#include <iostream>
#include "Date.h"

void getMonthLength(int& maxDays, int month, bool isLeapYear);
bool inputValidation(int minInputRange, int maxInputRange, int userInput);
bool getLeapYear(int year);

/***************************************************
Gathers user input and will display the three
dates upon validation of input

****************************************************/
int main()
{
bool isLeapYear;

int day,
month,
year,
maxDays;

const int MAX_YEAR = 2020,
MIN_YEAR = 1950,
MAX_MONTH = 12,
MIN_MONTH = 1,
MIN_MONTH_LENGTH = 1,
MAX_NON_LEAP_MONTH = 28,
MAX_LEAP_MONTH = 29,
MAX_SHORT_MONTH = 30,
MAX_LONG_MONTH = 31;

std::cout << "Enter the month(Numerical): ";
std::cin >> month;
while(inputValidation(MIN_MONTH, MAX_MONTH, month))
{
std::cout << "Min/Max values are: " << MIN_MONTH << "/" << MAX_MONTH
<< std::endl << "Enter a value: ";
std::cin >> month;
}


std::cout << "Enter the year: ";
std::cin >> year;
while(inputValidation(MIN_YEAR, MAX_YEAR, year))
{
std::cout << "Min/Max values are: " << MIN_YEAR << "/" << MAX_YEAR
<< std::endl << "Enter a value: ";
std::cin >> year;
}

isLeapYear = getLeapYear(year);
getMonthLength(maxDays, month, isLeapYear);

std::cout << "Enter the day: ";
std::cin >> day;

if(maxDays == 28)
while(inputValidation(MIN_MONTH_LENGTH, MAX_NON_LEAP_MONTH, day))
{
std::cout << "Min/Max values are: " << MIN_MONTH_LENGTH << "/" << MAX_NON_LEAP_MONTH
<< std::endl << "Enter a value: ";
std::cin >> day;
}

else if(maxDays == 29)
while(inputValidation(MIN_MONTH_LENGTH, MAX_LEAP_MONTH, day))
{
std::cout << "Min/Max values are: " << MIN_MONTH_LENGTH << "/" << MAX_LEAP_MONTH
<< std::endl << "Enter a value: ";
std::cin >> day;
}

else if(maxDays == 30)
while(inputValidation(MIN_MONTH_LENGTH, MAX_SHORT_MONTH, day))
{
std::cout << "Min/Max values are: " << MIN_MONTH_LENGTH << "/" << MAX_SHORT_MONTH
<< std::endl << "Enter a value: ";
std::cin >> day;
}

else if(maxDays == 31)
while(inputValidation(MIN_MONTH_LENGTH, MAX_LONG_MONTH, day))
{
std::cout << "Min/Max values are: " << MIN_MONTH_LENGTH << "/" << MAX_LONG_MONTH
<< std::endl << "Enter a value: ";
std::cin >> day;
}


Date myDate(day, month, year); //creates myDate object

myDate.showShortDate(); //print short date
myDate.showLongDate(); //print long date
myDate.showEuroDate(); //print euro date

/*
Date noArgDate; //creates noArgDate object

noArgDate.showShortDate(); //print short date
noArgDate.showLongDate(); //print long date
noArgDate.showEuroDate(); //print euro date
*/

return 0;
}

/***************************************************

****************************************************/
void getMonthLength(int& maxDays, int month, bool isLeapYear)
{
enum monthNameList { January = 1, February, March, April, May, June, July, August, September, October, November, December };

if(month == April || month == June || month == September || month == November)
maxDays = 30;

else if(month == February)
{
if(!isLeapYear)
maxDays = 28;
else
maxDays = 29;
}

else if(month == January || month == March || month == May || month == July || month == August || month == September || month == October || month == December)
maxDays = 31;
}

/***************************************************
Validates the user's input based on the min/max
arguments sent by the function call

****************************************************/
bool inputValidation(int minInputRange, int maxInputRange, int userInput)
{
if(userInput > maxInputRange || userInput < minInputRange)
return true;
else
return false;
}

/***************************************************
Will return true if it is a leap year and false
if it is not a leap year

****************************************************/
bool getLeapYear(int year)
{
bool isLeapYear = false;

if((year % 4) == 0)
{
if((year % 100) != 0)
return isLeapYear = true;
else if(((year % 100) == 0) && ((year % 400) == 0))
return isLeapYear = true;
else if (((year % 100) == 0) && ((year % 400) != 0))
return isLeapYear;
}

else
return isLeapYear;
}