FILEPATH = os.path.join(os.path.dirname(__file__), "media/image_bison.jpg")

def image_to_base64(image_path):
    with open(image_path, "rb") as image_file:
        encoded_string = base64.b64encode(image_file.read()).decode("utf-8")
    return encoded_string

@function_tool
def fetch_random_image() -> ToolOutputImage | ToolOutputImageDict:
    """Fetch a random image."""

    print("Image tool called")
    b64_image = image_to_base64(FILEPATH)
    return {
        "type": "image",
        "image_url": f"data:image/jpeg;base64,{b64_image}",
        "detail": "auto",
    }