package enumEx;

// class representing a date, using enum Month
public class Date {

    // instance vars
    private Month month; // enums are valid types
    private int day;

    // default constructor
    public Date() {
        month = Month.JANUARY;
        day = 1;
    }

    // parameterized constructor
    public Date(Month mval, int dval) {
        this();
        setMonth(mval);
        setDay(dval);
    }

    // parameterized constructor
    public Date(String mval, int dval) {
        this();
        setMonth(mval);
        setDay(dval);
    }

    // accessor for month
    public Month getMonth() {
        return month;
    }

    // mutator for month adjusts day if past end of new month
    public void setMonth(Month m) {
        month = m;
        if (!month.possDate(getDay())) {
            // set to last day possible
            setDay(month.days());
        }
    }

    // fake mutator for month 
    // for convenience of strings
    // must match exactly e.g. "JANUARY" not "jan"
    // so potentially dangerous
    public void setMonth(String str) {
        setMonth(Month.valueOf(str.toUpperCase()));
    }

    // accessor for day
    public int getDay() {
        return day;
    }

    // mutator for day only allows possible days
    public void setDay(int d) {
        if(month.possDate(d)) {
            day = d;
        }
    }

    // toString gives month and date
    public String toString() {
        return getMonth() + " " + getDay();
    }
}