Event.java

public class Event {

    public final double PRICE_PER_PERSON = 35.00; // Price per guest - Lg Party
    public final double DISCOUNT_PRICE = 32.00; // Price per guest - Sm Party
    public final int LG_PARTY = 50; // Minimum Lg Party Qty
    public final int EVENT_NUM_LENGTH = 4; // Event number length

    // Event type
    public final static String[] EVENT_TYPES = { "Wedding", "Baptism", "Birthday", "Corporate", "Other" };

    private String eventNum;
    private int numOfGuests;
    private double pricePerGuest;
    private String phoneNumber;
    private int eventType;

    public Event(String eventNum, int numOfGuests, String phoneNumber, int eventType) {
        setEventNum(eventNum);
        setNumOfGuests(numOfGuests);
        setPhoneNumber(phoneNumber);
        setEventType(eventType);
    }

    // Default input information
    public Event() {
        this("A000", 0, "0000000000", EVENT_TYPES.length - 1);
    }

    // Format Event Number or revert to default
    public void setEventNum(String eventNum) {
        if (eventNum.length() != EVENT_NUM_LENGTH || !Character.isLetter(eventNum.charAt(0))
                || !Character.isDigit(eventNum.charAt(1)) || !Character.isDigit(eventNum.charAt(2))
                || !Character.isDigit(eventNum.charAt(3))) {
            this.eventNum = "A000";
        } else {
            this.eventNum = eventNum.toUpperCase();
        }
    }

    // Calculate price based on Number of Guests <---WHY ???
    public void setNumOfGuests(int numOfGuests) {
        this.numOfGuests = numOfGuests;
    }

    // Format Phone Number or revert to default
    public void setPhoneNumber(String phone) {
        final int VALID_PHONE = 10;
        final String INVALID_PHONE = "0000000000";
        phoneNumber = "";
        int len = phone.length();
        for (int x = 0; x < len; ++x) {
            if (Character.isDigit(phone.charAt(x))) {
                phoneNumber += phone.charAt(x);
            }
        }
        if (phoneNumber.length() != VALID_PHONE) {
            phoneNumber = INVALID_PHONE;
        }
    }

    // Set event type
    public void setEventType(int eventType) {
        if (eventType < EVENT_TYPES.length) {
            this.eventType = eventType;
        } else {
            this.eventType = EVENT_TYPES.length - 1;
        }
    }

    // Get phone number input from user
    public String getPhoneNumber() {
        String phone;
        phone = "(" + phoneNumber.substring(0, 3) + ") " + phoneNumber.substring(3, 6) + "-"
                + phoneNumber.substring(6, 10);
        return phone;
    }

    public String getEventNum() {
        return eventNum;
    }

    public int getNumOfGuests() {
        return numOfGuests;
    }

    public void setPricePerGuest(double pricePerGuest) {
        if (isLargeEvent()) {
            this.pricePerGuest = DISCOUNT_PRICE;
        } else {
            this.pricePerGuest = PRICE_PER_PERSON;
        }
    }

    public double getPricePerGuest() {
        return pricePerGuest;
    }
    public int getEventType() {
        return eventType;
    }

    public String getEventTypeSelect() {
        return EVENT_TYPES[eventType];
    }

    public boolean isLargeEvent() {
        return numOfGuests >= 50;
    }

    public double getTotalPrice() {

        double total;
        // Calculate total for party size
        if (isLargeEvent()) {
            total = this.numOfGuests * DISCOUNT_PRICE;
        } else {
            total = this.numOfGuests * PRICE_PER_PERSON;
        }
        return total;
    }

}