from fastapi import FastAPI, File, UploadFile, HTTPException
from fastapi.responses import HTMLResponse
from fastapi.responses import StreamingResponse
from fastapi.responses import FileResponse
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from io import StringIO
import os

from llmlingua import PromptCompressor
llm_lingua = PromptCompressor(
    model_name="microsoft/llmlingua-2-bert-base-multilingual-cased-meetingbank",
    use_llmlingua2=True, # Whether to use llmlingua-2
    device_map="cpu"
)


app = FastAPI()
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

class Prompt(BaseModel):
    original_prompt: str
@app.post("/get_compressed_text")
async def get_compressed_text(prompt: Prompt):
        compressed_prompt = llm_lingua.compress_prompt(prompt.original_prompt, instruction="", question="")
        print("compressed")
        return compressed_prompt