/*Se dau datele de nastere a 2 studenti in formatul luna/zi/an.
a. Cine este mai in varsta?
b. Cu cati ani/luni/zile este mai in varsta?
*/

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void findAge(int current_date,int current_month,
             int current_year, int birth_date,
             int birth_month, int birth_year)
{
    int month[] = {31,28,31,30,31,30,31,31,30,31,30,31};

    if(birth_date > current_date){
        current_date = current_date + month[birth_month - 1];
        current_month = current_month - 1;
    }
    if(birth_month > current_month){
        current_year = current_year - 1;
        current_month = current_month + 12;
    }
    int calculated_date = current_date - birth_date;
    int calculated_month = current_month - birth_month;
    int calculated_year = current_year - birth_year;

    printf("\nYour age:\n\nYears: %d \nMonths: %d \nDays:"
           "%d\n", calculated_year, calculated_month, calculated_date);
}

    int main()
    {
        time_t rawtime;
        struct tm *info;
        time( &rawtime );
        info = localtime( &rawtime );
        //printf("Current local time and date: %s", asctime(info));

        int birth_date, birth_month, birth_year, age_difference_years, age_difference_months, age_difference_days;
        int *current_date, *current_month, *current_year;
        current_date = info -> tm_mday;
        current_month = info -> tm_mon + 1;
        current_year = info -> tm_year + 1900;


        printf("\nPerson 1. \n");
        printf("\nWhat day were you born?\n");
        printf("Date = ");scanf("%d", &birth_date);
        printf("What month were you born?\n");
        printf("Month = ");scanf("%d", &birth_month);
        printf("What year were you born?\n");
        printf("Year = " );scanf("%d", &birth_year);

        int birth_date1 = birth_date;
        int birth_month1 = birth_month;
        int birth_year1 = birth_year;


        findAge(current_date,current_month, current_year,
                birth_date, birth_month, birth_year);


        printf("\n\nPerson 2. \n");
        printf("\nWhat day were you born?\n");
        printf("Date = ");scanf("%d", &birth_date);
        printf("What month were you born?\n");
        printf("Month = ");scanf("%d", &birth_month);
        printf("What year were you born?\n");
        printf("Year = " );scanf("%d", &birth_year);


        findAge(current_date,current_month, current_year,
                birth_date, birth_month, birth_year);


        if(birth_year > birth_year1)
            age_difference_years = birth_year - birth_year1;
        else
            age_difference_years = birth_year1 - birth_year;
        if(birth_month > birth_month1)
            age_difference_months = birth_month - birth_month1;
        else
            age_difference_months = birth_month1 - birth_month;
        if(birth_date > birth_date1)
            age_difference_days = birth_date - birth_date1;
        else
            age_difference_days = birth_date1 - birth_date;


        printf("\nThe difference between your ages is: \n\nYears: %d \nMonths: %d\nDays: %d\n",
                            age_difference_years, age_difference_months, age_difference_days);


        if(birth_year1 == birth_year )
            if(birth_month1 == birth_month)
                if(birth_date1 == birth_date)
                    printf("\nBoth people are the same age.");
                else if(birth_date1 > birth_date)
                    printf("\nPerson 2 is older.");
                else
                    printf("\nPerson 1 is older.");
            else if(birth_month1 > birth_month)
                    printf("\nPerson 2 is older.");
                else
                    printf("\nPerson 1 is older.");
        else if(birth_year1 > birth_year)
                    printf("\nPerson 2 is older.");
                else
                    printf("\nPerson 1 is older.");
        printf("\n");
        return 0;
    }