/* program to classify month-day combinations
 * in terms of season and weeks - illustrate short-cut
 */
#include <iostream>
using namespace std;

// Function Prototypes
void classify(int,int);
void translate(int);
void whichseason(int);
void whichweek(int);

int main()
{
    int month,day;
    char answer;

    do {
        // prompt for the month and day
        cout << endl << "Type in the number of a month (1-January ... 12-December): ";
        cin >> month;
        cout << "Type in the a date within the month (1-31): ";
        cin >> day;
        cout << endl << "month = " << month << " day = " << day << endl;

        // call a function to classify the month-day combination
        classify (month,day);

        // prompt whether or not to continue
        cout << endl << "Type Y to continue; N to stop: ";
        cin >> answer;
    } while (answer == 'Y');

//  system("pause");                    //un-comment when using DevC++
    return 0;
}

/* Function classify()
 * Input:
 *  month - a number specifying a month in the year
 *  day - a number specifying a day within a month
 * Process:
 *  calls a function to translate the month into a string
 *  calls a function to determine which season month is in
 *  calls a function to determine which week of the month
 *  day is in.
 *  Illegal entries for month and day will be caught
 * Output:
 *  prints the results of the classification
 */
void classify(int month, int day)
{
    // test for valid month
    if (month < 1 || month > 12)
        cout << month << " is not a valid value for the month" << endl;
    else
    {
        // valid month entered
        translate(month);               //translate integer to string
        whichseason(month);
    }

    // test for valid day
    if (day < 1 || day > 31)
        // invalid day entered
        cout << day << " is not a valid value for the day" << endl;
    else
        // valid day entered
        whichweek(day);

    return;
}

/* Function translate()
 * Input:
 *  month - a number specifying a month in the year
 * Process:
 *  translates the month into a string
 * Output:
 *  prints the name associated with month
 */
void translate(int month)
{
    cout << "month "<< month << " is ";
    if (month == 1) cout << "January";
    else if (month == 2) cout << "February";
    else if (month == 3) cout << "March";
    else if (month == 4) cout << "April";
    else if (month == 5) cout << "May";
    else if (month == 6) cout << "June";
    else if (month == 7) cout << "July";
    else if (month == 8) cout << "August";
    else if (month == 9) cout << "September";
    else if (month == 10) cout << "October";
    else if (month == 11) cout << "November";
    else cout << "December";      //if (month == 12)
    cout << endl;
    return;
}

/* Function whichseason()
 * Input:
 *  month - a number specifying a month in the year
 * Process:
 *  determines which season month is in
 * Output:
 *  prints the name of the season
 */
void whichseason(int month)
{
    if (month == 12 || month == 1 || month == 2)
        cout << "Winter is the season";
    else if (month == 3 || month == 4 || month == 5)
        cout << "Spring is the season";
    else if (month == 6 || month == 7 || month == 8)
        cout << "Summer is the season";
    else // if (month == 9 || month == 10 || month == 11)
        cout << "Fall is the season";
		cout << endl;
    return;
}

/* Function whichweek()
 * Input:
 *  day - a number specifying a day within a month
 * Process:
 *  determines which week of the month day is in.
 *  assumes each week has 7 days.
 * Output:
 *  prints the week within the month
 */
void whichweek(int day)
{
    cout << (day+6)/7 << " is the week number for day " << day << endl;
    return;
}