From b1079d974b9c2c098eab7b2bd1a720424687b1be Mon Sep 17 00:00:00 2001
From: mkelvers <mikkelelvers@outlook.com>
Date: Fri, 1 May 2026 18:31:20 +0200
Subject: [PATCH] feat(player): add distinct buffered progress bar and adjust
 skip segment color

---
 static/player.ts                         | 20 +++++++++++++++++++-
 templates/components/video_player.gohtml |  3 ++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/static/player.ts b/static/player.ts
index 6be6f07..a71bdb4 100644
--- a/static/player.ts
+++ b/static/player.ts
@@ -75,6 +75,7 @@ const initPlayer = (): void => {
   const durationDisplay = container.querySelector('[data-duration]') as HTMLElement
   const progressWrap = container.querySelector('[data-progress-wrap]') as HTMLElement
   const progress = container.querySelector('[data-progress]') as HTMLElement
+  const buffered = container.querySelector('[data-buffered]') as HTMLElement
   const scrubber = container.querySelector('[data-scrubber]') as HTMLElement
   const segmentsTrack = container.querySelector('[data-segments]') as HTMLElement
   const subtitleSelect = container.querySelector('[data-subtitle-select]') as HTMLSelectElement
@@ -316,7 +317,7 @@ const initPlayer = (): void => {
       const left = (segment.start / bounds.duration) * 100
       const width = ((segment.end - segment.start) / bounds.duration) * 100
       const bar = document.createElement('div')
-      bar.className = 'absolute top-0 h-full bg-yellow-400'
+      bar.className = 'absolute top-0 h-full bg-white/70'
       bar.style.left = `${left}%`
       bar.style.width = `${width}%`
       segmentsTrack.appendChild(bar)
@@ -347,6 +348,7 @@ const initPlayer = (): void => {
     const bounds = timelineBounds()
     if (bounds.duration <= 0) {
       progress.style.width = '0%'
+      if (buffered) buffered.style.width = '0%'
       if (scrubber) scrubber.style.left = '0%'
       timeDisplay.textContent = '00:00'
       if (durationDisplay) durationDisplay.textContent = '00:00'
@@ -359,6 +361,18 @@ const initPlayer = (): void => {
     if (scrubber) scrubber.style.left = `${pct}%`
     timeDisplay.textContent = formatTime(currentDisplayTime)
     if (durationDisplay) durationDisplay.textContent = formatTime(bounds.duration)
+
+    if (buffered && video) {
+      let maxBuffered = 0
+      for (let i = 0; i < video.buffered.length; i++) {
+        if (video.buffered.start(i) <= currentTime + 1) { // Adding small tolerance
+          maxBuffered = Math.max(maxBuffered, video.buffered.end(i))
+        }
+      }
+      const bufferedDisplayTime = displayTimeFromAbsolute(maxBuffered)
+      const bufferedPct = Math.max(0, Math.min(100, (bufferedDisplayTime / bounds.duration) * 100))
+      buffered.style.width = `${bufferedPct}%`
+    }
   }
 
   const seekBy = (delta: number): void => {
@@ -772,6 +786,10 @@ const initPlayer = (): void => {
       if (loading) loading.style.display = 'none'
     })
 
+    video.addEventListener('progress', () => {
+      updateTimeline(video.currentTime)
+    })
+
     video.addEventListener('timeupdate', () => {
       updateTimeline(video.currentTime)
       updateSubtitleRender(displayTimeFromAbsolute(video.currentTime))
diff --git a/templates/components/video_player.gohtml b/templates/components/video_player.gohtml
index 30abb15..1475853 100644
--- a/templates/components/video_player.gohtml
+++ b/templates/components/video_player.gohtml
@@ -87,7 +87,8 @@
           <div data-preview-popover class="pointer-events-none absolute bottom-full mb-2 -translate-x-1/2 bg-white px-2 py-1 text-xs font-bold text-black shadow-md opacity-0 transition-opacity duration-200">
             <span data-preview-time>0:00</span>
           </div>
-          <div class="relative flex h-1.5 w-full items-center rounded-full bg-white/30 transition-all group-hover/progress:h-2">
+          <div class="relative flex h-1.5 w-full items-center rounded-full bg-white/20 transition-all group-hover/progress:h-2">
+            <div data-buffered class="absolute left-0 top-0 h-full rounded-full bg-white/30 z-0" style="width: 0%"></div>
             <div data-progress class="bg-accent relative z-10 h-full rounded-full" style="width: 0%"></div>
             <div data-segments class="absolute inset-0 z-20 pointer-events-none overflow-hidden rounded-full"></div>
           </div>