import requests
from bs4 import BeautifulSoup
from datetime import datetime, timedelta
import re

# Telegram bot details
TOKEN = "160707****************************Hympz6rI"
CHAT_ID = "-476*******"
TELEGRAM_URL = f"https://api.telegram.org/bot{TOKEN}/sendMessage"

# Map Spanish month names to their number equivalents
month_map = {
    'enero': 'January', 'febrero': 'February', 'marzo': 'March', 'abril': 'April',
    'mayo': 'May', 'junio': 'June', 'julio': 'July', 'agosto': 'August',
    'septiembre': 'September', 'octubre': 'October', 'noviembre': 'November', 'diciembre': 'December'
}

def convert_spanish_date(date_str):
    """Convert Spanish month names to English."""
    for spanish_month, english_month in month_map.items():
        if spanish_month in date_str:
            date_str = date_str.replace(spanish_month, english_month)
            break
    return date_str

def get_job_posts(url, days=1):
    """Fetch job posts from the URL within the given number of days."""
    response = requests.get(url)
    soup = BeautifulSoup(response.content, 'html.parser')
    
    # Get today's date
    today = datetime.now().date()
    date_limit = today - timedelta(days=days)
    
    job_posts = []
    
    for post in soup.find_all('article'):
        date_str = post.find(class_='posted-on').text.strip()
        
        # Use regex to extract the date
        match = re.search(r'\d{1,2} \w+?, \d{4}', date_str)
        if match:
            date_str = match.group(0)
            
            # Convert the Spanish date to English format
            date_str = convert_spanish_date(date_str)
            
            try:
                post_date = datetime.strptime(date_str, '%d %B, %Y').date()
                
                if post_date >= date_limit:
                    title = post.find('h2', class_='entry-title').text.strip()
                    job_posts.append(f"{title}; {post_date.strftime('%d %B, %Y')}")
            except ValueError:
                print(f"Error parsing date: {date_str}")
    
    return job_posts

def send_telegram_message(message):
    """Send a message using the Telegram bot."""
    data = {
        'chat_id': CHAT_ID,
        'text': message
    }
    response = requests.post(TELEGRAM_URL, data=data)
    if response.status_code == 200:
        print("Message sent successfully.")
    else:
        print(f"Failed to send message. Status code: {response.status_code}")

# URL of the job-post board
url = 'https://egresados.iua.edu.ar/?cat=3'

# Get job posts from today
job_posts_today = get_job_posts(url, days=1)

# If there are job posts from today, notify via Telegram
if job_posts_today:
    # Get job posts from the last 7 days
    job_posts_week = get_job_posts(url, days=7)
    
    # Format the message with job posts
    message = "There are new posts:\n" + "\n".join(job_posts_week)
    
    # Send the message via Telegram
    send_telegram_message(message)
else:
    print("No new posts today.")