badgeland 0.9.1

use std::convert::TryFrom;

include!(concat!(env!("OUT_DIR"), "/icons_map.rs"));

pub fn icon_exists(icon_name: &str) -> bool {
  SYMBOLS.get(icon_name).is_some()
}

pub fn icon_keys() -> Vec<&'static str> {
  SYMBOLS.keys().map(|k| *k).collect()
}

#[derive(Debug, PartialEq, Eq, Clone)]
pub struct Icon<'a> {
  pub name: &'a str,
  pub symbol: &'a str,
}

impl<'a> TryFrom<&'a str> for Icon<'a> {
  type Error = Box<dyn std::error::Error>;

  fn try_from(name: &'a str) -> Result<Self, Self::Error> {
    SYMBOLS
      .get(name)
      .map(|symbol| Icon { name, symbol })
      .ok_or("Icon does not exists".into())
  }
}

#[cfg(test)]
mod tests {
  use super::{icon_keys, Icon, SYMBOLS};
  use std::convert::TryFrom;

  #[test]
  fn get_icon_symbol() {
    let icon = Icon::try_from("bluetooth-b");
    assert!(icon.is_ok());
    assert!(icon.unwrap().symbol.len() > 0);
  }

  #[test]
  fn get_icon_keys() {
    assert!(icon_keys().len() > 0);
    assert!(SYMBOLS.contains_key(icon_keys()[0]))
  }
}