/**
 * Standard Refresh Intervals
 * All intervals in milliseconds
 * 
 * These intervals are harmonized across all widgets and notifications
 * to prevent redundant API calls and ensure consistent user experience.
 */

export const REFRESH_INTERVALS = {
  // High priority - real-time updates
  NOTIFICATIONS: 30000,        // 30 seconds (reduced from 60s for better UX)
  NOTIFICATIONS_COUNT: 30000, // 30 seconds (synchronized with notifications)
  PAROLE: 30000,               // 30 seconds (chat messages - unchanged)
  NAVBAR_TIME: 1000,           // 1 second (navigation bar time display - real-time)
  
  // Medium priority - frequent but not real-time
  EMAIL: 60000,                // 1 minute (was manual only - now auto-refresh)
  DUTIES: 120000,              // 2 minutes (was manual only - now auto-refresh)
  
  // Low priority - less frequent updates
  CALENDAR: 300000,            // 5 minutes (unchanged - calendar events don't change often)
  NEWS: 600000,                // 10 minutes (was manual only - now auto-refresh)
  
  // Minimum interval between refreshes (prevents spam)
  MIN_INTERVAL: 1000,          // 1 second - minimum time between same resource refreshes
} as const;

/**
 * Get refresh interval for a resource
 * 
 * @param resource - The resource identifier
 * @returns The refresh interval in milliseconds
 */
export function getRefreshInterval(resource: string): number {
  switch (resource) {
    case 'notifications':
      return REFRESH_INTERVALS.NOTIFICATIONS;
    case 'notifications-count':
      return REFRESH_INTERVALS.NOTIFICATIONS_COUNT;
    case 'parole':
      return REFRESH_INTERVALS.PAROLE;
    case 'navbar-time':
      return REFRESH_INTERVALS.NAVBAR_TIME;
    case 'email':
      return REFRESH_INTERVALS.EMAIL;
    case 'duties':
      return REFRESH_INTERVALS.DUTIES;
    case 'calendar':
      return REFRESH_INTERVALS.CALENDAR;
    case 'news':
      return REFRESH_INTERVALS.NEWS;
    default:
      return 60000; // Default: 1 minute
  }
}

/**
 * Convert interval to human-readable format
 */
export function formatInterval(ms: number): string {
  if (ms < 1000) return `${ms}ms`;
  if (ms < 60000) return `${Math.floor(ms / 1000)}s`;
  if (ms < 3600000) return `${Math.floor(ms / 60000)}m`;
  return `${Math.floor(ms / 3600000)}h`;
}