'use client';

import { getTranslation } from '@payloadcms/translations';
const reduceToIDs = options => options.reduce((ids, option) => {
  if (option.options) {
    return [...ids, ...reduceToIDs(option.options)];
  }
  return [...ids, option.id];
}, []);
const optionsReducer = (state, action) => {
  switch (action.type) {
    case 'ADD':
      {
        const {
          collection,
          data,
          hasMultipleRelations,
          i18n,
          relation
        } = action;
        const labelKey = collection.admin.useAsTitle || 'id';
        const loadedIDs = reduceToIDs(state);
        if (!hasMultipleRelations) {
          return [...state, ...data.docs.reduce((docs, doc) => {
            if (loadedIDs.indexOf(doc.id) === -1) {
              loadedIDs.push(doc.id);
              return [...docs, {
                label: doc[labelKey],
                value: doc.id
              }];
            }
            return docs;
          }, [])];
        }
        const newOptions = [...state];
        const optionsToAddTo = newOptions.find(optionGroup => optionGroup.label === getTranslation(collection.labels.plural, i18n));
        const newSubOptions = data.docs.reduce((docs, doc) => {
          if (loadedIDs.indexOf(doc.id) === -1) {
            loadedIDs.push(doc.id);
            return [...docs, {
              label: doc[labelKey],
              relationTo: relation,
              value: doc.id
            }];
          }
          return docs;
        }, []);
        if (optionsToAddTo) {
          optionsToAddTo.options = [...optionsToAddTo.options, ...newSubOptions];
        } else {
          newOptions.push({
            label: getTranslation(collection.labels.plural, i18n),
            options: newSubOptions,
            value: undefined
          });
        }
        return newOptions;
      }
    case 'CLEAR':
      {
        return action.required ? [] : [{
          label: action.i18n.t('general:none'),
          value: 'null'
        }];
      }
    default:
      {
        return state;
      }
  }
};
export default optionsReducer;
//# sourceMappingURL=optionsReducer.js.map