package com.encrox.cplot.command;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

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

import com.earth2me.essentials.OfflinePlayer;
import com.earth2me.essentials.api.Economy;
import com.encrox.cplot.Core;
import com.encrox.cplot.constants.Direction;
import com.sk89q.worldedit.BlockVector;
import com.sk89q.worldedit.bukkit.selections.Selection;
import com.sk89q.worldguard.LocalPlayer;
import com.sk89q.worldguard.protection.regions.ProtectedCuboidRegion;
import com.sk89q.worldguard.protection.regions.ProtectedRegion;

public class Gs implements CommandExecutor {

	@Override
	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
		try {
			if(sender instanceof Player) {
				Player player = (Player)sender;
				if(sender.hasPermission("cplot.gs." + player.getWorld().getName())) {
					switch(args[0]) {
					case "claim":
						switch(args.length) {
						case 2:
							Selection sel = Core.we.getSelection((Player)sender);
							if(sel == null) {
								sender.sendMessage(ChatColor.RED + "No selection made. Please make a selection with the wand-tool first.");
								return false;
							}
							Location min = sel.getMinimumPoint(), max = sel.getMaximumPoint();
							return claim(player, args[1], min.getBlockX(), min.getBlockY(), min.getBlockZ(), max.getBlockX(), max.getBlockY(), max.getBlockZ());
						case 6:
							return claim(player, args[1], Integer.parseInt(args[2]), 0, Integer.parseInt(args[3]), Integer.parseInt(args[4]), 255, Integer.parseInt(args[5]));
						case 8:
							return claim(player, args[1], Integer.parseInt(args[2]), Integer.parseInt(args[3]), Integer.parseInt(args[4]), Integer.parseInt(args[5]), Integer.parseInt(args[6]), Integer.parseInt(args[7]));
						}
					case "expand":
						return expand(player, args[1], Direction.getDirection(args[2]), Integer.parseInt(args[3]));
					case "unclaim":
						switch(args.length) {
						case 2:
							return unclaim(player, args[1]);
						case 3:
							if(player.hasPermission("cplot.admin")) {
								String regionName = Bukkit.getServer().getOfflinePlayer(args[1]).getUniqueId().toString() + "_" + args[2];
								if(Core.wg.getRegionManager(player.getWorld()).hasRegion(regionName)) {
									Core.wg.getRegionManager(player.getWorld()).removeRegion(regionName);
								}
								player.sendMessage(ChatColor.GREEN + "Region has been unclaimed.");
								return true;
							} else {
								player.sendMessage(ChatColor.RED + "You dont have permission to perform this command.");
								return false;
							}
						}
					case "add":
						return add(player, args[1], args[2]);
					case "remove":
						return remove(player, args[1], args[2]);
					case "op":
						return op(player, args[1], args[2]);
					case "deop":
						return deop(player, args[1], args[2]);
					case "price":
						return price(player);
					case "help":
						player.sendMessage(ChatColor.YELLOW + "/gs claim <name> [<x1> [<y1>] <z1> <x2> [<y2>] <z2>]\n" + ChatColor.WHITE + "Claims a new plot with the name <name> from pos1 to pos2.\n" + 
								ChatColor.YELLOW + "/gs expand <name> <north/south/east/west/up/down> <length>\n" + ChatColor.WHITE + "Expands the plot with the name <name> in a specific direction by <length>.\n" + 
								ChatColor.YELLOW + "/gs unclaim <name>\n" + ChatColor.WHITE + "Unclaims the plot with the name <name>.\n" + 
								ChatColor.YELLOW + "/gs add/remove <name> <player>\n" + ChatColor.WHITE + "Adds/Removes the player <player> to/from the members list of the plot with the name <name>.\n" + 
								ChatColor.YELLOW + "/gs op/deop <name> <player>\n" + ChatColor.WHITE + "Adds/Removes the player <player> to/from the members list of the plot with the name <name>.\n" + 
								ChatColor.YELLOW + "/gs price\n" + ChatColor.WHITE + "Shows the price/block in the current world.");
						return true;
					}
				} else {
					player.sendMessage(ChatColor.RED + "You dont have permissions to perform this command.");
				}
			} else {
				sender.sendMessage("This can only be issued by a player.");
			}
		} catch(Exception e) {
			e.printStackTrace();
		}
		return false;
	}
	
	private boolean claim(Player player, String label, int x1, int y1, int z1, int x2, int y2, int z2) {
		String regionName = player.getUniqueId().toString() + "_" + label;
		double cost = Double.parseDouble(Core.p.getProperty(player.getWorld().getName() + "_price")) * (x2-x1) * (y2-y1) * (z2-z1);
		try {
			if(Economy.hasEnough(player.getName(), cost)) {
				if(!Core.wg.getRegionManager(player.getWorld()).hasRegion(regionName)) {
					ProtectedCuboidRegion region = new ProtectedCuboidRegion(regionName, new BlockVector(x1, y1, z1), new BlockVector(x2, y2, z2));
					if(region.getIntersectingRegions(Core.wg.getRegionManager(player.getWorld()).getRegions().values()).size() == 0) {
						Economy.subtract(player.getName(), cost);
						Core.wg.getRegionManager(player.getWorld()).addRegion(region);
						Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).getOwners().addPlayer(player.getUniqueId());
						player.sendMessage(ChatColor.GREEN + "Region claimed for " + ChatColor.GOLD + cost);
					} else {
						player.sendMessage(ChatColor.RED + "Region already claimed / Intersecting with another region.");
					}
				} else {
					player.sendMessage(ChatColor.RED + "Name already taken.");
				}
			} else {
				player.sendMessage(ChatColor.RED + "Not enough money! You need " + ChatColor.GOLD + cost);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return false;
	}
	
	private boolean expand(Player player, String label, byte direction, int size) {
		String regionName = player.getUniqueId().toString() + "_" + label;
		double cost = 0.0;
		int x1, y1, z1, x2, y2, z2;
		BlockVector min, max;
		ProtectedCuboidRegion region = (ProtectedCuboidRegion) Core.wg.getRegionManager(player.getWorld()).getRegion(regionName);
		if(region != null) {
			min = region.getMinimumPoint();
			max = region.getMaximumPoint();
			x1 = min.getBlockX();
			y1 = min.getBlockY();
			z1 = min.getBlockZ();
			x2 = max.getBlockX();
			y2 = max.getBlockY();
			z2 = max.getBlockZ();
			Core.wg.getRegionManager(player.getWorld()).removeRegion(regionName);
			try {
			switch(direction) {
			case Direction.NORTH:
				cost = Double.parseDouble(Core.p.getProperty(player.getWorld().getName() + "_price")) * (max.getBlockX()-min.getBlockX()) * (max.getBlockY()-min.getBlockY()) * size;
				z1-=size;
				break;
			case Direction.SOUTH:
				cost = Double.parseDouble(Core.p.getProperty(player.getWorld().getName() + "_price")) * (max.getBlockX()-min.getBlockX()) * (max.getBlockY()-min.getBlockY()) * size;
				z2+=size;
				break;
			case Direction.EAST:
				cost = Double.parseDouble(Core.p.getProperty(player.getWorld().getName() + "_price")) * (max.getBlockX()-min.getBlockX()) * (max.getBlockY()-min.getBlockY()) * size;
				x2+=size;
				break;
			case Direction.WEST:
				cost = Double.parseDouble(Core.p.getProperty(player.getWorld().getName() + "_price")) * (max.getBlockX()-min.getBlockX()) * (max.getBlockY()-min.getBlockY()) * size;
				x1-=size;
				break;
			case Direction.UP:
				cost = Double.parseDouble(Core.p.getProperty(player.getWorld().getName() + "_price")) * (max.getBlockX()-min.getBlockX()) * (max.getBlockY()-min.getBlockY()) * size;
				y2+=size;
				break;
			case Direction.DOWN:
				cost = Double.parseDouble(Core.p.getProperty(player.getWorld().getName() + "_price")) * (max.getBlockX()-min.getBlockX()) * (max.getBlockY()-min.getBlockY()) * size;
				y1-=size;
				break;
			}
			if(Economy.hasEnough(player.getName(), cost)) {
				ProtectedCuboidRegion newRegion = new ProtectedCuboidRegion(regionName, new BlockVector(x1, y1, z1), new BlockVector(x2, y2, z2));
				if(newRegion.getIntersectingRegions(Core.wg.getRegionManager(player.getWorld()).getRegions().values()).size() == 0) {
					Economy.subtract(player.getName(), cost);
					Core.wg.getRegionManager(player.getWorld()).addRegion(newRegion);
					Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).getOwners().addPlayer(player.getUniqueId());
					player.sendMessage(ChatColor.GREEN + "Region has been expanded for " + ChatColor.GOLD + cost);
				} else {
					player.sendMessage(ChatColor.RED + "Region already claimed / Intersecting with another region.");
				}
			} else {
				player.sendMessage(ChatColor.RED + "Not enough money for expansion. You need " + ChatColor.GOLD + cost);
			}
			return true;
			} catch(Exception e) {
				player.sendMessage(ChatColor.RED + "Something, regarding to economy, went wrong.");
			}
		}
		return false;
	}
	
	private boolean unclaim(Player player, String label) {
		String regionName = player.getUniqueId().toString() + "_" + label;
		if(Core.wg.getRegionManager(player.getWorld()).hasRegion(regionName)) {
			LocalPlayer lp = Core.wg.wrapPlayer(player);
			if(Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).isOwner(lp)) {
				Core.wg.getRegionManager(player.getWorld()).removeRegion(regionName);
				player.sendMessage(ChatColor.GREEN + "Plot has been unclaimed.");
				return true;
			} else {
				player.sendMessage(ChatColor.RED + "You are not the owner of this region.");
			}
		} else {
			player.sendMessage(ChatColor.RED + "Region not found.");
		}
		return false;
	}
	
	private boolean add(Player player, String label, String addPlayer) {
		String regionName = player.getUniqueId().toString() + "_" + label;
		if(Core.wg.getRegionManager(player.getWorld()).hasRegion(regionName)) {
			LocalPlayer lp = Core.wg.wrapPlayer(player);
			if(Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).isOwner(lp)) {
				Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).getMembers().addPlayer(addPlayer);
				player.sendMessage(ChatColor.GREEN + "Player has been added.");
				return true;
			} else {
				player.sendMessage(ChatColor.RED + "You are not the owner of this region.");
			}
		} else {
			player.sendMessage(ChatColor.RED + "Region not found.");
		}
		return false;
	}
	
	private boolean remove(Player player, String label, String removePlayer) {
		String regionName = player.getUniqueId().toString() + "_" + label;
		if(Core.wg.getRegionManager(player.getWorld()).hasRegion(regionName)) {
			LocalPlayer lp = Core.wg.wrapPlayer(player);
			if(Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).isOwner(lp)) {
				Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).getMembers().removePlayer(removePlayer);
				player.sendMessage(ChatColor.GREEN + "Player has been removed.");
				return true;
			} else {
				player.sendMessage(ChatColor.RED + "You are not the owner of this region.");
			}
		} else {
			player.sendMessage(ChatColor.RED + "Region not found.");
		}
		return false;
	}
	
	private boolean op(Player player, String label, String addPlayer) {
		String regionName = player.getUniqueId().toString() + "_" + label;
		if(Core.wg.getRegionManager(player.getWorld()).hasRegion(regionName)) {
			LocalPlayer lp = Core.wg.wrapPlayer(player);
			if(Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).isOwner(lp)) {
				Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).getOwners().addPlayer(addPlayer);
				player.sendMessage(ChatColor.GREEN + "Player has been added.");
				return true;
			} else {
				player.sendMessage(ChatColor.RED + "You are not the owner of this region.");
			}
		} else {
			player.sendMessage(ChatColor.RED + "Region not found.");
		}
		return false;
	}
	
	private boolean deop(Player player, String label, String removePlayer) {
		String regionName = player.getUniqueId().toString() + "_" + label;
		if(Core.wg.getRegionManager(player.getWorld()).hasRegion(regionName)) {
			LocalPlayer lp = Core.wg.wrapPlayer(player);
			if(Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).isOwner(lp)) {
				Core.wg.getRegionManager(player.getWorld()).getRegion(regionName).getOwners().removePlayer(removePlayer);
				player.sendMessage(ChatColor.GREEN + "Player has been removed.");
				return true;
			} else {
				player.sendMessage(ChatColor.RED + "You are not the owner of this region.");
			}
		} else {
			player.sendMessage(ChatColor.RED + "Region not found.");
		}
		return false;
	}
	
	private boolean price(Player player) {
		String world = player.getWorld().getName();
		player.sendMessage(ChatColor.GREEN + "Price/block in world " + world + ": " + ChatColor.GOLD + Core.p.getProperty(world + "_price"));
		return true;
	}

}