# YouTube Transcript Chatbot Configuration

app:
  title: "AI-Powered YouTube Transcript Tutor"
  description: "Ask questions from YouTube lecture transcripts using AI"
  version: "1.0.0"
  
ui:
  theme: "light"  # light, dark, auto
  sidebar_width: 300
  max_chat_history_display: 50
  enable_animations: true
  
processing:
  default_chunk_size: 1000
  chunk_overlap: 200
  max_transcript_length: 1000000  # 1MB
  supported_languages: ["en", "es", "fr", "de", "it", "pt", "ru", "ja", "ko", "zh"]
  default_language: "en"
  
ai:
  model_temperature: 0.7
  max_tokens: 2000
  retrieval_k: 4  # Number of documents to retrieve
  chain_type: "stuff"  # stuff, map_reduce, refine, map_rerank
  
export:
  formats: ["pdf", "txt", "json"]
  max_export_entries: 1000
  pdf_page_size: "A4"
  
cache:
  enable_vectorstore_cache: true
  cache_directory: "cache"
  max_cache_size_mb: 500
  
logging:
  level: "INFO"  # DEBUG, INFO, WARNING, ERROR, CRITICAL
  file: "logs/app.log"
  max_file_size_mb: 10
  backup_count: 5
  
security:
  max_url_length: 2048
  allowed_domains: ["youtube.com", "youtu.be", "m.youtube.com"]
  rate_limit_requests: 100
  rate_limit_window_minutes: 60