function revalidateSession() {
    if (!authenticated) return Promise.resolve(false);
    if (sessionCheckPromise) return sessionCheckPromise;
    const epoch = authEpoch;
    window.rustProxyRefresh?.suspendForSessionValidation();
    const check = (async () => {
        try {
            const info = await api("/api/auth/session");
            if (!authenticated || epoch !== authEpoch) return false;
            sessionInfo = info;
            csrf = info.csrf_token;
            renderSession();
            hideSessionValidationFailure();
            window.rustProxyRefresh?.completeSessionValidation(true);
            return true;
        } catch (error) {
            if (!authenticated || epoch !== authEpoch || error?.status === 401) return false;
            window.rustProxyRefresh?.completeSessionValidation(false);
            showSessionValidationFailure(error);
            return false;
        }
    })();
    sessionCheckPromise = check;
    void check.then(
        () => { if (sessionCheckPromise === check) sessionCheckPromise = null; },
        () => { if (sessionCheckPromise === check) sessionCheckPromise = null; }
    );
    return check;
}
function displayStartupError(error, sessionResume = false) {
    $("login").hidden = true;
    $("workspace").hidden = true;
    $("logout").hidden = !authenticated;
    document.documentElement.classList.add("app-loading", "app-startup-failed");
    document.documentElement.classList.toggle("app-session-failed", sessionResume);
    $("app-startup-title").textContent = sessionResume
        ? t("sessionValidationFailed")
        : (languagePacks.size ? t("startupFailed") : "Could not load RustProxy");
    const detail = $("app-startup-detail");
    detail.textContent = error?.message || String(error);
    detail.hidden = false;
    $("app-startup-reload").hidden = sessionResume;
    $("app-session-retry").hidden = !sessionResume;
}
function showSessionValidationFailure(error) {
    displayStartupError(error, true);
}
function hideSessionValidationFailure() {
    if (!document.documentElement.classList.contains("app-session-failed")) return;
    document.documentElement.classList.remove("app-session-failed", "app-loading", "app-startup-failed");
    $("app-startup-detail").hidden = true;
    $("app-startup-detail").textContent = "";
    $("app-startup-reload").hidden = false;
    $("app-session-retry").hidden = true;
    $("workspace").hidden = false;
    $("logout").hidden = false;
}
$("app-session-retry").addEventListener("click", () => {
    const button = $("app-session-retry");
    button.disabled = true;
    void revalidateSession().then(
        () => { button.disabled = false; },
        () => { button.disabled = false; }
    );
});
function showStartupFailure(error) {
    window.rustProxyRefresh?.stop();
    displayStartupError(error);
}