!752

static volatile long startedWatching, endedWatching;
static volatile double currentValue, lastValue;
static volatile double minValue = Double.MAX_VALUE, maxValue = Double.MIN_VALUE;

static volatile double avgSum, deltaAvgSum;
static volatile long avgCount, deltaAvgCount;
static volatile long maxRuntime;
static volatile long n;
static volatile boolean actuallyEnded;

p {
  thread {
    print("Started watching.");
    startedWatching = now();
    while (licensed()) {
      ++n;
      endedWatching = now();
      currentValue = callIt();
      long runtime = now()-endedWatching;
      if (n > 1) {
        deltaAvgSum += currentValue-lastValue;
        deltaAvgCount++;
      }
      lastValue = currentValue;
      if (runtime > maxRuntime) maxRuntime = runtime;
      if (currentValue < minValue) minValue = currentValue;
      if (currentValue > maxValue) maxValue = currentValue;
      avgCount++;
      avgSum += currentValue;
      sleepSeconds(1); // TODO: sleep until specific time
    }
    print("Done watching.");
    actuallyEnded = true;
  }
}

static double callIt() {
  ret unixTime();
}

static S html() {
  new L l;
  for (S field : listFields(getMainClass())) {
    S value = "(Error getting value)";
    pcall {
      value = structure(get(getMainClass(), field));
    }
    l.add(litmap("Field", field, "Value", value));
  }
  ret "<h4>Variables</h4>" + htmlTable(l);
}