import { fdu } from "@pyyupsk/fdu";

// Current date and time
const now = fdu();

// From ISO string
const date1 = fdu("2025-09-30");
const date2 = fdu("2025-09-30T14:30:00");

// From Date object
const date3 = fdu(new Date());

// From timestamp
const date4 = fdu(1727704200000);

const date = fdu("2025-09-30T14:30:45");

date.format("YYYY-MM-DD"); // '2025-09-30'
date.format("MMMM DD, YYYY"); // 'September 30, 2025'
date.format("dddd [at] HH:mm"); // 'Monday at 14:30'
date.format("hh:mm:ss A"); // '02:30:45 PM'

const date = fdu("2025-09-30");

// Add time
date.add(1, "day"); // 2025-10-01
date.add(2, "month"); // 2025-11-30
date.add(1, "year"); // 2026-09-30

// Subtract time
date.subtract(1, "day"); // 2025-09-29
date.subtract(2, "month"); // 2025-07-30

const date1 = fdu("2025-09-30");
const date2 = fdu("2025-10-01");

date1.isBefore(date2); // true
date1.isAfter(date2); // false
date1.isSame(date2); // false

// Calculate difference
date1.diff(date2, "day"); // -1
date1.diff(date2, "hour"); // -24

const date = fdu("2025-09-30T14:30:45");

date.year(); // 2025
date.month(); // 8 (0-indexed, September)
date.date(); // 30
date.day(); // Day of week (0-6)
date.hour(); // 14
date.minute(); // 30
date.second(); // 45
date.millisecond(); // 0

const date = fdu("2025-09-30T14:30:45");

// Check validity
date.isValid(); // true

// Convert to Date object
date.toDate(); // Date object

// Convert to ISO string
date.toISOString(); // '2025-09-30T14:30:45.000Z'

// Get timestamp
date.valueOf(); // 1727704245000

import { fdu, registerLocale, locale } from "@pyyupsk/fdu";
import { es } from "@pyyupsk/fdu/locale/es";

// Register locale
registerLocale("es", es);

// Set global locale
locale("es");

// Use locale on instance
const date = fdu("2025-09-30");
date.locale("es").format("dddd, D [de] MMMM [de] YYYY");
// 'martes, 30 de septiembre de 2025'