# Crawl4AI MCP Server Environment Configuration
# Copy this file to .env and fill in your actual API keys

# =============================================================================
# LLM Provider API Keys
# =============================================================================

# OpenAI API Key
# Get from: https://platform.openai.com/api-keys
OPENAI_API_KEY=sk-proj-your-openai-api-key-here

# Anthropic API Key  
# Get from: https://console.anthropic.com/
ANTHROPIC_API_KEY=sk-ant-your-anthropic-api-key-here

# Azure OpenAI Configuration
# Get from: https://portal.azure.com/
AZURE_OPENAI_API_KEY=your-azure-openai-api-key-here
AZURE_OPENAI_ENDPOINT=https://your-resource.openai.azure.com

# =============================================================================
# YouTube Transcript Extraction Configuration
# =============================================================================

# No configuration required for YouTube transcript extraction!
# The youtube-transcript-api v1.1.0+ works out of the box without any API keys or authentication.
# Simply use the YouTube transcript extraction tools directly.

# =============================================================================
# Search and External API Configuration  
# =============================================================================

# Google Search API Configuration
# =============================================================================
# Option 1: Default (googlesearch-python only) - No configuration needed
# Option 2: Custom Search API only - Set GOOGLE_SEARCH_MODE=custom_search_only
# Option 3: Hybrid (fallback) - Set GOOGLE_SEARCH_MODE=hybrid (default)

# Custom Search API Credentials (Required for custom search functionality)
# Get API key from: https://console.cloud.google.com/apis/credentials
# Create search engine at: https://cse.google.com/cse/
GOOGLE_SEARCH_API_KEY=your-google-search-api-key-here
GOOGLE_SEARCH_ENGINE_ID=your-custom-search-engine-id-here

# Search API Mode Configuration
# "googlesearch_only": Use only googlesearch-python library (default behavior)
# "custom_search_only": Use only Google Custom Search API
# "hybrid": Use googlesearch-python with Custom Search API fallback (recommended)
GOOGLE_SEARCH_MODE=hybrid

# Rate Limiting Configuration
# Maximum requests per minute for each search method
GOOGLESEARCH_PYTHON_RPM=60
CUSTOM_SEARCH_API_RPM=100

# Retry Configuration
# Maximum retries before giving up on a search method
GOOGLE_SEARCH_MAX_RETRIES=3

# Fallback delay (seconds) before switching to alternative method
GOOGLE_SEARCH_FALLBACK_DELAY=2

# =============================================================================
# Application Configuration
# =============================================================================

# MCP Server Configuration
FASTMCP_LOG_LEVEL=INFO

# Python Path (adjust for your environment)
# PYTHONPATH=/path/to/your/venv/lib/python3.10/site-packages

# =============================================================================
# Security Notes
# =============================================================================
# - Never commit this file with real API keys
# - Use environment-specific .env files (.env.development, .env.production)
# - Regularly rotate your API keys for security
# - Check API usage and quotas regularly