let startMonitor = false;
let lastRun = false;
let aEnergy = 0;

Shelly.addEventHandler(function (event, user_data) {
  if (event.component ==="switch:0")
  {
  //print(JSON.stringify(event));
  if (event.info.event === "toggle") {
    if (event.info.state) {
      startMonitor = true;
      eAccumulator = 0;
    } else {
      startMonitor = false;
    }
    print("Monitor: " + startMonitor);
  }
  }
}, null);

Shelly.addStatusHandler(function (event, user_data) 
{
  //print(JSON.stringify(event));
  if (typeof event.delta.aenergy !== "undefined") 
  {
    if (startMonitor || lastRun) 
    {
      lastRun = startMonitor;
      
      Shelly.call
      (
          "KVS.Get", { key: "mWh" }, function (result, code, msg, ud) 
          {
            aEnergy = Number(result.value);
            KVS_Set("mWh", (aEnergy + event.delta.aenergy.by_minute[0]));
            print("Consumed: " + ((aEnergy + event.delta.aenergy.by_minute[0]) / 1000) + "Wh");
            KVS_Set("Consumed", ((aEnergy + event.delta.aenergy.by_minute[0]) / 1000) + "Wh -- !Set mWh to 0 for measure reset!");

          },
        null 
      );
    }
  }
}, null);

function KVS_Set (keyd, datad) 
{
    Shelly.call(
          "KVS.Set", { key: keyd, value: datad },
          function (result, code, msg, ud) {},
          null
        );
}