init.lua

-- Copyright 2026 SmartThings, Inc.
-- Licensed under the Apache License, Version 2.0


local zcl_clusters = require "st.zigbee.zcl.clusters"
local capabilities = require "st.capabilities"
local button_utils = require "button_utils"
local log = require "log"

local IASZone = zcl_clusters.IASZone
local PRIVATE_CMD_ID = 0xF1

local function ias_zone_private_cmd_handler(self, device, zb_rx)
  local cmd_data = zb_rx.body.zcl_body.body_bytes:byte(1)
  if cmd_data == 0 then
    device:emit_event(capabilities.button.button.pushed({state_change = true}))
  elseif cmd_data == 1 then
    device:emit_event(capabilities.button.button.double({state_change = true}))
  elseif cmd_data == 0x80 then
    device:emit_event(capabilities.button.button.held({state_change = true}))
  else
    log.info("ias_zone_private_cmd Unknown value",zb_rx.body.zcl_body.body_bytes:byte(1))
  end
end

local function added_handler(self, device)
  device:emit_event(capabilities.button.supportedButtonValues({"pushed","double","held"}, {visibility = { displayed = false }}))
  device:emit_event(capabilities.button.numberOfButtons({value = 1}, {visibility = { displayed = false }}))
  button_utils.emit_event_if_latest_state_missing(device, "main", capabilities.button, capabilities.button.button.NAME, capabilities.button.button.pushed({state_change = false}))
end

local MultiIR_Emergency_Button = {
  NAME = "MultiIR Emergency Button",
  lifecycle_handlers = {
    added = added_handler,
  },
  zigbee_handlers = {
    cluster = {
      [IASZone.ID] = {
        [PRIVATE_CMD_ID] = ias_zone_private_cmd_handler
      }
    }
  },
  sub_drivers = {},
  can_handle = require("MultiIR.can_handle"),
}

return MultiIR_Emergency_Button