/**
 *  A virtual Husky Card Specification.
 *  CSE142 lecture example 1/14/04, 1/16/04, 1/21/04
 */
public class HuskyCard {
  
  // instance variables
  private String name;           // card holder's name
  private int id;                 // ID number
  private int balance;           // account balance in pennies
  
  /**
   * Construct a new HuskyCard with a balance of 0
   * @param ownerName the owner's name
   * @param idNumber the owner's id number
   */
  public HuskyCard(String ownerName, int idNumber) {
    name = ownerName;
    id = idNumber;
    balance = 0;
  }
  
  
  /**
   * Return this HuskyCard's owner's name
   * @return owner's name
   */
  public String getName() {
    return name;
  }
  
  /**
   * Return the ID number associated with this HuskyCard
   * @return the HuskyCard owner's ID number
   */
  public int getID() {
    return id;
  }
  
  /**
   * Report the current balance of this HuskyCard
   * @return the current balance in pennies
   */
  public int getBalance() {
    return balance;
  }
    
  /**
   * Change the name on this HuskyCard
   * @param newName new name for card owner
   */
  public void setName(String newName) {
    name = newName;
  }
    
  /**
   * Deposit money into this HuskyCard
   * @param amount the amount to deposit in pennies
   * @return true if the deposit was successful, otherwise false
   */
  public boolean deposit(int amount) {
    if (amount > 0) {
      balance = balance + amount;
      return true;
    } else {
      return false;
    }
  }
  
  /**
   * Withdraw money from this HuskyCard
   * @param amount the amount to withdraw in pennies
   * @return true if withdraw was successful, otherwise false
   */
  public boolean withdraw(int amount) {
    if (balance >= amount && amount > 0) {
      balance = balance - amount;
      return true;
    } else {
      return false;
    }
  }
  
  /**
   * Transfer money from another HuskyCard
   * @param amount the amount to transfer in pennies
   * @param otherCard the HuskyCard to transfer the money from
   * @return true if the transfer was a success, otherwise false
   */
  public boolean transferFrom(int amount, HuskyCard otherCard) {
    boolean success = otherCard.withdraw(amount);
    if (success) {
      deposit(amount);
      return true;
    } else {
      return false;
    }
  }
  
  /**
   * Return a String describing this HuskyCard
   * @return a string with this card's name, id, and balance
   */
  public String toString() {
    return "HuskyCard[name = " + name + ", id = " + id + ", balance = " + balance + "]";
  }
  
}