#!/usr/bin/env python3
# Script para configurar cron en Raspberry

import subprocess
import sys

# Obtener crontab actual
try:
    result = subprocess.run(['sudo', 'crontab', '-u', 'pi', '-l'], 
                          capture_output=True, text=True, check=False)
    current_cron = result.stdout
except:
    current_cron = ""

# Nueva entrada
new_entry = "*/5 * * * * /home/pi/scripts/update-raspberry-cron.sh\n"

# Verificar si ya existe
if new_entry.strip() in current_cron:
    print("✅ La entrada de cron ya existe")
    sys.exit(0)

# Agregar nueva entrada
new_cron = current_cron + new_entry

# Escribir nuevo crontab
try:
    process = subprocess.Popen(['sudo', 'crontab', '-u', 'pi', '-'], 
                              stdin=subprocess.PIPE, text=True)
    process.communicate(input=new_cron)
    if process.returncode == 0:
        print("✅ Cron configurado exitosamente")
        # Mostrar crontab
        subprocess.run(['sudo', 'crontab', '-u', 'pi', '-l'])
    else:
        print("❌ Error configurando cron")
        sys.exit(1)
except Exception as e:
    print(f"❌ Error: {e}")
    sys.exit(1)