package org.eclipse.blockchain.ui.console;

import org.eclipse.blockchain.core.log.EthereumLogService;
import org.eclipse.blockchain.core.log.EthereumLogger;
import org.eclipse.ui.console.ConsolePlugin;
import org.eclipse.ui.console.IConsole;
import org.eclipse.ui.console.IConsoleFactory;
import org.eclipse.ui.console.IConsoleManager;
import org.eclipse.ui.console.MessageConsole;


/**
 * @author PKI8COB
 */
public class EtherConsoleFactory implements IConsoleFactory {

  /**
   * The only instance of this class
   */
  private static EtherConsoleFactory instance;
  public final IConsoleManager consoleManager = ConsolePlugin.getDefault().getConsoleManager();
  private MessageConsole fConsole = null;

  /**
   * @return the only instance of this class.
   */
  public static synchronized EtherConsoleFactory getInstance() {
    if (null == instance) {
      instance = new EtherConsoleFactory();
    }
    return instance;
  }


  @Override
  public void openConsole() {
    MessageConsole console = getConsole();

    boolean exists = false;
    for (IConsole existingConsole : this.consoleManager.getConsoles()) {
      if (console == existingConsole) {
        exists = true;
      }
    }
    if (!exists) {
      this.consoleManager.addConsoles(new IConsole[] { console });
    }
    EthereumLogService.INSTANCE.addIEthereumLogger(new EthereumLogger(getConsole()));
  }

  public MessageConsole getConsole() {
    if (this.fConsole == null) {
      this.fConsole = new MessageConsole("Eth Console", "ethConsole", null, true);
    }
    return this.fConsole;
  }

}