const filterGenerator = (objects: { [key: string]: any }[], field: string) => {
  const seen = new Map<string, boolean>();

  return objects
    .flatMap((obj) => {
      if (obj[field]) {
        if (Array.isArray(obj[field])) {
          return obj[field].map((v) => ({
            label: v?.name || v,
            value: v?.["@id"] || v,
          }));
        }
        return {
          label: obj[field]?.name || obj[field],
          value: obj[field]?.["@id"] || obj[field],
        };
      }
      return {
        label: false,
        value: false,
      };
    })
    .filter((value) => {
      if (!value?.label || !value?.value) return false;
      const key = `${value.label}|${value.value}`;
      if (seen.has(key)) return false;
      seen.set(key, true);
      return true;
    });
};

export default filterGenerator;