package tk.sznp.thebuttonautoflair;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.io.IOUtils;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;
import org.json.JSONArray;
import org.json.JSONObject;

import com.palmergames.bukkit.towny.object.Town;
import com.palmergames.bukkit.towny.object.WorldCoord;

public class PluginMain extends JavaPlugin
{ //Translated to Java: 2015.07.15.
	//A user, which flair isn't obtainable:
	//https://www.reddit.com/r/thebutton/comments/31c32v/i_pressed_the_button_without_really_thinking/
	private static PluginMain Instance;
    // Fired when plugin is first enabled
    @Override
    public void onEnable()
    {
		System.out.println("The Button Auto-flair Plugin by NorbiPeti (:P)");
		getServer().getPluginManager().registerEvents(new PlayerListener(), this);
		this.getCommand("u").setExecutor(new Commands());
		this.getCommand("u").setUsage(this.getCommand("u").getUsage().replace('&', '§'));
		Instance=this; //2015.08.08.
		LoadFiles(false); //2015.08.09.
		Runnable r=new Runnable(){public void run(){ThreadMethod();}};
		Thread t=new Thread(r);
		t.start();
    }
    Boolean stop=false;
    // Fired when plugin is disabled
    @Override
    public void onDisable()
    {
    	SaveFiles(); //2015.08.09.
		stop=true;
    }
    
    public void ThreadMethod() //<-- 2015.07.16.
    {
    	while(!stop)
    	{
			try
			{
				String body=DownloadString("https://www.reddit.com/r/TheButtonMinecraft/comments/3d25do/autoflair_system_comment_your_minecraft_name_and/.json?limit=1000");
				JSONArray json=new JSONArray(body).getJSONObject(1).getJSONObject("data").getJSONArray("children");
				for(Object obj : json)
				{
					JSONObject item = (JSONObject)obj;
					String author=item.getJSONObject("data").getString("author");
					String ign=item.getJSONObject("data").getString("body");
	                int start = ign.indexOf("IGN:") + "IGN:".length();
	                //System.out.println("Start: "+start);
	                if(start==-1+"IGN:".length()) //+length: 2015.08.10.
	                	continue; //2015.08.09.
	                int end = ign.indexOf(' ', start);
	                if (end == -1 || end == start)
	                	end=ign.indexOf('\n', start); //2015.07.15.
	                //System.out.println("End: "+end);
	                if (end == -1 || end == start)
	                    ign = ign.substring(start);
	                else
	                    ign = ign.substring(start, end);
	                //System.out.println("IGN: "+ign);
	                ign = ign.trim();
	                //System.out.println("Trimmed IGN: "+ign);
	                if(HasIGFlair(ign))
	                	continue;
					try {
					    Thread.sleep(10);
					} catch(InterruptedException ex) {
					    Thread.currentThread().interrupt();
					}
	                String[] flairdata = DownloadString("http://karmadecay.com/thebutton-data.php?users=" + author).replace("\"", "").split(":");
	                String flair;
	                if(flairdata.length > 1) //2015.07.15.
	                	flair = flairdata[1];
	                else
	                	flair="";
	                if (flair != "-1")
	                    flair = flair + "s";
	                else
	                    flair = "non-presser";
					String flairclass;
					if(flairdata.length>2)
						flairclass = flairdata[2];
					else
						flairclass="unknown";
	                SetFlair(ign, flair, flairclass, author);
				}
				Thread.sleep(10000);
			}
			catch(Exception e)
			{
				System.out.println("Error!\n"+e);
				LastException=e; //2015.08.09.
			}
    	}
    }
    
    public static Exception LastException; //2015.08.09.
    
    public String DownloadString(String urlstr) throws MalformedURLException, IOException
    {
		URL url = new URL(urlstr);
		URLConnection con = url.openConnection();
		con.setRequestProperty("User-Agent", "TheButtonAutoFlair");
		InputStream in = con.getInputStream();
		String encoding = con.getContentEncoding();
		encoding = encoding == null ? "UTF-8" : encoding;
		String body = IOUtils.toString(in, encoding);
		in.close();
		return body;
    }

    public static Map<String, String> TownColors=new HashMap<String, String>(); //2015.07.20.
    public Boolean HasIGFlair(String playername)
    {
    	MaybeOfflinePlayer p=MaybeOfflinePlayer.AddPlayerIfNeeded(playername); //2015.08.08.
    	return p.Flair!=null; //2015.08.08.
    }
    
    public void SetFlair(String playername, String text, String flairclass, String username)
    {
    	MaybeOfflinePlayer p=MaybeOfflinePlayer.AddPlayerIfNeeded(playername); //2015.08.08.
    	String finalflair;
    	p.FlairDecided=true;
    	switch(flairclass)
    	{
    	case "press-1":
    		finalflair="§c("+text+")§r";
    		break;
    	case "press-2":
    		finalflair="§6("+text+")§r";
    		break;
    	case "press-3":
    		finalflair="§e("+text+")§r";
    		break;
    	case "press-4":
    		finalflair="§a("+text+")§r";
    		break;
    	case "press-5":
    		finalflair="§9("+text+")§r";
    		break;
    	case "press-6":
    		finalflair="§5("+text+")§r";
    		break;
    	case "no-press":
    		finalflair="§7(non-pr.)§r";
    		break;
    	case "cheater":
    		finalflair="§5("+text+")§r";
    		break;
    	case "cant-press": //2015.08.08.
    		finalflair="§r(can't press)§r";
    		break;
    	case "undecided": //2015.08.09.
    		p.FlairDecided=false;
    		finalflair="";
    		break;
		default:
			finalflair="";
			break;
    	}
    	if(finalflair.length()==0) //<-- 2015.07.20.
    		return;
    	p.Flair=finalflair; //2015.08.08.
    	p.UserName=username; //2015.08.08.
    	System.out.println("Added new flair to "+playername+": "+finalflair);
    	for(Player player : getServer().getOnlinePlayers()) //<-- 2015.08.08.
    	{
    		if(player.getName().equals(playername))
    		{
    			//AppendPlayerDisplayFlair(player, username, finalflair);
    			AppendPlayerDisplayFlair(p, player);
    			break;
    		}
    	}
    }
    
    public static String GetFlair(Player player)
    { //2015.07.16.
    	String flair=MaybeOfflinePlayer.AllPlayers.get(player.getName()).Flair; //2015.08.08.
    	return flair==null ? "" : flair;
    }

    //public static void AppendPlayerDisplayFlair(Player player, String username, String flair)
    public static void AppendPlayerDisplayFlair(MaybeOfflinePlayer player, Player p) //<-- 2015.08.09.
    {
    	
    	if(MaybeOfflinePlayer.AllPlayers.get(p.getName()).IgnoredFlair)
    		return;
    	if(MaybeOfflinePlayer.AllPlayers.get(p.getName()).AcceptedFlair)
    	{
    		AppendPlayerDisplayFlairFinal(p, player.Flair); //2015.07.20.
    		if(!player.FlairDecided)
    			p.sendMessage("§9Your flair type is unknown. Are you a non-presser or a can't press? (/u nonpresser or /u cantpress)§r"); //2015.08.09.
    	}
    	else
    		p.sendMessage("§9Are you Reddit user "+player.UserName+"?§r §6Type /u accept or /u ignore§r");
    }
    
    private static void AppendPlayerDisplayFlairFinal(Player player, String flair)
    { //2015.07.20.
    	/*String color = GetColorForTown(GetPlayerTown(player)); //TO!DO: Multiple colors put on first capital letters
    	String[] colors = color.substring(1).split("§");
    	String displayname=player.getName(); //2015.08.08.
    	ArrayList<Integer> Positions=new ArrayList<>();
    	for(int i=0; i<displayname.length(); i++) {
            if(Character.isUpperCase(displayname.charAt(i))) {
                Positions.add(i);
            }
    	}
    	String finalname=""; //TODO
    	if(Positions.size()>=colors.length)
    	{
    		int x=0;
    		for(int i=0; i<Positions.size(); i++)
    		{
    			int pos=Positions.get(i);
    			int nextpos;
    			if(i!=Positions.size()-1)
        			nextpos=Positions.get(i+1);
    			else
    				nextpos=displayname.length();
    			String substr="§"+colors[x++]+displayname.substring(pos, nextpos)+"§r";
    			finalname+=substr;
    		}
    	}
    	else
    	{
    		Positions.clear();
    		int unit=displayname.length()/colors.length;
    		int x=0;
    		for(int i=0; i<displayname.length()-unit; i+=unit)
    		{
    			int pos=i;
    			int nextpos;
    			if(i<displayname.length()-unit-unit)
    				nextpos=i+unit;
    			else
    				nextpos=displayname.length();
    			String substr="§"+colors[x++]+displayname.substring(pos, nextpos)+"§r";
    			finalname+=substr;
    		}
    	}*/
    	MaybeOfflinePlayer.AllPlayers.get(player.getName()).Flair=flair; //2015.08.08.
    }
    
    public static String GetColorForTown(String townname)
    { //2015.07.20.
    	if(TownColors.containsKey(townname))
    		return TownColors.get(townname);
    	return "";
    }
    
    public static String GetPlayerTown(Player player)
    { //2015.07.20.
    	try {
			Town town = WorldCoord.parseWorldCoord(player).getTownBlock().getTown(); //TODO
			return town.getName();
		} catch (Exception e) {
			return "";
		}
    }
    
    /*public static void RemovePlayerDisplayFlairFinal(Player player, String flair)
    { //2015.07.20.
    	MaybeOfflinePlayer.AllPlayers.get(player.getName()).Flair=null; //2015.08.08.
    }*/
    
    public static Collection<? extends Player> GetPlayers()
    {
    	return Instance.getServer().getOnlinePlayers();
    }
    
    public static void LoadFiles(boolean reload) //<-- 2015.08.09.
    {
    	if(reload)
    	{ //2015.08.09.
    		System.out.println("Auto-flair plugin cleanup for reloading...");
    		MaybeOfflinePlayer.AllPlayers.clear();
    		TownColors.clear();
    	}
    	System.out.println("Loading files for auto-flair plugin..."); //2015.08.09.
		try {
			File file=new File("flairsaccepted.txt");
			if(file.exists())
			{
				BufferedReader br=new BufferedReader(new FileReader("flairsaccepted.txt"));
				String line;
				while ((line = br.readLine()) != null)
				{
					String name=line.replace("\n", "");
					//System.out.println("Name: " + name);
					MaybeOfflinePlayer.AddPlayerIfNeeded(name).AcceptedFlair=true; //2015.08.08.
				}
				br.close();
			}
			file=new File("flairsignored.txt");
			if(file.exists())
			{
				BufferedReader br=new BufferedReader(new FileReader("flairsignored.txt"));
				String line;
				while ((line = br.readLine()) != null)
				{
					String name=line.replace("\n", "");
					MaybeOfflinePlayer.AddPlayerIfNeeded(name).IgnoredFlair=true; //2015.08.08.
				}
				br.close();
			}
			file=new File("autoflairconfig.txt");
			if(file.exists())
			{
				BufferedReader br=new BufferedReader(new FileReader(file));
				String line;
				while((line=br.readLine())!=null)
				{
					String[] s=line.split(" ");
					if(s.length>=2) //<-- 2015.08.10.
						TownColors.put(s[0], s[1]);
				}
				br.close();
			}
			file=new File("customflairs.txt"); //2015.08.09.
			if(file.exists())
			{
				BufferedReader br=new BufferedReader(new FileReader(file));
				String line;
				while((line=br.readLine())!=null)
				{
					String[] s=line.split(" ");
					if(s.length>=2) //2015.08.10.
						MaybeOfflinePlayer.AddPlayerIfNeeded(s[0]).Flair=s[1]; //2015.08.09.
				}
				br.close();
			}
			//throw new IOException("Test"); //2015.08.09.
			System.out.println("Auto-flair plugin loaded files!");
		} catch (IOException e) {
			System.out.println("Error!\n"+e);
			LastException=e; //2015.08.09.
		}
    }
    public static void SaveFiles() //<-- 2015.08.09.
    {
    	try
    	{
			FileWriter fw;
			fw = new FileWriter("flairsaccepted.txt");
			fw.close();
			fw = new FileWriter("flairsignored.txt");
			fw.close();
    	}
    	catch(Exception e)
    	{
			System.out.println("Error!\n"+e);
			LastException=e; //2015.08.09.
    	}
		try {
			File file=new File("flairsaccepted.txt");
			BufferedWriter bw=new BufferedWriter(new FileWriter(file, true));
	    	for(MaybeOfflinePlayer player : MaybeOfflinePlayer.AllPlayers.values()) //<-- 2015.08.08.
	    	{
	    		if(!player.AcceptedFlair)
	    			continue; //2015.08.08.
				bw.write(player.PlayerName+"\n");
	    	}
			bw.close();
    		file=new File("flairsignored.txt");
			bw = new BufferedWriter(new FileWriter(file, true));
	    	for(MaybeOfflinePlayer player : MaybeOfflinePlayer.AllPlayers.values()) //<-- 2015.08.08.
	    	{
	    		if(!player.IgnoredFlair)
	    			continue; //2015.08.08.
				bw.write(player.PlayerName+" "+player.Flair+"\n");
	    	}
			bw.close();
		} catch (IOException e) {
			System.out.println("Error!\n"+e);
			LastException=e; //2015.08.09.
		}
    }
    public static boolean RemoveLineFromFile(String file, String line)
    { //2015.08.09.
    	File inputFile = new File(file);
	    File tempFile = new File("_temp.txt");
	    
	    if(!inputFile.exists())
	    	return true; //2015.08.10.
	    
		try {
		    BufferedReader reader = new BufferedReader(new FileReader(inputFile));
		    BufferedWriter writer = new BufferedWriter(new FileWriter(tempFile));
		
		    String lineToRemove = line;
		    String currentLine;
		
		    while((currentLine = reader.readLine()) != null) {
		        // trim newline when comparing with lineToRemove
		        String trimmedLine = currentLine.trim();
		        //if(trimmedLine.equals(lineToRemove)) continue;
		        if(trimmedLine.contains(lineToRemove)) continue; //2015.08.09.
		        writer.write(currentLine + System.getProperty("line.separator"));
		    }
		    writer.close(); 
		    reader.close();
		    return tempFile.renameTo(inputFile);
		} catch (IOException e) {
			System.out.println("Error!\n"+e);
			LastException=e; //2015.08.09.
		}
		return false;
    }
}