feat: merge audio

src/screens/Library/MusicDetails.js

@@ -27,7 +27,7 @@ import Style, { gutters, size } from '../../styles/Style'
 import { getArtistDisplayName } from '../../utils/artistName'
 import { ensureAuthenticated } from '../../utils/authRedirect'
 import { createMusicSharePayload, openShareSheet } from '../../utils/shareSheet'
-// Import de la fonction utilitaire (à créer dans src/utils/lyricsUtils.js)
+// Assure-toi que le fichier lyricsUtils.js contient la fonction processKaraokeSections fournie précédemment
 import { processKaraokeSections } from './utils/lyricsUtils'
 
 const timeBeforeIncrement = 20000
@@ -50,7 +50,7 @@ const MusicDetails = ({ route }) => {
 
   const { isLooping, setLooping } = usePlayer() || {}
 
-  // --- DATA ---
+  // --- DATA FETCHING ---
   const { data: project } = useDataFromRef({
     ref: projectId ? projectsRef.doc(projectId) : null,
     simpleRef: true,
@@ -65,7 +65,7 @@ const MusicDetails = ({ route }) => {
     condition: !!project?.userId,
   })
 
-  // --- MEMOS & STABILISATION ---
+  // --- METADATA & PLAYER STABILIZATION ---
   const title = project?.title || 'Sans titre'
   const artist = useMemo(() => {
     const ownerName = getArtistDisplayName(owner, '')
@@ -76,7 +76,7 @@ const MusicDetails = ({ route }) => {
   const coverUrl = project?.coverUrl || null
   const songUrl = project?.songUrl || null
 
-  // IMPORTANT: Stabiliser cet objet pour éviter les sauts iOS
+  // On mémoïse le descriptor pour éviter les re-chargements intempestifs sur iOS
   const trackDescriptor = useMemo(() => {
     if (!songUrl) return null
     const id = projectId ? `project-${projectId}` : `song-${songUrl}`
@@ -91,11 +91,10 @@ const MusicDetails = ({ route }) => {
       metadata: { projectId, screen: 'MusicDetails' },
       context: { projectId, screen: 'MusicDetails' },
     }
-    console.log('[DEBUG PLAYER] Nouveau Track Descriptor:', desc.id)
+    console.log('[PLAYER] Nouveau descriptor généré:', id)
     return desc
   }, [projectId, songUrl, title, artist, coverUrl])
 
-  // --- CONTROLLER ---
   const {
     isCurrent,
     isPlaying,
@@ -108,9 +107,30 @@ const MusicDetails = ({ route }) => {
     seekBy,
   } = useTrackController(trackDescriptor)
 
-  const loopEnabled = isCurrent && !!isLooping
+  // --- DURATION CALCULATIONS (Pour le clic sur le slider) ---
+  const estimatedDurationMs = useMemo(() => {
+    const toMs = (val) => {
+      const n = Number(val); return (!n || n <= 0) ? 0 : (n > 1000 ? Math.round(n) : Math.round(n * 1000))
+    }
+    const idx = Number(project?.songIndex) || 0
+    const ts = project?.musicTimestamps?.[idx]
 
-  // --- LOGIQUE LYRICS ---
+    // Priorité 1: Metadata
+    const fromMeta = toMs(ts?.durationMs || ts?.duration || ts?.audioDuration)
+    if (fromMeta > 0) return fromMeta
+
+    // Priorité 2: Dernier mot synchronisé
+    const words = ts?.alignedWords || []
+    if (words.length > 0) {
+      const last = words[words.length - 1]
+      return Math.round((last.endS || last.startS || 0) * 1000)
+    }
+    return 0
+  }, [project])
+
+  const sliderDurationMs = durationMs > 0 ? durationMs : estimatedDurationMs
+
+  // --- LYRICS LOGIC ---
   const sections = useMemo(() => {
     const idx = Number(project?.songIndex) || 0
     const ts = project?.musicTimestamps?.[idx]
@@ -118,9 +138,7 @@ const MusicDetails = ({ route }) => {
   }, [project?.musicTimestamps, project?.songIndex])
 
   const flatLines = useMemo(() => sections.flatMap((s) => s.lines), [sections])
-
-  const currentTimeS = (positionMs || 0) / 1000
-  const visibleTimeS = currentTimeS + 0.3 // Offset pour fluidité iOS
+  const visibleTimeS = (positionMs || 0) / 1000 + 0.3 // Offset de 300ms pour fluidité visuelle
 
   const currentLineIdx = useMemo(() => {
     if (!flatLines.length) return -1
@@ -128,31 +146,26 @@ const MusicDetails = ({ route }) => {
   }, [flatLines, visibleTimeS])
 
   // --- EFFECTS ---
-
-  // Sync favoris
   useEffect(() => {
     if (project && currentUID) {
       setFav(Array.isArray(project.likedBy) ? project.likedBy.includes(currentUID) : false)
     }
   }, [project?.likedBy, currentUID])
 
-  // Timer pour les vues
+  // Vues
   useEffect(() => {
-    const clearTimer = () => { if (timerRef.current) clearInterval(timerRef.current) }
+    const clear = () => timerRef.current && clearInterval(timerRef.current)
     if (isPlaying && projectId && !incrementDoneRef.current) {
-      timerRef.current = setInterval(async () => {
+      timerRef.current = setInterval(() => {
         listenedMsRef.current += 1000
         if (listenedMsRef.current >= timeBeforeIncrement) {
-          console.log('[DEBUG] Incrémentation vue pour:', projectId)
+          projectsRef.doc(projectId).update({ views: increment(1) }).catch(() => {})
           incrementDoneRef.current = true
-          projectsRef.doc(projectId).set({ views: increment(1) }, { merge: true }).catch(() => {})
-          clearTimer()
+          clear()
         }
       }, 1000)
-    } else {
-      clearTimer()
-    }
-    return clearTimer
+    } else { clear() }
+    return clear
   }, [isPlaying, projectId])
 
   // Auto-scroll
@@ -163,56 +176,59 @@ const MusicDetails = ({ route }) => {
     }
   }, [currentLineIdx])
 
-  // Autoplay requested
+  // Autoplay
   useEffect(() => {
     if (autoPlayRequested && !hasAutoPlayedRef.current && trackDescriptor) {
-      const start = async () => {
+      const run = async () => {
         try {
           if (!isCurrent) await ensureLoaded({ startPositionMs: 0, autoPlay: true })
           else if (!isPlaying) await resume()
           hasAutoPlayedRef.current = true
-        } catch (e) { console.log('[PLAYER ERROR] Autoplay:', e.message) }
+        } catch (e) { console.log('[PLAYER] Autoplay error:', e.message) }
       }
-      start()
+      run()
     }
   }, [autoPlayRequested, trackDescriptor, isCurrent, isPlaying, ensureLoaded, resume])
 
-  // --- ACTIONS ---
+  // --- CALLBACKS ---
   const togglePlay = useCallback(async () => {
     if (!trackDescriptor) return
     try {
       if (!isCurrent) {
-        console.log('[PLAYER] Chargement nouveau media:', trackDescriptor.title)
+        console.log('[PLAYER] Chargement via togglePlay')
         await ensureLoaded({ startPositionMs: positionMs, autoPlay: true })
       } else {
         isPlaying ? await pause() : await resume()
       }
-    } catch (e) { console.log('[PLAYER ERROR] Toggle:', e.message) }
+    } catch (e) { console.log('[PLAYER] Toggle error:', e.message) }
   }, [trackDescriptor, isCurrent, isPlaying, ensureLoaded, positionMs, pause, resume])
 
-  const handleSliderSeek = useCallback(async (ms) => {
-    if (!trackDescriptor) return
+  const handleSliderSeek = useCallback(async (targetMs) => {
+    if (!trackDescriptor || sliderDurationMs <= 0) return
+    const ms = Math.max(0, Math.min(sliderDurationMs, Math.floor(targetMs)))
+    console.log(`[PLAYER] Seek demandé vers: ${ms}ms`)
     try {
-      if (!isCurrent) await ensureLoaded({ startPositionMs: ms, autoPlay: false })
-      else await seekTo(Math.floor(ms))
-    } catch (e) { console.log('[PLAYER ERROR] Seek:', e.message) }
-  }, [trackDescriptor, isCurrent, ensureLoaded, seekTo])
+      if (!isCurrent) {
+        await ensureLoaded({ startPositionMs: ms, autoPlay: isPlaying })
+      } else {
+        await seekTo(ms)
+      }
+    } catch (e) { console.log('[PLAYER] Seek error:', e.message) }
+  }, [trackDescriptor, sliderDurationMs, isCurrent, ensureLoaded, isPlaying, seekTo])
 
   const handleLyricsSeek = async (timeS) => {
-    const ms = timeS * 1000
+    const ms = Math.max(0, timeS * 1000)
     try {
       if (!isCurrent) await ensureLoaded({ startPositionMs: ms, autoPlay: true })
       else {
         await seekTo(ms)
         if (!isPlaying) await resume()
       }
-    } catch (e) { console.log('[PLAYER ERROR] LyricsSeek:', e.message) }
+    } catch (e) { console.log('[PLAYER] Lyrics Seek error:', e.message) }
   }
 
-  // --- UI PARTS (Options / Share) ---
-  const sharePayload = useMemo(() => createMusicSharePayload({ projectId, title, artist }), [artist, projectId, title])
-
   const handleOpenOptions = () => {
+    const sharePayload = createMusicSharePayload({ projectId, title, artist })
     SheetManager.show('MusicOptions', {
       payload: {
         projectId, title, ownerId: project?.userId || owner?.id || null,
@@ -241,7 +257,7 @@ const MusicDetails = ({ route }) => {
       })}
     >
       <View style={{ flex: 1, paddingTop: 20, paddingBottom: gutters * 2 }}>
-        {/* HEADER SECTION */}
+        {/* INFOS MEDIA */}
         <View style={{ gap: 28 }}>
           {coverUrl && (
             <ExpoImage
@@ -265,13 +281,12 @@ const MusicDetails = ({ route }) => {
                   disabled={!isCurrent}
                   style={{ ...size({ size: 32 }), alignItems: 'center', justifyContent: 'center', opacity: isCurrent ? 1 : 0.4 }}
                 >
-                  <Feather name="repeat" size={24} color={loopEnabled ? Palette.primary : Palette.white} />
+                  <Feather name="repeat" size={24} color={isCurrent && isLooping ? Palette.primary : Palette.white} />
                 </PressableScale>
                 <PressableScale
                   onPress={async () => {
                     if (!projectId || !ensureAuthenticated(currentUID)) return
-                    const next = !fav
-                    setFav(next)
+                    const next = !fav; setFav(next)
                     projectsRef.doc(projectId).update({
                       likedBy: next ? arrayUnion(currentUID) : arrayRemove(currentUID),
                     }).catch(() => setFav(!next))
@@ -292,7 +307,7 @@ const MusicDetails = ({ route }) => {
           <View style={{ paddingTop: 22 }}>
             <ProgressSlider
               positionMs={positionMs}
-              durationMs={durationMs || 0}
+              durationMs={sliderDurationMs}
               isPlaying={isPlaying}
               onSeek={handleSliderSeek}
               onPause={pause}
@@ -344,7 +359,9 @@ const MusicDetails = ({ route }) => {
               ))}
             </ScrollView>
           ) : (
-            <Text style={{ color: 'gray', textAlign: 'center', marginTop: 20 }}>Chargement des paroles...</Text>
+            <Text style={{ color: 'rgba(255,255,255,0.4)', textAlign: 'center', marginTop: 40, fontFamily: FONT_FAMILY.InterRegular }}>
+              {songUrl ? "Chargement des paroles..." : "Aucune parole disponible"}
+            </Text>
           )}
         </View>
       </View>

src/screens/Production/PlaybackDownload.js

@@ -199,8 +199,6 @@ const PlaybackDownload = ({ route }) => {
     }
   }, [projectForDownload?.playbackUrl])
 
-
-
   const resolveAudioUrl = useCallback(() => {
     if (typeof projectForDownload?.songUrl === 'string' && projectForDownload.songUrl.trim()) {
       return projectForDownload.songUrl.trim()
@@ -217,61 +215,32 @@ const PlaybackDownload = ({ route }) => {
     return null
   }, [projectForDownload])
 
-  const handleDownloadUri = useCallback(async () => {
-    if (isPublishing || isDownloading) return
+  const processMerge = useCallback(async () => {
     if (action !== 'playback') {
-      setTooltip({
-        type: 'error',
-        text: 'Téléchargement indisponible pour cette action',
-      })
-      return
+      throw new Error('Téléchargement indisponible pour cette action')
     }
 
-    const playbackUrlToDownload = pendingPlaybackUrl || projectForDownload?.playbackUrl || null
-    if (playbackUrlToDownload) {
-      setIsDownloading(true)
-      try {
-        await triggerDownload(playbackUrlToDownload, projectForDownload?.title)
-      } finally {
-        setIsDownloading(false)
-      }
-      return
-    }
+    const cachedPlaybackUrl = pendingPlaybackUrl || projectForDownload?.playbackUrl || null
+    if (cachedPlaybackUrl) return cachedPlaybackUrl
 
     if (!projectForDownload?.id) {
-      setTooltip({
-        type: 'error',
-        text: 'Projet introuvable pour ce playback',
-      })
-      return
+      throw new Error('Projet introuvable pour ce playback')
     }
 
     if (!uri) {
-      setTooltip({
-        type: 'error',
-        text: 'Aucune vidéo trouvée pour ce playback',
-      })
-      return
+      throw new Error('Aucune vidéo trouvée pour ce playback')
     }
 
     if (!currentUID) {
-      setTooltip({
-        type: 'error',
-        text: 'Utilisateur non authentifié',
-      })
-      return
+      throw new Error('Utilisateur non authentifié')
     }
 
     const audioUrl = resolveAudioUrl()
     if (!audioUrl) {
-      setTooltip({
-        type: 'error',
-        text: 'Aucune piste audio disponible pour ce projet',
-      })
-      return
+      throw new Error('Aucune piste audio disponible pour ce projet')
     }
 
-    console.log('[PlaybackDownload] handleDownloadUri playback', {
+    console.log('[PlaybackDownload] processMerge playback', {
       projectId: projectForDownload.id,
       uri,
       currentUID,
@@ -279,7 +248,6 @@ const PlaybackDownload = ({ route }) => {
 
     let tempSourcePath = null
     try {
-      setIsDownloading(true)
       setIsLoading(true)
       const { sourcePath, videoUrl } = await uploadSourceRecording({
         uri,
@@ -289,7 +257,7 @@ const PlaybackDownload = ({ route }) => {
       tempSourcePath = sourcePath
 
       const payload = {
-        projectId: projectForDownload?.id,
+        projectId: projectForDownload.id,
         videoUrl,
         audioUrl,
         storagePath: `users/${currentUID}/projects/${projectForDownload.id}/playback.mp4`,
@@ -303,29 +271,12 @@ const PlaybackDownload = ({ route }) => {
 
       const resultURI = result?.url || null
 
-      if (resultURI) {
-        setPendingPlaybackUrl(resultURI)
-        setTooltip({
-          type: 'success',
-          text: 'Playback prêt à télécharger',
-        })
-        await triggerDownload(resultURI, projectForDownload?.title)
-        if (tempSourcePath) {
-          try {
-            await firebase.storage().ref(tempSourcePath).delete()
-          } catch (cleanupError) {
-            console.log('[PlaybackDownload] unable to delete temp source', {
-              message: cleanupError?.message,
-              code: cleanupError?.code,
-            })
-          }
-        }
-      } else {
-        setTooltip({
-          type: 'error',
-          text: 'Erreur lors de la publication du playback',
-        })
+      if (!resultURI) {
+        throw new Error('Erreur lors de la publication du playback')
       }
+
+      setPendingPlaybackUrl(resultURI)
+      return resultURI
     } catch (error) {
       console.log('[PlaybackDownload] error upload playback', {
         message: error?.message,
@@ -333,31 +284,47 @@ const PlaybackDownload = ({ route }) => {
         name: error?.name,
         details: error?.details,
       })
+      throw error
+    } finally {
       if (tempSourcePath) {
         try {
           await firebase.storage().ref(tempSourcePath).delete()
-        } catch { }
+        } catch (cleanupError) {
+          console.log('[PlaybackDownload] unable to delete temp source', {
+            message: cleanupError?.message,
+            code: cleanupError?.code,
+          })
+        }
       }
+      releaseBlobUrl(uri || null)
+      setIsLoading(false)
+    }
+  }, [action, currentUID, pendingPlaybackUrl, projectForDownload, resolveAudioUrl, setIsLoading, uri])
+
+  const handleDownloadUri = useCallback(async () => {
+    if (isPublishing || isDownloading) return
+    try {
+      setIsDownloading(true)
+      const resultURI = await processMerge()
+      setTooltip({
+        type: 'success',
+        text: 'Playback prêt à télécharger',
+      })
+      await triggerDownload(resultURI, projectForDownload?.title)
+    } catch (error) {
       setTooltip({
         type: 'error',
         text: String(error?.message || 'Erreur lors de la publication du playback'),
       })
     } finally {
-      releaseBlobUrl(uri || null)
       setIsDownloading(false)
-      setIsLoading(false)
     }
   }, [
-    action,
-    currentUID,
     isDownloading,
     isPublishing,
-    pendingPlaybackUrl,
+    processMerge,
     projectForDownload,
-    resolveAudioUrl,
-    setIsLoading,
     setTooltip,
-    uri,
   ])
 
   const startPlaybackDownloadCheckout = useCallback(
@@ -397,34 +364,21 @@ const PlaybackDownload = ({ route }) => {
     ]
   )
 
-  const handleDownloadPress = useCallback(() => {
-    if (isDownloading || isCheckoutLaunching) {
-      return
+  const handleDownloadPress = async () => {
+    if (!canDownloadPlayback) return startPlaybackDownloadCheckout()
+
+    if (isDownloading || isPublishing) return
+
+    try {
+      setIsDownloading(true)
+      const url = await processMerge()
+      await triggerDownload(url, projectForDownload?.title)
+    } catch (err) {
+      setTooltip({ type: 'error', text: err.message })
+    } finally {
+      setIsDownloading(false)
     }
-    if (canDownloadPlayback) {
-      handleDownloadUri()
-      return
-    }
-    if (downloadPaymentPending) {
-      Alert.alert(
-        'Paiement en attente',
-        "Le paiement n'est pas encore confirmé. Si tu as déjà payé, patiente quelques instants.",
-        [
-          { text: 'Attendre', style: 'cancel' },
-          { text: 'Relancer le paiement', onPress: () => startPlaybackDownloadCheckout({ force: true }) },
-        ]
-      )
-      return
-    }
-    startPlaybackDownloadCheckout()
-  }, [
-    canDownloadPlayback,
-    downloadPaymentPending,
-    handleDownloadUri,
-    isCheckoutLaunching,
-    isDownloading,
-    startPlaybackDownloadCheckout,
-  ])
+  }
 
   useEffect(() => {
     if (!downloadPaymentPending || !hasPaidPlaybackDownload || isDownloading) {
@@ -435,135 +389,29 @@ const PlaybackDownload = ({ route }) => {
   }, [downloadPaymentPending, handleDownloadUri, hasPaidPlaybackDownload, isDownloading])
 
   const handlePublish = async () => {
-    if (isPublishing) {
-      console.log('[PlaybackDownload] publish blocked: already publishing')
-      return
-    }
-    if (!hasAcceptedPublication) {
-      console.log('[PlaybackDownload] publish blocked: publication not accepted')
-      setTooltip({
-        type: 'error',
-        text: 'Confirme la diffusion de ton playback sur Musicland avant de publier',
-      })
-      return
-    }
-    if (!projectForDownload?.id) {
-      console.log('[PlaybackDownload] publish: missing project id, navigating directly', {
-        projectForDownload: projectForDownload?.id,
-      })
-      setTooltip({
-        type: 'success',
-        text: publishSuccessMessage,
-      })
-      navigate(Routes.PublishYoutube)
-      return
-    }
-    let tempSourcePath = null
-    let playbackUrlToSave = pendingPlaybackUrl || projectForDownload?.playbackUrl || null
-    const audioUrl = resolveAudioUrl()
-    if (!audioUrl && !playbackUrlToSave) {
-      console.log('[PlaybackDownload] publish blocked: missing audioUrl and playbackUrl', {
-        audioUrl,
-        playbackUrlToSave,
-      })
-      setTooltip({
-        type: 'error',
-        text: 'Aucune piste audio disponible pour ce projet',
-      })
-      return
-    }
-    if (!currentUID) {
-      console.log('[PlaybackDownload] publish blocked: missing currentUID')
-      setTooltip({
-        type: 'error',
-        text: 'Utilisateur non authentifié',
-      })
-      return
-    }
+    if (!hasAcceptedPublication) return
+
+    if (isPublishing) return
 
     try {
-      console.log('[PlaybackDownload] publish start', {
-        projectId: projectForDownload?.id,
-        hasPendingPlaybackUrl: Boolean(pendingPlaybackUrl),
-        hasPlaybackUrl: Boolean(projectForDownload?.playbackUrl),
-        hasAudioUrl: Boolean(audioUrl),
-        hasUri: Boolean(uri),
-      })
       setIsPublishing(true)
-      setIsLoading(true)
-
-      if (!playbackUrlToSave) {
-        console.log('[PlaybackDownload] publish: no playback url, uploading source')
-        const { sourcePath, videoUrl } = await uploadSourceRecording({
-          uri,
-          uid: currentUID,
-          projectId: projectForDownload.id,
-        })
-        tempSourcePath = sourcePath
-
-        const payload = {
-          projectId: projectForDownload?.id,
-          videoUrl,
-          audioUrl,
-          storagePath: `users/${currentUID}/projects/${projectForDownload.id}/playback.mp4`,
-        }
-
-        console.log('[PlaybackDownload] publish: calling merge', payload)
-
-        const { data: result } = await callMergeVideoAndAudio(payload)
-
-        playbackUrlToSave = result?.url || null
-        if (!playbackUrlToSave) {
-          console.log('[PlaybackDownload] publish: merge result missing url', result)
-          throw new Error('merge_failed')
-        }
-        setPendingPlaybackUrl(playbackUrlToSave)
-      }
-
-      console.log('[PlaybackDownload] publish: saving playback url', {
-        projectId: projectForDownload.id,
-        playbackUrlToSave,
-      })
+      const url = await processMerge()
       await projectsRef.doc(projectForDownload.id).set(
         {
-          playbackUrl: playbackUrlToSave,
+          playbackUrl: url,
           updatedAt: serverTimestamp(),
         },
         { merge: true }
       )
 
-      setTooltip({
-        type: 'success',
-        text: publishSuccessMessage,
-      })
-      console.log('[PlaybackDownload] publish: navigate to PublishYoutube', {
-        projectId: projectForDownload.id,
-      })
       navigate(Routes.PublishYoutube, { projectId: projectForDownload.id })
-    } catch (error) {
-      console.log('[PlaybackDownload] publish error', {
-        message: error?.message,
-        code: error?.code,
-        name: error?.name,
-        details: error?.details,
-      })
+    } catch (err) {
       setTooltip({
         type: 'error',
-        text: String(error?.message || 'Publication impossible'),
+        text: String(err?.message || 'Erreur de publication'),
       })
     } finally {
-      if (tempSourcePath) {
-        try {
-          await firebase.storage().ref(tempSourcePath).delete()
-        } catch (cleanupError) {
-          console.log('[PlaybackDownload] unable to delete temp source', {
-            message: cleanupError?.message,
-            code: cleanupError?.code,
-          })
-        }
-      }
       setIsPublishing(false)
-      setIsLoading(false)
     }
   }
   return (