import axios from "axios";
import { azureHeaders } from "../../../actions/core/headers";
import { consoleLogger } from "../../../actions/core/logger";
import { getToken } from "../../../actions/core/token";
import { hashAPIPath } from "../../../actions/core/hash";
import { respondError, respondSuccess } from "../middleware/apiResponse";

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

function flattenWatchlistEntry(entry) {
    const flattened = { ...entry };

    if (entry.pinswg_Contact) {
        flattened.contactid = entry.pinswg_Contact.contactid;
        flattened.contact_email = entry.pinswg_Contact.emailaddress1;
        delete flattened.pinswg_Contact; // Optional: remove nested object
    }

    return flattened;
}

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

    const queryUrl =
        "pinswg_watchlists?$count=true&$filter=pinswg_emailnotifications ne null&$expand=pinswg_Contact($select=contactid,emailaddress1)&$select=pinswg_emailnotifications,_pinswg_watchedcase_value";

    try {
        const { data } = await axios.get(
            WEBAPI_URL + queryUrl + hashAPIPath(queryUrl),
            azureHeaders(token.access_token)
        );
        const flattenedResults = data.value.map(flattenWatchlistEntry);

        return respondSuccess(res, flattenedResults);
    } catch (error) {
        consoleLogger(error);
        return respondError(res, {
            status: 400,
            code: "MAILING_LIST_FETCH_FAILED",
            message: "Failed to fetch mailing list"
        });
    }
}