package drills.drill06.exercise4.sensor

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

class TemperatureSensorNode(val id: Int, val uri: String, val topicName: String) {
    private val sampler: Sampler<Double> =
        SampleGenerator(id)

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

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

        val topic = session.createTopic(topicName)
        val publisher = session.createPublisher(topic)

        val msg = session.createMessage()

        while (true) {
            val sample = sampler.getSample()
            msg.setDoubleProperty(SensorNet.PROPERTY, sample)
            publisher.publish(msg)

            println("Sensor-$id: $sample")

            Thread.sleep(2000)
        }
    }
}

fun main() {
    TemperatureSensorNode(
        0,
        SensorNet.URI,
        SensorNet.TOPIC
    ).start()
}