package com.ora.rmibook.chapter22.applications;


import com.ora.rmibook.chapter22.*;
import com.ora.rmibook.chapter22.valueobjects.*;
import java.rmi.*;
import java.rmi.server.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import com.ora.rmibook.gui.*;


public class BankClientFrame extends ExitingFrame {
    private JTextField _accountNameField;
    private JTextField _balanceTextField;
    private JTextField _withdrawalTextField;
    private JTextField _depositTextField;
    private Account _account;

    protected void buildGUI() {
        JPanel contentPane = new JPanel(new BorderLayout());

        contentPane.add(buildActionPanel(), BorderLayout.CENTER);
        contentPane.add(buildBalancePanel(), BorderLayout.SOUTH);
        setContentPane(contentPane);
        setSize(250, 100);
    }

    private void resetBalanceField() {
        try {
            Money balance = _account.getBalance();

            _balanceTextField.setText("Balance: " + balance.toString());
        } catch (Exception e) {
            System.out.println("Error occurred while getting account balance\n" + e);
        }
    }

    private JPanel buildActionPanel() {
        JPanel actionPanel = new JPanel(new GridLayout(3, 3));

        actionPanel.add(new JLabel("Account Name:"));
        _accountNameField = new JTextField();
        actionPanel.add(_accountNameField);
        JButton getBalanceButton = new JButton("Get Balance");

        getBalanceButton.addActionListener(new GetBalanceAction());
        actionPanel.add(getBalanceButton);
        actionPanel.add(new JLabel("Withdraw"));
        _withdrawalTextField = new JTextField();
        actionPanel.add(_withdrawalTextField);
        JButton withdrawalButton = new JButton("Do it");

        withdrawalButton.addActionListener(new WithdrawAction());
        actionPanel.add(withdrawalButton);
        actionPanel.add(new JLabel("Deposit"));
        _depositTextField = new JTextField();
        actionPanel.add(_depositTextField);
        JButton depositButton = new JButton("Do it");

        depositButton.addActionListener(new DepositAction());
        actionPanel.add(depositButton);
        return actionPanel;
    }

    private JPanel buildBalancePanel() {
        JPanel balancePanel = new JPanel(new GridLayout(1, 2));

        balancePanel.add(new JLabel("Current Balance:"));
        _balanceTextField = new JTextField();
        _balanceTextField.setEnabled(false);
        balancePanel.add(_balanceTextField);
        return balancePanel;
    }

    private void getAccount() {
        try {
            _account = (Account) Naming.lookup(_accountNameField.getText());
        } catch (Exception e) {
            System.out.println("Couldn't find account. Error was \n " + e);
            e.printStackTrace();
        }
        return;
    }

    private void releaseAccount() {
        _account = null;
    }

    private Money readTextField(JTextField moneyField) {
        try {
            Float floatValue = new Float(moneyField.getText());
            float actualValue = floatValue.floatValue();
            int cents = (int) (actualValue * 100);

            return new PositiveMoney(cents);
        } catch (Exception e) {
            System.out.println("Field doesn't contain a valid value");
        }
        return null;
    }

    private class GetBalanceAction implements ActionListener {
        public void actionPerformed(ActionEvent event) {
            try {
                getAccount();
                resetBalanceField();
                releaseAccount();
            } catch (Exception exception) {
                System.out.println("Couldn't talk to account. Error was \n " + exception);
                exception.printStackTrace();
            }
        }
    }


    private class WithdrawAction implements ActionListener {
        public void actionPerformed(ActionEvent event) {
            try {
                getAccount();
                Money withdrawalAmount = readTextField(_withdrawalTextField);

                _account.makeWithdrawal(withdrawalAmount);
                _withdrawalTextField.setText("");
                resetBalanceField();
                releaseAccount();
            } catch (Exception exception) {
                System.out.println("Couldn't talk to account. Error was \n " + exception);
                exception.printStackTrace();
            }
        }
    }


    private class DepositAction implements ActionListener {
        public void actionPerformed(ActionEvent event) {
            try {
                getAccount();
                Money depositAmount = readTextField(_depositTextField);

                _account.makeDeposit(depositAmount);
                _depositTextField.setText("");
                resetBalanceField();
                releaseAccount();
            } catch (Exception exception) {
                System.out.println("Couldn't talk to account. Error was \n " + exception);
                exception.printStackTrace();
            }
        }
    }
}