feat(player): Optimize the subtitle switching logic

Author: Jankin-Wu

composeApp/src/commonMain/kotlin/com/jankinwu/fntv/client/data/model/PlayingInfoCache.kt

@@ -28,4 +28,5 @@ data class PlayingInfoCache(
     var currentSubtitleStreamList: List<SubtitleStream>? = null,
     var isUseDirectLink: Boolean = false,
     var isEpisode: Boolean = false,
+    var previousSubtitle: SubtitleStream? = null,
 )

composeApp/src/commonMain/kotlin/com/jankinwu/fntv/client/ui/screen/PlayerScreen.kt

@@ -496,7 +496,9 @@ fun PlayerOverlay(
                             // Reload HLS subtitle repository to fetch new segments
                             hlsSubtitleUtil?.reload()
                             // Don't restart playback for internal subtitles
-                            shouldStartPlayback = false
+                            if (cache.previousSubtitle?.isExternal == 0) {
+                                shouldStartPlayback = false
+                            }
                         }
                     } catch (e: Exception) {
                         logger.w("ResetSubtitle: Failed to parse m3u8: ${e.message}")
@@ -1050,6 +1052,7 @@ fun PlayerOverlay(
                         if (cache != null) {
                             playerViewModel.updatePlayingInfo(
                                 cache.copy(
+                                    previousSubtitle = cache.currentSubtitleStream,
                                     currentSubtitleStream = subtitle
                                 )
                             )

composeApp/src/commonMain/kotlin/com/jankinwu/fntv/client/utils/HlsSubtitleUtil.kt

@@ -60,10 +60,10 @@ class HlsSubtitleUtil(
             }
 
             return client.get(fullUrl) {
-                if (AccountDataCache.cookieState.isNotBlank()) {
-                    header("cookie", AccountDataCache.cookieState)
-                    header("Authorization", AccountDataCache.authorization)
-                }
+//                if (AccountDataCache.cookieState.isNotBlank()) {
+//                    header("cookie", AccountDataCache.cookieState)
+//                    header("Authorization", AccountDataCache.authorization)
+//                }
             }.bodyAsText()
         }