using PersianDate;

PersianDateShamsi persianDate = new PersianDateShamsi();
DateTime now = DateTime.Now;

int shamsiYear = persianDate.GetShamsiYear(now);
string shamsiMonthName = persianDate.GetShamsiMonthName(now);
string shamsiDayString = persianDate.GetShamsiDayString(now);
string shamsiDayName = persianDate.GetShamsiDayName(now);
string shamsiDayShortName = persianDate.GetShamsiDayShortName(now);

Console.WriteLine($"Year: {shamsiYear}");
// Output: Year: 1402

Console.WriteLine($"Month: {shamsiMonthName}");
// Output: Month: فروردین

Console.WriteLine($"Day: {shamsiDayString}");
// Output: Day: 01

Console.WriteLine($"Day Name: {shamsiDayName}");
// Output: Day Name: سه‌شنبه

Console.WriteLine($"Short Day Name: {shamsiDayShortName}");
// Output: Short Day Name: سه‌

using PersianDate;

DateTime date = new DateTime(2024, 3, 20);

// Predefined format styles
string short = ShamsiDateFormatter.Format(date, ShamsiFormatStyle.Short);
// Output: ۱۴۰۳/۱/۱

string medium = ShamsiDateFormatter.Format(date, ShamsiFormatStyle.Medium);
// Output: ۱ فرو ۱۴۰۳

string long = ShamsiDateFormatter.Format(date, ShamsiFormatStyle.Long);
// Output: ۱ فروردین ۱۴۰۳

string full = ShamsiDateFormatter.Format(date, ShamsiFormatStyle.Full);
// Output: چهارشنبه، ۱ فروردین ۱۴۰۳

// Custom patterns with Persian digits (default)
string custom1 = ShamsiDateFormatter.Format(date, "yyyy/MM/dd");
// Output: ۱۴۰۳/۰۱/۰۱

string custom2 = ShamsiDateFormatter.Format(date, "dddd، dd MMMM yyyy");
// Output: چهارشنبه، ۰۱ فروردین ۱۴۰۳

// English digits
string english = ShamsiDateFormatter.FormatWithEnglishDigits(date, "yyyy/MM/dd");
// Output: 1403/01/01

DateTime dateTime = new DateTime(2024, 3, 20, 14, 30, 45);

string withTime = ShamsiDateFormatter.Format(dateTime, "yyyy/MM/dd HH:mm:ss");
// Output: ۱۴۰۳/۰۱/۰۱ ۱۴:۳۰:۴۵

string timeOnly = ShamsiDateFormatter.FormatTime(dateTime, "HH:mm");
// Output: ۱۴:۳۰

using PersianDate;

// Parse various formats
DateTime parsed1 = ShamsiDateParser.Parse("۱۴۰۳/۱/۱");
DateTime parsed2 = ShamsiDateParser.Parse("1403/1/1");
DateTime parsed3 = ShamsiDateParser.Parse("1403-01-01");

// Safe parsing with TryParse
if (ShamsiDateParser.TryParse("۱۴۰۳/۱۲/۲۹", out DateTime result))
{
    Console.WriteLine($"Parsed: {result}");
}

// Strict validation
var validation = ShamsiDateParser.ParseAndValidate("1403/13/1");
if (!validation.IsValid)
{
    Console.WriteLine($"Error: {validation.ErrorMessage}");
    // Output: Error: Month must be between 1 and 12
}

// Different validation modes
bool isValid1 = ShamsiDateParser.IsValidShamsiDate(1403, 12, 30); // false (invalid day)
bool isValid2 = ShamsiDateParser.IsValidShamsiDate(1403, 6, 31);  // false (month 6 has max 31 days)
bool isValid3 = ShamsiDateParser.IsValidShamsiDate(1403, 1, 31);  // true

// Parse with custom validation
var strictResult = ShamsiDateParser.ParseAndValidate("1403/12/30", ValidationMode.Strict);
var lenientResult = ShamsiDateParser.ParseAndValidate("1403/12/30", ValidationMode.Lenient);

using PersianDate;

DateTime date = new DateTime(2024, 3, 20);
var persianCulture = ShamsiCultureInfo.Persian;

// Persian formatting with Persian digits and month names
string persian = ShamsiLocalizedFormatter.Format(date, "dd MMMM yyyy", persianCulture);
// Output: ۰۱ فروردین ۱۴۰۳

// Extension method for Persian culture
string persianExt = date.ToShamsiString(ShamsiFormatStyle.Long, persianCulture);
// Output: ۱ فروردین ۱۴۰۳

var englishCulture = ShamsiCultureInfo.English;

// English formatting with English digits and transliterated names
string english = ShamsiLocalizedFormatter.Format(date, "dd MMMM yyyy", englishCulture);
// Output: 01 Farvardin 1403

// Extension method for English culture
string englishExt = date.ToShamsiString(ShamsiFormatStyle.Full, englishCulture);
// Output: Wednesday, 1 Farvardin 1403

// Persian culture properties
Console.WriteLine(persianCulture.DisplayName);        // فارسی (ایران)
Console.WriteLine(persianCulture.IsRightToLeft);      // true
Console.WriteLine(persianCulture.UsesPersianDigits);  // true
Console.WriteLine(persianCulture.DateSeparator);      // /

// English culture properties  
Console.WriteLine(englishCulture.DisplayName);        // English
Console.WriteLine(englishCulture.IsRightToLeft);      // false
Console.WriteLine(englishCulture.UsesPersianDigits);  // false

using PersianDate;

DateTime? dateTime = new DateTime(2023, 10, 5);
DateTimeOffset? dateTimeOffset = new DateTimeOffset(2023, 10, 5, 0, 0, 0, TimeSpan.Zero);

Console.WriteLine(dateTime.ToShamsiDate());
// Output: 1402/07/13

Console.WriteLine(dateTimeOffset.ToShamsiDate());
// Output: 1402/07/13

Console.WriteLine(dateTime.ToShortShamsiDate());
// Output: 02/07/13

Console.WriteLine(dateTimeOffset.ToShortShamsiDate());
// Output: 02/07/13

Console.WriteLine(dateTime.ToLongShamsiDate());
// Output: پنجشنبه 13 مهر 1402

Console.WriteLine(dateTimeOffset.ToLongShamsiDate());
// Output: پنجشنبه 13 مهر 1402

// New localized extensions
Console.WriteLine(dateTime.ToShamsiString(ShamsiFormatStyle.Full, ShamsiCultureInfo.English));
// Output: Thursday, 13 Mehr 1402

using PersianDate;

ToGregorian toGregorian = new ToGregorian();

int gregorianYear = toGregorian.GetGregorianYear(1402, 1, 1);
DateTime gregorianDate = toGregorian.ToGregorianDate(1402, 1, 1);
int gregorianMonth = toGregorian.GetGregorianMonth(1402, 1, 1);
int gregorianDay = toGregorian.GetGregorianDay(1402, 1, 1);

Console.WriteLine($"Gregorian Year: {gregorianYear}");
// Output: Gregorian Year: 2023

Console.WriteLine($"Gregorian Date: {gregorianDate}");
// Output: Gregorian Date: 2023-03-21

Console.WriteLine($"Gregorian Month: {gregorianMonth}");
// Output: Gregorian Month: 3

Console.WriteLine($"Gregorian Day: {gregorianDay}");
// Output: Gregorian Day: 21