import java.util.Locale;

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ChoiceBox;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.PasswordField;
import javafx.scene.control.Separator;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;

import com.jyloo.syntheticafx.RootPane;
import com.jyloo.syntheticafx.SyntheticaFXModena;
import com.jyloo.syntheticafx.validation.Decorator;
import com.jyloo.syntheticafx.validation.Validation;
import com.jyloo.syntheticafx.validation.Validator;
import com.jyloo.syntheticafx.validation.Validity;

public class UserAccountDemo extends Application
{
  public static void main(String[] args)
  {
    Application.launch(args);
  }

  @Override
  public void start(Stage stage)
  {
    new SyntheticaFXModena().init();
           
    Parent content = createContent();
    Scene scene = new Scene(new RootPane(stage, content));

    stage.setTitle("Create New User Account Demo");
    stage.setScene(scene);    
    stage.show();    
  }

  public Parent createContent()
  {
    BorderPane content = new BorderPane();
    content.setCenter(createUserAccountPane());    
    return content;
  }  
    
  private Pane createUserAccountPane()
  {
    GridPane grid = new GridPane();
    grid.setVgap(10);
    grid.setHgap(10);
    grid.setPadding(new Insets(5));
    
    int row = 0;    
    grid.add(new Label("Your Login Name: "), 0, row);    
    TextField loginNameField = createTextField();
    Validity<?> v1 = Validation.installValidator(loginNameField, Validator.createEmptyValidator(loginNameField), Validation.Type.EAGER, Decorator.createWarningDecorator("Login name is mandatory!"));
    //custom validator - minimum name length is 6
    //Validity<?> v1 = Validation.installValidator(loginNameField, n -> {return n.getText().length() > 5;}, Validation.Type.LAZY, Decorator.createWarningDecorator("Minimum length is 6!"));
    grid.add(loginNameField, 1, row);

    row++;    
    grid.add(new Label("Gender: "), 0, row);    
    ChoiceBox<?> choiceBox = createChoiceBox();
    grid.add(choiceBox, 1, row);

    row++;    
    grid.add(new Label("Email: "), 0, row);    
    TextField eMailField = createTextField();
    Validity<?> v2 = Validation.installValidator(eMailField, n -> {return !n.getText().isEmpty() && n.getText().contains("@");}, Validation.Type.LAZY, Decorator.createWarningDecorator("Invalid Mail Address!"));
    grid.add(eMailField, 1, row);

    row++;    
    grid.add(new Label("Password: "), 0, row);    
    PasswordField passwordField = createPasswordField();
    Validity<?> v3 = Validation.installValidator(passwordField, n -> {return !n.getText().isEmpty() && n.getText().length() > 5;}, Validation.Type.LAZY, Decorator.createWarningDecorator("Use a minimum password length of 6."));
    grid.add(passwordField, 1, row);

    row++;    
    grid.add(new Label("Confirm Password: "), 0, row);    
    PasswordField passwordFieldConfirmed = createPasswordField();
    Validity<?> v4 = Validation.installValidator(passwordFieldConfirmed, n -> {return n.getText().equals(passwordField.getText());}, Validation.Type.LAZY, Decorator.createWarningDecorator("Passwords do not match!"));
    grid.add(passwordFieldConfirmed, 1, row);

    row++;    
    grid.add(new Label("Country: "), 0, row);    
    ComboBox<?> combo = createComboBox();
    grid.add(combo, 1, row);
    
    row++;    
    grid.add(new Label("Terms of use accepted: "), 0, row);    
    CheckBox checkBox = createCheckBox();
    Validity<?> v5 = Validation.installValidator(checkBox, n -> {return n.isSelected();}, Validation.Type.EAGER, Decorator.createWarningDecorator("You have to accept terms of use!", Pos.BASELINE_RIGHT, 10, 0));
    grid.add(checkBox, 1, row);

    row++;    
    grid.add(new Separator(), 0, row, 2, 1);

    row++;    
    grid.add(new Label(""), 0, row);    
    final Button button = new Button("Create Account");
    //button.disableProperty().bind(v1.and(v2).and(v3).and(v4).and(v5).not());
    button.setOnAction(e -> {
      v1.revalidate();
      v2.revalidate();
      v3.revalidate();
      v4.revalidate();
      v5.revalidate();
      boolean valid = v1.and(v2).and(v3).and(v4).and(v5).get();
      System.out.println("User form is " + (valid ? "valid!" : "invalid!"));
    });
    grid.add(button, 1, row, 1, 1);

    return grid;
  }
  
  private TextField createTextField()
  {
    TextField tf = new TextField();
    tf.setPrefColumnCount(20);
    return tf;
  }
  
  private PasswordField createPasswordField()
  {
    return new PasswordField();    
  }
  
  private CheckBox createCheckBox()
  {
    CheckBox checkBox = new CheckBox();
    return checkBox;
  }

  private ChoiceBox<?> createChoiceBox()
  {
    ChoiceBox<String> choiceBox = new ChoiceBox<>();
    choiceBox.setItems(FXCollections.observableArrayList("Male", "Female"));
    return choiceBox;
  }
  
  private ComboBox<?> createComboBox()
  {
    ComboBox<String> combo = new ComboBox<>();
    combo.setItems(FXCollections.observableArrayList(Locale.getISOCountries()));
    return combo;    
  }  
}