defmodule Grizzly.ZWave.Commands.BarrierOperatorReport do
@moduledoc """
This command is used to advertise the status of the barrier operator device.
Params:
* `:state` - The current state of the device
"""
@behaviour Grizzly.ZWave.Command
alias Grizzly.ZWave.{Command, DecodeError}
alias Grizzly.ZWave.CommandClasses.BarrierOperator
@type param :: {:state, BarrierOperator.state()}
@impl Grizzly.ZWave.Command
@spec new([param()]) :: {:ok, Command.t()}
def new(params) do
command = %Command{
name: :barrier_operator_report,
command_byte: 0x03,
command_class: BarrierOperator,
params: params,
impl: __MODULE__
}
{:ok, command}
end
@impl Grizzly.ZWave.Command
@spec encode_params(Command.t()) :: binary()
def encode_params(command) do
state = Command.param!(command, :state)
state_byte = BarrierOperator.state_to_byte(state)
<<state_byte>>
end
@impl Grizzly.ZWave.Command
@spec decode_params(binary()) :: {:ok, [param()]} | {:error, DecodeError.t()}
def decode_params(<<state_byte>>) do
case BarrierOperator.state_from_byte(state_byte) do
{:ok, state} ->
{:ok, [state: state]}
{:error, %DecodeError{} = decode_error} ->
{:error, %DecodeError{decode_error | command: :barrier_operator_report}}
end
end
end