mod.rs

use chrono::{DateTime, Local, NaiveDateTime, Utc};
use lazy_static::lazy_static;
use std::borrow::Cow;
use unicode_width::UnicodeWidthStr;

pub mod filetree;
pub mod logitems;
pub mod scroll_vertical;
pub mod statustree;

/// macro to simplify running code that might return Err.
/// It will show a popup in that case
#[macro_export]
macro_rules! try_or_popup {
	($self:ident, $msg:literal, $e:expr) => {
		if let Err(err) = $e {
			::log::error!("{} {}", $msg, err);
			$self.queue.push(InternalEvent::ShowErrorMsg(format!(
				"{}\n{}",
				$msg, err
			)));
		}
	};
}

/// helper func to convert unix time since epoch to formated time string in local timezone
pub fn time_to_string(secs: i64, short: bool) -> String {
	let time = DateTime::<Local>::from(DateTime::<Utc>::from_utc(
		NaiveDateTime::from_timestamp(secs, 0),
		Utc,
	));
	time.format(if short {
		"%Y-%m-%d"
	} else {
		"%Y-%m-%d %H:%M:%S"
	})
	.to_string()
}

#[inline]
pub fn string_width_align(s: &str, width: usize) -> String {
	static POSTFIX: &str = "..";

	let len = UnicodeWidthStr::width(s);
	let width_wo_postfix = width.saturating_sub(POSTFIX.len());

	if (len >= width_wo_postfix && len <= width)
		|| (len <= width_wo_postfix)
	{
		format!("{:w$}", s, w = width)
	} else {
		let mut s = s.to_string();
		s.truncate(find_truncate_point(&s, width_wo_postfix));
		format!("{}{}", s, POSTFIX)
	}
}

lazy_static! {
	static ref EMOJI_REPLACER: gh_emoji::Replacer =
		gh_emoji::Replacer::new();
}

// Replace markdown emojis with Unicode equivalent
// :hammer: --> 🔨
#[inline]
pub fn emojifi_string(s: &mut String) {
	let resulting_cow = EMOJI_REPLACER.replace_all(s);
	if let Cow::Owned(altered_s) = resulting_cow {
		*s = altered_s;
	}
}

#[inline]
fn find_truncate_point(s: &str, chars: usize) -> usize {
	s.chars().take(chars).map(char::len_utf8).sum()
}