import {
    createContainer,
    getContainers,
    getBlobs,
    createBlob,
    uploadFile,
    deleteBlob,
    downloadFile,
} from "../../../actions/azurestorage";
import { BlobServiceClient, ContainerClient } from "@azure/storage-blob";
import {
    DefaultAzureCredential,
    InteractiveBrowserCredential,
    EnvironmentCredential,
    ClientSecretCredential,
} from "@azure/identity";

import middleware from "../middleware/middleware";
import nextConnect from "next-connect";
import CryptoJS from "crypto-js";
import { hashAPIPath } from "../../../actions";

const WORDKEY = process.env.HASHKEY;

const ApiProxy = nextConnect();

ApiProxy.use(middleware);

ApiProxy.get(async (req, res) => {
    var containerName = req.query.container;
    var blobName = req.query.blobname;
    var checkHash = req.query.hash;

    var checkquerypath =
        "/api/file/downloadblob?container=" +
        containerName +
        "&blobname=" +
        blobName;

    if (hashAPIPath(checkquerypath) == "&hash=" + checkHash) {
        const downloaded = await downloadFile(containerName, blobName);

        res.setHeader(
            "content-disposition",
            "attachment; filename=" + blobName
        );
        return res.status(200).send(downloaded);
    } else {
        return res.status(400).json();
    }
});

async function streamToBuffer(readableStream) {
    return new Promise((resolve, reject) => {
        const chunks = [];
        readableStream.on("data", (data) => {
            chunks.push(data instanceof Buffer ? data : Buffer.from(data));
        });
        readableStream.on("end", () => {
            resolve(Buffer.concat(chunks));
        });
        readableStream.on("error", reject);
    });
}

export const config = {
    api: {
        bodyParser: false,
    },
};

export default ApiProxy;