const LOCAL_STORAGE_KEY = 'memento-ai-consent-v1'

/**
 * Reads the persistent AI processing consent value from local storage.
 * Returns true if consented, false if rejected or not set.
 */
export function getLocalStorageAiConsent(): boolean {
  if (typeof window === 'undefined') return false
  try {
    const val = localStorage.getItem(LOCAL_STORAGE_KEY)
    return val === 'true'
  } catch {
    return false
  }
}

/**
 * Writes the persistent AI processing consent value to local storage.
 */
export function setLocalStorageAiConsent(value: boolean): void {
  if (typeof window === 'undefined') return
  try {
    localStorage.setItem(LOCAL_STORAGE_KEY, value ? 'true' : 'false')
  } catch (e) {
    console.error('[setLocalStorageAiConsent] Failed to write to localStorage:', e)
  }
}

/**
 * Removes the persistent AI processing consent value from local storage.
 */
export function removeLocalStorageAiConsent(): void {
  if (typeof window === 'undefined') return
  try {
    localStorage.removeItem(LOCAL_STORAGE_KEY)
  } catch (e) {
    console.error('[removeLocalStorageAiConsent] Failed to remove from localStorage:', e)
  }
}