# Quixotic - Work Log

## 2025-08-25

### Project Setup
- [x] Initialized project structure with directories: src/, public/, database/
- [x] Created package.json with required dependencies:
  - express (web server)
  - sqlite3 (database)
  - node-telegram-bot-api (Telegram bot)
  - ytdl-core (YouTube downloads)
  - fluent-ffmpeg (MP3 conversion)
  - axios (HTTP requests)
- [x] Set up SQLite database schema with tables:
  - users (telegram users)
  - search_history (user search queries)
  - downloads (converted files tracking)
- [x] Initialized git repository

### Completed Features
- [x] Create Telegram Web App HTML interface
- [x] Implement YouTube search functionality  
- [x] Add video thumbnail display
- [x] Implement MP3 conversion with ffmpeg
- [x] Set up Telegram bot integration
- [x] Created configuration files (.env.example, .gitignore)
- [x] Added comprehensive README with deployment instructions

### Technical Implementation
- **Frontend**: Responsive Web App with Telegram Web App SDK integration
- **Backend**: Express.js server with RESTful API
- **Database**: SQLite with user management and search history
- **YouTube**: Custom search implementation with fallback methods
- **Audio**: FFmpeg-based MP3 conversion pipeline
- **Bot**: Full Telegram Bot API integration with inline queries

### Files Created
- `src/server.js` - Main Express server with API endpoints
- `src/bot.js` - Telegram bot with commands and Web App integration  
- `src/youtube.js` - YouTube search and audio stream extraction
- `src/database.js` - SQLite database management
- `public/index.html` - Web App interface
- `public/style.css` - Responsive CSS with Telegram theming
- `public/script.js` - Frontend JavaScript with Web App SDK
- Configuration and documentation files

### Next Steps for Deployment
- [x] Install FFmpeg on target server  
- [x] Set up environment variables
- [x] Configure Telegram bot with BotFather
- [x] Deploy to hosting platform (Docker with Traefik SSL)

## 2025-08-26

### TypeScript Migration
- [x] Migrated entire project from JavaScript to TypeScript
- [x] Added type definitions for all dependencies
- [x] Created separate TypeScript configs for backend/frontend
- [x] Updated build process and package.json scripts
- [x] All files converted: server.ts, bot.ts, database.ts, soundcloud.ts, script.ts

### Docker & Production Setup  
- [x] Complete Docker setup with multi-stage builds
- [x] Traefik reverse proxy with automatic SSL (Let's Encrypt)
- [x] GitHub Actions CI/CD with security scanning
- [x] Production deployment configuration

## 2025-08-27

### Critical Issues Discovered
- [x] YouTube integration completely blocked by bot detection
- [x] Attempted multiple YouTube packages (play-dl, ytdl-core, youtube-dl-exec)
- [x] All anonymous methods return 403 errors from YouTube
- [x] SoundCloud integration attempted as replacement

### SoundCloud Integration Failure
- [x] Installed soundcloud-downloader package
- [x] Created SoundCloudService class with proper error handling
- [x] **CRITICAL BUG FOUND**: Frontend sends YouTube video IDs, backend expects SoundCloud IDs
- [x] This architectural mismatch breaks the entire conversion flow

### Current Status: BROKEN
- ❌ **Music search**: No working backend service
- ❌ **MP3 conversion**: Depends on working search
- ❌ **Download functionality**: Cannot find tracks
- ✅ **Infrastructure**: Telegram bot, database, Docker all working
- ✅ **Frontend UI**: Search interface functional
- ✅ **TypeScript**: Full type safety implemented

### Alternative Sources Analysis
- [x] Evaluated Archive.org, Jamendo, Bandcamp, Spotify
- [x] Archive.org identified as most promising (largest free collection)
- [ ] **NEXT**: Implement Archive.org integration
- [ ] **NEXT**: Fix frontend-backend service mismatch