from sqlalchemy.ext.asyncio import AsyncSession
import os,logging,io
from fastapi import HTTPException
from pypdf import PdfReader
from sqlalchemy import select
from job.candidate.plugins import normalize_spaced_text

class FileRead:
    def __init__(self,session:AsyncSession,filename=None,file=None):
        self.session=session
        self.filename=filename
        self.file=file

    async def read_file(self,file=None,filename=None):
        try:
            reader = PdfReader(io.BytesIO(self.file))
            if reader.is_encrypted:
                raise HTTPException(400, "PDF is password protected")
            pages = [(page.extract_text() or "") for page in reader.pages]
            return {
                "filename": self.filename,
                "num_pages": len(reader.pages),
                "text": normalize_spaced_text("\n".join(pages)),
            }
        except HTTPException:
            raise
        except Exception as e:
            raise HTTPException(400, str(e))
    # async def get_intention(self,input):
    #     try:
    #         get_subject=Inbox_Messages.candidate_x_inbox(self.session,self.candidate_id)
    #         get_file=