package model;

import java.io.*;

import java.util.*;

public class Customer {

private String cus_id;

private String CNIC;

private String name;

private String phone_no;

private String address;

private char cus_type;

private String meter_type;

private String connec_date;

private int reg_hour_units;

private int peak_hour_units;

private static String filename;

// Constructor with file name

public Customer(String filename1) {

filename = filename1;

}

// Default constructor

public Customer() {}

// Full constructor

public Customer(String cus_id, String CNIC, String name, String address, String phone_no, char cus_type, String meter_type, String connec_date, int reg_hour_units, int peak_hour_units) {

this.cus_id = cus_id;

this.CNIC = CNIC;

this.name = name;

this.address = address;

this.phone_no = phone_no;

this.cus_type = cus_type;

this.meter_type = meter_type;

this.connec_date = connec_date;

this.reg_hour_units = reg_hour_units;

this.peak_hour_units = peak_hour_units;

}

// Getters and Setters

public String getCus_id() { return cus_id; }

public void setCus_id(String cus_id) { this.cus_id = cus_id; }

public String getCNIC() { return CNIC; }

public void setCNIC(String CNIC) { this.CNIC = CNIC; }

public String getName() { return name; }

public void setName(String name) { this.name = name; }

public String getPhone_no() { return phone_no; }

public void setPhone_no(String phone_no) { this.phone_no = phone_no; }

public String getAddress() { return address; }

public void setAddress(String address) { this.address = address; }

public char getCus_type() { return cus_type; }

public void setCus_type(char cus_type) { this.cus_type = cus_type; }

public String getMeter_type() { return meter_type; }

public void setMeter_type(String meter_type) { this.meter_type = meter_type; }

public String getConnec_date() { return connec_date; }

public void setConnec_date(String connec_date) { this.connec_date = connec_date; }

public int getReg_hour_units() { return reg_hour_units; }

public void setReg_hour_units(int reg_hour_units) { this.reg_hour_units = reg_hour_units; }

public int getPeak_hour_units() { return peak_hour_units; }

public void setPeak_hour_units(int peak_hour_units) { this.peak_hour_units = peak_hour_units; }

// Load customer data from file

public static List<Customer> loadCustomerData(String filename) {

List<Customer> customerList = new ArrayList<>();

try (BufferedReader reader = new BufferedReader(new FileReader(filename))) {

String line;

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

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

if (parts.length == 10) {

customerList.add(new Customer(

parts[0], parts[1], parts[2], parts[3], parts[4],

parts[5].charAt(0), parts[6], parts[7],

Integer.parseInt(parts[8]), Integer.parseInt(parts[9])

));

}

}

} catch (IOException e) {

e.printStackTrace();

}

return customerList;

}

public static void saveCustomerData(List<Customer> customerList, String filename) {

try (BufferedWriter writer = new BufferedWriter(new FileWriter(filename))) {

for (Customer customer : customerList) {

writer.write(String.join(",",

customer.cus_id, customer.CNIC, customer.name, customer.address,

customer.phone_no, String.valueOf(customer.cus_type), customer.meter_type,

customer.connec_date, String.valueOf(customer.reg_hour_units), String.valueOf(customer.peak_hour_units)

));

writer.newLine();

}

} catch (IOException e) {

e.printStackTrace();

}

}

}