import type messages from "../../messages/en/index";

type Messages = typeof messages;

/**
 * Helper function to access nested translation keys from messages object
 * This provides a type-safe way to access translations in server components
 * without requiring the next-intl plugin configuration.
 *
 * @param messages - The messages object from messages/en/index
 * @param key - Dot-separated key path (e.g., "heroBanner.title")
 * @returns The translation string or the key if not found
 */
export function getTranslation(
  messages: Messages,
  key: string,
): string {
  const keys = key.split(".");
  let value: any = messages;

  for (const k of keys) {
    if (value && typeof value === "object" && k in value) {
      value = value[k as keyof typeof value];
    } else {
      // Fallback to key if path not found
      return key;
    }
  }

  return typeof value === "string" ? value : key;
}

/**
 * Type-safe helper to get nested values from messages
 * Usage: getNested(messages, "heroBanner", "title")
 */
export function getNested<T extends keyof Messages>(
  messages: Messages,
  namespace: T,
  key: string,
): string {
  const namespaceObj = messages[namespace];
  if (!namespaceObj || typeof namespaceObj !== "object") {
    return key;
  }

  const keys = key.split(".");
  let value: any = namespaceObj;

  for (const k of keys) {
    if (value && typeof value === "object" && k in value) {
      value = value[k];
    } else {
      return key;
    }
  }

  return typeof value === "string" ? value : key;
}