# ==============================================
# SerpentRace Backend Environment Configuration
# ==============================================
# Copy this file to .env and fill in your values

# APPLICATION CONFIGURATION
NODE_ENV=development
PORT=3000
APP_BASE_URL=http://localhost:3000

# DATABASE CONFIGURATION (PostgreSQL)
DB_HOST=localhost
DB_PORT=5432
DB_NAME=serpentrace
DB_USERNAME=postgres
DB_PASSWORD=your_db_password

# REDIS CONFIGURATION
REDIS_HOST=localhost
REDIS_PORT=6379
REDIS_URL=redis://localhost:6379

# JWT AUTHENTICATION CONFIGURATION
JWT_SECRET=your-super-secure-secret-key-here
JWT_REFRESH_SECRET=your-super-secure-refresh-secret-key-here

# Access Token Expiry (choose ONE option, priority order listed):
JWT_ACCESS_TOKEN_EXPIRY=1800        # Seconds (recommended for production)
# JWT_ACCESS_TOKEN_EXPIRATION=30m   # Duration string (user-friendly)
# JWT_EXPIRY=1800                   # Legacy: seconds
# JWT_EXPIRATION=30m                # Legacy: duration string

# Refresh Token Expiry (choose ONE option, priority order listed):
JWT_REFRESH_TOKEN_EXPIRY=604800     # Seconds (7 days)
# JWT_REFRESH_TOKEN_EXPIRATION=7d   # Duration string (recommended)
# JWT_REFRESH_EXPIRATION=7d         # Legacy: duration string

# Cookie Names (optional)
JWT_COOKIE_NAME=auth_token
JWT_REFRESH_COOKIE_NAME=refresh_token

# Legacy JWT Configuration (deprecated - use above options)
# JWT_EXPIRY=86400
# JWT_EXPIRATION=24h
GAME_TOKEN_EXPIRY=86400

# EMAIL SERVICE CONFIGURATION
EMAIL_HOST=smtp.gmail.com
EMAIL_PORT=587
EMAIL_USER=your_email@domain.com
EMAIL_PASS=your_email_password
EMAIL_FROM=noreply@serpentrace.com

# CHAT SYSTEM CONFIGURATION
CHAT_INACTIVITY_TIMEOUT_MINUTES=30
CHAT_MAX_MESSAGES_PER_USER=100
CHAT_MESSAGE_CLEANUP_WEEKS=4

# GAME CONFIGURATION
MAX_SPECIAL_FIELDS_PERCENTAGE=67
MAX_GENERATION_TIME_SECONDS=20
GENERATION_ERROR_TOLERANCE=15