DI.kt

import no.eirikb.gutsu.Gutsu

class DataDesk {
    fun sendMessage(text: String) {
        println("${hashCode()}: Sending message: $text")
    }
}

class PumpView(private val pumpService: PumpService) {
    init {
        clickPumpStart()
    }

    fun updateLabel(text: String) {
        println("Update label: $text")
    }

    private fun clickPumpStart() {
        pumpService.startPump()
    }
}

class ThrusterPanel(pumpView: PumpView)

class MainPanel(thrustPanel: ThrusterPanel)

class PumpService(private val dataDesk: DataDesk) {
    fun startPump() {
        dataDesk.sendMessage("PUMP_START")
    }
}

class PumpController(dataDesk: DataDesk, view: PumpView) {
    init {
        view.updateLabel("Hello from controller")
        println("Data desk id in controller: ${dataDesk.hashCode()}")
    }
}

class App(mainPanel: MainPanel, dataDesk: DataDesk, controller: PumpController)

fun main() {
    val gutsu = Gutsu()
    gutsu.getInstance(App::class.java)
}