package gui;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class Login extends Application {
    double d = 0.0;

    @Override
    public void start(Stage primaryStage) throws Exception {

        GridPane grid = new GridPane();
        grid.setAlignment(Pos.CENTER);
        grid.setHgap(10);
        grid.setVgap(10);
        grid.setPadding(new Insets(20, 20, 20, 20));
        grid.setGridLinesVisible(false);

        Scene scene = new Scene(grid, 450, 275);
        primaryStage.setTitle("窗口标题");
        primaryStage.setScene(scene);
        scene.getStylesheets().add(Login.class.getResource("login.css").toExternalForm());

        // 控件 ******************************
        Text sceneTitle = new Text("Welcome");
        sceneTitle.setId("sceneTitle");
        sceneTitle.setFont(Font.font("Consolas", FontPosture.ITALIC, 22));
        grid.add(sceneTitle, 0, 0, 2, 1);

        Label userName = new Label("Username: ");
        grid.add(userName, 0, 1);
        TextField userTextField = new TextField();
        userTextField.setText("root");
        grid.add(userTextField, 1, 1);

        Label pw = new Label("Password:");
        grid.add(pw, 0, 2);
        PasswordField pwBox = new PasswordField();
        grid.add(pwBox, 1, 2);

        Text msg = new Text();
        grid.add(msg, 1, 4);

        Button btn = new Button("Login");
        HBox hbBtn = new HBox(10);
        hbBtn.setAlignment(Pos.BOTTOM_RIGHT);
        hbBtn.getChildren().add(btn);
        btn.setOnMouseClicked(event -> {
            if (userTextField.getText().equalsIgnoreCase("root")) {
                msg.setText("Login success.");
                msg.setFill(Color.GREEN);
            } else {
                msg.setText("Login failed.");
                msg.setFill(Color.RED);
            }
        });
        grid.add(hbBtn, 1, 4);

        ProgressBar pb = new ProgressBar(0);
        ProgressIndicator pi = new ProgressIndicator(0);
        grid.add(pb, 1, 4);
        grid.add(pi, 0, 4);

/*        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                if (d > 1) timer.cancel();
                else {
                    d = d + 0.10;
                    pb.setProgress(d);
                }
            }
        }, 0, 1000);*/

        GridPane window1 = new GridPane();
        window1.setVgap(10);
        window1.setHgap(10);
        Text hello = new Text("Hello");
        hello.setFont(Font.font("Consolas", FontPosture.ITALIC, 20));
        window1.add(hello, 0, 1);
        Scene window = new Scene(window1, 450, 275);
        window.getStylesheets().add(Login.class.getResource("login.css").toExternalForm());


        btn.setOnAction(event -> {
            primaryStage.setTitle("Window");
            primaryStage.setScene(window);
        });

        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}