import os
import PyPDF2
import json
import traceback

def read_file(file):
    if file.name.endswith(".pdf"):
        try:
            pdf_reader=PyPDF2.PdfFileReader(file)
            text=""
            for page in pdf_reader.pages:
                text+page.extract_text()
            return text
        except Exception as e:
            raise Exception("error reading the file")
        
    elif file.name.endswith(".txt"):
        return file.read().decode("utf-8")
    
    else:
        raise Exception(
            "Unsupported file format, only .pdf and .txt supported"
        )
    
def get_table_data(quiz_str):
    try:
       
        quiz_table_data=[]
        
        for key, value in json.loads(quiz_str).items():
            mcq=value['mcq']
            options="||".join(
        [
            f"{option}:{option_value}"
            for option, option_value in value["options"].items()
        ]

        )
            correct=value['correct_answer']
            quiz_table_data.append({"MCQ":mcq, "Choices":options, "Correct":correct})
        return quiz_table_data
    except Exception as e:
        traceback.print_exception(type(e),e,e.__traceback__)
        return False