import axios from "axios";
import https from "https";
import CryptoJS from "crypto-js";
import { getToken } from "../../../../actions";

const WORDKEY = process.env.HASHKEY;
const accessTokenEndpoint = process.env.ACCESS_TOKEN_ENDPOINT;
const tenantId = process.env.TENANT;

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 azureHeadersPaged = (access_token) => {
    return {
        headers: {
            "OData-MaxVersion": "4.0",
            "OData-Version": "4.0",
            "Accept": "application/json;odata.metadata=none",
            "Prefer":
                'odata.include-annotations="*",return=representation, odata.maxpagesize=10',
            "Content-Type": "application/json",
            "Authorization": "Bearer " + access_token,
        },
    };
};

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

    var docRef = req.query;

    console.log(docRef.id);

    var queryUrl = "documents/download/" + docRef.id + "?hash=" + docRef.hash;

    console.log(WEBAPI_URL + queryUrl);
    return axios
        .get(
            WEBAPI_URL + queryUrl, // + hashAPIPath(queryUrl),
            azureHeadersPaged(token.access_token)
        )
        .then((response) => {
            console.log(response.headers);
            res.status(200);
            res.setHeader(
                "Content-disposition",
                "attachment; filename=" +
                    response.headers["content-disposition"].split(
                        "filename="
                    )[1]
            );
            res.end(response.data);
        })
        .catch(({ err }) => {
            res.status(400).json(err);
        });
}