// =============================================================================
// Shelly 1PM Detached Script v3.7
// Native click events + custom emergency
// =============================================================================

var CONFIG = {
  channels: [
    { inputId: 0, outputId: 0 }
  ],

  EMERGENCY_COUNT: 5,
  EMERGENCY_WINDOW_MS: 2500,

  names: {
    single: "single",
    double: "double",
    triple: "triple",
    long: "long",
    emergency: "emergency"
  }
};

var deviceInfo = Shelly.getDeviceInfo();
var deviceName = (deviceInfo.name && deviceInfo.name !== "")
  ? deviceInfo.name
  : deviceInfo.model + " " + deviceInfo.id;

for (var ci = 0; ci < CONFIG.channels.length; ci++) {
  var inputCfg = Shelly.getComponentConfig("input:" + CONFIG.channels[ci].inputId);
  CONFIG.channels[ci].name = (inputCfg && inputCfg.name && inputCfg.name !== "")
    ? inputCfg.name
    : "Channel " + (ci + 1);
}

var chState = [];
for (var si = 0; si < CONFIG.channels.length; si++) {
  chState.push({
    emergencyCount: 0,
    emergencyTimer: null,
    emergencyLocked: false
  });
}

function fireEvent(chIndex, logicalType, toggles) {
  var ch = CONFIG.channels[chIndex];
  var eventType = CONFIG.names[logicalType] || logicalType;

  print(">>> " + ch.name + ": " + eventType +
        " (" + JSON.stringify(toggles) + " toggles)");

  Shelly.emitEvent("toggle_event", {
    input: ch.inputId,
    input_name: ch.name,
    output: ch.outputId,
    device: deviceName,
    type: eventType,
    logical_type: logicalType,
    toggles: toggles
  });
}

function resetEmergency(chIndex) {
  var s = chState[chIndex];
  s.emergencyCount = 0;
  s.emergencyLocked = false;

  if (s.emergencyTimer !== null) {
    Timer.clear(s.emergencyTimer);
    s.emergencyTimer = null;
  }
}

function registerEmergency(chIndex) {
  var s = chState[chIndex];

  if (s.emergencyLocked) return;

  if (s.emergencyCount === 0) {
    s.emergencyTimer = Timer.set(CONFIG.EMERGENCY_WINDOW_MS, false, function() {
      print("[Emergency] Timeout " + CONFIG.channels[chIndex].name +
            " after " + JSON.stringify(s.emergencyCount) + " clicks");
      resetEmergency(chIndex);
    });
  }

  s.emergencyCount += 1;

  print("[Emergency] " + CONFIG.channels[chIndex].name +
        ": " + JSON.stringify(s.emergencyCount) +
        "/" + JSON.stringify(CONFIG.EMERGENCY_COUNT));

  if (s.emergencyCount >= CONFIG.EMERGENCY_COUNT) {
    s.emergencyLocked = true;

    if (s.emergencyTimer !== null) {
      Timer.clear(s.emergencyTimer);
      s.emergencyTimer = null;
    }

    fireEvent(chIndex, "emergency", s.emergencyCount);

    Timer.set(1000, false, function() {
      resetEmergency(chIndex);
    });
  }
}

Shelly.addEventHandler(function(event) {
  if (event.component === undefined) return;
  if (event.info === undefined) return;

  var chIndex = -1;

  for (var i = 0; i < CONFIG.channels.length; i++) {
    if (event.component === ("input:" + CONFIG.channels[i].inputId)) {
      chIndex = i;
      break;
    }
  }

  if (chIndex === -1) return;

  var signal = null;

  if (event.info.event !== undefined) {
    signal = event.info.event;
  } else if (event.info.state !== undefined) {
    signal = event.info.state;
  } else {
    return;
  }

  if (signal === "btn_down") {
    print("[Count] " + CONFIG.channels[chIndex].name + " = btn_down");
    registerEmergency(chIndex);
    return;
  }

  if (signal === "btn_up") {
    print("[Ignored] " + CONFIG.channels[chIndex].name + " = btn_up");
    return;
  }

  if (signal === "single_push") {
    fireEvent(chIndex, "single", 1);
    return;
  }

  if (signal === "double_push") {
    fireEvent(chIndex, "double", 2);
    return;
  }

  if (signal === "triple_push") {
    fireEvent(chIndex, "triple", 3);
    return;
  }

  if (signal === "long_push") {
    fireEvent(chIndex, "long", 1);
    return;
  }

  print("[Ignored] " + CONFIG.channels[chIndex].name +
        " = " + JSON.stringify(signal));
});

print("=== Shelly 1PM Detached v3.7 ===");
print("Device: " + deviceName);
print("Mode: native click events + custom emergency");
print("Emergency: " + CONFIG.EMERGENCY_COUNT + " clicks / " +
      CONFIG.EMERGENCY_WINDOW_MS + "ms");

for (var pi = 0; pi < CONFIG.channels.length; pi++) {
  var ch = CONFIG.channels[pi];
  print("  " + ch.name +
        " input:" + ch.inputId +
        " -> output:" + ch.outputId);
}

print("[Script] Active");