from ollama import generate
from config import Config
from helpers.image_helper import get_image_bytes

system_prompt = Config.SYSTEM_PROMPT

def analyze_image_file(image_file, model, user_prompt):
    # gets image bytes using helper function
    image_bytes = get_image_bytes(image_file)

    # calls the llava model using Ollama SDK
    stream = generate(model=model, 
            prompt=user_prompt, 
            images=[image_bytes], 
            stream=True)

    return stream

# handles stream response back from LLM
def stream_parser(stream):
    for chunk in stream:
        yield chunk['response']