import sys
from pathlib import Path
import os
sys.path.append(str(Path(__file__).resolve().parent.parent))
#print(sys.path)
from typing import Any
from fastapi import FastAPI, Request, APIRouter, Form
from fastapi.staticfiles import StaticFiles
from fastapi.templating import Jinja2Templates
from fastapi.middleware.cors import CORSMiddleware
from app.config import settings
from app import __version__
from app.pyfiles import subject_gen
from app.pyfiles import qa_gen
import numpy as np
import pandas as pd
# from transformers import  GPT2Tokenizer ,GPT2Model

current_path = os.path.dirname(os.path.abspath(__file__))

# model = GPT2Model.from_pretrained("gpt2")
# tokenizer = GPT2Tokenizer.from_pretrained("gpt2")

# checkpoint1 = os.path.join(current_path, "pyfiles") 
# checkpoint = os.path.join(checkpoint1, "gpt_tokenizer") 
# model.save_pretrained(checkpoint)
# tokenizer.save_pretrained(checkpoint) 

app = FastAPI(
    title=settings.PROJECT_NAME, openapi_url=f"{settings.API_V1_STR}/openapi.json"
)

# To access Templates directory
templates = Jinja2Templates(directory="app/templates")

email_inp = None
####################################  Home Page endpoints  #################################################
@app.get("/")
async def root(request: Request):
    return templates.TemplateResponse("index.html", {'request': request,})



@app.get("/email_input/")
async def email_input_root(request: Request):
    return templates.TemplateResponse("email_input.html", {'request': request,})



@app.post("/subject_generation/")
async def create_upload_files(request: Request , paragraphInput: str = Form(...)):
    print("hi im in subject gen", paragraphInput )
    result = subject_gen.subject_gen_func(paragraphInput)
    print(result)
    if(len(result.split("<subject>"))>1):
        subject = result.split("<subject>")[1].replace("<eos>","")
    else :
        subject = "Please Try Again"
    return templates.TemplateResponse("subject_generation.html", {"request": request,
                                                       "result":subject,
                                                       "email":paragraphInput,})



###################################################################################################################                                                       
@app.get("/question_input/")
async def question_input_root(request: Request):
    return templates.TemplateResponse("question_input.html", {'request': request,})


@app.post("/question_input/")
async def question_awnser(request: Request , questionInput: str = Form(...)):
    # print("hi im in subject gen", paragraphInput )
    result = qa_gen.question_awnser(questionInput)
    # print(result)
    answer = result
    # if(len(result)>1):
    #     awnser = result
    # else :
    #     awnser = "Please Try Again"
    # return templates.TemplateResponse("awnser_generation.html", {"request": request,
    #                                                    "result":awnser,
    #                                                    "question":questionInput,})



# Set all CORS enabled origins
if settings.BACKEND_CORS_ORIGINS:
    app.add_middleware(
        CORSMiddleware,
        allow_origins=[str(origin) for origin in settings.BACKEND_CORS_ORIGINS],
        allow_credentials=True,
        allow_methods=["*"],
        allow_headers=["*"],
    )


# Start app
if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="0.0.0.0", port=8001)