package model;

import java.io.*;

import java.util.*;

public class EmployeeModel {

private String filename;

private Map<String, String> employees = new HashMap<>();

// Constructor

public EmployeeModel(String filename) {

this.filename = filename;

}

// Getter for filename

public String getFilename() {

return filename;

}

// Setter for filename

public void setFilename(String filename) {

this.filename = filename;

}

// Getter for employees

public Map<String, String> getEmployees() {

return employees;

}

// Load employee data from file

public void loadEmployeeData() {

try {

BufferedReader reader = new BufferedReader(new FileReader(filename));

String line;

while ((line = reader.readLine()) != null) {

String[] parts = line.split(",");

if (parts.length == 2) {

String username = parts[0].trim(); // remove extra spaces

String pass = parts[1].trim(); // remove extra spaces

employees.put(username, pass);

}

}

reader.close();

} catch (IOException e) {

System.out.println("Error: " + e.getMessage());

}

}

// Save employee data to file

public void saveEmployeeData() {

try {

BufferedWriter writer = new BufferedWriter(new FileWriter(filename));

for (Map.Entry<String, String> entry : employees.entrySet()) {

writer.write(entry.getKey() + "," + entry.getValue());

writer.newLine();

}

writer.close();

} catch (IOException e) {

e.printStackTrace();

}

}

// Change employee password

public boolean changePassword(String username, String currentPassword, String newPassword) {

if (employees.containsKey(username) && employees.get(username).equals(currentPassword)) {

employees.put(username, newPassword);

saveEmployeeData();

return true;

}

return false;

}

// Validate employee login

public boolean validateEmployee(String username, String password) {

return employees.containsKey(username) && employees.get(username).equals(password);

}

}