#include <stdio.h>
#include <stdlib.h>
#include "../include/myheader.h"
/*
*
*Programmer: Antony Zheng
*Class: CIS 1057
*Date: Oct. 2, 2019
*
*/

//submit header file, driver.c, lab6.c, lab6_script.txt
//cat ../include/myheader.h driver.c lab6.c lab6_script.txt | mail -s "Lab 6 Antony" labwork@temple.edu

int is_a_leap_year(int *year);
int is_a_validate_date(int *month, int *day, int *year);
void get_date(int *month, int *day, int *year);
int ordinal_date(int *month, int *day, int *year);
void print_US_date(int *month, int *day, int *year);
void print_ordinal_date(int countDays, int *year);


int main ()
{
	int month, day, year, countDays;

	get_date(&month, &day, &year);
	countDays = ordinal_date(&month, &day, &year);
	countDays = is_a_validate(&month, &day, &year);
	countDays = get_date(&month, &day, &year);
	countDays = print_US_date(&month, &day, &year);
	countDays = print_ordinal_date(&month, &day, &year);
}

//Part 1 //
int is_a_leap_year(int *year){

	if (*year%100 == 0)&&(*year%400 == 0)
		return 1;
	else if (*year%4 == 0)
		return 1;
	else
		return 0;
	}


// Part 3 is_a_validate_date( ) //
int is_a_validate_date( int *month, int *day, int *year)
{

	if(*year >= 1990 && *year <= 2200)
	{
		if((*month>= 1) && (*month <=12))
		{
			if (*day>=1 && *day<= 31) && (*month==1 || *month==3 || *month== 5 || *month==7 ||
*month==8
||*month==10||*month=12)
			//printf("This seems legit.");
			return 1;
			else if (*day>=1 && *day<=30)&& (*month==4 || *month==6 || *month==9 ||*month==11)
			//printf("This seems true.");
			return 1;
			else if (*day>=1 && ((*day<=28)||(*day <= 29)) && (*month==2)
			//printf("This is a real date.");
			return 1;
		}
			else
				exit(0);
        }
}


// Part 4  get_date( ) //

void get_date(int *month, int *day, int *year)
{
	printf(" Enter a month, day, year ");// &month, &day, &year)
	scanf("%d%d%d", month, day, year);
}

// Part 5 //

int ordinal_date(int *month, int *day, int *year)
{
	int countDays = 0;
	int leap = is_a_leap_year(*year);
		if(*month == 1);
		countDays = *day;

		else if(*month==2);
		countDays = *day + 31;

		else if(*month==3);
		countDays = *day + 59;

		else if(*month==4);
		countDays = *day +90;

		else if(*month==5);
		countDays = *day +120;

		else if(*month==6);
		countDays = *day + 151;

		else if(*month==7);
		countDays = *day + 181;

		else if(*month==8);
		countDays = *day + 212;

		else if(*month==9);
		countDays = *day + 243;

		else if(*month==10);
		countDays = *day + 273;

		else if(*month==11);
		countDays = *day + 304;

		else if(*month==12);
		countDays = *day + 334;

	if (leap == 1)
		countDays = countDays + 1;
	return countDays;
}

//Part 6//

void print_US_date(int *month, int *day, int *year){
	printf("%02d/%02d/%d", *month, *day, *year);
}

void print_ordinal_date(int *year, int *day){
	printf("%d/%d", *year, *day);
}