package bank;

import org.omg.CORBA.*;
import org.omg.PortableServer.*;

import java.util.List;
import java.util.Iterator;

public class BankImpl extends bank.BankPOA
{
  public bank.Account openAccount (bank.AccountInformation accInfo) throws bank.UnknownException
  {
      try
      {
        DBUtils.createAccount(accInfo);

        POA accountPOA = this._poa().the_parent().find_POA("AccountPOA",true);

        String accNum = accInfo.accNum;
        Account theAccount = AccountHelper.narrow(
                  accountPOA.create_reference_with_id(accNum.getBytes(),"IDL:bank/Account:1.0"));
        return theAccount;
      }
      catch(Exception e)
      {
        throw new UnknownException(e.getMessage());
      }
  }

  public void closeAccount (String accNum) throws bank.UnknownException
  {
    try
    {
      DBUtils.removeAccount(accNum);
      POA accountPOA = this._poa().the_parent().find_POA("AccountPOA",true);
      accountPOA.deactivate_object(accNum.getBytes());
    }
    catch(org.omg.PortableServer.POAPackage.ObjectNotActive e)
    {
    }
    catch(Exception e)
    {
      throw new UnknownException(e.getMessage());
    }
  }

  public bank.Account[] findAccounts (bank.AccountInformation accInfo) throws bank.UnknownException
  {
    try
    {
      // find the Accounts and return references..
      List accountNumbers = DBUtils.findAccounts(accInfo);
      POA accountPOA = this._poa().the_parent().find_POA("AccountPOA",true);
      Account[] accounts = new Account[accountNumbers.size()];
      Iterator it = accountNumbers.iterator();
      int i=0;
      while(it.hasNext())
      {
        accounts[i] = AccountHelper.narrow(
                  accountPOA.create_reference_with_id(((String)it.next()).getBytes(),"IDL:bank/Account:1.0"));
        i++;
      }
      return accounts;
    }
    catch(Exception e)
    {
      throw new UnknownException(e.getMessage());
    }
  }
}