import axios from "axios";
import CryptoJS from "crypto-js";
import _ from "lodash";
import { getToken, azureHeadersPagedCustom } 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;
};

const encryptDocReference = (documentRef) => {
    var hashlink = CryptoJS.HmacSHA256(
        "documents/download/" + documentRef,
        CryptoJS.enc.Hex.parse(WORDKEY)
    );
    hashlink = hashlink.toString(CryptoJS.enc.Hex);

    var hashStr =
        "/api/documents/download/" + documentRef + "?hash=" + hashlink;

    return hashStr;
};

export default async function ApiProxy(req, res) {
    var pageNumber = req.query.pageNumber;
    var incidentID = req.query.incidentid;
    var token = await getToken();

    var orderby = req.query.orderby;
    var fieldSort = req.query.fieldSort;
    var showNumberOfRecords = req.query.showNumberOfRecords;
    var documentType = req.query.documentType || "all";

    //console.log("has this passed docuemntType:", documentType);
    //(documentType !="all" && " pinswg_pinswg_isharedocumentlocations eq " + )

    var queryUrl =
        "pinswg_documents?$filter=pinswg_publishtoweb eq true and _pinswg_documentids_value eq " +
        incidentID +
        " and pinswg_latestpublishedversion ne null and pinswg_latestpublisheddate ne null" +
        (documentType != "all"
            ? " and pinswg_isharedocumentlocations eq " + documentType
            : "") +
        "&$select=pinswg_isharedocumentlocations,_pinswg_documentids_value,pinswg_isharelabelcasetype,pinswg_isharelabellpaname,pinswg_publishtoweb,pinswg_uploadstatus,pinswg_isharedocumentclassification,pinswg_isharedocumentreference,pinswg_name,pinswg_latestpublishedversion,pinswg_latestpublisheddate&$orderby=" +
        orderby +
        " " +
        fieldSort +
        "&$count=true" +
        (typeof pageNumber != "undefined"
            ? "&$skiptoken=" + ('<cookie pagenumber="' + pageNumber + '" />')
            : "");

    console.log("docu paged: ", queryUrl);

    return axios
        .get(
            WEBAPI_URL + queryUrl + hashAPIPath(queryUrl),
            azureHeadersPagedCustom(token.access_token, showNumberOfRecords)
        )
        .then(({ data }) => {
            data.value.forEach(function (element) {
                element.pinswg_hashlink = encryptDocReference(
                    element.pinswg_isharedocumentreference
                );
            });
            var dataStr;
            _.has(data, "@odata.nextLink") == true &&
                ((dataStr = JSON.stringify(data["@odata.nextLink"])),
                (data["@odata.nextLink"] = dataStr.split("/v8.2/")[1]));
            return res.status(200).json(data);
        })
        .catch((err) => {
            console.log(consoleLogger(err));
            res.status(400).json(err);
        });
}