/**
 * Write a description of class Date1 here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Date5
{
    // Instance variables
    // What do we need to keep track of for a date?
    private int day;
    private String month;
    private int year;
 
    public Date5()
    {
        // illustrate chaining constructors
        this("January", 1, 2000);  
    }
    
    public Date5( String month, int day, int year)
    {
       this.day = day;
       // validate the month and set it
       setMonth( month);
       this.year = year;
    }
    
    public Date5( int month, int day, int year)
    {
       this.day = day;
       this.month = getMonthString( month);
       this.year = year;        
    }
    
    // copy constructor
    public Date5( Date5 otherDate)
    {
       day = otherDate.day;
       month = otherDate.month;
       year = otherDate.year;
    }
    
    // Get and Set methods (a.k.a. accessor & mutator methods
    public int getDay()
    { 
        return day;
    }
    
    public String getMonth()
    {
        return month;
    }
    
    public int getYear()
    {
        return year;
    }
    
    public void setDay( int theDay)
    {
        day = theDay;
    }
    
    public void setMonth( String theMonth)
    {
        //convert month string to int, verifying correctness
        // and setting default to 1 if incorrect
        if( getMonthNumber( theMonth) == -1) {
            // month string was incorrect, setting default to "January"
            theMonth = "January";
        }
        
        month = theMonth;   
    }
   
    
    private int getMonthNumber( String theMonth)
    {
        int result = -1;
        
        if( theMonth.equals("January")) result =1;
        else if ( theMonth.equals("February"))  result =2;
        else if ( theMonth.equals("March"))  result =3;
        else if ( theMonth.equals("April"))  result =4;
        else if ( theMonth.equals("May"))  result =5;
        else if ( theMonth.equals("June"))  result =6;
        else if ( theMonth.equals("July"))  result =7;
        else if ( theMonth.equals("August"))  result =8;
        else if ( theMonth.equals("September"))  result =9;
        else if ( theMonth.equals("October"))  result =10;
        else if ( theMonth.equals("November"))  result =11;
        else if ( theMonth.equals("December"))  result =12;
        else {
            System.out.println("*** Error, invalid month. \n");
            result = -1;
        }
        
        return result;
    }// end getMonthNumber()

    
    private String getMonthString( int month)
    {
        String monthName = "";
        
        switch (month) {
            case 1: monthName = "January"; break;
            case 2: monthName = "February"; break;
            case 3: monthName = "March"; break;
            case 4: monthName = "April"; break;
            case 5: monthName = "May"; break;
            case 6: monthName = "June"; break;
            case 7: monthName = "July"; break;
            case 8: monthName = "August"; break;
            case 9: monthName = "September"; break;
            case 10: monthName = "October"; break;
            case 11: monthName = "November"; break;
            case 12: monthName = "December"; break;
            default: System.out.println("*** Invalid month int. Exiting....");
                     System.exit( -1);
                     break;
        }//end switch()
        
        return monthName;
    }//end getMonthString(..)
    
    
    public void setYear( int year)
    {
        // Problem if we have:
        //     year = year;   
        // since it would only change the local variable
        
        // using "this" refers to the instance variable, not the parameter
        this.year = year;
    }
    
    // create the toString() method to allow formatted printing.
    public String toString()
    {
        return getMonthNumber( this.month) + "/" + day + "/" + year; 
        // alternatively we could print the month text:
        //      sreturn month + "/" + day + "/" + year;   
    }
    
    public boolean equals( Date5 theDate)
    {
        return ( (theDate.day == this.day) && 
                 (theDate.month.equals(month)) &&
                 (theDate.year == year) );
    }

}