From a59a36ec90c622cc3df26980047f4f356821b157 Mon Sep 17 00:00:00 2001 From: 3dtours Date: Sat, 25 Jul 2026 16:26:47 +0700 Subject: [PATCH] fix: use configured AI provider for piano roll prompt, not hardcoded Piano roll AI prompt now selects provider via same logic as main AI handler (aiProviders, selectedProviderId, baseUrl, apiKey, model). No longer hardcodes provider:'openai', model:'gpt-4o'. --- app/static/js/app.jsx | 24 +++++++++++++++++++++--- app/static/js/app.precompiled.js | 2 +- 2 files changed, 22 insertions(+), 4 deletions(-) diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx index 8bffdda..77ecd06 100644 --- a/app/static/js/app.jsx +++ b/app/static/js/app.jsx @@ -12242,10 +12242,28 @@ const App = () => { setAiProcessing(true); setAiActionLog(prev => [...prev, { type: 'status', text: ` ⏳ Đang gửi prompt đến AI cho Piano Roll...`, time: Date.now() }]); try { + if (aiProviders.length === 0 || !selectedProviderId) { + try { + const data = await window.SonicAPI.getAIConfigs(); + if (data && data.providers && data.providers.length > 0) { + setAiProviders(data.providers); + const active = data.providers.find(p => p.is_active) || data.providers[0]; + if (active) setSelectedProviderId(active.id); + } + } catch (e) { } + } + const prv = aiProviders.find(p => p.id === selectedProviderId) || (aiProviders.length > 0 ? aiProviders[0] : null); + const provider = prv || aiConfig; + const baseUrl = provider.api_base_url || provider.baseUrl || `${API_BASE_URL}`; + const apiKey = provider.api_key || provider.apiKey || ''; + const model = provider.model_name || provider.model || 'deepseek-chat'; + setAiActionLog(prev => [...prev, { type: 'info', text: ` Provider: ${provider.name || 'default'} | Model: ${model}`, time: Date.now() }]); const result = await window.AIGateway.executeAIPrompt({ prompt: 'Generate MIDI notes for a piano roll. Return ONLY a JSON array: [{pitch(0-127), start_beat, duration_beats, velocity(0.0-1.0)}]. ' + prompt, - provider: 'openai', - model: 'gpt-4o', + provider: provider.name || 'default', + model: model, + apiKey: apiKey, + baseUrl: baseUrl.replace(/\/chat\/completions$/, '').replace(/\/$/, ''), systemInstruction: 'You are a MIDI composer. Output ONLY valid JSON array of notes. No markdown, no explanation. Use 4/4 time. pitch=C4=60, D4=62, E4=64, F4=65, G4=67, A4=69, B4=71, C5=72.' }); if (!result) throw new Error('AI không phản hồi'); @@ -12255,7 +12273,7 @@ const App = () => { try { const cleaned = textResp.replace(/```json?\s*/g, '').replace(/```/g, '').trim(); notesData = JSON.parse(cleaned); - } catch (e1) {} + } catch (e1) { console.error('Parse notes error:', e1); } } if (!notesData && result.functionCalls) { for (const fc of result.functionCalls) { diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js index 3a4a673..7ec9eb1 100644 --- a/app/static/js/app.precompiled.js +++ b/app/static/js/app.precompiled.js @@ -367,7 +367,7 @@ let loopEnd=Math.max(loopStart+barDuration,nearestBarEnd);if(loopEnd>rawEnd+beat const snapLoopStart=findZeroCrossing(buffer,loopStart);const snapLoopEnd=findZeroCrossing(buffer,loopEnd);// Place markers for the loop points setTracks(prev=>prev.map(t=>{if(t.id!==activeTrack.id)return t;const existingMarkers=t.markers||[];const filtered=existingMarkers.filter(m=>!m.id.startsWith('ai_loop_'));return{...t,markers:[...filtered,{id:'ai_loop_start_'+Date.now(),time:snapLoopStart,label:'Loop Start (Bar '+(Math.floor(snapLoopStart/barDuration)+1)+')',color:'#06b6d4'},{id:'ai_loop_end_'+Date.now(),time:snapLoopEnd,label:'Loop End (Beat 4)',color:'#a855f7'}]};}));setSelectionStart(snapLoopStart);setSelectionEnd(snapLoopEnd);const startSample=Math.max(0,Math.min(dataLen-1,Math.floor(snapLoopStart*sampleRate)));const endSample=Math.max(0,Math.min(dataLen,Math.floor(snapLoopEnd*sampleRate)));const sliceLength=endSample-startSample;if(sliceLength<=0){showToast("Dải cắt không hợp lệ hoặc khoảng thời gian quá ngắn.","error");setAnalysisState({status:'Thất bại',data:null,isRunning:false});return;}const context=getAudioContext();const numChannels=buffer.numberOfChannels||1;const slicedBuffer=context.createBuffer(numChannels,sliceLength,sampleRate);for(let c=0;c{const idx=prev.findIndex(t=>t.id===selectedTrackId);const updated=[...prev];if(idx!==-1){updated.splice(idx+1,0,newTrack);}else{updated.push(newTrack);}return updated;});setSelectedTrackId(newId);setAnalysisState({status:`AI Cut: ${detectedBPM} BPM, ${barsCount} bars loop (Zero-Crossing aligned)`,data:{bpm:detectedBPM,bars:barsCount,timeSig:'4/4'},isRunning:false});showToast(`AI Cut: ${barsCount} bars loop at ${snapLoopStart.toFixed(3)}s - ${snapLoopEnd.toFixed(3)}s [${detectedBPM} BPM]`,"success");setTimeout(()=>lucide.createIcons(),200);}catch(err){showToast("Lỗi khi AI Cut: "+err.message,"error");setAnalysisState({status:'Lỗi AI Cut',data:null,isRunning:false});}},800);};// ── AI Prompt Send to Active Provider ── const handleAISend=async()=>{const prompt=aiPrompt.trim();if(!prompt){showToast('Vui lòng nhập nội dung prompt.','warning');return;}// Check if piano roll tab is active → route prompt to MIDI generation -const activePianoRoll=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(activePianoRoll){setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI cho Piano Roll...`,time:Date.now()}]);try{const result=await window.AIGateway.executeAIPrompt({prompt:'Generate MIDI notes for a piano roll. Return ONLY a JSON array: [{pitch(0-127), start_beat, duration_beats, velocity(0.0-1.0)}]. '+prompt,provider:'openai',model:'gpt-4o',systemInstruction:'You are a MIDI composer. Output ONLY valid JSON array of notes. No markdown, no explanation. Use 4/4 time. pitch=C4=60, D4=62, E4=64, F4=65, G4=67, A4=69, B4=71, C5=72.'});if(!result)throw new Error('AI không phản hồi');let notesData=null;const textResp=result.textResponse||result.text||'';if(textResp&&typeof textResp==='string'){try{const cleaned=textResp.replace(/```json?\s*/g,'').replace(/```/g,'').trim();notesData=JSON.parse(cleaned);}catch(e1){}}if(!notesData&&result.functionCalls){for(const fc of result.functionCalls){if(fc.arguments&&fc.arguments.notes){notesData=fc.arguments.notes;break;}}}if(Array.isArray(notesData)&¬esData.length>0){const newNotes=notesData.map((n,i)=>({id:'note_ai_'+Date.now()+'_'+i,pitch:Math.max(0,Math.min(127,n.pitch||60)),start_beat:Math.max(0,parseFloat(n.start_beat)||0),duration_beats:Math.max(0.125,parseFloat(n.duration_beats)||0.25),velocity:Math.max(0.1,Math.min(1.0,n.velocity??0.8)),pan:0.0}));setSubTabs(prev=>prev.map(s=>s.id===activePianoRoll.id?{...s,notes:[...(s.notes||[]),...newNotes],isDirty:true}:s));setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ Đã thêm ${newNotes.length} notes vào Piano Roll`,time:Date.now()}]);setCanvasRedrawCount(n=>n+1);}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ AI không trả về notes hợp lệ.`,time:Date.now()}]);}}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ Lỗi: ${err.message}`,time:Date.now()}]);}setAiProcessing(false);return;}if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentSelectedTrackId=selectedTrackId;window.DAWCommandDispatcher.currentTracks=activeTracks;window.DAWCommandDispatcher.lastCutSourceTrackId=null;window.DAWCommandDispatcher.lastCutNewTrackId=null;}setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI...`,time:Date.now()}]);try{if(aiProviders.length===0||!selectedProviderId){try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers&&data.providers.length>0){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Provider: ${provider.name||'default'} | Model: ${model} | URL: ${baseUrl.slice(0,40)}`,time:Date.now()}]);const dawContext=window.AIGateway.buildAIPromptContext({tracks:activeTracks,bpm,selectedTrackId,currentTime,selLeft,selRight});let matchedInstruction='';try{const localPresets=localStorage.getItem('daw_ai_prompt_presets');const presets=localPresets?JSON.parse(localPresets):DEFAULT_PRESETS;const matched=presets.find(p=>p.keywords.some(kw=>prompt.toLowerCase().includes(kw.toLowerCase())));if(matched){matchedInstruction=matched.system_instruction_template;setAiActionLog(prev=>[...prev,{type:'status',text:` 🎯 Khớp Preset: "${matched.name}". Tự động tối ưu gợi ý...`,time:Date.now()}]);}}catch(e){console.error("Lỗi khi tìm preset:",e);}const result=await window.AIGateway.executeAIPrompt({prompt:prompt,provider:provider.name||'default',model:model,apiKey:apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),dawContext,tools:window.AIGateway.DEFAULT_TOOLS,systemInstruction:matchedInstruction});const hasText=!!result.textResponse;const hasCalls=result.functionCalls&&result.functionCalls.length>0;if(hasText){setAiActionLog(prev=>[...prev,{type:'status',text:` AI: ${result.textResponse.slice(0,500)}`,time:Date.now()}]);}if(hasCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi ${result.functionCalls.length} lệnh...`,time:Date.now()}]);if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=true;}try{for(const fc of result.functionCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi lệnh: ${fc.name}(${JSON.stringify(fc.arguments)})`,time:Date.now()}]);const cmdName=fc.name.toUpperCase();if(window.DAWCommandDispatcher){try{let cmdResult=window.DAWCommandDispatcher.execute(cmdName,fc.arguments);if(cmdResult&&typeof cmdResult.then==='function')cmdResult=await cmdResult;setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ ${fc.name}: ${cmdResult&&cmdResult.success?'thành công':'thất bại: '+(cmdResult&&cmdResult.error||'unknown')}`,time:Date.now()}]);}catch(cmdErr){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: ${cmdErr.message}`,time:Date.now()}]);}}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: DAWCommandDispatcher not available`,time:Date.now()}]);}}}finally{if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=false;}}}if(!hasText&&!hasCalls){const rawKeys=result.raw?Object.keys(result.raw).join(', '):'null';const errDetail=result.raw&&result.raw.error?` (${result.raw.error.message||result.raw.error})`:'';setAiActionLog(prev=>[...prev,{type:'error',text:` AI không trả về lệnh hoặc text. Keys: [${rawKeys}]${errDetail}`,time:Date.now()}]);}if(prompt){promptHistRef.current=[...promptHistRef.current.slice(-49),prompt];setPromptHistory(promptHistRef.current);}setPromptHistIdx(-1);setAiActionLog(prev=>[...prev,{type:'status',text:` Hoàn tất.`,time:Date.now()}]);setAiPrompt('');setTimeout(()=>lucide.createIcons(),200);}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` Lỗi: ${err.message}`,time:Date.now()}]);showToast(`AI Error: ${err.message}`,'error');}finally{setAiProcessing(false);}};// ── Split Track at Playhead ── +const activePianoRoll=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(activePianoRoll){setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI cho Piano Roll...`,time:Date.now()}]);try{if(aiProviders.length===0||!selectedProviderId){try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers&&data.providers.length>0){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Provider: ${provider.name||'default'} | Model: ${model}`,time:Date.now()}]);const result=await window.AIGateway.executeAIPrompt({prompt:'Generate MIDI notes for a piano roll. Return ONLY a JSON array: [{pitch(0-127), start_beat, duration_beats, velocity(0.0-1.0)}]. '+prompt,provider:provider.name||'default',model:model,apiKey:apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),systemInstruction:'You are a MIDI composer. Output ONLY valid JSON array of notes. No markdown, no explanation. Use 4/4 time. pitch=C4=60, D4=62, E4=64, F4=65, G4=67, A4=69, B4=71, C5=72.'});if(!result)throw new Error('AI không phản hồi');let notesData=null;const textResp=result.textResponse||result.text||'';if(textResp&&typeof textResp==='string'){try{const cleaned=textResp.replace(/```json?\s*/g,'').replace(/```/g,'').trim();notesData=JSON.parse(cleaned);}catch(e1){console.error('Parse notes error:',e1);}}if(!notesData&&result.functionCalls){for(const fc of result.functionCalls){if(fc.arguments&&fc.arguments.notes){notesData=fc.arguments.notes;break;}}}if(Array.isArray(notesData)&¬esData.length>0){const newNotes=notesData.map((n,i)=>({id:'note_ai_'+Date.now()+'_'+i,pitch:Math.max(0,Math.min(127,n.pitch||60)),start_beat:Math.max(0,parseFloat(n.start_beat)||0),duration_beats:Math.max(0.125,parseFloat(n.duration_beats)||0.25),velocity:Math.max(0.1,Math.min(1.0,n.velocity??0.8)),pan:0.0}));setSubTabs(prev=>prev.map(s=>s.id===activePianoRoll.id?{...s,notes:[...(s.notes||[]),...newNotes],isDirty:true}:s));setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ Đã thêm ${newNotes.length} notes vào Piano Roll`,time:Date.now()}]);setCanvasRedrawCount(n=>n+1);}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ AI không trả về notes hợp lệ.`,time:Date.now()}]);}}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ Lỗi: ${err.message}`,time:Date.now()}]);}setAiProcessing(false);return;}if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentSelectedTrackId=selectedTrackId;window.DAWCommandDispatcher.currentTracks=activeTracks;window.DAWCommandDispatcher.lastCutSourceTrackId=null;window.DAWCommandDispatcher.lastCutNewTrackId=null;}setAiProcessing(true);setAiActionLog(prev=>[...prev,{type:'status',text:` ⏳ Đang gửi prompt đến AI...`,time:Date.now()}]);try{if(aiProviders.length===0||!selectedProviderId){try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers&&data.providers.length>0){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}}const prv=aiProviders.find(p=>p.id===selectedProviderId)||(aiProviders.length>0?aiProviders[0]:null);const provider=prv||aiConfig;const baseUrl=provider.api_base_url||provider.baseUrl||`${API_BASE_URL}`;const apiKey=provider.api_key||provider.apiKey||'';const model=provider.model_name||provider.model||'deepseek-chat';setAiActionLog(prev=>[...prev,{type:'info',text:` Provider: ${provider.name||'default'} | Model: ${model} | URL: ${baseUrl.slice(0,40)}`,time:Date.now()}]);const dawContext=window.AIGateway.buildAIPromptContext({tracks:activeTracks,bpm,selectedTrackId,currentTime,selLeft,selRight});let matchedInstruction='';try{const localPresets=localStorage.getItem('daw_ai_prompt_presets');const presets=localPresets?JSON.parse(localPresets):DEFAULT_PRESETS;const matched=presets.find(p=>p.keywords.some(kw=>prompt.toLowerCase().includes(kw.toLowerCase())));if(matched){matchedInstruction=matched.system_instruction_template;setAiActionLog(prev=>[...prev,{type:'status',text:` 🎯 Khớp Preset: "${matched.name}". Tự động tối ưu gợi ý...`,time:Date.now()}]);}}catch(e){console.error("Lỗi khi tìm preset:",e);}const result=await window.AIGateway.executeAIPrompt({prompt:prompt,provider:provider.name||'default',model:model,apiKey:apiKey,baseUrl:baseUrl.replace(/\/chat\/completions$/,'').replace(/\/$/,''),dawContext,tools:window.AIGateway.DEFAULT_TOOLS,systemInstruction:matchedInstruction});const hasText=!!result.textResponse;const hasCalls=result.functionCalls&&result.functionCalls.length>0;if(hasText){setAiActionLog(prev=>[...prev,{type:'status',text:` AI: ${result.textResponse.slice(0,500)}`,time:Date.now()}]);}if(hasCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi ${result.functionCalls.length} lệnh...`,time:Date.now()}]);if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=true;}try{for(const fc of result.functionCalls){setAiActionLog(prev=>[...prev,{type:'info',text:` Gọi lệnh: ${fc.name}(${JSON.stringify(fc.arguments)})`,time:Date.now()}]);const cmdName=fc.name.toUpperCase();if(window.DAWCommandDispatcher){try{let cmdResult=window.DAWCommandDispatcher.execute(cmdName,fc.arguments);if(cmdResult&&typeof cmdResult.then==='function')cmdResult=await cmdResult;setAiActionLog(prev=>[...prev,{type:'status',text:` ✅ ${fc.name}: ${cmdResult&&cmdResult.success?'thành công':'thất bại: '+(cmdResult&&cmdResult.error||'unknown')}`,time:Date.now()}]);}catch(cmdErr){setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: ${cmdErr.message}`,time:Date.now()}]);}}else{setAiActionLog(prev=>[...prev,{type:'error',text:` ❌ ${fc.name}: DAWCommandDispatcher not available`,time:Date.now()}]);}}}finally{if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.isExecutingAI=false;}}}if(!hasText&&!hasCalls){const rawKeys=result.raw?Object.keys(result.raw).join(', '):'null';const errDetail=result.raw&&result.raw.error?` (${result.raw.error.message||result.raw.error})`:'';setAiActionLog(prev=>[...prev,{type:'error',text:` AI không trả về lệnh hoặc text. Keys: [${rawKeys}]${errDetail}`,time:Date.now()}]);}if(prompt){promptHistRef.current=[...promptHistRef.current.slice(-49),prompt];setPromptHistory(promptHistRef.current);}setPromptHistIdx(-1);setAiActionLog(prev=>[...prev,{type:'status',text:` Hoàn tất.`,time:Date.now()}]);setAiPrompt('');setTimeout(()=>lucide.createIcons(),200);}catch(err){setAiActionLog(prev=>[...prev,{type:'error',text:` Lỗi: ${err.message}`,time:Date.now()}]);showToast(`AI Error: ${err.message}`,'error');}finally{setAiProcessing(false);}};// ── Split Track at Playhead ── const handleSplitTrackAtTime=(trackId,clipId,time)=>{const track=tracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const targetClipId=clipId||clips.find(c=>time>=c.startTime&&timec.id===targetClipId);if(!clip||!clip.buffer)return;const relTime=Math.max(0,time-clip.startTime);const sr=clip.buffer.sampleRate;const cutSample=Math.floor(relTime*sr);const originalData=clip.buffer.getChannelData(0);if(cutSample<=0||cutSample>=originalData.length){showToast("Vị trí cắt nằm ngoài dải âm thanh của clip.","warning");return;}const beforeSnap=captureTrackSnapshot(trackId);const ctx=getAudioContext();const b1=ctx.createBuffer(1,cutSample,sr);b1.copyToChannel(originalData.subarray(0,cutSample),0);const b2=ctx.createBuffer(1,originalData.length-cutSample,sr);b2.copyToChannel(originalData.subarray(cutSample),0);const clip1={id:'clip_'+Date.now()+'_p1',name:`${clip.name.replace(' (Part 1)','').replace(' (Part 2)','')} (Part 1)`,buffer:b1,startTime:clip.startTime};const clip2={id:'clip_'+Date.now()+'_p2',name:`${clip.name.replace(' (Part 1)','').replace(' (Part 2)','')} (Part 2)`,buffer:b2,startTime:clip.startTime+cutSample/sr};setTracks(prev=>prev.map(t=>{if(t.id===trackId){const remainingClips=clips.filter(c=>c.id!==targetClipId);const updatedClips=[...remainingClips,clip1,clip2];return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer||null,startTime:updatedClips[0]?.startTime||0,name:updatedClips[0]?.name||t.name};}return t;}));setTimeout(()=>{const afterSnap=captureTrackSnapshot(trackId);pushAction('SPLIT_CLIP',trackId,beforeSnap,afterSnap);},50);showToast(`Đã chia nhỏ clip tại ${formatTime(time)}.`,"info");};const handleSplitTrack=trackId=>{handleSplitTrackAtTime(trackId,null,currentTime);};// ── Glue (Merge) Clips on Selected Track ── const handleGlueTracks=()=>{const track=tracks.find(t=>t.id===selectedTrackId);if(!track){showToast('Vui lòng chọn một track để thực hiện gộp (glue).','warning');return;}const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length<2){showToast('Cần ít nhất 2 clip trên track này để gộp (glue).','warning');return;}const beforeSnap=captureTrackSnapshot(track.id);const ctx=getAudioContext();const sr=clips[0].buffer.sampleRate;let minStart=Infinity;let maxEnd=-Infinity;clips.forEach(c=>{const start=c.startTime||0;const end=start+c.buffer.duration;minStart=Math.min(minStart,start);maxEnd=Math.max(maxEnd,end);});const newDur=maxEnd-minStart;const newBuffer=ctx.createBuffer(1,Math.ceil(newDur*sr),sr);const newData=newBuffer.getChannelData(0);clips.forEach(c=>{const data=c.buffer.getChannelData(0);const offset=Math.floor(((c.startTime||0)-minStart)*sr);for(let i=0;imaxPeak)maxPeak=abs;}if(maxPeak>1.0){for(let i=0;iprev.map(t=>{if(t.id===track.id){return{...t,clips:[mergedClip],buffer:newBuffer,startTime:minStart,name:mergedClip.name};}return t;}));setTimeout(()=>{const afterSnap=captureTrackSnapshot(track.id);pushAction('GLUE',track.id,beforeSnap,afterSnap);},50);showToast(`Đã gộp ${clips.length} clips thành công.`,'success');};// ── DAW Command Registration for AI (28_AI_PANEL.md §1 & §2) ── useEffect(()=>{if(typeof window.DAWCommandDispatcher==='undefined')return;const api={createTrack:args=>{const name=args.name||`AI_Track_${Date.now()}`;const type=args.type||'audio';const newId=addNewTrack();if(name&&name!==`AI_Track_${Date.now()}`){updateTrackName(newId,name);}return{success:true,trackId:newId,name};},deleteTrack:args=>{const tid=args.track_id||selectedTrackId;if(!tid)return{success:false,error:'No track_id provided'};deleteTrack(tid);return{success:true,trackId:tid};},addClip:args=>{const trackId=args.track_id||selectedTrackId;const barDur=60/parseInt(bpm||120)*4;let startTime;if(args.start_time!==undefined&&args.start_time!==null)startTime=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)startTime=args.start_bar*barDur;else startTime=currentTime;const track=tracks.find(t=>t.id===trackId);if(!track)return{success:false,error:'Track not found'};const ctx=getAudioContext();const sr=44100;let duration;if(args.duration_seconds!==undefined&&args.duration_seconds!==null)duration=args.duration_seconds;else if(args.length_bars!==undefined&&args.length_bars!==null)duration=args.length_bars*barDur;else duration=2;const buffer=ctx.createBuffer(1,Math.floor(sr*duration),sr);const data=buffer.getChannelData(0);for(let i=0;iprev.map(t=>{if(t.id!==trackId)return t;const clips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];return{...t,clips:[...clips,{id:clipId,buffer,startTime,name:args.name||'AI Clip'}],buffer:clips.length>0?clips[0].buffer:buffer,startTime:clips.length>0?clips[0].startTime:startTime,name:clips.length>0?clips[0].name:args.name||t.name};}));return{success:true,clipId,trackId};},removeClip:args=>{const trackId=args.track_id||selectedTrackId;const clipId=args.clip_id;setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const updatedClips=(t.clips||[]).filter(c=>c.id!==clipId);return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer||null,startTime:updatedClips[0]?.startTime||0,name:updatedClips[0]?.name||t.name};}));return{success:true};},setTrackVolume:args=>{const trackId=args.track_id||selectedTrackId;const vol=args.volume_db??args.volume??0;updateTrackVolumeDb(trackId,parseFloat(vol));return{success:true,trackId,volumeDb:vol};},setTrackPan:args=>{const trackId=args.track_id||selectedTrackId;const pan=args.pan??0;updateTrackPan(trackId,parseInt(pan));return{success:true,trackId,pan};},toggleMute:args=>{const trackId=args.track_id||selectedTrackId;toggleTrackMute(trackId);const track=tracks.find(t=>t.id===trackId);return{success:true,trackId,muted:track?track.muted:null};},toggleSolo:args=>{const trackId=args.track_id||selectedTrackId;toggleTrackSoloEvaluate(trackId);const track=tracks.find(t=>t.id===trackId);return{success:true,trackId,solo:track?track.solo:null};},processAudioDsp:args=>{const trackId=args.track_id||selectedTrackId;const action=args.action;const params=args.params||{};const track=tracks.find(t=>t.id===trackId);if(!track||!track.buffer)return{success:false,error:'Track has no audio buffer'};if(action==='normalize'){const channelData=track.buffer.getChannelData(0);let maxVal=0;for(let i=0;i0){const gain=1.0/maxVal;for(let i=0;i{const newLen=Math.round(data.length*r);const out=new Float32Array(newLen);for(let i=0;iprev.map(t=>t.id===trackId?{...t,buffer:newBuffer}:t));return{success:true,action:'pitch_shift',semitones};}return{success:false,error:`Unknown action: ${action}`};},renameTrack:args=>{const tid=args.track_id||selectedTrackId;const name=args.name;if(!tid)return{success:false,error:'No track_id provided'};if(!name)return{success:false,error:'No name provided'};updateTrackName(tid,name);return{success:true,trackId:tid,name};},setSelection:args=>{const barDur=60/parseInt(bpm||120)*4;let start,end;if(args.start_time!==undefined&&args.start_time!==null)start=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)start=args.start_bar*barDur;else start=currentTime;if(args.end_time!==undefined&&args.end_time!==null)end=args.end_time;else if(args.length_bars!==undefined&&args.length_bars!==null)end=start+args.length_bars*barDur;else if(args.end_bar!==undefined&&args.end_bar!==null)end=args.end_bar*barDur;else end=start+barDur;clearLocalSelection();setSelectionMode('global');setSelectionStart(start);setSelectionEnd(end);selectionRef.current={start,end};return{success:true,start:parseFloat(start.toFixed(3)),end:parseFloat(end.toFixed(3)),length:parseFloat((end-start).toFixed(3))};},cutAudio:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;const tid=args.track_id||currentSelTrackId;const track=currentTracks.find(t=>t.id===String(tid));if(!track)return{success:false,error:'Track not found'};if(!track.buffer)return{success:false,error:'Track has no audio buffer'};const barDur=60/parseInt(bpm||120)*4;const sel=selectionRef.current;let rawStart,rawEnd;if(args.start_time!==undefined&&args.start_time!==null)rawStart=args.start_time;else if(args.start_bar!==undefined&&args.start_bar!==null)rawStart=args.start_bar*barDur;else if(sel.start!==null)rawStart=sel.start;else rawStart=currentTime;if(args.end_time!==undefined&&args.end_time!==null)rawEnd=args.end_time;else if(args.end_bar!==undefined&&args.end_bar!==null)rawEnd=args.end_bar*barDur;else if(args.length_bars!==undefined&&args.length_bars!==null)rawEnd=rawStart+args.length_bars*barDur;else if(sel.end!==null&&sel.end>rawStart)rawEnd=sel.end;else return{success:false,error:'No end position provided. Provide end_time, end_bar, or length_bars.'};if(rawEnd<=rawStart)return{success:false,error:'End position must be after start position.'};const buffer=track.buffer;const ctx=getAudioContext();const snap=args.snap_silence!==false;const loopStart=snap?findZeroCrossing(buffer,rawStart):rawStart;const loopEnd=snap?findZeroCrossing(buffer,rawEnd):rawEnd;const sampleRate=buffer.sampleRate;const startSample=Math.max(0,Math.min(buffer.length-1,Math.floor(loopStart*sampleRate)));const endSample=Math.max(0,Math.min(buffer.length,Math.floor(loopEnd*sampleRate)));const sliceLength=endSample-startSample;if(sliceLength<=100)return{success:false,error:'Selection too short or invalid'};const numChannels=buffer.numberOfChannels||1;const slicedBuffer=ctx.createBuffer(numChannels,sliceLength,sampleRate);for(let c=0;ct.id===tid);const nextTracks=[...currentTracks];if(idx!==-1){nextTracks.splice(idx+1,0,newTrack);}else{nextTracks.push(newTrack);}if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentTracks=nextTracks;window.DAWCommandDispatcher.currentSelectedTrackId=newId;window.DAWCommandDispatcher.lastCutSourceTrackId=tid;window.DAWCommandDispatcher.lastCutNewTrackId=newId;}setTracks(nextTracks);setSelectedTrackId(newId);selectionRef.current={start:0,end:slicedBuffer.duration};clearLocalSelection();setSelectionMode('global');setSelectionStart(0);setSelectionEnd(slicedBuffer.duration);setTimeout(()=>lucide.createIcons(),200);return{success:true,trackId:newId,trackName:cutName,cutStart:parseFloat(loopStart.toFixed(3)),cutEnd:parseFloat(loopEnd.toFixed(3)),duration:parseFloat(slicedBuffer.duration.toFixed(3))};},scanTrack:args=>{const tid=args.track_id||selectedTrackId;const track=tracks.find(t=>t.id===tid);if(!track)return{success:false,error:'Track not found'};if(!track.buffer)return{success:false,error:'Track has no audio buffer. Load audio first.'};const buffer=track.buffer;const data=buffer.getChannelData(0);const sr=buffer.sampleRate;const channels=buffer.numberOfChannels;const duration=buffer.duration;const totalSamples=buffer.length;const windowSize=Math.min(sr*3,data.length);let detectedBPM=0;if(windowSize>sr){let maxCorr=0;for(let lag=Math.floor(sr*0.3);lag<=Math.floor(sr*2.0);lag++){let corr=0;const step=4;for(let i=0;imaxCorr){maxCorr=corr;detectedBPM=60/(lag/sr);}}}detectedBPM=Math.round(Math.min(300,Math.max(30,detectedBPM)));if(args.set_tempo!==false&&detectedBPM>0){setBpm(String(detectedBPM));}const bitDepth=16;const bitrate=Math.round(sr*channels*bitDepth/1000);return{success:true,trackId:tid,trackName:track.name,bpm:detectedBPM,sampleRate:sr,channels,duration:parseFloat(duration.toFixed(3)),totalSamples,bitDepth,bitrateKbps:bitrate,hasAudio:true};},setBpm:args=>{const bpmVal=args.bpm||args.tempo||120;setBpm(String(bpmVal));return{success:true,bpm:bpmVal};},setPlayhead:args=>{const barDur=60/parseInt(bpm||120)*4;let time;if(args.time!==undefined&&args.time!==null)time=args.time;else if(args.bar!==undefined&&args.bar!==null)time=args.bar*barDur;else time=0;handlePlayheadSet(time);return{success:true,time:parseFloat(time.toFixed(3))};},exportAudio:async args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let tid=args.track_id;if(tid&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(tid)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+tid===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){tid=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!tid)tid=currentSelTrackId;const track=tid&¤tTracks.find(t=>t.id===String(tid)||t.id==='track_'+tid);if(!track)return{success:false,error:'No track found'};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0&&(!track.midiItems||track.midiItems.length===0))return{success:false,error:'Track has no audio clips'};const beatsPerSec=parseFloat(bpm||120)/60;const totalDuration=Math.max(clips.length>0?Math.max(...clips.map(c=>(c.startTime||0)+(c.buffer?c.buffer.duration/(c.speed||1.0):0))):0,...(track.midiItems||[]).map(m=>(m.startTime||0)+(m.duration||4)),...(track.sections||[]).map(s=>(s.start||0)+(s.duration||4)));const barDur=60/parseInt(bpm||120)*4;const sel=selectionRef.current;let rawStart,rawEnd;if(args.start_time!==undefined)rawStart=args.start_time;else if(args.start_bar!==undefined)rawStart=args.start_bar*barDur;else if(sel.start!==null)rawStart=sel.start;else rawStart=0;if(args.end_time!==undefined)rawEnd=args.end_time;else if(args.length_bars!==undefined)rawEnd=(rawStart||0)+args.length_bars*barDur;else if(args.end_bar!==undefined)rawEnd=args.end_bar*barDur;else if(sel.end!==null&&sel.end>rawStart)rawEnd=sel.end;else rawEnd=totalDuration;if(rawEnd<=rawStart)return{success:false,error:'Export range is empty or invalid.'};const ctx=getAudioContext();const sr=parseInt(args.sample_rate||'44100');const firstBuffer=clips.find(c=>c.buffer)?.buffer;const numCh=args.channels==='mono'?1:firstBuffer?firstBuffer.numberOfChannels:2;const bd=parseInt(args.bit_depth||'16');const fmt=args.format||'wav';const renderLength=rawEnd-rawStart;const offlineCtx=new OfflineAudioContext(numCh,Math.ceil(sr*renderLength),sr);clips.forEach(clip=>{if(!clip.buffer)return;const clipStart=clip.startTime||0;const clipDuration=clip.buffer.duration/(clip.speed||1.0);const clipEnd=clipStart+clipDuration;if(clipEnd<=rawStart||clipStart>=rawEnd)return;const source=offlineCtx.createBufferSource();source.buffer=clip.buffer;source.playbackRate.value=clip.speed||1.0;source.connect(offlineCtx.destination);if(rawStart{for(let i=0;i>8&0xFF);vw.setUint8(ofs+2,v24>>16&0xFF);}ofs+=bps;}}const blob=new Blob([fileBuf],{type:'audio/wav'});const localUrl=URL.createObjectURL(blob);const targetFilename=`export_${Date.now()}.${fmt}`;const triggerDownload=(downloadUrl,finalFilename)=>{if(window.DAWCommandDispatcher?.isExecutingAI){showToast(`Xuất nhạc thành công (${fmt.toUpperCase()})!`,"success","Tải về",()=>{const a=document.createElement('a');a.href=downloadUrl;a.download=finalFilename;a.click();if(downloadUrl.startsWith('blob:')){URL.revokeObjectURL(downloadUrl);}});}else{const a=document.createElement('a');a.href=downloadUrl;a.download=finalFilename;a.click();showToast("Xuất bản âm thanh hoàn tất!","success");if(downloadUrl.startsWith('blob:')){URL.revokeObjectURL(downloadUrl);}}};if((fmt==='mp3'||fmt==='ogg')&&serverStatus==='connected'){try{const file=new File([blob],`export_ai.wav`,{type:'audio/wav'});const formData=new FormData();formData.append('file',file);const uploadResp=await fetch(`${API_AUDIO}/upload`,{method:'POST',body:formData});if(!uploadResp.ok)throw new Error("Upload failed");const uploadData=await uploadResp.json();const uploadId=uploadData.file_id;const exportResp=await fetch(`${API_AUDIO}/export`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({file_id:uploadId,format:fmt,sample_rate:sr,bit_depth:bd})});if(!exportResp.ok)throw new Error("Export failed");const exportData=await exportResp.json();const result=await pollTaskResult(exportData.task_id,20);if(result.success){const downloadUrl=`${API_AUDIO}/download/${result.output_file_id}`;triggerDownload(downloadUrl,targetFilename);}else{throw new Error(result.error||'Server encoding failed');}}catch(transcodeErr){showToast(`Lỗi chuyển đổi: ${transcodeErr.message}. Tải về dạng WAV thay thế.`,"warning");triggerDownload(localUrl,`export_${Date.now()}.wav`);}}else{const finalFilename=fmt==='wav'?`export_${Date.now()}.wav`:`export_${Date.now()}.wav`;if(fmt!=='wav'){showToast("Đang ngoại tuyến. Tải về định dạng WAV thay thế.","warning");}triggerDownload(localUrl,finalFilename);}return{success:true,trackId:tid,range:parseFloat((rawEnd-rawStart).toFixed(3))+'s',format:fmt,channels:numCh===1?'mono':'stereo'};},selectItem:args=>{if(args.select_all){setSelectedTrackId(null);clearLocalSelection();setSelectionMode('global');setSelectionStart(0);const maxDur=tracks.reduce((max,t)=>{const dur=t.buffer?t.buffer.duration:0;const clips=t.clips||[];const clipMax=clips.reduce((m,c)=>Math.max(m,(c.startTime||0)+(c.buffer?c.buffer.duration:0)),0);return Math.max(max,dur,clipMax);},0);setSelectionEnd(Math.max(maxDur,currentTime+10));return{success:true,selection:'all',duration:parseFloat(Math.max(maxDur,currentTime+10).toFixed(3))};}const tid=args.track_id||selectedTrackId;const track=tracks.find(t=>t.id===tid);if(!track)return{success:false,error:`Track ${tid} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,name:track.name,buffer:track.buffer,startTime:track.startTime||0}]:[];if(args.item_name){const match=clips.find(c=>c.name&&c.name.toLowerCase().includes(args.item_name.toLowerCase()));if(!match)return{success:false,error:`No clip matching "${args.item_name}" on track ${track.name}`};setSelectedTrackId(tid);clearLocalSelection();setSelectionMode('global');const start=match.startTime||0;const end=start+(match.buffer?match.buffer.duration:2);setSelectionStart(start);setSelectionEnd(end);return{success:true,trackId:tid,trackName:track.name,clipId:match.id,clipName:match.name,start:parseFloat(start.toFixed(3)),end:parseFloat(end.toFixed(3))};}setSelectedTrackId(tid);clearLocalSelection();setSelectionMode('global');const trackEnd=track.buffer?track.buffer.duration:clips.length>0?Math.max(...clips.map(c=>(c.startTime||0)+(c.buffer?c.buffer.duration:0))):4;setSelectionStart(0);setSelectionEnd(trackEnd);return{success:true,trackId:tid,trackName:track.name,duration:parseFloat(trackEnd.toFixed(3))};},addMarker:args=>{const trackId=args.track_id||selectedTrackId;const time=args.time??currentTime;const track=tracks.find(t=>t.id===trackId);if(!track)return{success:false,error:'Track not found'};setTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;return{...t,markers:[...(t.markers||[]),{id:'ai_marker_'+Date.now(),time,label:args.label||'AI Marker'}]};}));return{success:true,trackId,time};},fadeIn:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let trackIdRaw=args.track_id;if(trackIdRaw&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(trackIdRaw)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+trackIdRaw===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){trackIdRaw=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!trackIdRaw)trackIdRaw=currentSelTrackId;const track=currentTracks.find(t=>t.id===String(trackIdRaw)||t.id==='track_'+trackIdRaw);if(!track)return{success:false,error:`Track ${trackIdRaw} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0)return{success:false,error:'No clips on track'};let clip=null;if(args.clip_id){clip=clips.find(c=>c.id===args.clip_id);}else if(args.clip_index!==undefined){const idx=parseInt(args.clip_index);const realIdx=idx>0?idx-1:0;clip=clips[realIdx]||clips[0];}else{clip=clips[0];}if(!clip||!clip.buffer)return{success:false,error:'Clip has no audio buffer'};const duration=parseFloat(args.duration_seconds||3);const buffer=clip.buffer;const sr=buffer.sampleRate;const numChannels=buffer.numberOfChannels;const length=buffer.length;const ctx=getAudioContext();const newBuffer=ctx.createBuffer(numChannels,length,sr);for(let c=0;c{if(t.id!==track.id)return t;const existingClips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];const updatedClips=existingClips.map(c=>{if(c.id===clip.id||clip.id.startsWith('default_')&&c.id==='default'){return{...c,buffer:newBuffer};}return c;});const mainBuffer=updatedClips[0]?.buffer||t.buffer;return{...t,clips:updatedClips,buffer:mainBuffer};});if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentTracks=nextTracks;}setTracks(nextTracks);setTimeout(()=>{const afterSnap=captureTrackSnapshot(track.id);pushAction('AI_FADE_IN',track.id,beforeSnap,afterSnap);},50);return{success:true,trackId:track.id,clipId:clip.id,duration_seconds:duration};},fadeOut:args=>{const currentTracks=window.DAWCommandDispatcher?.currentTracks||tracks;const currentSelTrackId=window.DAWCommandDispatcher?.currentSelectedTrackId||selectedTrackId;let trackIdRaw=args.track_id;if(trackIdRaw&&window.DAWCommandDispatcher?.lastCutSourceTrackId&&(String(trackIdRaw)===String(window.DAWCommandDispatcher.lastCutSourceTrackId)||'track_'+trackIdRaw===String(window.DAWCommandDispatcher.lastCutSourceTrackId))){trackIdRaw=window.DAWCommandDispatcher.lastCutNewTrackId;}if(!trackIdRaw)trackIdRaw=currentSelTrackId;const track=currentTracks.find(t=>t.id===String(trackIdRaw)||t.id==='track_'+trackIdRaw);if(!track)return{success:false,error:`Track ${trackIdRaw} not found`};const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];if(clips.length===0)return{success:false,error:'No clips on track'};let clip=null;if(args.clip_id){clip=clips.find(c=>c.id===args.clip_id);}else if(args.clip_index!==undefined){const idx=parseInt(args.clip_index);const realIdx=idx>0?idx-1:0;clip=clips[realIdx]||clips[0];}else{clip=clips[0];}if(!clip||!clip.buffer)return{success:false,error:'Clip has no audio buffer'};const duration=parseFloat(args.duration_seconds||3);const buffer=clip.buffer;const sr=buffer.sampleRate;const numChannels=buffer.numberOfChannels;const length=buffer.length;const ctx=getAudioContext();const newBuffer=ctx.createBuffer(numChannels,length,sr);for(let c=0;c{if(t.id!==track.id)return t;const existingClips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];const updatedClips=existingClips.map(c=>{if(c.id===clip.id||clip.id.startsWith('default_')&&c.id==='default'){return{...c,buffer:newBuffer};}return c;});const mainBuffer=updatedClips[0]?.buffer||t.buffer;return{...t,clips:updatedClips,buffer:mainBuffer};});if(window.DAWCommandDispatcher){window.DAWCommandDispatcher.currentTracks=nextTracks;}setTracks(nextTracks);setTimeout(()=>{const afterSnap=captureTrackSnapshot(track.id);pushAction('AI_FADE_OUT',track.id,beforeSnap,afterSnap);},50);return{success:true,trackId:track.id,clipId:clip.id,duration_seconds:duration};},generateMultitrackMidi:args=>{const{composition_title,bpm:aiBpm,total_bars,tracks:aiTracks}=args;if(aiBpm){setBpm(aiBpm.toString());}const bpmVal=aiBpm||parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;const secondsPerBar=secondsPerBeat*4;const durationSec=total_bars*secondsPerBar;updateActiveTracks(prev=>{let updatedTracks=[...prev];aiTracks.forEach(aiTrack=>{let targetTrack=updatedTracks.find(t=>t.name.toLowerCase()===aiTrack.track_name.toLowerCase());if(!targetTrack){const newId=(updatedTracks.length+1).toString();const colors=['#0f766e','#1d4ed8','#701a75','#a21caf','#b45309'];const selectColor=colors[updatedTracks.length%colors.length];targetTrack={id:newId,name:aiTrack.track_name,type:'MIDI',volumeDb:0,pan:0,muted:false,solo:false,color:selectColor,markers:[],serverFileId:null,clips:[],sections:[],midiItems:[],isArmed:false,monitoringEnabled:true,inputSource:{deviceType:'NONE',deviceId:''}};updatedTracks.push(targetTrack);}const itemStartTimeSec=currentTime;const newMidiItem={id:'item_ai_'+Date.now()+'_'+Math.random().toString(36).substr(2,5),name:`${composition_title||'AI Theme'} - ${aiTrack.track_name}`,startTime:itemStartTimeSec,duration:durationSec,notes:aiTrack.notes.map((note,index)=>({id:`note_ai_${Date.now()}_${index}`,pitch:note.pitch,start_beat:note.start_beat,duration_beats:note.duration_beats,velocity:note.velocity||0.8,pan:0.0}))};targetTrack.midiItems=[...(targetTrack.midiItems||[]),newMidiItem];});return updatedTracks;});showToast(`Đã nạp ${aiTracks.length} tracks MIDI thế hệ AI!`,'success');return{success:true};},createMidiItem:args=>{const trackId=args.track_id||selectedTrackId;if(!trackId)return{success:false,error:'No track_id provided'};const secondsPerBar=60.0/(parseInt(bpm)||120)*4;const startBar=args.start_bar!==undefined?parseFloat(args.start_bar):0;const lengthBars=args.length_bars!==undefined?parseFloat(args.length_bars):4;const midiItem={id:`midi_${Date.now()}_${Math.random().toString(36).substr(2,5)}`,name:'MIDI Item',startTime:startBar*secondsPerBar,duration:lengthBars*secondsPerBar,notes:[],color:'#a78bfa'};updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId&&t.id!=='track_'+trackId)return t;return{...t,midiItems:[...(t.midiItems||[]),midiItem]};}));return{success:true,itemId:midiItem.id,trackId};},modifyMidiNotes:args=>{const itemId=args.item_id;if(!itemId)return{success:false,error:'No item_id provided'};const noteNameToMidi=name=>{if(typeof name==='number')return name;if(!name||typeof name!=='string')return 60;const match=name.match(/^([A-Ga-g]#?|b?)(-?\d+)$/);if(!match){const num=parseInt(name);return isNaN(num)?60:num;}const noteNames={'c':0,'c#':1,'db':1,'d':2,'d#':3,'eb':3,'e':4,'f':5,'f#':6,'gb':6,'g':7,'g#':8,'ab':8,'a':9,'a#':10,'bb':10,'b':11};const key=match[1].toLowerCase();const octave=parseInt(match[2]);const base=noteNames[key]!==undefined?noteNames[key]:0;return(octave+1)*12+base;};const newNotes=(args.notes||[]).map((n,index)=>({id:`note_mod_${Date.now()}_${index}`,pitch:noteNameToMidi(n.pitch),start_beat:parseFloat(n.start_time||0),duration_beats:parseFloat(n.duration||1),velocity:n.velocity!==undefined?n.velocity/127.0:0.8,pan:0.0}));updateActiveTracks(prev=>prev.map(t=>{const items=t.midiItems||[];const exists=items.some(m=>m.id===itemId);if(!exists)return t;return{...t,midiItems:items.map(m=>m.id===itemId?{...m,notes:newNotes}:m)};}));return{success:true,itemId};}};window.DAWCommandDispatcher.registerDAWCommands(api);},[tracks,selectedTrackId,currentTime,bpm]);// ── Save AI config to localStorage ──