import java.io.*;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;

public class vMinecraftUsers {
    private static volatile vMinecraftUsers instance;
    protected static final Logger log = Logger.getLogger("Minecraft");
    private PropertiesFile properties;
    String location = "vminecraft.users";
    
    public static PlayerList players = new PlayerList();
    
    
    public void loadUsers(){
        File theDir = new File(location);
		if(!theDir.exists()){
			properties = new PropertiesFile(location);
			FileWriter writer = null;
			try {
				writer = new FileWriter(location);
				writer.write("#Storage place for user information\r\n");
                writer.write("#username:nickname:suffix:tag:ignore,list,names:alias,commands,here\r\n");
			} catch (Exception e) {
				log.log(Level.SEVERE, "Exception while creating " + location, e);
			} finally {
				try {
					if (writer != null) {
						writer.close();
					}
				} catch (IOException e) {
					log.log(Level.SEVERE, "Exception while closing writer for " + location, e);
				}
			}

		} else {
			properties = new PropertiesFile(location);
			try {
				properties.load();
			} catch (IOException e) {
				log.log(Level.SEVERE, "Exception while loading " + location, e);
			}
		}
    }

	//=====================================================================
	//Function:	addUser
	//Input:	Player player: The player to create a profile for
	//Output:	none
	//Use:		Loads the profile for the specified player
	//=====================================================================
    public static void addUser(Player player){
    	players.addPlayer(player);
    }

	//=====================================================================
	//Function:	removeUser
	//Input:	Player player: The player to stop following
	//Output:	none
	//Use:		Creates the player profile
	//=====================================================================
    public static void removeUser(Player player){
    	players.removePlayer(player);
    }

	//=====================================================================
	//Function:	getProfile
	//Input:	Player player: The player to find the profile for
	//Output:	PlayerList.PlayerProfile: The profile
	//Use:		Gets the player profile
	//=====================================================================
    public static PlayerList.PlayerProfile getProfile(Player player){
    	return players.findProfile(player);
    }
    
    public static vMinecraftUsers getInstance() {
		if (instance == null) {
			instance = new vMinecraftUsers();
		}
		return instance;
	}
    public static void getRow(){

    }
}

//=====================================================================
//Class:	PlayerList
//Use:		Encapsulates the player list
//Author:	cerevisiae
//=====================================================================
class PlayerList
{       
    protected static final Logger log = Logger.getLogger("Minecraft");
	ArrayList<PlayerProfile> players;
	
	//=====================================================================
	//Function:	PlayerList
	//Input:	Player player: The player to create a profile object for
	//Output:	none
	//Use:		Initializes the ArrayList
	//=====================================================================
	public PlayerList() { players = new ArrayList<PlayerProfile>(); }

	//=====================================================================
	//Function:	addPlayer
	//Input:	Player player: The player to add
	//Output:	None
	//Use:		Add a profile of the specified player
	//=====================================================================
	public void addPlayer(Player player)
	{
		players.add(new PlayerProfile(player));
	}

	//=====================================================================
	//Function:	removePlayer
	//Input:	Player player: The player to remove
	//Output:	None
	//Use:		Remove the profile of the specified player
	//=====================================================================
	public void removePlayer(Player player)
	{
		players.remove(findProfile(player));
	}

	//=====================================================================
	//Function:	findProfile
	//Input:	Player player: The player to find's profile
	//Output:	PlayerProfile: The profile of the specified player
	//Use:		Get the profile for the specified player
	//=====================================================================
	public PlayerProfile findProfile(Player player)
	{
		for(PlayerProfile ply : players)
		{
			if(ply.isPlayer(player))
				return ply;
		}
		return null;
	}
	
	//=====================================================================
	//Class:	PlayerProfile
	//Use:		Encapsulates all commands for player options
	//Author:	cerevisiae
	//=====================================================================
	class PlayerProfile
	{
	    protected final Logger log = Logger.getLogger("Minecraft");
		private String playerName,
					   lastMessage,
					   nickName,
					   tag,
					   suffix;
		
		char defaultColor;

        String location = "vminecraft.users";
		
		private ArrayList<String> ignoreList;
		private commandList aliasList;
		
	    static final int EXIT_FAIL		= 0,
			 			 EXIT_SUCCESS	= 1,
			 			 EXIT_CONTINUE	= 2;

		//=====================================================================
		//Function:	PlayerProfile
		//Input:	Player player: The player to create a profile object for
		//Output:	none
		//Use:		Loads settings for the player or creates them if they don't
		//			exist.
		//=====================================================================
		public PlayerProfile(Player player)
		{
            //Declare things
			playerName = player.getName();
            tag = new String();
            nickName = new String();
            suffix = new String();
            defaultColor = 'f';
			ignoreList = new ArrayList<String>();
            aliasList = new commandList();
            
            //Try to load the player and if they aren't found, append them
            if(!load())
            	addPlayer();
		}
		
		public boolean load()
		{
            try {
            	//Open the user file
            	FileReader file = new FileReader(location);
            	BufferedReader in = new BufferedReader(file);
            	String line = "";
            	while((line = in.readLine()) != null)
            	{
            		//Find if the line contains the player we want.
            		String[] character = line.split(":");
            		if(!character[0].equals(playerName)){continue;}
            		
        			//Get the tag
        			if(character.length > 1)
        				tag = character[1];
        			//Get the nickname
        			if(character.length > 2)
        				nickName = character[2];
        			//Get the suffix
        			if(character.length > 3)
        				suffix = character[3];
        			//Get the color
        			if(character.length > 4)
        				defaultColor = character[4].charAt(0);
        			//Ignore previously ignored players
        			if(character.length > 5)
        			{
        				String[] ignores = character[5].split(",");
        				if(ignores.length > 0)
        				{
        					for(String ignore : ignores)
        						ignoreList.add(ignore);
        				}
        			}
        			//Register the aliases
        			if(character.length > 6)
        			{
        				String[] allAliases = character[6].split(",");
        				if(allAliases.length > 0)
        				{
        					for(String singleAlias : allAliases)
        					{
        						String[] parts = singleAlias.split("@");
        						if(parts.length > 1)
        						{
        							aliasList.registerAlias(parts[0], parts[1]);
        						}
        					}
        				}
        			}
                	in.close();
        			return true;
            	}
            	in.close();
	        } catch (Exception e) {
	            log.log(Level.SEVERE, "Exception while reading "
	            		+ location + " (Are you sure you formatted it correctly?)", e);
	        }
	        return false;
		}
		
        //=====================================================================
        // Function:    save
        // Input:       none
        // Output:      None
        // Use:         Writes current values of PlayerProfile to disk
		//				Call this function to save current values
        //=====================================================================
        public void save()
        {
            try {
            	//Open the file
            	FileReader file = new FileReader(location);
                BufferedReader in = new BufferedReader(file);
                StringBuilder writer = new StringBuilder();
            	String line = "";
            	
            	//While not at the end of the file
            	while((line = in.readLine()) != null)
            	{
            		//Read the line in and copy it to the output it's not the player
            		//we want to edit
            		if(!line.split(":")[0].equalsIgnoreCase(playerName))
            		{
                        writer.append(line).append("\r\n");
                        
                    //Otherwise write the new player information
            		} else {
            			writer.append(playerName + ":");
            			writer.append(tag + ":");
            			writer.append(nickName + ":");
            			writer.append(suffix + ":");
            			writer.append(defaultColor + ":");
            			
            			int i = 0;
            			for(String ignore : ignoreList)
            			{
            				writer.append(ignore);
            				if(i < ignoreList.size() - 1)
            					writer.append(",");
            			}
            			writer.append(":");
            			
            			writer.append(aliasList.toString());
            			writer.append("\r\n");
            		}
            	}
            	in.close();
            	

            	//Write the new file
                FileWriter out = new FileWriter(location);
                out.write(writer.toString());
                out.close();
               
	        } catch (Exception e) {
                    log.log(Level.SEVERE, "Exception while writing to " + location + " (Are you sure you formatted it correctly?)", e);
	        }
		}
        
        public void addPlayer()
        {
            try {
            	//Open the file to write the player
            	FileWriter file = new FileWriter(location, true);
                BufferedWriter out = new BufferedWriter(file);
                
                //Add the player to the end
                out.append(playerName + ":");
                out.append(tag + ":");
                out.append(nickName + ":");
                out.append(suffix + ":");
                out.append(defaultColor + ":");
    			
    			int i = 0;
    			for(String ignore : ignoreList)
    			{
    				out.append(ignore);
    				if(i < ignoreList.size() - 1)
    					out.append(",");
    			}
    			out.append(":");
    			
    			out.append(aliasList.toString());
    			out.newLine();
    			out.close();
               
	        } catch (Exception e) {
                    log.log(Level.SEVERE, "Exception while writing to " + location + " (Are you sure you formatted it correctly?)", e);
	        }
        }

		//=====================================================================
		//Function:	isPlayer
		//Input:	None
		//Output:	Player: The player this profile belongs to
		//Use:		Finds if this profile belongs to a specified player
		//=====================================================================
		public boolean isPlayer(Player player)
		{
			return player.getName().equals(playerName);
		}

		//=====================================================================
		//Function:	isIgnored
		//Input:	Player player: Checks if a player is ignored
		//Output:	boolean: If they're ignored
		//Use:		Finds if the specified player is in the ignore list
		//=====================================================================
		public boolean isIgnored(Player player){
			return ignoreList.contains(player.getName());
		}

		//=====================================================================
		//Function:	addIgnore
		//Input:	Player name: The player to ignore
		//Output:	boolean: If the player was successfully ignored
		//Use:		Ignores a player.
		//=====================================================================
		public boolean addIgnore(Player name)
		{
			if(!ignoreList.contains(name))
			{
				ignoreList.add(name.getName());
				save();
				return true;
			}
			return false;
		}

		//=====================================================================
		//Function:	removeIgnore
		//Input:	Player name: The player to unignore
		//Output:	boolean: If the player was successfully unignored
		//Use:		Stops ignoring a player.
		//=====================================================================
		public boolean removeIgnore(Player name)
		{
			if(ignoreList.contains(name.getName()))
			{
				ignoreList.remove(name.getName());
				save();
				return true;
			}
			return false;
		}

		//=====================================================================
		//Function:	removeIgnore
		//Input:	Player name: The player to unignore
		//Output:	boolean: If the player was successfully unignored
		//Use:		Stops ignoring a player.
		//=====================================================================
		public String[] listIgnore()
		{
			return ignoreList.toArray(new String[ignoreList.size()]);
		}

		//=====================================================================
		//Function:	addAlias
		//Input:	String command: The command to try to call
		//			String[] args: The arguments for the command
		//Output:	None
		//Use:		Adds a command
		//=====================================================================
		public void addAlias(String name, String callCommand)
		{
			aliasList.registerAlias(name, callCommand);
			save();
		}

		//=====================================================================
		//Function:	callAlias
		//Input:	String command: The command to try to call
		//			Player player: Checks if a player is ignored
		//			String[] args: The arguments for the command
		//Output:	int: Exit code
		//Use:		Attempts to call a command
		//=====================================================================
		public int callAlias(String command, Player player, String[] args)
		{
			try
			{
				//Attemt to call the function
				return aliasList.call(command, player, args);
			}
			catch (Throwable e)
			{
				//The function wasn't found, returns fail
				return EXIT_FAIL;
			}
		}

		//=====================================================================
		//Function:	setTag
		//Input:	String newTag: The tag to set for the player
		//Output:	None
		//Use:		Sets a player tag
		//=====================================================================
		public void setTag(String newTag)
		{
			tag = newTag;
			save();
		}

		//=====================================================================
		//Function:	getTag
		//Input:	None
		//Output:	String: The player tag
		//Use:		Gets a player tag
		//=====================================================================
		public String getTag() { return tag; }

		//=====================================================================
		//Function:	setNick
		//Input:	String newTag: The nickname to set for the player
		//Output:	None
		//Use:		Sets a player nickname
		//=====================================================================
		public void setNick(String newNick)
		{
			nickName = newNick;
			save();
		}

		//=====================================================================
		//Function:	getNick
		//Input:	None
		//Output:	String: The player nickname
		//Use:		Gets a player nickname
		//=====================================================================
		public String getNick() { return nickName; }

		//=====================================================================
		//Function:	setSuffix
		//Input:	String newTag: The suffix to set for the player
		//Output:	None
		//Use:		Sets a player suffix
		//=====================================================================
		public void setSuffix(String newSuffix)
		{
			suffix = newSuffix;
			save();
		}

		//=====================================================================
		//Function:	getSuffix
		//Input:	None
		//Output:	String: The player suffix
		//Use:		Gets a player suffix
		//=====================================================================
		public String getSuffix() { return suffix; }

		//=====================================================================
		//Function:	setColor
		//Input:	String newTag: The color to set for the player
		//Output:	None
		//Use:		Sets a player color
		//=====================================================================
		public void setColor(String newColor)
		{
			defaultColor = newColor.charAt(0);
			save();
		}

		//=====================================================================
		//Function:	getColor
		//Input:	None
		//Output:	String: The player color
		//Use:		Gets a player color
		//=====================================================================
		public String getColor() {return vMinecraftChat.colorChange(defaultColor);}

		//=====================================================================
		//Function:	setMessage
		//Input:	String newName: The name of the player they last messaged
		//			or recieved a message from.
		//Output:	None
		//Use:		Sets a player tag
		//=====================================================================
		public void setMessage(Player newName){ lastMessage = newName.getName(); }

		//=====================================================================
		//Function:	getMessage
		//Input:	None
		//Output:	String: The player name
		//Use:		Gets the name of the player they last messaged or recieved
		//			a message from.
		//=====================================================================
		public Player getMessage()
		{
			if(lastMessage != null)
				return etc.getServer().matchPlayer(lastMessage);
			return null;
		}
	}
}