import os
from typing import Dict

from fastapi import APIRouter, HTTPException, status

router = APIRouter()


@router.get(
    "/env/content",
    response_model=Dict[str, str],
    summary="Get content from CONTENT environment variable",
    description="Returns the value of the CONTENT environment variable "
               "if set and not empty"
)
def get_content_env_var():
    """
    Retrieve the value of the CONTENT environment variable.
    
    Returns:
        dict: A dictionary containing the CONTENT environment variable value
        
    Raises:
        HTTPException: If the CONTENT environment variable is not set or is empty
    """
    content_value = os.environ.get("CONTENT")
    
    if content_value is None or content_value == "":
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND,
            detail="CONTENT environment variable is not set or is empty"
        )
        
    return {"content": content_value}