import requests
import json
import urllib3
import time

from logger_manager import get_logger

logger = get_logger()

# Desactivar advertencias de SSL no verificado
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

# ============================================================================
def token(datos):

    CLIENT_ID=datos["Client_ID"]
    CLIENT_SECRET=datos["Client_Secret"]
    
    url = f"https://api-seguridad.sunat.gob.pe/v1/clientesextranet/{CLIENT_ID}/oauth2/token/"

    headers = {
        'Content-Type': 'application/x-www-form-urlencoded',
        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Accept': 'application/json, text/plain, */*',
        'Origin': 'https://api-seguridad.sunat.gob.pe'
    }
    
    payload = 'grant_type=client_credentials' + '&'
    payload += 'scope=https://api.sunat.gob.pe/v1/contribuyente/contribuyentes' + '&'
    payload += f'client_id={CLIENT_ID}' + '&'
    payload += f'client_secret={CLIENT_SECRET}'

    response = requests.request("POST", url, headers=headers, data=payload, verify=False, timeout=30)

    logger.info(f"   📤 Token request enviado")
    logger.info(f"   📥 Token response: {response.status_code}")

    if response.status_code == 200:
        result = response.json()
        
        if "access_token" in result:
            token = result["access_token"]
            return token
        else:
            return ""
    else:
        return ""

# ============================================================================
def validar_comprobante(token,RUC,payload:dict):
    url = f"https://api.sunat.gob.pe/v1/contribuyente/contribuyentes/{RUC}/validarcomprobante"

    # payload = {
    # "numRuc": "20538298485",
    # "codComp": "08",
    # "numeroSerie": "E001",
    # "numero": "3773",
    # "fechaEmision": "15/11/2023",
    # "monto": "1328.52"
    # }
    
    headers = {
        'Content-Type': 'application/json',
        'Authorization': f'Bearer {token}',
        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
        'Accept': 'application/json, text/plain, */*'
    }

    max_retries = 3
    for attempt in range(max_retries):
        try:
            response = requests.request("POST", url, headers=headers, json=payload, verify=False, timeout=30)
            logger.info(f"   📥 Status code: {response.status_code}")
            return response.json()
        except (requests.exceptions.ConnectionError, requests.exceptions.Timeout) as e:
            logger.warning(f"   ⚠️ Error de conexión (intento {attempt + 1}/{max_retries}): {e}")
            if attempt < max_retries - 1:
                time_to_wait = 2 ** (attempt + 1)
                logger.info(f"   🔄 Reintentando en {time_to_wait} segundos...")
                time.sleep(time_to_wait)
            else:
                raise e

# ============================================================================