/*Xeslint-disable */

///Add data key names which make the custom fields control work more easily
///Since the names can be inferred from the data that comes from the server it saves bandwidth to do it here at the client
function addDataKeyNames(obj) {
  //iterate the array of objects
  //if it has a "type" property then it's a custom field so add its data key name

  for (var i = 0; i < obj.length; i++) {
    if (obj[i].type) {
      obj[i]["dataKey"] = "c" + parseInt(obj[i].fld.replace(/^\D+/g, ""));
    }
  }
  //return the whole thing again now translated
  return obj;
}

export default {
  // cache the form customization data if it's not already present
  //cache invalidation is hard, this needs it...hmmm....
  //for now will rely on logout and back in to clear up any customization issues
  get(formKey) {
    return new Promise(function getFormTemplate(resolve) {
      if (
        !window.$gz._.has(window.$gz.store.state.formCustomTemplate, formKey)
      ) {
        //fetch and populate the store
        window.$gz.api.get("formcustom/" + formKey).then(res => {
          if (res.error) {
            throw res.error;
          }
          window.$gz.store.commit("setFormCustomTemplateItem", {
            formKey: formKey,
            concurrencyToken: res.data.concurrencyToken,
            value: addDataKeyNames(JSON.parse(res.data.template))
          });

          resolve();
        });
      } else {
        resolve();
      }
    });
  },
  set(formKey, token, template) {
    window.$gz.store.commit("setFormCustomTemplateItem", {
      formKey: formKey,
      concurrencyToken: token,
      value: addDataKeyNames(JSON.parse(template))
    });
  },
  getFieldTemplateValue(formKey, fieldKey) {
    if (fieldKey === undefined) {
      throw "ERROR form-custom-template::getFieldTemplateValue -> fieldKey not specified for template for form [" +
        formKey +
        "]";
    }

    var template = window.$gz.store.state.formCustomTemplate[formKey];
    if (template === undefined) {
      throw "ERROR form-custom-template::getFieldTemplateValue -> Store is missing form template for [" +
        formKey +
        "]";
    }

    //_https://lodash.com/docs#find
    //Note that not every field being requested will exist so it's valid to return undefined
    var templateItem = window.$gz._.find(template, ["fld", fieldKey]);

    return templateItem;
  },
  getTemplateConcurrencyToken(formKey) {
    var tok =
      window.$gz.store.state.formCustomTemplate[formKey + "_concurrencyToken"];
    if (tok === undefined) {
      throw "ERROR form-custom-template::getTemplateConcurrencyToken -> Store is missing concurrency token for [" +
        formKey +
        "]";
    }

    return tok;
  }
};