companion object {
    private const val BASE_URL = "https://baseUrl/"
    fun create(): TestApi {
        val logger = HttpLoggingInterceptor(HttpLoggingInterceptor.Logger {
            Log.d("API", it + Thread.currentThread().name)
        })
        logger.level = HttpLoggingInterceptor.Level.BASIC

        val client = OkHttpClient.Builder()
            .addInterceptor(logger)
            .build()
        return Retrofit.Builder()
            .baseUrl(HttpUrl.parse(BASE_URL)!!)
            .client(client)
            .addConverterFactory(GsonConverterFactory.create())
            .addCallAdapterFactory(LiveDataCallAdapterFactory())
            .build()
            .create(TestApi::class.java)
    }
}

fun getTest(): RetrofitLiveData<ApiResponse<TestApi.MyResponse>> {
    return TestApi.create().getTest()
}

companion object {
    @Volatile
    private var instance: MainRepository? = null

    fun getInstance() = instance ?: synchronized(this) {
        instance ?: MainRepository().also { instance = it }
    }

}

private var mTestRefresh: IApiRefresh? = null

private val viewModel: MainViewModel by viewModels {
    InjectorUtils.provideMainViewModelFactory()
}

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

    val tv: TextView = findViewById(R.id.tv)

    viewModel.testLiveData.observe(this) { result ->
        Log.d("MainActivity", "$result")
        tv.setText(result.toString())
    }

    mTestRefresh = viewModel.testLiveData
    tv.setOnClickListener {
        refreshData()
    }
}

private fun refreshData() {
    mTestRefresh?.refresh()
}