/**
 * @swagger
 * /api/endpoint/getbasicsearch_api:
 *   get:
 *     tags: [Search]
 *     description: Basic search
 *     parameters:
 *       - name: searchString
 *         in: query
 *         required: true
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: Success
 */

import axios from "axios";
import CryptoJS from "crypto-js";
import _ from "lodash";
import {
    azureHeadersPagedCustom,
    consoleLogger,
    getToken,
} from "../../../actions";
import { number } from "prop-types";

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 || 1;
    var token = await getToken();

    var orderby = req.query.orderby || "createdon";
    var fieldSort = req.query.fieldSort || "desc";
    var showNumberOfRecords = req.query.showNumberOfRecords || 10;
    var documentType = req.query.documentType || "all";
    var numberOfWeeks = req.query.numberWeeks || 1;

    var docTypeQueryString = "";

    if (documentType != "all") {
        if (documentType.indexOf(",") >= 0) {
            const documentTypeArr = documentType.split(",");

            docTypeQueryString = " and (";
            documentTypeArr.forEach(function (item, index) {
                console.log(item, index);

                if (item != "all") {
                    docTypeQueryString +=
                        " pinswg_isharedocumentlocations eq " + item;

                    docTypeQueryString +=
                        index < documentTypeArr.length - 1 ? " or " : "";
                }
            });
            docTypeQueryString += " )";
        } else {
            docTypeQueryString +=
                " and pinswg_isharedocumentlocations eq " + documentType;
        }
    }

    function daysAgoISO(days) {
        const today = new Date();
        const resultDate = new Date(today);
        resultDate.setUTCDate(today.getUTCDate() - days); // subtract weeks
        resultDate.setUTCHours(0, 0, 0, 0); // reset time to 00:00:00
        return resultDate.toISOString().replace(/\.000Z$/, "Z"); // format as 'YYYY-MM-DDT00:00:00Z'
    }

    function flattenDocuments(response) {
        return {
            ...response,
            value: Array.isArray(response.value)
                ? response.value.map((doc) => ({
                      ...doc,
                      ticketnumber:
                          doc.pinswg_DocumentIds?.ticketnumber || null,
                  }))
                : [],
        };
    }

    var queryUrl =
        "pinswg_documents?$select=pinswg_name,createdon,pinswg_publishtoweb,_pinswg_documentids_value,pinswg_isharedocumentlocations,pinswg_isharedocumentreference,pinswg_uploadurl,pinswg_uploadstatus,pinswg_origin&$filter=createdon ge " +
        daysAgoISO(numberOfWeeks) +
        docTypeQueryString +
        "&$orderby=" +
        orderby +
        " " +
        fieldSort +
        "&$count=true" +
        "&$expand=pinswg_DocumentIds($select = ticketnumber)" +
        (typeof pageNumber != "undefined"
            ? "&$skiptoken=" + '<cookie pagenumber="' + pageNumber + '" />'
            : "");

    console.log(
        "\n==========================================\n",
        "\nnew docs search ",
        "\n\nQuery url: " + queryUrl,
        "\n\nRelay link: " + WEBAPI_URL + queryUrl + hashAPIPath(queryUrl),
        "\n==========================================\n"
    );

    var apiResponse = axios
        .get(
            WEBAPI_URL + queryUrl + hashAPIPath(queryUrl),
            azureHeadersPagedCustom(token.access_token, showNumberOfRecords)
        )
        .then(({ data }) => {
            let flattened = data.value.map((r) => ({
                ...r,
                ticketnumber: r.pinswg_DocumentIds?.ticketnumber || null,
            }));

            data.value = flattened;
            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]));
            res.status(200).json(data);
        })
        .catch((error) => {
            consoleLogger(error);
            res.status(400).json(error);
        });

    return apiResponse;
}