package sonc.client;

import sonc.shared.FieldVerifier;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DeckPanel;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class App implements EntryPoint {
	/**
	 * The message displayed to the user when the server cannot be reached or
	 * returns an error.
	 */
	private static final String SERVER_ERROR = "An error occurred while "
			+ "attempting to contact the server. Please check your network " + "connection and try again.";

	/**
	 * Create a remote service proxy to talk to the server-side Greeting service.
	 */
	private final GreetingServiceAsync greetingService = GWT.create(GreetingService.class);

	/**
	 * This is the entry point method.
	 */
	public void onModuleLoad() {
		final Button loginButton = new Button("Login!");
	    loginButton.setText("Login");

	    final Button signupButton = new Button("Sign Up!");
	    signupButton.setText("Sign Up");

		final TextBox userField = new TextBox();
		userField.setText("");

		final TextBox pwdField = new TextBox();
		pwdField.setText("");
		final Label errorLabel = new Label();
		final Label errorLabelRegister = new Label();

		//DeckPanel deck = new DeckPanel();

		RootPanel.get("userDiv").add(userField);
		RootPanel.get("passwordDiv").add(pwdField);
		RootPanel.get("buttonLogin").add(loginButton);
		RootPanel.get("buttonsignUp").add(signupButton);

		// Focus the cursor on the name field when the app loads
		userField.setFocus(true);
		userField.selectAll();


		// Create the popup dialog box
		final DialogBox dialogBox = new DialogBox();
		final DialogBox passBox = new DialogBox();
		final DialogBox usernameRegisterBox = new DialogBox();
		final DialogBox passRegisterBox = new DialogBox();
		dialogBox.setText("Remote Procedure Call");
		dialogBox.setAnimationEnabled(true);

		passBox.setText("Please enter at least four characters");
		final Button closeButton = new Button("Close");
		final Button passButton = new Button("Close");

		// We can set the id of a widget by accessing its Element
		closeButton.getElement().setId("closeButton");
		passButton.getElement().setId("passButton");

		final Label textToServerLabel = new Label();
		final HTML serverResponseLabel = new HTML();
		VerticalPanel dialogVPanel = new VerticalPanel();
		VerticalPanel passVPanel = new VerticalPanel();

		dialogVPanel.addStyleName("dialogVPanel");
		dialogVPanel.add(new HTML("<b>Sending name to the server:</b>"));
		dialogVPanel.add(textToServerLabel);
		dialogVPanel.add(new HTML("<br><b>Server replies:</b>"));
		dialogVPanel.add(serverResponseLabel);
		dialogVPanel.setHorizontalAlignment(VerticalPanel.ALIGN_RIGHT);
		dialogVPanel.add(closeButton);
		dialogBox.setWidget(dialogVPanel);

		passVPanel.addStyleName("passVPanel");
		passVPanel.add(new HTML("<b>Pass>4:</b>"));
		passVPanel.add(textToServerLabel);
		passVPanel.add(passButton);
		passBox.setWidget(passVPanel);


		// Add a handler to close the DialogBox
		closeButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				dialogBox.hide();
				loginButton.setEnabled(true);
				loginButton.setFocus(true);
			}
		});

		signupButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				dialogBox.hide();

			}
		});

		passButton.addClickHandler(new ClickHandler() {
			public void onClick(ClickEvent event) {
				passBox.hide();
				//loginButton.setEnabled(true);
				//loginButton.setFocus(true);
			}
		});



		// Create a handler for the loginButton and userField
		class MyHandler implements ClickHandler, KeyUpHandler {
			/**
			 * Fired when the user clicks on the sendButton.
			 */
			public void onClick(ClickEvent event) {
				sendNameToServer();
			}

			/**
			 * Fired when the user types in the userField.
			 */
			public void onKeyUp(KeyUpEvent event) {
				if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
					sendNameToServer();
				}
			}

			/**
			 * Send the name from the userField to the server and wait for a response.
			 */
			public void sendNameToServer() {
				// First, we validate the input.
				errorLabel.setText("");
				String user = userField.getText();
				String pass = pwdField.getText();
				if (!FieldVerifier.isValidName(user)) {
					errorLabel.setText("Please enter at least four characters");
					passBox.setAnimationEnabled(true);
					passBox.center();

					return;
				}
				if (!FieldVerifier.isValidName(pass)) {
					errorLabel.setText("Please enter at least four characters");
					passBox.setAnimationEnabled(true);
					passBox.center();

					return;
				}
				// Then, we send the input to the server.
				loginButton.setEnabled(false);
				textToServerLabel.setText(user);
				textToServerLabel.setText(pass);
				System.out.println("user " + user + " pass  " + pass);

				serverResponseLabel.setText("");
				greetingService.greetServer(user,pass, new AsyncCallback<String>() {
					public void onFailure(Throwable caught) {
						// Show the RPC error message to the user
						dialogBox.setText("Remote Procedure Call - Failure");
						serverResponseLabel.addStyleName("serverResponseLabelError");
						serverResponseLabel.setHTML(SERVER_ERROR);
						dialogBox.center();
						closeButton.setFocus(true);
					}

					public void onSuccess(String result) {
						dialogBox.setText("Remote Procedure Call");
						serverResponseLabel.removeStyleName("serverResponseLabelError");
						serverResponseLabel.setHTML(result);
						dialogBox.center();
						closeButton.setFocus(true);
					}
				});

				greetingService.authenticate(user, pass, new AsyncCallback<Boolean>() {

					@Override
					public void onFailure(Throwable caught) {
						// TODO Auto-generated method stub

					}

					@Override
					public void onSuccess(Boolean result) {
						// TODO Auto-generated method stub
						if(result){
							System.out.println("TOP");

						}
						else
						{
							System.out.println("TOP+wfdsfsfsfsdfssfdfsd");

						}
					}


				});
			}
		}
		class signupHandler implements ClickHandler, KeyUpHandler {
			/**
			 * Fired when the user clicks on the sendButton.
			 */
			public void onClick(ClickEvent event) {
				register();
			}

			/**
			 * Fired when the user types in the userField.
			 */
			public void onKeyUp(KeyUpEvent event) {
				if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
					register();
				}
			}

			/**
			 * Send the name from the userField to the server and wait for a response.
			 */
			public void register() {
				// First, we validate the input.
				errorLabelRegister.setText("");
				String user = userField.getText();
				String pass = pwdField.getText();
				if (!FieldVerifier.isValidName(user)) {
					errorLabelRegister.setText("Please enter at least four characters");
					passBox.setAnimationEnabled(true);
					passBox.center();

					return;
				}
				if (!FieldVerifier.isValidName(pass)) {
					errorLabelRegister.setText("Please enter at least four characters");
					passBox.setAnimationEnabled(true);
					passBox.center();

					return;
				}
				// Then, we send the input to the server.
				signupButton.setEnabled(false);
				greetingService.register(user, pass,  new AsyncCallback<Boolean>(){

					@Override
					public void onFailure(Throwable caught){
						errorLabelRegister.setText(SERVER_ERROR);
						return;
					}

					@Override
					public void onSuccess(Boolean result){
						if(result){
							errorLabelRegister.setText(usernameRegisterBox.getText() + ", registado com sucesso.");

						}
						else{

						}


					}
				});

			}
		}

		// Add a handler to send the name to the server
		MyHandler handler = new MyHandler();
		loginButton.addClickHandler(handler);
		userField.addKeyUpHandler(handler);
		pwdField.addKeyUpHandler(handler);

	}
}