import { pagePathUtils } from '@growi/core/dist/utils';

const { isCreatablePage } = pagePathUtils;

/** @param {import('~/server/crowi').default} crowi Crowi instance */
module.exports = (crowi) => {
  const { Page } = crowi.models;

  /**
   * Create posts from imported data
   * @param pages = [{
   *    path: String,
   *    body: String,
   *    user: Object
   * }]
   */
  const createGrowiPages = async (pages) => {
    const promises = [];
    const errors = [];

    for (const page of pages) {
      const path = page.path;
      const user = page.user;
      const body = page.body;
      const isCreatableName = isCreatablePage(path);
      // biome-ignore lint/performance/noAwaitInLoops: Allow for memory consumption control
      const isPageNameTaken = await Page.findByPathAndViewer(path, user);

      if (isCreatableName && !isPageNameTaken) {
        try {
          const promise = crowi.pageService.create(path, body, user, {
            grant: Page.GRANT_PUBLIC,
            grantUserGroupId: null,
          });
          promises.push(promise);
        } catch (err) {
          errors.push(err);
        }
      } else {
        if (!isCreatableName) {
          errors.push(new Error(`${path} is not a creatable name in GROWI`));
        }
        if (isPageNameTaken) {
          errors.push(new Error(`${path} already exists in GROWI`));
        }
      }
    }

    await Promise.all(promises);

    return errors;
  };

  return createGrowiPages;
};