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ytLlive/TASKS.md
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# ytLive — Task List
## TASK 1 — Initial Scaffold
**Goal:** Working C# / WPF project with MVVM architecture, dark-theme main window, and YouTube service stubs.
### Status: ✅ Done
- Models: Scene, Source, StreamConfig, StreamHealth, YouTubeChannel, ChatMessage
- Services: YouTubeAuthService (OAuth2), YouTubeStreamService (broadcast/health), YouTubeChatService (chat polling)
- MainViewModel: scene management, stream controls, chat
- MainWindow: scene/source panel, preview area, chat panel, status bar
- Clean build, 0 warnings (WSL + Windows)
---
## TASK 2 — YouTube OAuth2 Authentication
**Goal:** Fully working Google OAuth2 flow — user clicks "YouTube", browser opens, authorization callback lands, channel info is stored.
### Requirements:
1. **Google Cloud OAuth credentials** — client ID + secret (user provides; needs "Localhost" redirect URI)
2. **Local HTTP listener**`HttpListener` on `http://localhost:PORT/oauth2/callback` to catch the redirect
3. **Browser launch** — open the authorization URL in the default browser
4. **Token persistence** — store access/refresh tokens securely (Windows DPAPI), reload on startup
5. **UI state** — account name/avatar shown when connected, connection status reflected
### Tests:
- Mock token exchange response, verify channel info parsed
- Verify token refresh triggers when near expiry
- Verify credential load/save roundtrip
### Status: Not started
---
## TASK 3 — Capture Pipeline (Scenes/Sources)
**Goal:** Real video preview in the center panel — display capture, window capture, webcam, images, text overlays, composited per scene.
### Requirements:
1. **Display capture** — Windows.Graphics.Capture API (WinRT), enumerate monitors
2. **Window capture** — enumerate top-level windows, capture per-window
3. **Webcam** — MediaCapture (WinRT) with device enumeration
4. **Image / text overlay** — static sources positioned/scaled/opacity
5. **Scene compositing** — per-scene source layering (z-order), preview rendered via D3DImage or MediaElement
6. **Drag/drop source placement** — intuitive, visual (per design principle)
### Status: Not started
---
## TASK 4 — RTMP Ingest to YouTube
**Goal:** Push encoded video to YouTube's RTMP ingest.
### Requirements:
1. **Encoding** — H.264 (hardware via NVENC/AMD, fallback x264) + AAC audio
2. **RTMP push** — FFmpeg subprocess or native RTMP library
3. **Stream key management** — save keys securely, prefill default YouTube ingest URL `rtmp://a.rtmp.youtube.com/live2`
4. **Health stats** — bitrate, FPS, dropped frames reported live in the bottom bar
5. **One-click go live** — defaults that work out of the box
### Status: Not started
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## TASK 5 — YouTube Live Stream Management
**Goal:** Create/bind broadcasts, monitor YouTube-side stream health.
### Requirements:
1. **Broadcast creation** — title/description/visibility via API
2. **Stream binding** — create stream, bind to broadcast
3. **Health monitoring** — poll `liveBroadcasts` lifecycle status, surface YouTube health messages
4. **Live chat** — poll `liveChat/messages`, render in right panel, support Super Chat + membership badges
### Status: Not started
---
## Backlog (future versions)
- v0.2 — Recording to local file
- v0.3 — Stream scheduling
- v0.4 — Multi-destination restreaming