// Called on server initialization
function onInit() {
  console.log("server started");

  // Register RPC exposed methods
  rpc.register("echo", echo);
  rpc.register("throwErrorFromClient", throwError);

  rpc.register("add", add);
  rpc.register("reset", reset);
  rpc.register("total", total);
}

// Called for each client message
function onClientMessage(ctx, data) {
  var sessionId = context.get(ctx, context.SESSION_ID);
  console.log("onClientMessage", sessionId, data.now);
  net.send(ctx, { now: data.now });
}

// Called for each blob upload request
function onBlobUpload(ctx, blobId, blobInfo, metadata) {
  console.log("onBlobUpload", blobId, blobInfo, metadata);

  if (!blobInfo.contentType == "application/json") return { allow: false };
  if (!blobInfo.filename == "blob") return { allow: false };

  return { allow: true, bucket: "test-bucket" };
}

// Called for each blob download request
function onBlobDownload(ctx,  bucket, blobId) {
  console.log("onBlobDownload", bucket, blobId);
  return { allow: true };
}

// RPC methods

function echo(ctx, params) {
  console.log("echoing", params);
  return params;
}

function throwError(ctx, params) {
  throw new Error("oh no !");
}

var count = 0;

function add(ctx, params) {
  console.log("add", params);
  count += params.value;
  return count;
}

function reset(ctx, params) {
  count = 0;
}

function total(ctx, params) {
  return count;
}