import { ApiRequestOptions } from '../hooks/useApi';

// ============================================================================
// TYPES & INTERFACES
// ============================================================================

export type PermissionLevel = 'n' | 'o' | 'a';

export interface UserPermissions {
  view: boolean;
  read: PermissionLevel;
  create: PermissionLevel;
  update: PermissionLevel;
  delete: PermissionLevel;
}

export type PermissionContext = 'DATA' | 'UI' | 'RESOURCE';

// Type for the request function passed to API functions
export type ApiRequestFunction = (options: ApiRequestOptions<any>) => Promise<any>;

// ============================================================================
// API REQUEST FUNCTIONS
// ============================================================================

/**
 * Fetch permissions for a given context and item
 * Endpoint: GET /api/rbac/permissions
 * Query params: context (required), item (optional)
 */
export async function fetchPermissions(
  request: ApiRequestFunction,
  context: PermissionContext,
  item?: string
): Promise<UserPermissions> {
  const params: Record<string, string> = { context };
  if (item) {
    params.item = item;
  }
  
  const data = await request<UserPermissions>({
    url: '/api/rbac/permissions',
    method: 'get',
    params
  });
  
  return data;
}