# API Keys and Credentials (at least one required, or use Ollama)
OPENAI_API_KEY=your_openai_api_key_here
HUGGINGFACE_API_KEY=your_huggingface_api_key_here
ANTHROPIC_API_KEY=your_anthropic_api_key_here

# Ollama Configuration (local LLM - no API key needed)
OLLAMA_BASE_URL=http://localhost:11434
OLLAMA_MODEL=llama2
OLLAMA_EMBEDDING_MODEL=nomic-embed-text

# Vector Database Configuration
PINECONE_API_KEY=your_pinecone_api_key_here
PINECONE_ENVIRONMENT=us-west1-gcp
PINECONE_INDEX_NAME=ai-api-vectors

# Authentication
API_KEYS=demo-key-1,demo-key-2,admin-key-3
ADMIN_API_KEYS=admin-key-3

# Rate Limiting (requests per minute)
RATE_LIMIT_DEFAULT=60
RATE_LIMIT_PREMIUM=300
RATE_LIMIT_ADMIN=1000

# Model Configuration
DEFAULT_CHAT_MODEL=llama2
DEFAULT_EMBEDDING_MODEL=nomic-embed-text
DEFAULT_IMAGE_MODEL=dall-e-3
DEFAULT_VOICE_MODEL=tts-1

# Service Configuration
PORT=8000
LOG_LEVEL=info
CORS_ORIGINS=http://localhost:3000,http://localhost:5173

# Document Processing
MAX_FILE_SIZE_MB=10
CHUNK_SIZE=1000
CHUNK_OVERLAP=200

# Background Workers
ENABLE_BACKGROUND_WORKERS=true
WORKER_CONCURRENCY=5