/*
 * Account.java
 *
 * Created on March 6, 2002, 12:45 PM
 */

/**
 *
 * @author  Mike Redmond
 * @version 1
 * Simple Bank Account
 */
public class Account {

    protected String acctNum;
    
    protected String PIN;
    
    protected double balance = 0;
    
    /** Creates new Account */
    public Account() {
    }

    // deposit a given amount into the calling account
    public boolean deposit(double amt) {
        // reject a negative deposit
        // only return false because we don't know where the amount came 
        // from. it might not have come from a user, so we don't know if 
        // we should reprompt (let caller handle the problem)
        if (amt <= 0) {
            System.out.println("PROGRAM ERROR - cannot deposit negative amount");
            return false;
        }
        else {
            balance = balance + amt;
            return true;
        } 
    }
    
    // withdraw a given amount from the calling account
    public boolean withdraw(double amt) {
        // reject a negative wothdrawal
        // only return false because we don't know where the amount came 
        // from. it might not have come from a user, so we don't know if 
        // we should reprompt (let caller handle the problem)
        if (amt <= 0) {
            System.out.println("PROGRAM ERROR - cannot withraw a negative amount");
            return false;
        }
        else if (amt > balance) {
            System.out.println("ERROR - cannot withraw an amount more than in account");
            return false;
        }
        else {
            // can withdraw
            balance = balance - amt;
            return true;
        } 
    }
    
    // return the current balance - basically an account inquiry
    public double getBal() {
        return balance;
    }
    
    // return the account number
    public String getAcctNum() {
        return acctNum;
    }
    
    // report the PIN
    public String getPin() {
        return PIN;
    }
    
    // set the account balance - should probably only be used publicly  
    // at the creation of the account. All other accesss to changing 
    // the balance should be handled through deposit or withdraw 
    public boolean setBal(double amt) {
        // reject negative balance
        if (amt < 0) {
            System.out.println("PROGRAM ERROR - cannot set a negative account balance");
            return false;
        }
        else {
            balance = amt;
        }
        return true;
    }
    
    // set account number - should probably only be used publically 
    // at the creation of the account. 
    public boolean setAcctNum(String acctNumber) {
        acctNum = acctNumber;
        // could check acct number to see if it is valid (check digit 
        // - or already in DB) but for now just say that it is ok
        return true;
    }
    
    // set PIN - should be carefully controlled
    public boolean setPIN(String pin) {
        PIN = pin;
        // could check PIN based on some PIN rules - but for now just say 
        // that it is ok
        return true;
    }
    
    // determine if a passed string is the correct account number for the 
    // calling object
    public boolean matchAcctNum(String toCompare) {
        if (acctNum.equals(toCompare)) {
            return true;
        }
        else {
            return false;
        }
    }
    
    // determine if a passed account has the same account number as the 
    // calling object
    public boolean matchAcctNum(Account toCompare) {
        if (acctNum.equals(toCompare.getAcctNum())) {
            return true;
        }
        else {
            return false;
        }
    }
    
    
    // determine if a passed account has the same contents as the 
    // calling object (account number, PIN, AND balance)
    public boolean equals(Account toCompare) {
        if ( acctNum.equals(toCompare.getAcctNum())
             && PIN.equals(toCompare.getPin())
             && balance == toCompare.getBal() ) {
            return true;
        }
        else {
            return false;
        }
    }
    
    // produce a string for an account - generally used for display
    public String toString() {
        String res = "Acct: " + acctNum + " PIN: " + PIN 
                + " Bal: " + balance;
        return res;
    }
    
}