package mineplex.serverstatifier;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

public class StatusSnapshotRepository
{
	private String _serverStatusConnectionString = "jdbc:mysql://db.mineplex.com:3306/ServerStatus";
	private String _userName = "root";
	private String _password = "tAbechAk3wR7tuTh";

	private String _bungeeConnectionString = "jdbc:mysql://db.mineplex.com:3306/BungeeServers";
	
	private static String CREATE_TABLE = "CREATE TABLE IF NOT EXISTS ServerStatus (id INT NOT NULL AUTO_INCREMENT, serverName VARCHAR(256), serverGroup VARCHAR(256), address VARCHAR(256), port VARCHAR(11), updated LONG, lastTimeWithPlayers LONG, motd VARCHAR(256), players INT, maxPlayers INT, tps INT, ram INT, maxRam INT, PRIMARY KEY (id));";
	
	private static String CREATE_DYNAMIC_TABLE = "CREATE TABLE IF NOT EXISTS DynamicServers (id INT NOT NULL AUTO_INCREMENT, serverName VARCHAR(256), address VARCHAR(256), privateAddress VARCHAR(256), US BOOLEAN NOT NULL DEFAULT 'true', PRIMARY KEY (id));";
	private static String RETRIEVE_SERVERGROUP_STATUSES = "SELECT ServerStatus.serverName, DynamicServers.US, serverGroup, motd, DynamicServers.address, ServerStatus.address, ServerStatus.port, players, maxPlayers, case when TIME_TO_SEC(TIMEDIFF(now(), ServerStatus.lastTimeWithPlayers)) > 300 then 1 else 0 end as empty, now(), updated FROM ServerStatus INNER JOIN DynamicServers ON ServerStatus.address = DynamicServers.privateAddress";
	
	private static String RETRIEVE_BUNGEE_STATUSES = "SELECT address, US, players, maxPlayers FROM BungeeServers WHERE TIME_TO_SEC(TIMEDIFF(now(), updated)) < 15";
	
	public static Connection serverStatusConnection;
	public static Connection bungeeConnection;
	
	public void initialize()
	{
		PreparedStatement preparedStatement = null;
		
		try
		{
			Class.forName("com.mysql.jdbc.Driver");
			
			if (serverStatusConnection == null || serverStatusConnection.isClosed())
				serverStatusConnection = DriverManager.getConnection(_serverStatusConnectionString, _userName, _password);
			
			// Create table
			preparedStatement = serverStatusConnection.prepareStatement(CREATE_TABLE);
			preparedStatement.execute();
		}
		catch (Exception exception)
		{
			exception.printStackTrace();
		}
		finally
		{
			if (preparedStatement != null)
			{
				try
				{
					preparedStatement.close();
				} 
				catch (SQLException e)
				{
					e.printStackTrace();
				}
			}
		}
		
		preparedStatement = null;
		
		try
		{
			Class.forName("com.mysql.jdbc.Driver");
			
			// Create table
			preparedStatement = serverStatusConnection.prepareStatement(CREATE_DYNAMIC_TABLE);
			preparedStatement.execute();
		}
		catch (Exception exception)
		{
			exception.printStackTrace();
		}
		finally
		{
			if (preparedStatement != null)
			{
				try
				{
					preparedStatement.close();
				} 
				catch (SQLException e)
				{
					e.printStackTrace();
				}
			}
		}
	}
	
	public List<BungeeStatusData> retrieveBungeeStatuses()
	{
		ResultSet resultSet = null;
		PreparedStatement preparedStatement = null;
		List<BungeeStatusData> bungeeData = new ArrayList<BungeeStatusData>();
		
		try
		{
			if (bungeeConnection == null || bungeeConnection.isClosed())
				bungeeConnection = DriverManager.getConnection(_bungeeConnectionString, _userName, _password);
			
			preparedStatement = bungeeConnection.prepareStatement(RETRIEVE_BUNGEE_STATUSES);
			resultSet = preparedStatement.executeQuery();
			
			while (resultSet.next())
			{
				BungeeStatusData data = new BungeeStatusData();
				data.Address = resultSet.getString(1);
				data.US = resultSet.getBoolean(2);
				data.Players = resultSet.getInt(3);
				data.MaxPlayers = resultSet.getInt(4);
				
				bungeeData.add(data);
			}
		}
		catch (Exception exception)
		{
			exception.printStackTrace();
		}
		finally
		{
			if (preparedStatement != null)
			{
				try
				{
					preparedStatement.close();
				} 
				catch (SQLException e)
				{
					e.printStackTrace();
				}
			}
			
			if (resultSet != null)
			{
				try
				{
					resultSet.close();
				} 
				catch (SQLException e)
				{
					e.printStackTrace();
				}
			}
		}
		
		return bungeeData;
	}
	
	public HashMap<Boolean, HashMap<String, GroupStatusData>> retrieveGroupStatusData()
	{
		ResultSet resultSet = null;
		PreparedStatement preparedStatement = null;
		HashMap<Boolean, HashMap<String, GroupStatusData>> groupData = new HashMap<Boolean, HashMap<String, GroupStatusData>>();
		SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		
		groupData.put(true, new HashMap<String, GroupStatusData>());
		groupData.put(false, new HashMap<String, GroupStatusData>());
		
		try
		{
			if (serverStatusConnection == null || serverStatusConnection.isClosed())
				serverStatusConnection = DriverManager.getConnection(_serverStatusConnectionString, _userName, _password);
			
			preparedStatement = serverStatusConnection.prepareStatement(RETRIEVE_SERVERGROUP_STATUSES);
			resultSet = preparedStatement.executeQuery();
			
			while (resultSet.next())
			{
				ServerStatusData serverStatusData = new ServerStatusData();
				
				serverStatusData.Name = resultSet.getString(1);
				serverStatusData.US = resultSet.getBoolean(2);
				String serverGroup = resultSet.getString(3);
				serverStatusData.Motd = resultSet.getString(4);
				serverStatusData.Address = resultSet.getString(5);
				serverStatusData.PrivateAddress = resultSet.getString(6);
				serverStatusData.Port = Integer.parseInt(resultSet.getString(7));
				serverStatusData.Players = resultSet.getInt(8);
				serverStatusData.MaxPlayers = resultSet.getInt(9);
				serverStatusData.Empty = resultSet.getBoolean(10);
				
				if (!groupData.get(serverStatusData.US).containsKey(serverGroup))
				{
					groupData.get(serverStatusData.US).put(serverGroup, new GroupStatusData());
				}
				
				long current = dateFormat.parse(resultSet.getString(11)).getTime();
				long updated = dateFormat.parse(resultSet.getString(12)).getTime();
				
				if (current - updated < 15000)
					groupData.get(serverStatusData.US).get(serverGroup).addServer(serverStatusData);
			}
		}
		catch (Exception exception)
		{
			exception.printStackTrace();
		}
		finally
		{
			if (preparedStatement != null)
			{
				try
				{
					preparedStatement.close();
				} 
				catch (SQLException e)
				{
					e.printStackTrace();
				}
			}
			
			if (resultSet != null)
			{
				try
				{
					resultSet.close();
				} 
				catch (SQLException e)
				{
					e.printStackTrace();
				}
			}
		}
		
		return groupData;
	}
}