require("dotenv").config();
const { BlobServiceClient } = require("@azure/storage-blob");
// const { v1: uuidv1 } = require("uuid");

async function azureblob(idnow, imageto, imageb64) {
  const AZURE_STORAGE_CONNECTION_STRING = process.env.AZURE_BLOB_ACCESS;
  if (!AZURE_STORAGE_CONNECTION_STRING) {
    throw Error("Azure Storage Connection string not found");
  }

  // Create the BlobServiceClient object which will be used to create a container client
  const blobServiceClient = BlobServiceClient.fromConnectionString(
    AZURE_STORAGE_CONNECTION_STRING
  );

  const containerName = imageto;
  const blobName = idnow + ".jpeg";

  // To Create New container
  // console.log(containerClient);
  //   const createContainerResponse = await containerClient.create();
  //   console.log(
  //     "Container was created successfully. requestId: ",
  //     createContainerResponse.requestId
  //   );

  var FormData = require("form-data");
  var fs = require("fs");
  if (imageto && idnow) {
    try {
      const containerClient =
        blobServiceClient.getContainerClient(containerName);

      // It convert to base64 which like i will send
      // const ifileSelected = fs.readFileSync(
      //   "../assets/mess_default_image.jpeg",
      //   { encoding: "base64" }
      // );
      let ifileSelected = imageb64;

      // Converting that img to buffer and using it
      let bufferObj = Buffer.from(ifileSelected, "base64");
      let finalbuffer = Buffer.from(bufferObj, "utf8");

      // console.log("final trial", finalbuffer);

      const blockBlobClient = containerClient.getBlockBlobClient(blobName);
      // console.log("\nUploading to Azure storage as blob:\n\t", blobName);

      const blobOptions = {
        blobHTTPHeaders: { blobContentType: "image/jpeg" },
      };
      const uploadBlobResponse = await blockBlobClient.upload(
        finalbuffer,
        finalbuffer.length,
        blobOptions
      );
      console.log(
        "Blob of ",
        idnow,
        " uploaded successfully. \nrequestId: ",
        uploadBlobResponse.requestId,
        " at ",
        imageto
      );
    } catch (err) {
      console.log("There is some error:", err);
    }
  } else {
    console.log("Image Not Uploaded");
  }

  // console.log("\nListing blobs...")
  // List the blob(s) in the container.
  // for await (const blob of containerClient.listBlobsFlat()) {
  // console.log("\t", blob.name);
  // }

  // Delete container
  //   console.log("\nDeleting container...");
  //   const deleteContainerResponse = await containerClient.delete();
  //   console.log(
  //     "Container was deleted successfully. requestId: ",
  //     deleteContainerResponse.requestId
  //   );
}

// It auto run when called
// azureblob()
//   .then(() => console.log("Done"))
//   .catch((ex) => console.log("I'm exception: ", ex.message));

module.exports = { azureblob };