package Lab4;

import atm.AutomaticCashTerminal;
import bankService.BankService;
import bankService.bankServiceExceptions.AuthException;
import bankService.bankServiceExceptions.BankServiceException;

import javax.swing.*;
import java.awt.*;

public class ATM {
    public static void main(String[] args) {
        BankService.registerNewAccount("user", "pass");
        var atm = new AutomaticCashTerminal("0001");

        EventQueue.invokeLater(() -> {
            var frame = new JFrame("ATM");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setSize(400, 300);

            var atmPanel = new JPanel();
            var loginPanel = new JPanel();
            var workSpacePanel = new JPanel();
            var statusLabel = new JLabel();
            workSpacePanel.setEnabled(false);
            workSpacePanel.setVisible(false);
            statusLabel.setVisible(false);
            atmPanel.setLayout(new BorderLayout());
            atmPanel.add(statusLabel, BorderLayout.SOUTH);

            // loginPanel
            var usernameInput = new JTextField("username", 10);
            var passwordInput = new JPasswordField("password", 10);
            var submitButton = new JButton("submit");
            submitButton.addActionListener(e -> {
                String username = usernameInput.getText();
                String password = new String(passwordInput.getPassword());
                if (atm.loginSuccessful(username, password)) {
                    workSpacePanel.setEnabled(true);
                    workSpacePanel.setVisible(true);
                    showSuccess(statusLabel, "Hello, " + username);
                } else {
                    showError(statusLabel, "Wrong username or password");
                }
            });
            loginPanel.add(usernameInput);
            loginPanel.add(passwordInput);
            loginPanel.add(submitButton);
            atmPanel.add(loginPanel, BorderLayout.NORTH);

            // workspacePanel
            var sumInput = new JTextField("0", 10);
            var putMoneyButton = new JButton("put money");
            var getMoneyButton = new JButton("get money");
            putMoneyButton.addActionListener(e -> {
                double sum = Double.parseDouble(sumInput.getText());
                try {
                    atm.putMoney(sum);
                    var balance = atm.getBalance();
                    showSuccess(statusLabel, "Successful! Your balance now: " + balance);
                } catch (AuthException ex) {
                    showError(statusLabel, ex.getMessage());
                }
            });
            getMoneyButton.addActionListener(e -> {
                double sum = Double.parseDouble(sumInput.getText());
                try {
                    atm.getMoney(sum);
                    var balance = atm.getBalance();
                    showSuccess(statusLabel, "Successful! Your balance now: " + balance);
                } catch (BankServiceException ex) {
                    showError(statusLabel, ex.getMessage());
                }
            });

            workSpacePanel.add(sumInput);
            workSpacePanel.add(putMoneyButton);
            workSpacePanel.add(getMoneyButton);
            atmPanel.add(workSpacePanel, BorderLayout.CENTER);

            frame.add(atmPanel, BorderLayout.CENTER);
            frame.setVisible(true);
        });
    }

    private static void showError(JLabel label, String text) {
        label.setText(text);
        label.setForeground(Color.RED);
        label.setVisible(true);
    }

    private static void showSuccess(JLabel label, String text) {
        label.setText(text);
        label.setForeground(Color.BLACK);
        label.setVisible(true);
    }
}