import { hashAPIPath } from "../../../actions/core/hash";
import nextConnect from "next-connect";
import { getSession } from "next-auth/react";
import { respondError, respondSuccess } from "../middleware/apiResponse";

const ApiProxy = nextConnect();

ApiProxy.get(async (req, res) => {
    const session = await getSession({ req });

    if (!session) {
        return respondError(res, {
            status: 401,
            code: "UNAUTHENTICATED",
            message: "Authentication required"
        });
    }

    const rawQueryPath = req.query.path;

    const queryPath =
        typeof rawQueryPath === "string"
            ? rawQueryPath.split("?")[0]
            : rawQueryPath;

    const allowedPrefix = [
        "/api/endpoint/getportallogin_api",
        "/api/endpoint/deletemyrepresentations_api",
        "/api/endpoint/deletewatchedcases_api",
        "/api/file/upload",
        "/api/file/uploadsinglefile",
        "/api/file/deleteblobcase",
        "/api/file/deleteblobrep",
        "/api/file/createrepcompletemessage_api",
        "/api/file/createappealcompletemessage_api",
        "/api/file/generatepdf",
        "/api/file/generateappealpdf"
    ];

    if (
        typeof queryPath !== "string" ||
        queryPath.length === 0 ||
        !queryPath.startsWith("/api/") ||
        !allowedPrefix.some((prefix) => queryPath.startsWith(prefix)) ||
        queryPath.includes("/api/endpoint/gethash_api")
    ) {
        return respondError(res, {
            status: 400,
            code: "INVALID_HASH_PATH",
            message: "Invalid path for hash generation"
        });
    }

    return respondSuccess(res, { hash: hashAPIPath(rawQueryPath) });
});

export default ApiProxy;