package de.web.basman93;

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

import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.event.player.PlayerLoginEvent.Result;
import org.bukkit.plugin.java.JavaPlugin;

public class KickPlayerOnJoin extends JavaPlugin implements Listener {
	
	private boolean active = true;
	private FileConfiguration config = getConfig();
	private List<String> playerlist = new ArrayList<String>();
	private final String prefix = ChatColor.GRAY + "[K" + ChatColor.DARK_GRAY + "P" + ChatColor.GRAY + "OJ] ";
	
	@Override
	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
		if(command.getName().equalsIgnoreCase("kickplayeronjoin")) {
			
			if(args.length > 0 && args[0].equalsIgnoreCase("on") && cop(sender, "kpoj.mode")) {
				sender.sendMessage(prefix + "activated");
				active = true;
				save();
				
			} else if(args.length > 0 && args[0].equalsIgnoreCase("off") && cop(sender, "kpoj.mode")) {
				sender.sendMessage(prefix + "deactivated");
				active = false;
				save();
				
			} else if(args.length > 0 && args[0].equalsIgnoreCase("help") && cop(sender, "kpoj.help")) {
				sender.sendMessage(prefix + "--------------- HELP ---------------");
				sender.sendMessage(prefix + "/kpoj      - shows version & status");
				sender.sendMessage(prefix + "/kpoj help - shows this help info");
				sender.sendMessage(prefix + "/kpoj off  - deactivate this plugin");
				sender.sendMessage(prefix + "/kpoj on   - activate this plugin");
				sender.sendMessage(prefix + "------------------------------------");
				
			} else if(args.length > 1 && args[0].equalsIgnoreCase("add") && cop(sender, "kpoj.add")) {
				for(int i = 1; i < args.length; i++) {
					if(playerlist.contains(args[i])) {
						sender.sendMessage(prefix + args[i] + " is already in the whitelist!");
					} else {
						playerlist.add(args[i]);
						sender.sendMessage(prefix + args[i] + " add to whitelist!");
					}
				}
				save();
				
			} else if(args.length > 1 && args[0].equalsIgnoreCase("del") && cop(sender, "kpoj.del")) {
				for(int i = 1; i < args.length; i++) {
					if(playerlist.contains(args[i])) {
						playerlist.remove(args[i]);
						sender.sendMessage(prefix + args[i] + " removed from the whitelist!");
					} else {
						sender.sendMessage(prefix + args[i] + " is not in the whitelist!");
					}
				}
				save();
				
			} else if(args.length > 0 && args[0].equalsIgnoreCase("reload") && cop(sender, "kpoj.reload")) {
				reloadConfig();
				
				config = getConfig();
				
				playerlist = config.getStringList("Player");
				active = config.getBoolean("Check");
				
			} else if(args.length > 0 && args[0].equalsIgnoreCase("list") && cop(sender, "kpoj.list")) {
				String buffer = playerlist.isEmpty() ? "" : playerlist.get(0);
				for(int i = 1; i < playerlist.size(); i++) {
					buffer += ", " + playerlist.get(i);
				}
				sender.sendMessage(prefix + "Players: " + buffer);
				
			} else {
				sender.sendMessage(prefix + "Version: " + getDescription().getVersion());
				if(cop(sender, "kpoj.info"))
					sender.sendMessage(prefix + "Active:  " + (active ? ChatColor.GREEN + "yes" : ChatColor.RED + "no"));
				if(sender.hasPermission("kpoj.info") && sender instanceof Player)
					sender.sendMessage(prefix + "Status:  " + (playerlist.contains(sender.getName()) ? ChatColor.GREEN + "Allowed" : ChatColor.RED + "Disallowed"));
			}
			return true;
		}
		return false;
	}
	
	@Override
    public void onEnable() {
		saveDefaultConfig();
		
		playerlist = config.getStringList("Player");
		active = config.getBoolean("Check");
		
		getServer().getPluginManager().registerEvents(this, this);
    }
	
    @EventHandler
    public void onPlayerLogin(PlayerLoginEvent event) {
    	if(!playerlist.contains(event.getPlayer().getName()) && active) {
    		event.disallow(Result.KICK_WHITELIST, "You are not whitelisted on this server!");
    		getServer().broadcastMessage(event.getPlayer().getName());
    	}
    }
    
    private boolean cop(CommandSender sender, String perm) {
    	return sender.hasPermission(perm) || !(sender instanceof Player);
    }
    
    private void save() {
    	config.set("Check", active);
    	config.set("Player", playerlist);
		saveConfig();
    }
}