package com.unknowncall.wipeout;

import java.io.PrintStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class DatabaseConnection
{
  private Connection connection;
  private String host;
  private int port;
  private String databaseName;
  private String username;
  private String password;

  public DatabaseConnection(String host, int port, String databaseName, String username, String password)
  {
    this.host = host;
    this.port = port;
    this.databaseName = databaseName;
    this.username = username;
    this.password = password;
    try
    {
      openConnection();
    }
    catch (ClassNotFoundException|SQLException e)
    {
      e.printStackTrace();
    }
  }

  public void openConnection()
    throws SQLException, ClassNotFoundException
  {
    if ((this.connection != null) && (!this.connection.isClosed())) {
      return;
    }
    synchronized (this)
    {
      if ((this.connection != null) && (!this.connection.isClosed())) {
        return;
      }
      Class.forName("com.mysql.jdbc.Driver");
      this.connection = DriverManager.getConnection("jdbc:mysql://" + this.host + ":" + this.port + "/" + this.databaseName, this.username, this.password);
      System.out.println("Connected to database.");
    }
  }

  public Connection getConnection()
  {
    return this.connection;
  }
}