rezervovator/src/locales/catalogues.rs

use std::collections::HashMap;
use lazy_static::lazy_static;
use leptos::*;

lazy_static! {
    static ref LANGUAGES: HashMap<&'static str, HashMap<&'static str, &'static str>> = {
        let m = HashMap::from([
            ("cs", HashMap::from( [
                ("Dashboard", "Přehled"),
                ("Settings", "Nastavení"),
                ("Search...", "Najít..."),
                ("Close", "Zavřít"),
                ("Save changes", "Uložit změny"),
                ("Company info", "Organizace"),
                ("Name cannot be empty", "Jméno nesmí být prázdné"),
            ])),
            ("sk", HashMap::from( [
                ("Dashboard", "Prehlad"),
                ("Settings", "Nastavenie"),
                ("Search...", "Najsť...")
            ]))
        ]);
        m
    };
}

fn get_locales() -> Vec<Option<String>> {
    let (loc, set_loc) = create_signal(Vec::new());

    create_effect(move |_| {
        let js_locales = window().navigator().languages();
        set_loc.update(|l| *l = js_locales.into_iter().map(|val| val.as_string()).collect::<Vec<_>>());
    });

   loc.get_untracked()
}

pub fn get_dictionary() -> Option<&'static HashMap<&'static str, &'static str>> {
    let locs = get_locales();

    for loc in locs {
        if let Some(key) = loc {
            if let Some(k) = key.split("-").collect::<Vec<_>>().get(0) {
                if *k == "en" {
                    return None;
                }
                if !LANGUAGES.contains_key(*k) {
                    continue;
                }
                return LANGUAGES.get(*k);
            }
        }
    }

    None
}