import os
os.environ['TRANSFORMERS_CACHE'] = './cache'  # تغيير مكان الكاش

from fastapi import FastAPI
from transformers import AutoTokenizer, AutoModelForCausalLM

app = FastAPI()

model_name = "microsoft/BioGPT-Large"

# تحميل النموذج والمفردات
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForCausalLM.from_pretrained(model_name)

@app.get("/")
def read_root():
    return {"message": "BioGPT is ready!"}

@app.post("/generate")
def generate_text(prompt: str):
    inputs = tokenizer(prompt, return_tensors="pt")
    outputs = model.generate(**inputs, max_length=50)
    result = tokenizer.decode(outputs[0], skip_special_tokens=True)
    return {"response": result}