#include <iostream>
#include <cstdlib>
#include "date.h"
using namespace std;

int main()
{
        const date today;
        const date christmas {12, 25, 2026};

        // operator
        cout << "Today is " << today << ".\n";

        // operator+
        cout << "One week from today: " << (today + 7) << ".\n";

        // operator+=
        date d = today;
        cout << "After +=7: " << (d += 7) << ".\n";

        // operator++ postfix and prefix
        date d2 = today;
        cout << "Postfix ++: " << d2++ << ".\n";
        cout << "Prefix ++:  " << ++d2  << ".\n";

        // operator-- postfix and prefix
        cout << "Postfix --: " << d2-- << ".\n";
        cout << "Prefix --:  " << --d2  << ".\n";

        // operator== and operator!=
        cout << "Is today Christmas? " << (today == christmas ? "Yes.\n" : "No.\n");
        cout << "Are they different? " << (today != christmas ? "Yes.\n" : "No.\n");

        // operator < 
        if (today < christmas) {
                cout << "Christmas 2026 has not happened yet.\n";
        }

        // operator>>
        date d3;
        cout << "Please input a date in the format mm/dd/yyyy.\n";
        cin >> d3;
        if (!cin)
                cout << "Invalid date entered.\n";
        else
                cout << "You entered: " << d3 << ".\n";

        return EXIT_SUCCESS;
}