GenericInheritance

import UIKit


class BaseViewModel {
    let service: String
    
    init(service: String) {
        self.service = service
    }

    func baseVieModelFunction() {
        print("BaseViewModel")
    }
}

class CameraViewModel: BaseViewModel {
    override func baseVieModelFunction() {
        super.baseVieModelFunction()
        print("CameraViewModel")
    }
    
    func cameraViewModelOwn() {
        print("CameraViewModelOwnFun")
    }
}

class PhoneViewModel: BaseViewModel {
    override func baseVieModelFunction() {
        print("Phone baseFunction")
    }
    
    func PhoneViewModelOwnFunc() {
        print("PhoneViewModelOwnFun")
    }
}

class BaseController<T: BaseViewModel> {
    let viewModel: T
    
    init(viewModel: T) {
        self.viewModel = viewModel
    }
    
    func baseFunction() {
        print("base  Function")
    }
}

class CameraController: BaseController<CameraViewModel> {
    
    init(cameraViewModel: CameraViewModel) {
        super.init(viewModel: cameraViewModel)
    }
    
    override func baseFunction() {
        super.baseFunction()
        print("Camera baseFunction")
    }
}

class PhoneController: BaseController<BaseViewModel> {
       
    init(phoneViewModel: PhoneViewModel) {
        super.init(viewModel: phoneViewModel)
    }
    
    override func baseFunction() {
        print("Phone baseFunction")
    }
}

let cameraController = CameraController(cameraViewModel: CameraViewModel(service: "Camera Service"))
cameraController.baseFunction()
cameraController.viewModel.cameraViewModelOwn()
cameraController.viewModel.baseVieModelFunction()

let phone = PhoneController(phoneViewModel: PhoneViewModel(service: "Phone service"))
phone.baseFunction()
phone.viewModel.baseVieModelFunction()