import axios from "axios";
import _ from "lodash";
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/";

/**
 * Main proxy handler.
 */
export default async function ApiProxy(req, res) {
    const { incidentID } = req.query;

    if (!incidentID) {
        return respondError(res, {
            status: 400,
            code: "INCIDENT_ID_REQUIRED",
            message: "incidentID is required"
        });
    }

    try {
        const token = await getToken();

        // Step 1: Get SIPs record linked to incident
        const sipsQuery = `pinswg_sipses?$filter=_pinswg_sipscase_value eq ${incidentID}&$select=pinswg_sipsid`;
        const sipsUrl = `${WEBAPI_URL}${sipsQuery}${hashAPIPath(sipsQuery)}`;
        const sipsResponse = await axios.get(
            sipsUrl,
            azureHeaders(token.access_token)
        );

        const sipsRecords = _.get(sipsResponse, "data.value", []);
        if (sipsRecords.length === 0) {
            return respondError(res, {
                status: 404,
                code: "SIPS_RECORD_NOT_FOUND",
                message: "No SIPs record found for this incidentID."
            });
        }

        const sipsId = sipsRecords[0].pinswg_sipsid;

        // Step 2: Get related SIP Events
        const eventsQuery = `pinswg_sipsevents?$count=true&$filter=_pinswg_sipseventsid_value eq ${sipsId}&$select=pinswg_name,pinswg_dateeventrequested,pinswg_typeofevent,createdon`;

        ///&$select=pinswg_name,pinswg_dateeventrequested,pinswg_typeofevent
        const eventsUrl = `${WEBAPI_URL}${eventsQuery}${hashAPIPath(
            eventsQuery
        )}`;
        const eventsResponse = await axios.get(
            eventsUrl,
            azureHeaders(token.access_token)
        );

        return respondSuccess(res, eventsResponse.data);
    } catch (error) {
        consoleLogger(error);
        return respondError(res, {
            status: 500,
            code: "EVENTS_FETCH_FAILED",
            message: "An error occurred while retrieving data.",
            details: error.message || error.toString()
        });
    }
}