"""Configuration and environment variables."""

import os

# Model configuration
MODEL_NAME = os.getenv("FACE_MODEL_NAME", "buffalo_l")
DET_SIZE = int(os.getenv("FACE_DET_SIZE", "1024"))

# Image processing limits
MAX_DOWNLOAD_SIZE = int(os.getenv("MAX_DOWNLOAD_SIZE", 20 * 1024 * 1024))  # 20MB
MAX_IMAGE_DIMENSION = int(os.getenv("MAX_IMAGE_DIMENSION", 8192))  # 8192px
MIN_IMAGE_DIMENSION = int(os.getenv("MIN_IMAGE_DIMENSION", 32))  # 32px

# HTTP client settings
DOWNLOAD_TIMEOUT = float(os.getenv("DOWNLOAD_TIMEOUT", 15.0))  # 15 seconds
MAX_RETRIES = int(os.getenv("MAX_RETRIES", 3))

# TODO [PROD]: Add URL allowlist for SSRF protection
# ALLOWED_URL_PATTERNS = os.getenv("ALLOWED_URL_PATTERNS", "").split(",")

# TODO [PROD]: Add API key authentication
# API_KEY = os.getenv("API_KEY", "")

# TODO [PROD]: Add rate limiting configuration
# RATE_LIMIT_REQUESTS = int(os.getenv("RATE_LIMIT_REQUESTS", 100))
# RATE_LIMIT_WINDOW = int(os.getenv("RATE_LIMIT_WINDOW", 60))