From 5347dbdff0d82d11196b455d0aef8d34613b86b0 Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Sun, 19 Feb 2023 13:50:15 +0800
Subject: [PATCH] fix a bug with clear segments

---
 src/App.jsx              |  2 +-
 src/hooks/useSegments.js | 16 ++++++++++------
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/App.jsx b/src/App.jsx
index 85bf4901..a07bc665 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -638,7 +638,7 @@ const App = memo(() => {
     setCanvasPlayerEventId(0);
     setDuration();
     cutSegmentsHistory.go(0);
-    clearSegments(); // TODO this will cause two history items
+    clearSegments();
     setCutStartTimeManual();
     setCutEndTimeManual();
     setFileFormat();
diff --git a/src/hooks/useSegments.js b/src/hooks/useSegments.js
index deeaccec..1ef41112 100644
--- a/src/hooks/useSegments.js
+++ b/src/hooks/useSegments.js
@@ -142,16 +142,20 @@ export default ({
   }, [currentApparentCutSeg.end, currentApparentCutSeg.start, filePath, loadCutSegments, mainVideoStream]);
 
   const removeSegments = useCallback((removeSegmentIds) => {
-    if (cutSegments.length === 1 && cutSegments[0].start == null && cutSegments[0].end == null) return; // We are at initial segment, nothing more we can do (it cannot be removed)
-    setCutSegments((existing) => {
-      const newSegments = existing.filter((seg) => !removeSegmentIds.includes(seg.segId));
+    setCutSegments((existingSegments) => {
+      if (existingSegments.length === 1 && existingSegments[0].start == null && existingSegments[0].end == null) {
+        return existingSegments; // We are at initial segment, nothing more we can do (it cannot be removed)
+      }
+
+      const newSegments = existingSegments.filter((seg) => !removeSegmentIds.includes(seg.segId));
       if (newSegments.length === 0) {
-        clearSegments(); // when removing the last segments, we start over
-        return existing;
+        // when removing the last segments, we start over
+        clearSegCounter();
+        return createInitialCutSegments();
       }
       return newSegments;
     });
-  }, [clearSegments, cutSegments, setCutSegments]);
+  }, [clearSegCounter, createInitialCutSegments, setCutSegments]);
 
   const removeCutSegment = useCallback((index) => {
     removeSegments([cutSegments[index].segId]);