import 'server-only';
import { cache } from 'react';
import { createEmptySiteSettings, normalizeRoutePath } from '../data/normalize';
import type { PageRenderData } from '../types';
import { getWebRuntimeAPI } from './web-runtime-api';

export const resolvePageRenderData = cache(
  async (locale: string, requestedPath: string): Promise<PageRenderData | null> => {
    const api = getWebRuntimeAPI();
    const request = {
      locale: locale.trim(),
      path: normalizeRoutePath(requestedPath)
    };
    const resolution = await api.resolvePage(request);

    if (!resolution || resolution.page.status !== 'published') {
      return null;
    }

    const settings = resolution.settings ?? (await api.getSettings(request.locale));

    return {
      page: resolution.page,
      settings: settings ?? createEmptySiteSettings(request.locale),
      languageAlternatives: resolution.languageAlternatives
    };
  }
);

export async function resolvePreviewRenderData(token: string): Promise<PageRenderData | null> {
  if (!token) {
    return null;
  }

  const resolution = await getWebRuntimeAPI().getPreview(token);

  if (!resolution) {
    return null;
  }

  return {
    page: resolution.page,
    settings: resolution.settings ?? createEmptySiteSettings(resolution.page.locale),
    languageAlternatives: resolution.languageAlternatives
  };
}