"use strict";

(function (root, factory) {
  const api = factory();

  if (typeof module === "object" && module.exports) {
    module.exports = api;
  }

  if (root) {
    root.AA_PRODUCT_SEARCH = api;
  }
})(typeof globalThis !== "undefined" ? globalThis : this, function () {
  function normalizedFilter(value) {
    return typeof value === "string" ? value.trim() : "";
  }

  function normalizedFilters(filters) {
    const source = filters || {};
    return {
      grade: normalizedFilter(source.grade),
      subject: normalizedFilter(source.subject),
      type: normalizedFilter(source.type)
    };
  }

  function unpack(payload, currentFilters) {
    const fallbackFilters = normalizedFilters(currentFilters);

    if (Array.isArray(payload)) {
      return {
        items: payload,
        effectiveFilters: fallbackFilters,
        hasMetadata: false
      };
    }

    const hasMetadata = Boolean(
      payload &&
      typeof payload === "object" &&
      payload.effectiveFilters &&
      typeof payload.effectiveFilters === "object"
    );

    return {
      items: payload && Array.isArray(payload.items) ? payload.items : [],
      effectiveFilters: hasMetadata
        ? normalizedFilters(payload.effectiveFilters)
        : fallbackFilters,
      hasMetadata
    };
  }

  return { unpack };
});