"""
Created on 2024
@Creator: Juan Bautista Gonzalez
@Position: Student electronic engineering and programmer part-time
@Contact:
    - Email: contacto@juangonzalez.com.ar
"""
import os
import requests
from bs4 import BeautifulSoup
from urllib.parse import urljoin

html_content= """AQUI DATA
"""

url = "https://www.fceia.unr.edu.ar/tesys/html/"
soup = BeautifulSoup(html_content, "html.parser")

download_folder = "descargas"
os.makedirs(download_folder, exist_ok=True)
file_number = 1
previous_number = None

for row in soup.find_all("tr"):
    columns = row.find_all("td")
    if len(columns) >= 4:
        number = columns[1].text.strip().zfill(3)
        if number != previous_number:
            file_number = 1
        for link in columns[3].find_all("a"):
            href = link.get("href")
            if href:
                file_url = urljoin(url, href)
                file_name = os.path.join(download_folder, f"{number}_{file_number:03d}_{os.path.basename(href)}")
                try:
                    response = requests.get(file_url)
                    with open(file_name, "wb") as file:
                        file.write(response.content)
                    print(f"Archivo descargado: {file_name}")
                except Exception as e:
                    print(f"Error al descargar {file_url}: {e}")
            file_number += 1
        previous_number = number