export { default } from "./ExpoNotificationServiceExtensionModule";
export * from "./ExpoNotificationServiceExtension.types";

import NativeModule from "./ExpoNotificationServiceExtensionModule";
import type {
  NotificationExtensionConfig,
  ValidationResult,
} from "./ExpoNotificationServiceExtension.types";

/**
 * Configure the Notification Service Extension with payload key mappings.
 * Must be called at least once before push notifications can be enhanced.
 * Writes the config to the shared App Group container.
 */
export function configureNotificationExtension(
  config: NotificationExtensionConfig
): void {
  NativeModule.configureNotificationExtension(JSON.stringify(config));
}

/**
 * Pre-download and cache an avatar image in the shared App Group container.
 * The NSE will use the cached version instead of downloading at notification time.
 *
 * @param url - The avatar image URL.
 * @param id - A stable identifier for the sender or group (used as cache key).
 */
export function prefetchAvatar(url: string, id: string): Promise<void> {
  return NativeModule.prefetchAvatar(url, id);
}

/**
 * Delete all cached avatar images from the App Group container.
 */
export function clearAvatarCache(): Promise<void> {
  return NativeModule.clearAvatarCache();
}

/**
 * Run diagnostics to verify the extension is correctly configured.
 * Optionally pass a sample push payload to dry-run key extraction.
 *
 * @param samplePayload - Optional sample push payload object to test key mapping.
 */
export async function validateSetup(
  samplePayload?: Record<string, unknown>
): Promise<ValidationResult> {
  const json = samplePayload ? JSON.stringify(samplePayload) : undefined;
  const resultJson = await NativeModule.validateSetup(json);
  return JSON.parse(resultJson) as ValidationResult;
}