package drills.drill06.exercise4.actuator

import drills.drill06.exercise4.SensorNet
import org.apache.activemq.ActiveMQConnectionFactory
import javax.jms.Session
import javax.jms.TopicConnectionFactory

class TemperatureActuatorNode(
    private val uri: String,
    private val name: String,
    private val topicName: String,
    private val selector: String
) {
    private val actuator = Actuator(object : VirtualAction() {
        override fun getActionName(): String = name
    })

    init {
        actuator.start()
    }

    fun start() {
        val factory: TopicConnectionFactory = ActiveMQConnectionFactory(uri)
        val connection = factory.createTopicConnection()
        connection.start()

        val session = connection.createTopicSession(
            false,
            Session.AUTO_ACKNOWLEDGE
        )

        val topic = session.createTopic(topicName)
        val subscriber = session.createSubscriber(
            topic,
            "${SensorNet.PROPERTY} $selector",
            false
        )

        subscriber.setMessageListener {
            println("$name: ${it.getDoubleProperty("temperature")}")
            actuator.actuate()
        }
    }
}