package model;

import java.util.Objects;

/**

* Represents a branch location in the POS system.

* Contains information about the branch including location, contact details,

* and status.

*/

public class Branch {

// Instance variables

private String name;

private String city;

private String address;

private String phone;

private boolean isActive;

private int employeeCount;

private String branchCode;

// Constants

private static final int MIN_EMPLOYEE_COUNT = 0;

/**

* Default constructor

*/

public Branch() {

this.isActive = true;

this.employeeCount = 0;

}

/**

* Constructor with basic branch information

*

* @param name branch name

* @param city city where branch is located

* @param address branch address

* @param phone branch phone number

* @param branchCode unique branch code

*/

public Branch(String name, String city, String address, String phone, String branchCode) {

this.name = name;

this.city = city;

this.address = address;

this.phone = phone;

this.branchCode = branchCode;

this.isActive = true;

this.employeeCount = 0;

}

/**

* Constructor with all branch details

*

* @param name branch name

* @param city city where branch is located

* @param address branch address

* @param phone branch phone number

* @param isActive whether the branch is active

* @param employeeCount number of employees at the branch

* @param branchCode unique branch code

*/

public Branch(String name, String city, String address, String phone,

boolean isActive, int employeeCount, String branchCode) {

this.name = name;

this.city = city;

this.address = address;

this.phone = phone;

this.isActive = isActive;

this.employeeCount = validateEmployeeCount(employeeCount);

this.branchCode = branchCode;

}

// Validation methods

private int validateEmployeeCount(int employeeCount) {

if (employeeCount < MIN_EMPLOYEE_COUNT) {

throw new IllegalArgumentException("Employee count cannot be negative");

}

return employeeCount;

}

// Business logic methods

/**

* Check if the branch is operational (active and has employees)

*

* @return true if branch is operational, false otherwise

*/

public boolean isOperational() {

return isActive && employeeCount > 0;

}

/**

* Get the full address of the branch

*

* @return formatted full address

*/

public String getFullAddress() {

if (address == null && city == null) {

return "Address not available";

}

StringBuilder fullAddress = new StringBuilder();

if (address != null && !address.trim().isEmpty()) {

fullAddress.append(address.trim());

}

if (city != null && !city.trim().isEmpty()) {

if (fullAddress.length() > 0) {

fullAddress.append(", ");

}

fullAddress.append(city.trim());

}

return fullAddress.toString();

}

/**

* Get a formatted display name for the branch

*

* @return formatted display name

*/

public String getDisplayName() {

if (name == null || name.trim().isEmpty()) {

return "Unnamed Branch";

}

return name.trim();

}

/**

* Check if the branch has contact information

*

* @return true if branch has phone number, false otherwise

*/

public boolean hasContactInfo() {

return phone != null && !phone.trim().isEmpty();

}

/**

* Get the status description of the branch

*

* @return status description

*/

public String getStatusDescription() {

if (!isActive) {

return "Inactive";

}

if (employeeCount == 0) {

return "No Employees";

}

return "Active";

}

// Getters and Setters

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getCity() {

return city;

}

public void setCity(String city) {

this.city = city;

}

public String getAddress() {

return address;

}

public void setAddress(String address) {

this.address = address;

}

public String getPhone() {

return phone;

}

public void setPhone(String phone) {

this.phone = phone;

}

public boolean isActive() {

return isActive;

}

public void setActive(boolean active) {

isActive = active;

}

public int getEmployeeCount() {

return employeeCount;

}

public void setEmployeeCount(int employeeCount) {

this.employeeCount = validateEmployeeCount(employeeCount);

}

public String getBranchCode() {

return branchCode;

}

public void setBranchCode(String branchCode) {

this.branchCode = branchCode;

}

// Object methods

@Override

public String toString() {

return getDisplayName();

}

@Override

public boolean equals(Object obj) {

if (this == obj)

return true;

if (obj == null || getClass() != obj.getClass())

return false;

Branch branch = (Branch) obj;

return Objects.equals(branchCode, branch.branchCode);

}

@Override

public int hashCode() {

return Objects.hash(branchCode);

}

}