//! UI texts (English and German).

use std::sync::atomic::{AtomicBool, Ordering};

static GERMAN: AtomicBool = AtomicBool::new(false);

pub fn set_lang(lang: &str) {
    GERMAN.store(lang.starts_with("de"), Ordering::Relaxed);
}

pub fn system_lang() -> String {
    std::env::var("LC_ALL").or_else(|_| std::env::var("LANG")).unwrap_or_default().chars().take(2).collect()
}

/// (key, English, German)
const TEXTS: &[(&str, &str, &str)] = &[
    ("placeholder", "Message… (/ commands, @ files, Shift+Enter new line)", "Nachricht… (/ Befehle, @ Dateien, Shift+Enter neue Zeile)"),
    ("busy_placeholder", "Message is queued and sent after this turn…", "Nachricht wird nach diesem Schritt gesendet…"),
    ("permission", "Permission required", "Freigabe erforderlich"),
    ("perm_keys", "[y] allow once   [a] always in this session   [n] reject   [f] reject with feedback", "[y] einmal erlauben   [a] immer in dieser Session   [n] ablehnen   [f] ablehnen mit Hinweis"),
    ("feedback", "Tell the agent what to do instead (Enter to send):", "Was soll der Agent stattdessen tun? (Enter zum Senden):"),
    ("question", "Question", "Frage"),
    ("question_keys", "↑↓ choose · Enter confirm · type your own answer · Esc dismiss", "↑↓ wählen · Enter bestätigen · eigene Antwort tippen · Esc verwerfen"),
    ("thinking", "Thinking", "Denkt nach"),
    ("working", "Working", "Arbeitet"),
    ("interrupt", "Esc to interrupt", "Esc unterbricht"),
    ("mode", "mode", "Modus"),
    ("context", "context", "Kontext"),
    ("quit_again", "Press Ctrl+C again to quit", "Nochmal Ctrl+C zum Beenden"),
    ("aborted", "interrupted", "unterbrochen"),
    ("no_model", "No model available – run /setup", "Kein Modell verfügbar – /setup ausführen"),
    ("help", "Commands", "Befehle"),
    ("choose_model", "Choose a model", "Modell wählen"),
    ("choose_mode", "Choose a mode", "Modus wählen"),
    ("choose_session", "Resume a session", "Session fortsetzen"),
    ("choose_theme", "Choose a theme", "Theme wählen"),
    ("filter", "type to filter", "tippen zum Filtern"),
    ("queued", "queued", "in der Warteschlange"),
    ("welcome", "Welcome to CodeCraft", "Willkommen bei CodeCraft"),
    ("setup_title", "Set up CodeCraft", "CodeCraft einrichten"),
    ("setup_intro", "Where should the models come from? You can add more later with /setup.", "Woher sollen die Modelle kommen? Weitere kannst du später mit /setup hinzufügen."),
    ("setup_server", "Sign in to a CodeCraft server", "Bei einem CodeCraft-Server anmelden"),
    ("setup_provider", "Add a model provider (API key or local)", "Modell-Anbieter hinzufügen (API-Key oder lokal)"),
    ("setup_done", "Done", "Fertig"),
    ("server_url", "Server URL", "Server-Adresse"),
    ("username", "Username", "Benutzer"),
    ("password", "Password", "Passwort"),
    ("api_key", "API key", "API-Key"),
    ("base_url", "Endpoint URL", "Endpunkt-URL"),
    ("provider_name", "Name for this provider", "Name für diesen Anbieter"),
    ("detected", "running locally", "läuft lokal"),
    ("saved", "Saved.", "Gespeichert."),
    ("models_found", "models found", "Modelle gefunden"),
    ("enter_next", "Enter = next · Esc = back", "Enter = weiter · Esc = zurück"),
];

pub fn t(key: &str) -> &'static str {
    let de = GERMAN.load(Ordering::Relaxed);
    TEXTS.iter().find(|(k, _, _)| *k == key).map(|(_, en, d)| if de { *d } else { *en }).unwrap_or("?")
}