import {
  AxiosInstance,
  AxiosRequestConfig,
  RawAxiosRequestHeaders,
} from "axios";
import { getStringPreference } from "../App/common/utilities/SharedPreferenceUtils";
import packageJson from "../package.json";
import { BUNDLE_VERSION } from "./NetworkConstant";

const getSessionToken = async () => {
  return await getStringPreference("SESSION_TOKEN", "string");
};

const getDeviceId = async () => {
  return await getStringPreference("DEVICE_ID", "string");
};

export const getBundleVersion = () => {
  return packageJson.versionCode;
};

const addBundleVersionToHeader = (axiosInstance: AxiosInstance) => {
  axiosInstance.interceptors.request.use(requestConfig => {
    requestConfig.headers[BUNDLE_VERSION] = getBundleVersion();
    return requestConfig;
  });
};

const mergeHeaders = ({
  configs,
}: {
  configs: AxiosRequestConfig[];
}): AxiosRequestConfig => {
  const mergedHeaders = configs.reduce((acc, config) => {
    const headers = config.headers as RawAxiosRequestHeaders;
    return { ...acc, ...headers };
  }, {} as RawAxiosRequestHeaders);

  return {
    headers: mergedHeaders,
  };
};

export { addBundleVersionToHeader, getDeviceId, getSessionToken, mergeHeaders };