class ModbusController < ApplicationController
  def index
    @schedule = Schedule.all
    @modbus_running = Modbus::PollingService.running?
  end

  def destroy
    schedule = Schedule.find_by(id: params[:id])

    if schedule.destroy
      redirect_to schedule_edit_modbus_index_path, notice: "스케줄이 삭제되었습니다."
    else
      redirect_to schedule_edit_modbus_index_path, alert: "스케줄 삭제에 실패했습니다."
    end
  end

  def start
    Modbus::PollingService.start
    redirect_to modbus_index_path
  end

  def stop
    Modbus::PollingService.stop
    redirect_to modbus_index_path
  end

  def schedule_edit
    @schedule = Schedule.all
  end

  def schedule_edit_update
    error_time = []

    params[:schedule].each do |id, attributes|
      schedule = Schedule.find_by(id: id)
      unless schedule.update(
        hour:        attributes[:hour],
        minute:      attributes[:minute],
        is_active:   attributes[:is_active],
        temperature: attributes[:temperature]
      )

        error_time << "#{schedule.hour}시 #{schedule.minute}분"
      end
    end

    if error_time.any?
      redirect_to modbus_index_path, alert: "#{error_time.join(', ')}의 온도 업데이트에 실패하였습니다."
    else
      redirect_to modbus_index_path, notice: "스케줄이 성공적으로 업데이트되었습니다."
    end
  end
end