dit-rs/stardit/src/main.rs

pub use libstardit::libstardit::unix_to_stardit;
pub use std::time::{SystemTime, UNIX_EPOCH};

fn main() {
	let current_timestamp = SystemTime::now()
		.duration_since(UNIX_EPOCH)
		.unwrap()
		.as_secs_f64();
	let stardit = unix_to_stardit(current_timestamp);

	let day_stop: u16 = match is_leap_year(stardit.year as i32) {
		false => 365,
		true => 366,
	};

	print!("déc  ");

	for day_number_wkd in 0..10 {
		let day_name = unix_to_stardit((day_number_wkd as f64 * 86400.0) + 864000.0).day_name;

		let day_name_abbr = match day_name.char_indices().nth(3) {
			None => day_name,
			Some((idx, _)) => day_name[..idx].to_string(),
		};

		if day_number_wkd == stardit.day % 10 {
			print!("\x1b[1m{}\x1b[0m ", day_name_abbr);
		} else {
			print!("{} ", day_name_abbr)
		}
	}

	print!("\n  0      ");
	let mut day_i: u16 = 1;
	while day_i <= day_stop {
		if day_i % 10 == 0 {
			print!("\n");
			if day_i / 10 == stardit.day / 10 {
				print!("\x1b[1m{}\x1b[0m  ", format!("{: >3}", day_i / 10));
			} else {
				print!("{}  ", format!("{: >3}", day_i / 10));
			}
		}
		if day_i == stardit.day {
			print!("\x1b[7m{}\x1b[0m ", format!("{: >3}", day_i));
		} else {
			print!("{} ", format!("{: >3}", day_i));
		}
		day_i += 1;
	}
	print!("\n");
}

fn is_leap_year(year: i32) -> bool {
	return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
}