# AI News Research Agent - Production Configuration Template
# Copy this file to .env and fill in your actual values

# ============================================================================
# LLM CONFIGURATION
# ============================================================================

# Local embeddings are used for semantic deduplication.
# No embedding API key is required.
EMBEDDING_MODEL=sentence-transformers/all-MiniLM-L6-v2

# OpenRouter API (primary provider - no rate limits)
# Get key from: https://openrouter.ai/settings
OPENROUTER_API_KEY=your_openrouter_api_key_here
OPENROUTER_MODEL=liquid/lfm-2.5-1.2b-thinking:free

# Groq API (fallback provider - has rate limits)
# Get key from: https://console.groq.com/keys
GROQ_API_KEY=your_groq_api_key_here
GROQ_MODEL=llama-3.3-70b-versatile

# Gemini API (final newsletter formatting)
# Get key from: https://aistudio.google.com/app/apikey
GEMINI_API_KEY=your_gemini_api_key_here
GEMINI_MODEL=gemini-2.5-flash

# ============================================================================
# LANGCHAIN & OBSERVABILITY
# ============================================================================

# LangChain API for tracing and debugging
# Get key from: https://smith.langchain.com/
LANGCHAIN_API_KEY=your_langchain_api_key_here
LANGCHAIN_TRACING_V2=true

# ============================================================================
# TELEGRAM BOT
# ============================================================================

# Get token from BotFather on Telegram (@BotFather)
TELEGRAM_BOT_TOKEN=your_telegram_bot_token_here

# Your personal chat ID to receive newsletters
# Get from @userinfobot on Telegram
TELEGRAM_CHAT_ID=your_telegram_chat_id_here

# ============================================================================
# DATABASE
# ============================================================================

# PostgreSQL connection (for persistent workflow checkpoints)
# Format: postgresql+psycopg://user:password@host:port/database
# Leave empty to use in-memory checkpointing
POSTGRES_URL=postgresql+psycopg://user:password@localhost:5432/news_agent

# SQLite fallback path (used if PostgreSQL not configured)
SQLITE_DB_PATH=newsletter.db

# ============================================================================
# VECTOR STORE
# ============================================================================

# ChromaDB path (for semantic embeddings and deduplication)
CHROMA_PATH=./chroma_data

# ============================================================================
# SOCIAL MEDIA API CREDENTIALS (Optional - not needed for MVP)
# ============================================================================

# Reddit API (for subreddit scraping)
REDDIT_CLIENT_ID=your_reddit_client_id
REDDIT_CLIENT_SECRET=your_reddit_client_secret

# Twitter/X API (for tweet collection)
TWITTER_BEARER_TOKEN=your_twitter_bearer_token

# ============================================================================
# SCHEDULER CONFIGURATION
# ============================================================================

# Daily newsletter time (24-hour format)
NEWSLETTER_HOUR=9
NEWSLETTER_MINUTE=0

# ============================================================================
# NEWSLETTER SETTINGS
# ============================================================================

# Minimum items required to send newsletter
MIN_NEWS_ITEMS=5

# Maximum items to include in newsletter
MAX_NEWS_ITEMS=20

# Similarity threshold for deduplication (0.0-1.0)
# Higher = stricter deduplication (more sensitive to duplicates)
SIMILARITY_THRESHOLD=0.85

# ============================================================================
# LOGGING
# ============================================================================

# Log level: DEBUG, INFO, WARNING, ERROR, CRITICAL
LOG_LEVEL=INFO

# ============================================================================
# FEATURE FLAGS
# ============================================================================

# Enable semantic embeddings for deduplication
USE_EMBEDDINGS=true

# Use PostgreSQL for persistent checkpoints
# Leave false for free Render deployments
USE_POSTGRES_CHECKPOINT=false

# ============================================================================
# GOOGLE DRIVE INTEGRATION
# ============================================================================

# Enable Google Drive integration for LinkedIn newsletter
# Set to true to save LinkedIn newsletter to Google Drive
ENABLE_GOOGLE_DRIVE=false

# Google Drive folder ID (get from folder URL)
# Example: https://drive.google.com/drive/folders/ABC123xyz...
GOOGLE_DRIVE_FOLDER_ID=your_folder_id_here

# Google Service Account JSON credentials
# Copy the entire JSON from Google Cloud Console > Service Accounts
# Format: {"type":"service_account","project_id":...}
GOOGLE_SERVICE_ACCOUNT_JSON={"type":"service_account","project_id":"","private_key":"","client_email":""}

# ============================================================================
# AGENTROUTER MULTI-AGENT ORCHESTRATION
# ============================================================================

# AgentRouter API for multi-agent orchestration
# Get key from: https://agentrouter.to/ (sign in and copy API key)
AGENTROUTER_API_KEY=your_agentrouter_api_key_here

# Model to use for AgentRouter agents (default: usf-mini)
AGENTROUTER_MODEL=claude-opus-4-6

# ============================================================================
# RUN MODE
# ============================================================================

# Set to true when running from scheduled cron job
# This triggers LinkedIn newsletter generation
# Only set this in your cron job command, not in .env
# IS_SCHEDULED_RUN=true