import os
from dotenv import load_dotenv

load_dotenv()

# Environment Configuration
DISABLE_MSAL = os.getenv("DISABLE_MSAL", "false").lower() == "true"
HIDE_LOCAL_LOGIN = os.getenv("HIDE_LOCAL_LOGIN", "false").lower() == "true"
BASE_PATH = os.getenv("BASE_PATH", "").rstrip("/")  # Remove trailing slash

def get_base_path() -> str:
    """Get the base path for URLs"""
    return BASE_PATH

def get_full_url(path: str) -> str:
    """
    DEPRECATED: Use get_app_url() from main.py instead for consistency.
    Get full URL with base path prefix.
    """
    import warnings
    warnings.warn(
        "get_full_url() is deprecated. Use get_app_url() from main.py instead.",
        DeprecationWarning,
        stacklevel=2
    )
    path = path.lstrip("/")  # Remove leading slash
    if BASE_PATH:
        return f"{BASE_PATH}/{path}"
    return f"/{path}" if path else "/"

def is_msal_enabled() -> bool:
    """Check if MSAL authentication is enabled"""
    return not DISABLE_MSAL

def show_local_login() -> bool:
    """Check if local login should be shown (hidden in production)"""
    return not HIDE_LOCAL_LOGIN

def get_msal_config():
    """Get MSAL configuration if enabled"""
    if not is_msal_enabled():
        return None
    
    return {
        "client_id": os.getenv("AZURE_CLIENT_ID"),
        "client_secret": os.getenv("AZURE_CLIENT_SECRET"),
        "authority": os.getenv("AZURE_AUTHORITY"),
        "redirect_uri": os.getenv("AZURE_REDIRECT_URI"),
    }