/* Keep Android back navigation inside MetalCircle until the calendar home. */
(() => {
    const capacitor = window.Capacitor;
    if (!capacitor || capacitor.getPlatform() !== 'android' || typeof capacitor.addListener !== 'function') return;

    try {
        capacitor.addListener('App', 'backButton', ({canGoBack}) => {
            const openDialog = document.querySelector('dialog[open]');
            if (openDialog) {
                openDialog.close();
                return;
            }

            const openDetails = document.querySelector('details[open]');
            if (openDetails) {
                openDetails.open = false;
                return;
            }

            if (location.pathname === '/') {
                capacitor.nativePromise('App', 'exitApp', {}).catch(() => {});
                return;
            }

            if (canGoBack) {
                history.back();
                return;
            }

            location.replace('/');
        });
    } catch (_) {
        // The website remains usable when the native App plugin is unavailable.
    }
})();