defmodule Grizzly.ZWave.Commands.DefaultSetComplete do
@moduledoc """
Command to indicate the result of a `Grizzly.ZWave.Commands.DefaultSet`
operation
Params:
* `:seq_number` - the sequence number of the networked command (required)
* `:status` - the status of the default set operation (required)
"""
@behaviour Grizzly.ZWave.Command
alias Grizzly.ZWave
alias Grizzly.ZWave.{Command, DecodeError}
alias Grizzly.ZWave.CommandClasses.NetworkManagementBasicNode
@type status :: :done | :busy
@type param :: {:seq_number, ZWave.seq_number()} | {:status, status()}
@impl true
@spec new([param()]) :: {:ok, Command.t()}
def new(params) do
# TODO: validate params
command = %Command{
name: :default_set_complete,
command_byte: 0x07,
command_class: NetworkManagementBasicNode,
params: params,
impl: __MODULE__
}
{:ok, command}
end
@impl true
@spec encode_params(Command.t()) :: binary()
def encode_params(command) do
status = Command.param!(command, :status)
<<Command.param!(command, :seq_number), status_to_byte(status)>>
end
@impl true
@spec decode_params(binary()) :: {:ok, [param()]} | {:error, DecodeError.t()}
def decode_params(<<seq_number, status_byte>>) do
case status_from_byte(status_byte) do
{:ok, status} ->
{:ok, [seq_number: seq_number, status: status]}
{:error, _} ->
{:error, %DecodeError{param: :status, value: status_byte, command: :default_set_complete}}
end
end
@spec status_to_byte(status()) :: byte()
def status_to_byte(:done), do: 0x06
def status_to_byte(:busy), do: 0x07
@spec status_from_byte(byte()) :: {:ok, status()} | {:error, :unknown_status}
def status_from_byte(0x06), do: {:ok, :done}
def status_from_byte(0x07), do: {:ok, :busy}
def status_from_byte(_byte), do: {:error, :unknown_status}
end