import axios from "axios";
import CryptoJS from "crypto-js";
import _ from "lodash";
import { getToken, azureHeadersPaged } from "../../../actions";

const WORDKEY = process.env.HASHKEY;

const WEBAPI_URL =
    process.env.RELAY_ROOT ||
    "https://dev-pedw-ns.servicebus.windows.net/dev-pedw-hc/";

const hashAPIPath = (queryPath) => {
    var hashlink = CryptoJS.HmacSHA256(
        queryPath,
        CryptoJS.enc.Hex.parse(WORDKEY)
    );
    hashlink = hashlink.toString(CryptoJS.enc.Hex);

    //return "&hash=" + hashlink;

    return (queryPath.indexOf("?") > -1 ? "&hash=" : "?hash=") + hashlink;
};

export default async function ApiProxy(req, res) {
    var searchString = req.query.searchstring;
    var token = await getToken();

    searchString = _.isEmpty(searchString)
        ? searchString
        : JSON.parse(decodeURI(searchString));

    var queryString = "";

    queryString +=
        _.has(searchString, "q") && searchString.q != null
            ? "(contains(title, '" +
              searchString.q +
              "') or contains(ticketnumber,'" +
              searchString.q +
              "'))"
            : "";

    queryString +=
        _.has(searchString, "lpa") && searchString.lpa != null
            ? (typeof searchString.q == "undefined" ? "" : " and ") +
              "_pinswg_associatedlpa_value eq " +
              searchString.lpa
            : "";
    queryString +=
        _.has(searchString, "apt") && searchString.apt != null
            ? (typeof searchString.q == "undefined" &&
              typeof searchString.lpa == "undefined"
                  ? ""
                  : " and ") +
              "pinswg_appealcasetype eq " +
              searchString.apt
            : "";

    var queryUrl =
        "incidents?$select=description,numberofchildincidents,_accountid_value,_customerid_value,_pinswg_associatedlpa_value,_ownerid_value,pinswg_appealcasetype,statuscode,ticketnumber,title, _primarycontactid_value&$expand=primarycontactid($select=fullname)&$filter=" +
        queryString +
        " and pinswg_appealcasetype ne null and pinswg_publishtoweb eq true&$orderby=createdon desc&$count=true";

    var apiResponse = _.isEmpty(searchString)
        ? res.status(400).json()
        : axios
              .get(
                  WEBAPI_URL + queryUrl + hashAPIPath(queryUrl),
                  azureHeadersPaged(token.access_token)
              )
              .then(({ data }) => {
                  var dataStr;
                  _.has(data, "@odata.nextLink") == true &&
                      ((dataStr = JSON.stringify(data["@odata.nextLink"])),
                      (data["@odata.nextLink"] = dataStr.split("/v8.2/")[1]));
                  res.status(200).json(data);
              })
              .catch(({ err }) => {
                  res.status(400).json(err);
              });

    return apiResponse;
}