package com.googlemail.rpaliwoda.motd;

import java.util.logging.Logger;
import java.io.*;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.plugin.java.JavaPlugin;

// Have a node for motd.admins, that allow a user with that permission
// to modify the motd: /motd New message!
// Write and read the motd from a text file in the plugin directory.

public class MotD extends JavaPlugin implements Listener
{
    Logger log;
    String motd = "";
    File f;

    public void onEnable()
    {
        log = this.getLogger();
        getServer().getPluginManager().registerEvents(this, this);
        log.info("MotD plugin has been enabled.");
        f = new File("motd.txt");
        // read motd from file
        // stuff motd in a String variable
        motd = getMotD();
    }

    public void onDisable()
    {
        // write motd to file
        log.info("MotD plugin has been disabled.");
    }

    @EventHandler // EventPriority.NORMAL by default
    public void onPlayerLogin(PlayerLoginEvent event)
    {
        // Display a message on player login.
        // display motd String retrieved earlier
        Player player = event.getPlayer();
        player.sendMessage("MotD: " + motd);
        log.info(player.getName() + " logged in; MotD sent");

        // okay, so the player isn't actually getting the MotD.
        // possibilities include this failing, or string motd not being set to anything at the time

        // it seems this is what's failing and not doing anything, since log.info() isn't doing a thing.
    }

    public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args)
    {
        Player player = null;
        if (sender instanceof Player)
        {
            player = (Player) sender;
        }

        if(cmd.getName().equalsIgnoreCase("motd"))
        {
            if(player != null)
            {
                if(player.hasPermission("motd.admins"))
                {
                    setMotD(args);
                    // send message to player informing success - make setMotD return boolean?
                    // should it inform currently-online players of changed MotD? Probably.
                }
                else
                {
                    // error message re: permissions
                }
            }
            else
            {
                setMotD(args);
            }

            return true;
        }
        return false;
    }

    public String getMotD()
    {
        String temp = "";
        BufferedReader br = null;
        //File f = new File("motd.txt");
        if(!f.exists())
        {
            try
            {
                f.createNewFile();
                log.info("File motd.txt not detected; new motd.txt created in server folder.");
            }
            catch (IOException e)
            {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        try
        {
            br = new BufferedReader(new FileReader("motd.txt"));
            temp = br.readLine();
        }
        catch(IOException e)
        {
            e.printStackTrace();
        }
        finally
        {
            try
            {
                if (br != null)
                    br.close();
            }
            catch (IOException ex)
            {
                ex.printStackTrace();
            }
        }
        return temp;
    }

    public void setMotD(String[] args)
    {

        // accept new motd
        for(int i = 0; i < args.length; i++)
        {
            if(i != 0)
                motd = motd + " " + args[i];
            else
                motd = args[i];
        }

        try
        {
            BufferedWriter bw = new BufferedWriter(new FileWriter(f,false));
            bw.write(motd);
            bw.close();

            log.info("New MotD set: " + motd); // show confirmation of new motd
        }
        catch (IOException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}