noita_entangled_worlds/noita-proxy/src/lang.rs

use std::sync::RwLock;

use fluent_templates::{LanguageIdentifier, Loader};
use unic_langid::langid;

fluent_templates::static_loader! {
    // Declare our `StaticLoader` named `LOCALES`.
    static LOCALES = {
        // The directory of localisations and fluent resources.
        locales: "./assets/lang",
        // The language to falback on if something is not present.
        fallback_language: "en-US",
    };
}

// static LANG: LanguageIdentifier = langid!("en-US");
static LANG: RwLock<LanguageIdentifier> = RwLock::new(langid!("ru-RU"));

pub struct LangDesc {
    name: &'static str,
    id: LanguageIdentifier,
}

impl LangDesc {
    const fn new(name: &'static str, id: LanguageIdentifier) -> Self {
        Self { name, id }
    }

    pub fn name(&self) -> &'static str {
        self.name
    }

    pub fn id(&self) -> LanguageIdentifier {
        self.id.clone()
    }
}

pub static LANGS: [LangDesc; 2] = [
    LangDesc::new("English", langid!("en-US")),
    LangDesc::new("Русский", langid!("ru-RU")),
];

pub fn set_current_locale(lang_id: LanguageIdentifier) {
    *LANG.write().unwrap() = lang_id;
}

pub fn tr(text_id: &str) -> String {
    LOCALES
        .try_lookup(&LANG.read().unwrap(), text_id)
        .unwrap_or_else(|| text_id.to_string())
}