/**
 * Kontrolle-Subnav (Mitai: settingsNav / analysis-split).
 * Pfade müssen mit Routes in App.jsx übereinstimmen.
 *
 * @typedef {{ key: string, to: string, label: string }} ModeNavItem
 */

/** @type {ModeNavItem[]} */
export const CONTROL_NAV_ITEMS = [
  { key: 'status', to: '/control/status', label: 'Steuerung' },
  { key: 'plan-ist', to: '/control/plan-ist', label: 'Plan / Ist' },
  { key: 'journey', to: '/control/journey', label: 'Nachvollziehbarkeit' },
]

/**
 * @param {string} pathname
 * @returns {string | null}
 */
export function resolveControlNavActiveKey(pathname) {
  const path = pathname.replace(/\/$/, '') || pathname
  const match = CONTROL_NAV_ITEMS.find(
    (item) => path === item.to || path.startsWith(`${item.to}/`),
  )
  return match?.key ?? null
}