from dotenv import load_dotenv

load_dotenv()

import streamlit as st
import os
import google.generativeai as genai
from PIL import Image

genai.configure(api_key=os.getenv("Google_API_Key"))

def get_gemini_response(input, image, prompt):
    model = genai.GenerativeModel('gemini-pro-vision')
    response = model.generate_content([input, image[0],prompt])
    return response.text


def input_image_setup(uploaded_file):
    if uploaded_file is not None:
        bytes_data = uploaded_file.getvalue()

        image_parts = [
            {
                "mime_type": uploaded_file.type,
                "data": bytes_data
            }
        ]
        return image_parts
    else:
        raise FileNotFoundError("No file uploaded")
    

st.set_page_config(page_title="Gemini Health App")

st.header("Gemini Health App")

input = st.text_input("Input Prompt: ", key="input")
uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])

image = ""

if uploaded_file is not None:
    image = Image.open(uploaded_file)
    st.image(image, caption="Uploaded Image.", use_column_width=True)

submit = st.button("Tell me the total calories")

input_prompt="""
You are an expert in nutritionist where you need to see the food items from the image
               and calculate the total calories, also provide the details of every food items with calories intake
               is below format

               1. Item 1 - no of calories
               2. Item 2 - no of calories
               ----
               ----
        Finally you can also mention whether the food is healthy or not and also
        mention the 
        percentage split of the ratio of carbohydrates,fats,fibres,sugar and other important 
        things required in our diet

"""

if submit:
    
    image_data = input_image_setup(uploaded_file)
    response = get_gemini_response(input_prompt, image_data,input)

    st.subheader("The Response is")
    st.write(response)