package program1;

/**
 *
 * @author Matthew Flora
 */
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import views.TheFrame;

import program1.UserInfo;
import java.util.ArrayList;

public class Program1 {

    private final TheFrame frame = new TheFrame();

    ArrayList<UserInfo> userDB = new ArrayList<UserInfo>();

    public Program1() {

        populateDB(userDB);

        //sets the name of the frame to Program1
        frame.setTitle(getClass().getSimpleName());

        //sets location on the screen
        frame.setLocationRelativeTo(null);

        //Change Passwor Button, checks if the username, password, and new pasword are valid
        frame.getChangePasswordButton().addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {

                //Enter Login Name
                JTextField loginField = frame.getLoginField();

                //Enter Current Password
                JTextField currentPassField = frame.getCurrentPasswordField();

                //Enter New Password
                JTextField newPassField = frame.getNewPasswordField();

                //Message Text Area - Shows if infomration is Valid
                JTextArea showMessage = frame.showMessage();

                String newPass = newPassField.getText();

                String currentPass = currentPassField.getText();

                String userName = loginField.getText();

                boolean isValid = isLoginValid(userName);

                if (!isValid) {
                    showMessage.append("Validation: Login Format Incorrect \n");
                } else {
//                    showMessage.append("Validation: Login Format Correct \n");
                }

//                boolean isCPassValid = isCPassValid(currentPass);
//                if (!isCPassValid) {
//                    //showMessage.append("Validation: Current Password Format Incorrect \n");
//                    //return;
//                }
                boolean isNPValid = isNPassValid(newPass, currentPass, showMessage);

                if (!isNPValid) {
                    //showMessage.append("Validation: New Password Format Incorrect \n");
                    //return;
                }

                if (!isNPValid )//|| !isCPassValid)
                {
                    return;
                }

                int userIndex = checkUser(userDB, userName);
                if (userIndex == -1)
                {
                    //showMessage.append("Database: User Does Not Exist");
                }
                else
                {
                    if (userDB.get(userIndex).getPassword().equals(currentPass))
                    {
                        UserInfo user = userDB.get(userIndex);
                        user.setPassword(newPass);
                        userDB.set(userIndex, user);
                        showMessage.append("Validation: OK \n");
                        printDB(userDB);
                        showMessage.append("New Password: OK \n");
                    }
                    else
                    {
                        showMessage.append("Validation: Incorrect Current Password \n");
                    }
                    //showMessage.append("Database: User Exists");

                }


            }
        });
    }

    private void printDB(ArrayList<UserInfo> db)
    {
        for (UserInfo user : db)
        {
            System.out.println(user.toString());
        }
    }

    private void populateDB(ArrayList<UserInfo> db)
    {
        db.add(new UserInfo("aa111111@wcupa.edu", "a2FooBar"));
        db.add(new UserInfo("bb222222@wcupa.edu", "b.FooBar"));
        db.add(new UserInfo("cc333333@wcupa.edu", "c.123456"));
    }

    private int checkUser(ArrayList<UserInfo> db, String username)
    {
        if (db.isEmpty()) return -1;

        for (int i = 0; i < db.size(); i++)
        {
            if (db.get(i).getUsername().equals(username))
            {
                return i;
            }
            else
            {
                return -1;
            }
        }

        return -1; //ok go
    }

    //Checks the current username if it is 2 characters , 6 digits, and has @wcupa.edu in that order
    private boolean isLoginValid(String userName) {
        return userName.matches("[a-zA-Z]{2}\\d{6}\\@wcupa.edu");
    }

//    private boolean isCPassValid(String currentPass) {
//
//        return currentPass.matches("/^(?=.*[0-9])(?=.*[!@#$%^&*])[a-zA-Z0-9!@#$%^&*]{6,16}$/");
//    }

    private boolean isNPassValid(String newPass, String currentPass, JTextArea showMessage) {

        if (newPass.length() < 8) {
            showMessage.append("New password: Too short \n");
            return false;

        } else if (newPass.equals(currentPass)) {
            showMessage.append("New password: cannot be current password \n");
            return false;

        } else {

            return newPass.matches("^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=!])(?=\\S+$).{8,}$");
        }

    }

    //frame.getLoginField().setText("ab112233@wcupa.edu");
    // you can adjust the size with something like this:
    // frame.setSize(600, 500);
    // event handlers
    //System.out.println("am".matches("[a-z]") );
    //private boolean isValid2(String custNumber) {
    //return custNumber.matches("[a-zA-Z]{3}\\d{4}");}
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Program1 app = new Program1();

        app.frame.setVisible(true);
    }
}