"""
Application configuration settings.

This module handles environment variables and application configuration
using simple os.getenv() approach without external validation libraries.
"""

import os


def get_mongodb_url() -> str:
  """
  Get MongoDB connection URL from environment variables.

  Returns:
      str: MongoDB connection URL

  Returns default localhost URL if MONGODB_URL not set.
  """
  return os.getenv("MONGODB_URL", "mongodb://localhost:27017")


def get_mongodb_database_name() -> str:
  """
  Get MongoDB database name from environment variables.

  Returns:
      str: MongoDB database name
  """
  return os.getenv("MONGODB_DATABASE", "mydocmanager")


def get_redis_url() -> str:
  return os.getenv("REDIS_URL", "redis://localhost:6379/0")


# def get_redis_host() -> str:
#   redis_url = get_redis_url()
#   if redis_url.startswith("redis://"):
#     return redis_url.split("redis://")[1].split("/")[0]
#   else:
#     return redis_url
#
#
# def get_redis_port() -> int:
#   redis_url = get_redis_url()
#   if redis_url.startswith("redis://"):
#     return int(redis_url.split("redis://")[1].split("/")[0].split(":")[1])
#   else:
#     return int(redis_url.split(":")[1])


def get_jwt_secret_key() -> str:
  """
  Get JWT secret key from environment variables.

  Returns:
      str: JWT secret key

  Raises:
      ValueError: If JWT_SECRET is not set in production
  """
  secret = os.getenv("JWT_SECRET")
  if not secret:
    # For development, provide a default key with warning
    if os.getenv("ENVIRONMENT", "development") == "development":
      print("WARNING: Using default JWT secret key for development")
      return "dev-secret-key-change-in-production"
    else:
      raise ValueError("JWT_SECRET environment variable must be set in production")
  return secret


def get_jwt_algorithm() -> str:
  """
  Get JWT algorithm from environment variables.

  Returns:
      str: JWT algorithm (default: HS256)
  """
  return os.getenv("JWT_ALGORITHM", "HS256")


def get_jwt_expire_hours() -> int:
  """
  Get JWT token expiration time in hours from environment variables.

  Returns:
      int: JWT expiration time in hours (default: 24)
  """
  try:
    return int(os.getenv("JWT_EXPIRE_HOURS", "24"))
  except ValueError:
    return 24


def is_development_environment() -> bool:
  """
  Check if running in development environment.

  Returns:
      bool: True if development environment
  """
  return os.getenv("ENVIRONMENT", "development").lower() == "development"


def get_objects_folder() -> str:
  """
  Get Vault path from environment variables.

  Returns:
      str: Vault path
  """
  return os.getenv("OBJECTS_FOLDER", "/objects")


def watch_directory() -> str:
  """Directory to monitor for new files"""
  return os.getenv("WATCH_DIRECTORY", "/watched_files")