from flask import  Flask, request, jsonify
from transformers import AutoModelForSeq2SeqLM, AutoTokenizer
from flask_cors import CORS

app = Flask(__name__)
CORS(app)
tokenizer = AutoTokenizer.from_pretrained("google/flan-t5-small")
model = AutoModelForSeq2SeqLM.from_pretrained("google/flan-t5-small")
@app.route('/chat', methods=['POST'])
def chat():
    data = request.get_json()
    prompt = data.get("prompt", "")

    inputs = tokenizer(prompt, return_tensors="pt")
    outputs = model.generate(**inputs, max_new_tokens=100)
    reply = tokenizer.decode(outputs[0], skip_special_tokens=True)

    return jsonify({"response": reply})


if __name__ == "__main__":
    app.run(host="0.0.0.0", port=7860)