'use strict';

const util = require('util');

const STDOUT_PREFIX = 'TSAMURAI_STDOUT ';

function getCurrentTestName() {
  if (typeof expect !== 'function') return null;
  try {
    const state = expect.getState();
    if (state && state.currentTestName) {
      return String(state.currentTestName);
    }
  } catch (_err) {
    return null;
  }
  return null;
}

function emitStdout(name, args) {
  if (!name) return;
  const message = util.format(...args);
  if (message === '') return;
  process.stdout.write(`${STDOUT_PREFIX}${JSON.stringify({ jestName: name, output: message })}\n`);
}

function wrapConsoleMethod(method) {
  if (typeof console[method] !== 'function') return;
  const original = console[method].bind(console);
  console[method] = (...args) => {
    emitStdout(getCurrentTestName(), args);
    return original(...args);
  };
}

['log', 'info', 'warn', 'error', 'debug'].forEach(wrapConsoleMethod);