Fix continue watching advancing to the next episode before finishing the current one

app/src/main/java/com/lagradost/cloudstream3/ui/player/GeneratorPlayer.kt

@@ -1677,6 +1677,9 @@ class GeneratorPlayer : FullScreenPlayer() {
     }
 
     override fun nextEpisode() {
+        if (isAtVideoEnd()) {
+            saveCurrentAsCompleted()
+        }
         if (viewModel.hasNextEpisode() == true) {
             isNextEpisode = true
             releasePlayer()
@@ -1692,6 +1695,37 @@ class GeneratorPlayer : FullScreenPlayer() {
         }
     }
 
+    override fun onVideoEnded() {
+        context?.let { ctx ->
+            val autoplayNext = PreferenceManager.getDefaultSharedPreferences(ctx)
+                ?.getBoolean(ctx.getString(R.string.autoplay_next_key), true) == true
+            if (autoplayNext) return@let
+            saveCurrentAsCompleted()
+        }
+    }
+
+    private fun isAtVideoEnd(): Boolean {
+        val duration = player.getDuration() ?: return false
+        if (duration <= 0L) return false
+        val position = player.getPosition() ?: return false
+        return position >= duration - 1000
+    }
+
+    private fun saveCurrentAsCompleted() {
+        if ((currentMeta as? ResultEpisode)?.tvType?.isLiveStream() == true) return
+        if ((currentMeta as? ResultEpisode)?.tvType == TvType.NSFW) return
+        val duration = player.getDuration() ?: return
+        if (duration <= 0L) return
+        DataStoreHelper.setViewPosAndResume(
+            viewModel.state.generatorState?.id,
+            duration,
+            duration,
+            currentMeta,
+            nextMeta,
+            completed = true,
+        )
+    }
+
     private fun getNextLink(): DisplayLink? {
         val links = viewModel.state.sortLinks(currentQualityProfile)
         val currentIndex = links.indexOfFirst { it.link == currentSelectedLink }

app/src/main/java/com/lagradost/cloudstream3/ui/player/PlayerView.kt

@@ -115,6 +115,7 @@ class PlayerView @JvmOverloads constructor(
         fun nextEpisode() {}
         fun prevEpisode() {}
         fun playerPositionChanged(position: Long, duration: Long) {}
+        fun onVideoEnded() {}
         fun playerStatusChanged() {}
         fun playerDimensionsLoaded(width: Int, height: Int) {}
         fun subtitlesChanged() {}
@@ -772,6 +773,7 @@ class PlayerView @JvmOverloads constructor(
                 duration = event.durationMs
             )
             is VideoEndedEvent -> {
+                callbacks?.onVideoEnded()
                 // Only play next episode if autoplay is on (default).
                 val ctx = context
                 if (PreferenceManager.getDefaultSharedPreferences(ctx)

app/src/main/java/com/lagradost/cloudstream3/utils/DataStoreHelper.kt

@@ -26,7 +26,6 @@ import com.lagradost.cloudstream3.syncproviders.SyncAPI
 import com.lagradost.cloudstream3.ui.WatchType
 import com.lagradost.cloudstream3.ui.library.ListSorting
 import com.lagradost.cloudstream3.ui.player.ExtractorUri
-import com.lagradost.cloudstream3.ui.player.NEXT_WATCH_EPISODE_PERCENTAGE
 import com.lagradost.cloudstream3.ui.result.EpisodeSortType
 import com.lagradost.cloudstream3.ui.result.ResultEpisode
 import com.lagradost.cloudstream3.ui.result.VideoWatchState
@@ -705,7 +704,14 @@ object DataStoreHelper {
      * Sets the position, duration, and resume data of an episode/movie,
      * If nextEpisode is not specified it will not be able to set the next episode as resumable if progress > NEXT_WATCH_EPISODE_PERCENTAGE
      */
-    fun setViewPosAndResume(id: Int?, position: Long, duration: Long, currentEpisode: Any?, nextEpisode: Any?) {
+    fun setViewPosAndResume(
+        id: Int?,
+        position: Long,
+        duration: Long,
+        currentEpisode: Any?,
+        nextEpisode: Any?,
+        completed: Boolean = false,
+    ) {
         setViewPos(id, position, duration)
         if (id != null) {
             when (val meta = currentEpisode) {
@@ -717,10 +723,8 @@ object DataStoreHelper {
             }
         }
 
-        val percentage = position * 100L / duration
-        val nextEp = percentage >= NEXT_WATCH_EPISODE_PERCENTAGE
-        val resumeMeta = if (nextEp) nextEpisode else currentEpisode
-        if (resumeMeta == null && nextEp) {
+        val resumeMeta = if (completed) nextEpisode else currentEpisode
+        if (resumeMeta == null && completed) {
             // remove last watched as it is the last episode and you have watched too much
             when (val newMeta = currentEpisode) {
                 is ResultEpisode -> {