import type enMessages from "../messages/en.json"

export type AdminMessages = typeof enMessages

function resolveNestedValue(source: unknown, key: string): unknown {
  let current: unknown = source

  for (const segment of key.split(".")) {
    if (!current || typeof current !== "object") {
      return null
    }

    current = (current as Record<string, unknown>)[segment]
  }

  return current
}

export function translateMessage(messages: AdminMessages, key: string, fallback?: string): string {
  const resolved = resolveNestedValue(messages, key)

  if (typeof resolved === "string") {
    return resolved
  }

  return fallback ?? key
}