Translation

import { PluginDocAPI } from 'sn-plugin-lib';

/**
 * Translate text to the target language.
 * This is only a function signature and usage example. Replace it with your own implementation
 * (local model, self-hosted service, third-party service, etc.).
 */
async function translateText(text: string, targetLang: string): Promise<string> {
  return `[${targetLang}] ${text}`;
}

/**
 * Selection translation: read the current selected text and translate it.
 */
export async function translateSelection(targetLang: string) {
  const res = await PluginDocAPI.getSelectedText();
  if (!res || !res.success) {
    throw new Error(res?.error?.message ?? 'Failed to get selected text');
  }

  const selectedText = (res.result ?? '').trim();
  if (!selectedText) {
    throw new Error('No text selected');
  }

  const translated = await translateText(selectedText, targetLang);
  return { source: selectedText, translated };
}

import { PluginDocAPI } from 'sn-plugin-lib';

/**
 * Full-page translation: read page text and translate it.
 */
export async function translatePage(page: number, targetLang: string) {
  const res = await PluginDocAPI.getCurrentDocText(page);
  if (!res || !res.success) {
    throw new Error(res?.error?.message ?? 'Failed to get page text');
  }

  const pageText = (res.result ?? '').trim();
  if (!pageText) {
    return { page, source: '', translated: '' };
  }

  const translated = await translateText(pageText, targetLang);
  return { page, source: pageText, translated };
}