package org.litesoft.GWT.client.view;

import org.litesoft.GWT.client.*;
import org.litesoft.GWT.client.widgets.*;
import org.litesoft.GWT.forms.client.*;
import org.litesoft.bo.views.*;
import org.litesoft.core.typeutils.*;
import org.litesoft.core.util.*;
import org.litesoft.security.*;

import com.google.gwt.user.client.ui.*;

public class NewUserEmailDialog<T extends SecurityUserView<T>> extends AbstractNewUserDialog<T> implements NewUserPhoneConfirmationDialog.CallBack
{
    public interface CallBack<T extends SecurityUserView<T>> extends DialogCloseCallBack
    {
        public void succeeded( String pLogonEmail, T pUserView );
    }

    private CallBack mCallBack;

    public NewUserEmailDialog( String pLogonEmail, String pPhoneNumber, CallBack pCallBack, QBEinputPanelAccessorFactory<T> pUserFieldsPanelFactory )
    {
        super( title( "New User" ), pLogonEmail, pPhoneNumber, null, pUserFieldsPanelFactory );
        Objects.assertNotNull( "CallBack", mCallBack = pCallBack );

        add( new SizeableSpacer( 5 ).stretchable() );
        add( createLogonEmail() );
        add( new SizeableSpacer( 5 ).stretchable() );
    }

    @Override
    public void aboutToShow()
    {
        super.aboutToShow();
        mFE.initialize();
        mFE.setNamedComponentValueAsUser( SecurityUserViewNames.aLogonEmail, mLogonEmail );
    }

    private Widget createLogonEmail()
    {
        FormBinder<T> zFormBinder = new FormBinder<T>( mFE, mUserViewMetaData );

        return zFormBinder.add( SecurityUserViewNames.aLogonEmail );
    }

    @Override
    protected void submitRequested()
    {
        String zLogonEmail = Strings.noEmpty( (String) mFE.getNamedComponentValue( SecurityUserViewNames.aLogonEmail ) );

        if ( zLogonEmail != null )
        {
            mDataProvider.validateLogonEmailAvailable( zLogonEmail, new FetchRowDataProviderCallBack<SecurityUserView>()
            {
                @Override
                public void error( String pError )
                {
                    setDialogErrorMessage( pError );
                }

                @Override
                public void success( SecurityUserView pRow )
                {
                    if ( pRow == null ) // No row found, Go on to Add User
                    {
                        close();
                        mCallBack.succeeded( (String) mFE.getNamedComponentValue( SecurityUserViewNames.aLogonEmail ), null );
                        return;
                    }
                    if ( mPhoneNumber.equals( pRow.getPhoneNumber() ) )  // User found with same Logon & same entered PhoneNumber: Go on to Add User
                    {
                        close();
                        mCallBack.succeeded( (String) mFE.getNamedComponentValue( SecurityUserViewNames.aLogonEmail ), pRow );
                        return;
                    }
                    mUserView = (T) pRow;
                    new DialogViewDialog( new NewUserPhoneConfirmationDialog( mLogonEmail, mPhoneNumber, mUserView, NewUserEmailDialog.this, mUserFieldsPanelFactory ) ).show();
                }
            } );
        }
    }

    @Override
    public void succeeded()
    {
        close();
        mCallBack.succeeded( (String) mFE.getNamedComponentValue( SecurityUserViewNames.aLogonEmail ), mUserView );
    }

    @Override
    public void cancel()
    {
        super.cancel();
        mCallBack.dialogClosed();
    }

    protected static String cursoryEmailCheck( String pEmail, String pWhat )
    {
        try
        {
            new EmailAddress( pEmail );
            return null;
        }
        catch ( IllegalArgumentException e )
        {
            return DeCamelizer.resolve( pWhat ) + " is unacceptable: " + e.getMessage();
        }
    }
}