module AutovoiceCommand

# File lib/autovoice/command.rb, line 19
def parse(args)
  text = args.to_s.strip
  return { action: :status } if text.empty?

  case text.downcase
  when "on"
    { action: :on }
  when "off"
    { action: :off }
  when "status"
    { action: :status }
  when "now"
    { action: :now }
  else
    parse_interval(text) || { error: USAGE }
  end
end

# File lib/autovoice/command.rb, line 37
def parse_interval(text)
  match = text.match(/\Ainterval\s+(\d+)\z/i)
  return nil unless match

  minutes = AutovoiceStore.clamp_interval(match[1])
  return { error: "Interval must be between #{AutovoiceStore::MIN_INTERVAL_MIN} and #{AutovoiceStore::MAX_INTERVAL_MIN} minutes." } if minutes != match[1].to_i

  { action: :interval, minutes: minutes }
end

# File lib/autovoice/command.rb, line 15
def usage_message
  USAGE
end