (blockid == 12) return true;

		if (blockid == 13) return true;



		return false;

	}	

}