/**
 * API client utilities for the Tessera frontend.
 *
 * Provides typed fetch wrappers for common API endpoints.
 * All functions accept a cookie string for server-side auth forwarding.
 */

const API_URL = process.env.API_INTERNAL_URL || process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3001';

/**
 * Module data shape from the API.
 */
export interface ApiModule {
  id: string;
  name: string;
  slug: string;
  category: string;
  description: Record<string, string> | string;
  icon?: string;
  version: string;
  isSystem: boolean;
}

/**
 * Fetch all active modules for the current tenant.
 *
 * @param cookie - Cookie header value for auth forwarding
 * @returns Array of active modules
 */
export async function getActiveModules(cookie: string): Promise<ApiModule[]> {
  const response = await fetch(`${API_URL}/modules/active`, {
    headers: { Cookie: cookie },
    cache: 'no-store',
  });

  if (!response.ok) {
    return [];
  }

  return response.json();
}

/**
 * Find a specific module by its slug.
 *
 * Fetches all modules and filters by slug.
 *
 * @param slug - Module slug (e.g., 'domaincheck')
 * @param cookie - Cookie header value for auth forwarding
 * @returns The module if found, or null
 */
export async function getModuleBySlug(
  slug: string,
  cookie: string,
): Promise<ApiModule | null> {
  const response = await fetch(`${API_URL}/modules`, {
    headers: { Cookie: cookie },
    cache: 'no-store',
  });

  if (!response.ok) {
    return null;
  }

  const modules: ApiModule[] = await response.json();
  return modules.find((m) => m.slug === slug) ?? null;
}