class EditProfileViewModel @Inject constructor(private val userRepository: UserRepository) : ViewModel() {
    private val status = SingleLiveEvent<Status>()

    fun getStatus(): LiveData<Status> {
        return status
    }

    fun handleImage(intent: Intent?) {
        intent?.data?.let {
            avatar.value = it.toString()
        } ?: run { status.value = Status.INVALID_URI }
    }

    fun saveProfile() {
        validateData()
        user.value?.let {
            var photoUri: Uri? = null
            if (avatar.value != user.value?.avatar) {
                photoUri = Uri.parse(avatar.value)
            }
            disposable = userRepository.saveProfile(it, photoUri)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                 .subscribe({
                     status.value = it
                }, {
                     status.value = Status.SERVER_CONNECTION_ERROR
                })
            }
    }

    private fun validateData() {
        user.value?.let {
            if (it.firstName.isNullOrBlank()) {
                status.value = Status.EMPTY_FIRST_NAME
                return
            }
            if (it.lastName.isNullOrBlank()) {
                status.value = Status.EMPTY_LAST_NAME
                return
            }
            if (it.city == null || it.city?.name.isNullOrBlank()) {
                status.value = Status.EMPTY_CITY
                return
            }
    }
}