from flask import Flask, render_template, request, jsonify, Response
import google.generativeai as genai
import os
from PIL import Image
import tempfile
import io

app = Flask(__name__)

# Configuration Gemini
token = os.environ.get("TOKEN")
genai.configure(api_key=token)

safety_settings = [
    {"category": "HARM_CATEGORY_HARASSMENT", "threshold": "BLOCK_NONE"},
    {"category": "HARM_CATEGORY_HATE_SPEECH", "threshold": "BLOCK_NONE"},
    {"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT", "threshold": "BLOCK_NONE"},
    {"category": "HARM_CATEGORY_DANGEROUS_CONTENT", "threshold": "BLOCK_NONE"},
]

mm = """ resous cet exercice. tu répondras en détaillant au maximum ton procédé de calcul. réponse attendue uniquement en Latex"""

model = genai.GenerativeModel(
    model_name="gemini-exp-1206",
    safety_settings=safety_settings
)

@app.route('/')
def home():
    return render_template('index.html')

@app.route('/generate', methods=['POST'])
def generate():
    if 'image' not in request.files:
        return jsonify({'error': 'No image uploaded'}), 400

    image_file = request.files['image']

    # Fonction pour générer des chunks de réponse
    def generate_stream():
        with tempfile.NamedTemporaryFile(delete=False, suffix='.png') as temp_file:
            image_file.save(temp_file.name)
            try:
                image = Image.open(temp_file.name)
                # Convertir l'image en bytes pour le streaming
                img_byte_arr = io.BytesIO()
                image.save(img_byte_arr, format='PNG')
                img_byte_arr = img_byte_arr.getvalue()

                # Générer le contenu en streaming
                response = model.generate_content([mm, {"mime_type": "image/png", "data": img_byte_arr}], stream=True)
                for chunk in response:
                    yield f"data: {chunk.text}\n\n"
            except Exception as e:
                yield f"data: Error: {str(e)}\n\n"
            finally:
                # Nettoyer le fichier temporaire
                os.unlink(temp_file.name)

    return Response(generate_stream(), mimetype='text/event-stream')

if __name__ == '__main__':
    app.run(debug=True)