import { get, omit, set, sortBy } from 'lodash';
import { SETTINGS_BASE_URL } from '../../config';

const getPluginsSettingsPermissions = plugins =>
  Object.values(plugins).reduce((acc, current) => {
    const pluginSettings = get(current, 'settings.global', []);

    pluginSettings.forEach(setting => {
      const permissions = get(setting, 'permissions', []);

      permissions.forEach(permission => {
        acc.push(permission);
      });
    });

    return acc;
  }, []);

const sortLinks = links => sortBy(links, object => object.name);

const init = (initialState, plugins = {}) => {
  // For each plugin retrieve the permissions associated to each injected link
  const settingsPermissions = getPluginsSettingsPermissions(plugins);

  const pluginsLinks = Object.values(plugins).reduce((acc, current) => {
    const pluginsSectionLinks = get(current, 'menu.pluginsSectionLinks', []);

    return [...acc, ...pluginsSectionLinks];
  }, []);
  const sortedLinks = sortLinks(pluginsLinks).map(link => {
    return { ...omit(link, 'name'), isDisplayed: false };
  });

  const settingsLinkIndex = initialState.generalSectionLinks.findIndex(
    obj => obj.destination === SETTINGS_BASE_URL
  );

  if (settingsPermissions.length && settingsLinkIndex !== -1) {
    const permissionsPath = ['generalSectionLinks', settingsLinkIndex, 'permissions'];
    const alreadyCreatedPermissions = get(initialState, permissionsPath, []);

    set(initialState, permissionsPath, [...alreadyCreatedPermissions, ...settingsPermissions]);
  }

  if (sortedLinks.length) {
    set(initialState, 'pluginsSectionLinks', sortedLinks);
  }

  return initialState;
};

export default init;
export { sortLinks };