/**
 * Basic activity that runs flexible update
 */
class FlexibleUpdateActivity : AppCompatActivity(), AppUpdateView {
    /**
     * Update flow
     */
    private lateinit var updateWrapper: AppUpdateWrapper

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        // Creates flexible update flow that (if cancelled) will ask again tomorrow
        updateWrapper = startFlexibleUpdate(
            AppUpdateManagerFactory.create(this.applicationContext),
            this,
            UpdateFlowBreaker.forOneDay(getSharedPreferences("uiState", Context.MODE_PRIVATE))
        )
    }

    // Passes an activity result to wrapper to check for play-core interaction
    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)
        if (updateWrapper.checkActivityResult(requestCode, resultCode)) {
            // Result handled and processed
            return
        }
        // Process your request codes
    }

    /********************************/
    /* AppUpdateView implementation */
    /********************************/

    // AppUpdateManager needs your activity to start dialogs
    override val activity: Activity get() = this

    // Update is downloaded and ready to install
    override fun updateReady() {
        // Display confirmation dialog of your choice and complete update...
        updateWrapper.userConfirmedUpdate()
        // ...or cancel it
        updateWrapper.userCanceledUpdate()
    }

    // Update check critical error (effective for IMMEDIATE flow)
    override fun updateFailed(e: Throwable) {
        Toast.makeText(this, "Update failed", Toast.LENGTH_SHORT).show()
        finish()
    }
}