# Hugging Face Hub Integration Configuration
# Data Transfer Operations Framework
# Uses HF Hub with Xet backend for artifact storage

# Repository Configuration
repositories:
  artifacts:
    id: "adaptai/dto-artifacts"
    description: "Primary artifact storage for models, checkpoints, and experiments"
    type: "model"
    private: true
    
  datasets:
    id: "adaptai/dto-datasets"  
    description: "Dataset storage for training and evaluation data"
    type: "dataset"
    private: true
    
  models:
    id: "adaptai/dto-models"
    description: "Model storage for trained models and checkpoints"
    type: "model"
    private: true

# Artifact Management Policies
artifacts:
  # Retention policies
  retention_days: 90
  auto_cleanup: false  # HF handles storage management
  
  # Compression settings (handled by HF+Xet)
  auto_compress: true
  
  # Integrity verification
  checksum_verification: true
  checksum_algorithm: "sha256"

# Synchronization Settings
sync:
  # Automatic sync intervals (in seconds)
  interval: 3600  # 1 hour
  
  # Conflict resolution
  conflict_policy: "timestamp"  # newest wins
  
  # Bandwidth throttling (handled by HF)
  max_bandwidth_mbps: 1000
  
  # Retry settings
  max_retries: 3
  retry_delay: 30

# Security Configuration
security:
  # Authentication
  auth_method: "token"
  token_env_var: "HF_TOKEN"
  
  # Encryption (handled by HF infrastructure)
  encryption_enabled: true
  
  # Access control
  read_only: false

# Monitoring and Metrics
monitoring:
  # Prometheus metrics
  enable_metrics: true
  metrics_port: 9092
  
  # Health checks
  health_check_interval: 300
  
  # Logging
  log_level: "INFO"
  log_file: "/var/log/dto-huggingface.log"

# Integration Hooks
hooks:
  # Pre-upload hooks
  pre_upload: "/opt/dto/hooks/pre-hf-upload.sh"
  
  # Post-upload hooks  
  post_upload: "/opt/dto/hooks/post-hf-upload.sh"
  
  # Pre-download hooks
  pre_download: "/opt/dto/hooks/pre-hf-download.sh"
  
  # Post-download hooks
  post_download: "/opt/dto/hooks/post-hf-download.sh"

# Performance Optimization
performance:
  # Parallel transfers (handled by HF)
  max_parallel_transfers: 8
  
  # Chunk size for large files (handled by HF+Xet)
  chunk_size_mb: 64
  
  # Cache settings
  cache_enabled: true
  cache_size_gb: 50
  
  # Connection pooling
  max_connections: 12
  connection_timeout: 30

# Xet Backend Configuration (Transparently handled by Hugging Face)
xet_backend:
  enabled: true
  compression: "zstd"
  deduplication: true
  versioning: true
  
# Hugging Face Specific Settings
huggingface:
  # API endpoint
  endpoint: "https://huggingface.co"
  
  # Timeout settings
  timeout: 30
  
  # Rate limiting
  requests_per_hour: 5000
  
  # Community features
  enable_comments: false
  enable_discussions: false