import { objAsString } from "@lumeweb/libweb";

// logHelper is a helper function that runs the code for both log and logErr.
// It takes a boolean indiciating whether the log should be an error, and then
// it stringifies all of the reamining inputs and sends them to the kernel in a
// log message.
function logHelper(isErr: boolean, ...inputs: any) {
  let message = "";
  for (let i = 0; i < inputs.length; i++) {
    if (i !== 0) {
      message += "\n";
    }
    message += objAsString(inputs[i]);
  }
  postMessage({
    method: "log",
    data: {
      isErr,
      message,
    },
  });
}

// log is a helper function to send a bunch of inputs to the kernel serialized
// as a log message. Note that any inputs which cannot be stringified using
// JSON.stringify will be substituted with a placeholder string indicating that
// the input could not be stringified.
function log(...inputs: any) {
  console.log(...inputs);
  logHelper(false, ...inputs);
}

// logErr is a helper function to send a bunch of inputs to the kernel
// serialized as an error log message. Note that any inputs which cannot be
// stringified using JSON.stringify will be substituted with a placeholder
// string indicating that the input could not be stringified.
function logErr(...inputs: any) {
  console.error(...inputs);
  logHelper(true, ...inputs);
}

export { log, logErr };