!pip install PyPDF2 google google-genai requests python-dotenv datasets huggingface_hub

"""# Libraries"""

import os
import requests
import json
from bs4 import BeautifulSoup
import PyPDF2
from google import genai
from google.genai import types
from dotenv import load_dotenv
import pandas as pd
from datasets import Dataset
from huggingface_hub import login

"""# Configure apikey"""
# TODO: Add your own apikey
load_dotenv()
GEMINI_API_KEY = ""
HF_TOKEN= ""
HF_DATASET_NAME=""

"""# Get files"""

# Main page URL
main_url = 'https://www.sspa.juntadeandalucia.es/servicioandaluzdesalud/profesionales/ofertas-de-empleo/oferta-de-empleo-publico-puestos-base/oep-extraordinaria-decreto-ley-122022-centros-sas/cuadro-de-evolucion-concurso-oposicion-centros-sas'

# Main folder where exams will be saved
exams_folder = "exams"
os.makedirs(exams_folder, exist_ok=True)

# Perform an HTTP GET request to the main page
main_response = requests.get(main_url)

if main_response.status_code == 200:
    main_soup = BeautifulSoup(main_response.content, 'html.parser')

    # Find all tables on the main page
    tables = main_soup.find_all('table')

    for table in tables:
        links = table.find_all('a', href=True)
        for link in links:
            secondary_url = link['href']
            if secondary_url.startswith('/'):
                secondary_url = 'https://www.sspa.juntadeandalucia.es' + secondary_url

            folder_name = link.text.strip().replace("/", "-")  # Replace invalid characters
            folder_path = os.path.join(exams_folder, folder_name)
            os.makedirs(folder_path, exist_ok=True)

            secondary_response = requests.get(secondary_url)
            if secondary_response.status_code == 200:
                secondary_soup = BeautifulSoup(secondary_response.content, 'html.parser')
                secondary_tables = secondary_soup.find_all('table')

                for secondary_table in secondary_tables:
                    exam_booklet_links = secondary_table.find_all('a', title='Cuadernillo de Examen', href=True)
                    answer_sheet_links = secondary_table.find_all('a', title='Plantilla de respuestas', href=True)

                    for exam_booklet_link in exam_booklet_links:
                        pdf_url = exam_booklet_link['href']
                        if pdf_url.startswith('/'):
                            pdf_url = 'https://www.sspa.juntadeandalucia.es' + pdf_url
                        pdf_response = requests.get(pdf_url)
                        if pdf_response.status_code == 200:
                            file_path = os.path.join(folder_path, 'Exam_Booklet.pdf')
                            with open(file_path, 'wb') as pdf_file:
                                pdf_file.write(pdf_response.content)
                            print(f'Exam Booklet saved at: {file_path}')

                    for answer_sheet_link in answer_sheet_links:
                        pdf_url = answer_sheet_link['href']
                        if pdf_url.startswith('/'):
                            pdf_url = 'https://www.sspa.juntadeandalucia.es' + pdf_url
                        pdf_response = requests.get(pdf_url)
                        if pdf_response.status_code == 200:
                            file_path = os.path.join(folder_path, 'Answer_Sheet.pdf')
                            with open(file_path, 'wb') as pdf_file:
                                pdf_file.write(pdf_response.content)
                            print(f'Answer Sheet saved at: {file_path}')

else:
    print(f'Error accessing the main page: {main_response.status_code}')

"""# PDF processing

## Extract text
"""

def extract_text_from_pdf(pdf_path: str) -> str:
    with open(pdf_path, "rb") as file:
        reader = PyPDF2.PdfReader(file)
        text = ""
        for page in reader.pages:
            text += page.extract_text()
    return text

"""## Number of questions"""

import base64
import os
from google import genai
from google.genai import types


def generate_number_questions(text):
    client = genai.Client(
        api_key=GEMINI_API_KEY,
    )

    model = "gemini-2.0-flash"
    contents = [
        types.Content(
            role="user",
            parts=[
                types.Part.from_text(text=f"""tell me how many questions you have in format {{"number": "numberofquestionsinteger"}} in the following text: {text}"""),
            ],
        ),
    ]
    generate_content_config = types.GenerateContentConfig(
        temperature=1,
        top_p=0.95,
        top_k=40,
        max_output_tokens=8192,
        response_mime_type="application/json",
    )
    response = client.models.generate_content(
        model=model,
        contents=contents,
        config=generate_content_config,
    )

    return response.candidates[0].content.parts[0].text

"""## Process with llm"""

import json
import os
from google import genai
from google.genai import types

def process_with_gemini(text: str, start: int, end: int):
    client = genai.Client(
        api_key=GEMINI_API_KEY
    )

    model = "gemini-2.0-flash"
    contents = [
        types.Content(
            role="user",
            parts=[
                types.Part.from_text(text=f"""
Given the following text of an exam with questions and answers, extract each question and its possible answers.
Format the output as a list of JSON with the following format, I want you to extract questions from {start} to {end}:


{{{{"question number in integer format": {{"statement": "question text", "answers": ["option A", "option B", ...]}}}}}}

Exam text:
{text}
                """),
            ],
        ),
    ]

    generate_content_config = types.GenerateContentConfig(
        temperature=1,
        top_p=0.95,
        top_k=40,
        max_output_tokens=32768,
        response_mime_type="application/json",
    )

    # Use generate_content() instead of streaming
    response = client.models.generate_content(
        model=model,
        contents=contents,
        config=generate_content_config,
    )

    return response.text  # Return the response instead of printing it

"""# Collect the questions"""

import json
import os
from google import genai
from google.genai import types

def process_answers_with_gemini(text: str):
    client = genai.Client(
        api_key=GEMINI_API_KEY
    )

    model = "gemini-2.0-flash"
    contents = [
        types.Content(
            role="user",
            parts=[
                types.Part.from_text(text=f"""
Please return the question number and the correct answers in format ['question number': 'answer letter','question number': 'answer letter'] from the following text
{text}
                """),
            ],
        ),
    ]

    generate_content_config = types.GenerateContentConfig(
        temperature=1,
        top_p=0.95,
        top_k=40,
        max_output_tokens=32768,
        response_mime_type="application/json",
    )

    # Use generate_content() instead of streaming
    response = client.models.generate_content(
        model=model,
        contents=contents,
        config=generate_content_config,
    )

    return response.text  # Return the response instead of printing it

def process_pdf_file(pdf_path: str, answers_pdf_path: str, theme: str) -> pd.DataFrame:
    pdf_text = extract_text_from_pdf(pdf_path)
    result = generate_number_questions(pdf_text)
    question_text = extract_text_from_pdf(answers_pdf_path)

    # Process number of questions
    try:
        result_dict = json.loads(result)
    except json.JSONDecodeError:
        print("Error: The question count response is not valid JSON.")
        return pd.DataFrame()

    question_count = result_dict.get("number", "unknown")
    print(f"The exam {pdf_path} contains {question_count} questions.")

    try:
        question_count = int(result_dict.get("number", 0))
    except ValueError:
        print(f"Error: Could not convert question count '{question_count}' to integer.")
        return pd.DataFrame()

    # Process questions in batches
    questions = []
    batch_size = 50
    for start in range(1, question_count + 1, batch_size):
        end = min(start + batch_size - 1, question_count)
        print(f"Processing questions from {pdf_path} {start}-{end}...")
        questions_subset = process_with_gemini(pdf_text, start, end)
        questions.append(questions_subset)


    # Combine all processed question batches
    all_questions = []
    for question_set in questions:
        try:
            question_list = json.loads(question_set)
            all_questions.extend(question_list)
        except json.JSONDecodeError:
            print(f"Error: A question batch response is not valid JSON.")
            continue

    # If no valid questions were processed, return empty DataFrame
    if not all_questions:
        print("Error: No valid questions were processed.")
        return pd.DataFrame()

    # Process questions answers
    questions_answer = process_answers_with_gemini(question_text)
    try:
        json_questions_answers = json.loads(questions_answer)
    except json.JSONDecodeError:
        print("Error: The response is not a valid JSON.")

    # Format the data for the DataFrame
    processed_data = []
    for item in all_questions:
        for key, value in item.items():
            try:
              correct_answer = json_questions_answers[0].get(str(key), "Not available")
              processed_data.append({
                  'id': key,
                  'statement': value['statement'],
                  'answers': value['answers'],
                  'correct_answer': correct_answer,
                  'theme': theme
              })
            except KeyError as e:
                print(f"Error: Missing key in question data: {e}")
                # Skip this question but continue with others
                continue

    # Create DataFrame from dictionary list
    df = pd.DataFrame(processed_data)
    if not df.empty:
        df.set_index('id', inplace=True)

    return df


all_df_array = []
# Verify that the folder exists
if os.path.exists(exams_folder):
    for folder_name in os.listdir(exams_folder):
        folder_path = os.path.join(exams_folder, folder_name)

        # Verify that it's a folder
        if os.path.isdir(folder_path):
            print(f"Processing: {folder_name}")

            files = os.listdir(folder_path)

            # Initialize question and answer paths
            questions_path = None
            answers_path = None

            # Look for files that start with the desired prefixes
            for file in files:
                if file.startswith('Exam_Booklet') and not questions_path:
                    questions_path = os.path.join(folder_path, file)
                elif file.startswith('Answer_Sheet') and not answers_path:
                    answers_path = os.path.join(folder_path, file)
            exam_df = process_pdf_file(questions_path, answers_path, folder_name)
            if not exam_df.empty:
                all_df_array.append(exam_df)

if all_df_array:
    df = pd.concat(all_df_array, ignore_index=True)  # `ignore_index=True` to avoid duplicates in the index
    print(f"Final DataFrame with all questions and answers:\n{df}")
else:
    print("No valid DataFrames were generated.")

"""# Upload to huggingface"""

login(HF_TOKEN)
Dataset.from_pandas(df).push_to_hub(HF_DATASET_NAME)