fun PlayerServiceCore.initExoPlayerForPreRoll(): ExoPlayer {
    initExoPlayerListener()
    return ExoPlayer.Builder(this)
        .setSeekBackIncrementMs(20000)
        .setSeekForwardIncrementMs(20000)
        .setVideoScalingMode(C.VIDEO_SCALING_MODE_DEFAULT)
        .setTrackSelector(initDefaultTrackSelector())
        .setRenderersFactory(initRenderersFactory())
        .setAudioAttributes(initAudioAttributes(), true)
        .setHandleAudioBecomingNoisy(true)
        .setMediaSourceFactory(setMediaSourceForPreRoll())
        .build()
}

fun PlayerServiceCore.setMediaSourceForPreRoll(): DefaultMediaSourceFactory {
    Log.d(PLAYER_LOG, "(attached=${(MediaItemSettings.mBau as FrameLayout)?.isAttachedToWindow})")

    mImaDai = ImaServerSideAdInsertionMediaSource.AdsLoader.Builder(this, AdViewProvider {
        Log.d(PLAYER_LOG, "AdViewProvider.getAdViewGroup() called!")
        val container = MediaItemSettings.mBau as FrameLayout
        Log.d(PLAYER_LOG, "Container dimensions: ${container.width}x${container.height}")
        Log.d(PLAYER_LOG, "Container visibility: ${container.visibility}")
        Log.d(PLAYER_LOG, "Container attached: ${container.isAttachedToWindow}")
        container
    })
        .setAdEventListener { adEvent ->
            Log.d(PLAYER_LOG, "Ad event: ${adEvent.type}")
            Log.d(PLAYER_LOG, "Ad position: ${adEvent.ad?.adPodInfo?.adPosition} - ${adEvent.ad?.adPodInfo?.totalAds}")
            Log.d(PLAYER_LOG, "Ad title: ${adEvent.ad?.title}")
        }
        .setAdErrorListener { adError ->
            Log.d(PLAYER_LOG, "Ad ERROR: ${adError.error.message} / ${adError.error.errorCode} / ${adError.error.errorType}")
        }
        .setImaSdkSettings(ImaSdkFactory.getInstance().createImaSdkSettings().apply {
            isDebugMode = true
            playerType = "ExoPlayer"
            playerVersion = "1.7.1"
        })
        .build()

    Log.d(PLAYER_LOG, "mImaDai created: ${mImaDai != null}")

    val daiFactory = ImaServerSideAdInsertionMediaSource.Factory(mImaDai!!, DefaultMediaSourceFactory(this))
    Log.d(PLAYER_LOG, "DAI Factory created: ${daiFactory != null}")

    return DefaultMediaSourceFactory(this)
        .setDataSourceFactory(DefaultHttpDataSource.Factory().setAllowCrossProtocolRedirects(true))
        .setServerSideAdInsertionMediaSourceFactory(daiFactory)
    //        .setLocalAdInsertionComponents(
    //            this::initImaAds ,
    //            AdViewProvider {
    //                val container = MediaItemSettings.mBau as FrameLayout
    //                container
    //            }
    //        )
    }

    fun getDASH(nMediaData: MediaMetadata.Builder, nContent: String, nProxy: String): MediaItem {
          var mMediaItemDrmConfiguration = MediaItem.DrmConfiguration.Builder(C.WIDEVINE_UUID).apply {
            setLicenseUri(nProxy)
         }

        val mMediaItem = MediaItem.Builder()
            .setUri(nContent.toUri())
            .setMimeType(MimeTypes.APPLICATION_MPD)
            .setDrmConfiguration(mMediaItemDrmConfiguration.build())
            .setMediaMetadata(nMediaData.build())
            .setAdsConfiguration(
                MediaItem.AdsConfiguration.Builder(nContent.toUri())
                    .build()
            )

        val builtItem = mMediaItem.build()
        Timber.tag(PLAYER_LOG).d("MediaItem created with AdsConfiguration: ${builtItem.localConfiguration?.adsConfiguration != null}")

        return builtItem
    }