require_relative "operations"

Dir[File.join(__dir__.to_s, "commands", "**", "*.rb")].each do |file|
  load file
end

class Modbus::Service
  include Modbus::Operations
  include Modbus::Commands

  def initialize(type:, start_address:, end_address: nil, value: nil)
    @type = type
    @start_address = start_address.to_i
    @end_address = end_address&.to_i
    @value = value
    @slave_id = 1
    @plc_host = "rubyon.co.kr"
    @plc_port = 502
  end

  def execute
    ModBus::TCPClient.new(@plc_host, @plc_port) do |client|
      client.with_slave(@slave_id) do |slave|
        method_name = @type.strip
        # Commands 모듈에 정의된 메서드만 허용
        if Modbus::Commands.instance_methods(false).include?(method_name.to_sym)
          return send(method_name, slave)
        else
          available_commands = Modbus::Commands.instance_methods(false).sort.map(&:to_s)
          command_list = available_commands.join("\r\n")
          raise ArgumentError, "지원되지 않는 type: #{@type}\r\n사용 가능한 명령어 목록:\r\n#{command_list}"
        end
      end
    end
  rescue => e
    Rails.logger.error "[#{Time.current}] Service 오류: #{e.message}"
  end
end