// Extending BaseActivity will automatically register and unregister the presenter to the bus whenever your activity get resumed or paused
class FeatureActivity : BaseActivity<FeaturePresenter>() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.feature_activity)

        presenter = FeaturePresenter(
                FeatureView(this),
                FeatureModel()
        )
    }
}

// Extending BaseActivity will automatically register and unregister the presenter to the bus whenever your activity get resumed or paused
class FeatureFragment : BaseFragment<FeaturePresenter>() {
    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return inflater.inflate(R.layout.fragment_example, container, false)
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)

        presenter = FeaturePresenter(
                FeatureView(this),
                FeatureModel()
        )
    }
}

// Extending BaseActivity will automatically register and unregister the presenter to the bus whenever your activity get resumed or paused
class FeatureActivity : AppCompatActivity() {
    private lateinit var presenter: FeaturePresenter
    private var bus = Bus.newInstance

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.feature_activity)

        presenter = FeaturePresenter(
                FeatureView(this),
                FeatureModel(),
                bus
        )
    }

    override fun onResume() {
        super.onResume()
        bus.register(presenter)
    }

    override fun onPause() {
        bus.unregister(presenter)
        super.onPause()
    }
}

// Extending BaseActivity will automatically register and unregister the presenter to the bus whenever your activity get resumed or paused
class FeatureFragment : Fragment() {
    private lateinit var presenter: FeaturePresenter
    private var bus = Bus.newInstance

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        return inflater.inflate(R.layout.fragment_example, container, false)
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)

        presenter = FeaturePresenter(
                FeatureView(this, bus),
                FeatureModel(bus)
        )
    }

    override fun onResume() {
        super.onResume()
        bus.register(presenter)
    }

    override fun onPause() {
        bus.unregister(presenter)
        super.onPause()
    }
}

class FeaturePresenter(view: FeatureView, model: FeatureModel) : BaseActivityPresenter<FeatureView, FeatureModel>(view, model) {
    //...
}

class FeatureView(activity: FeatureActivity) : BaseActivityView(activity) {
    //...
}

class FeatureModel : BaseEventsModel() {
    //...
}

class FeaturePresenter(view: FeatureView, model: FeatureModel) : BaseActivityPresenter<FeatureView, FeatureModel>(view, model) {
    // Event posted by the view
    @Subscribe
    fun onActionClicked(event: FeatureView.ActionClickedEvent) {
        view.setTextValue("Executing background task...")
        model.doSomethingInBackground()
    }

    // Event posted by the model
    @Subscribe
    fun onBackgroundTaskCompleted(event: FeatureModel.BackgroundTaskCompletedEvent) {
        view.setTextValue("Background task completed")
    }
}

class FeatureView(activity: AppCompatActivity) : BaseActivityView(activity) {
    private var textView: TextView = activity.findViewById(R.id.text)

    init {
        // Helper library method to handle click event
        onClick(R.id.some_button, ActionClickedEvent())
        
        // Optionally you can do
        activity.findViewById<View>(R.id.some_button)?.setOnClickListener {
            bus.post(ActionClickedEvent())
        }
    }

    fun setTextValue(value: CharSequence) {
        textView.text = value
    }

    class ActionClickedEvent
}

import com.nerdscorner.mvplib.events.model.BaseEventsModel

class FeatureModel : BaseEventsModel() {
    fun doSomethingInBackground() {
        backendCall().execute {
            success = {
                bus.post(BackgroundTaskCompletedEvent())
            }
        }
    }

    class BackgroundTaskCompletedEvent
}