package sandwichshopsystem;

import java.util.function.UnaryOperator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.control.TextFormatter;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.StackPane;
import javafx.stage.Modality;
import javafx.stage.Stage;

/**
 *
 * @author 115465872
 */
public class RegisterNewLoyaltyCustomer  {

     public static void display()
  {

        Stage primaryStage = new Stage();
        primaryStage.setTitle("Payment");

        BorderPane pane = new BorderPane();
        pane.setStyle("-fx-padding: 10; -fx-background-color: #28ABE3" );

        //here we are creating a new image which will be our create new logo
        Image image = new Image("Image/NewCust.png");
        StackPane LogoBackGround = new StackPane(); //create a new stack pane to hold this image and allow us
        //to center it within the border top pane
        LogoBackGround.setPrefSize(75,75);//setting the size we want

        ImageView Logo = new ImageView(image); //creating a new image view that will be used
        Logo.setFitHeight(75); //fitting the image to the image view
        Logo.setFitWidth(75);

        LogoBackGround.setPadding(new Insets(30,0,0,0));
        LogoBackGround.getChildren().add(Logo); //adding the logo to the stack pane

        pane.setTop(LogoBackGround); //adding the stack pane to the top region of the borderpane
        pane.setCenter(CenterLayout());
        pane.setAlignment(CenterLayout(),Pos.CENTER);






        Scene scene = new Scene(pane);
        primaryStage.setResizable(false);
        primaryStage.setScene(scene);
        primaryStage.showAndWait();
  }

     private static StackPane CenterLayout(){
         StackPane CenterPane = new StackPane();
         CenterPane.setStyle("-fx-Background-color: White; -fx-border-color:Black;");
         TextField tfName = new TextField();

           //declaring a textformatter and setting the textformatter to the textfield. this intercepts the users input before it is written
           TextFormatter<String> textFormatter = getTextFormatter();
           tfName.setTextFormatter(textFormatter);


        TextField tfEmail =  new TextField();

           //declaring a textformatter and setting the textformatter to the textfield. this intercepts the users input before it is written
        TextFormatter<String> textFormatter1 = getTextFormatter1();
           tfEmail.setTextFormatter(textFormatter1);


        Button Registerbutton = new Button("Register Customer");
        Button CancelButton = new Button("Cancel");

 GridPane p1 = new GridPane();
      p1.setAlignment(Pos.CENTER);
      p1.setHgap(5);
      p1.setVgap(5);
      p1.add(new Label("Name:"),0, 0);
      p1.add(new Label("Email:"), 0, 1);
      p1.add(tfName, 1, 0);
      p1.add(tfEmail, 1, 1);
      p1.add(Registerbutton, 0, 2);
      p1.add(CancelButton, 1, 2);






       Registerbutton.setOnAction(e ->
       {


         if(ValidateName(tfName.getText())&& ValidateEmail(tfEmail.getText())){
           ((Node)e.getSource()).getScene().getWindow().hide();
           }


           }




       );
       CancelButton.setOnAction(e ->
       {

           tfName.clear();
           tfEmail.clear();

           ((Node)e.getSource()).getScene().getWindow().hide();

       }

       );

      CenterPane.getChildren().add(p1);

         return CenterPane;
     }


      //creating validation for Name so that it must be atleast 3 characters and at must 50
    //if the matched text is valid the method is true
    //if text does not match the format then the method is returned false and an alert is given to user
        private static boolean ValidateName(String name){
        Pattern p2 = Pattern.compile("[a-zA-Z ]{3,30}");
           Matcher m1 = p2.matcher(name);
            if (m1.find() && m1.group().equals(name)){
             return true;
           }
           else
           {
                 Alert alert = new Alert(Alert.AlertType.WARNING);
               alert.setTitle("Validate Fields");
               alert.setHeaderText(null);
               alert.setContentText("Please enter a valid Name. Atleast 3 characters and no more than 30.");
               alert.showAndWait();
             return false;
           }



    }


      //creating validation for email so that the email must be in the format email@email.com etc or email@email.co.uk etc
    //if the matched text is valid the method is true
    //if text does not match the format then the method is returned false and an alert is given to user

         private static boolean ValidateEmail(String Number){
        Pattern p2 = Pattern.compile("[a-zA-Z0-9][a-zA-Z0-9._]*@[a-zA-Z0-9]+([.][a-zA-Z]+)+");
           Matcher m1 = p2.matcher(Number);
            if (m1.find() && m1.group().equals(Number)){
             return true;
           }
           else
           {
                 Alert alert = new Alert(Alert.AlertType.WARNING);
               alert.setTitle("Validate Fields");
               alert.setHeaderText(null);
               alert.setContentText("Please enter a valid email address.");
               alert.showAndWait();
             return false;
           }



    }

     // creating a textFormatter method getTextFormatter() - and setting that textformatter
    //to add a filer

           private static TextFormatter<String> getTextFormatter() {
        UnaryOperator<TextFormatter.Change> filter = getFilter();
        TextFormatter<String> textFormatter = new TextFormatter<>(filter);
        return textFormatter;
    }

     //Creates a new Formatter with the provided filter. numbers only.
    private static UnaryOperator<TextFormatter.Change> getFilter() {
        return change -> {
            String text = change.getText();



            if (!change.isContentChange()) {

                return change;
            }

            if (text.matches("[a-zA-Z ]*") || text.isEmpty()) {
                return change;
            }



            return null;
         };
    }


      // creating a textFormatter method getTextFormatter() - and setting that textformatter
    //to add a filer

           private static TextFormatter<String> getTextFormatter1() {
        UnaryOperator<TextFormatter.Change> filter = getFilter1();
        TextFormatter<String> textFormatter = new TextFormatter<>(filter);
        return textFormatter;
    }


//Creates a new Formatter with the provided filter. numbers only.
    private static UnaryOperator<TextFormatter.Change> getFilter1() {
        return change -> {
            String text = change.getText();



            if (!change.isContentChange()) {

                return change;
            }

            if (text.matches("[a-zA-Z0-9._@]*") || text.isEmpty()) {
                return change;
            }



            return null;
         };
    }


}