"""
Django settings for config project.

Generated by 'django-admin startproject' using Django 5.2.3.

For more information on this file, see
https://docs.djangoproject.com/en/5.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/5.2/ref/settings/
"""
import os
import ssl
import smtplib

from pathlib import Path
from corsheaders.defaults import default_headers
from datetime import timedelta

# --- SOLO PARA DESARROLLO: Desactivar verificación de certificados SSL en SMTP ---
smtplib.SMTP_SSL.default_context = ssl._create_unverified_context

from dotenv import load_dotenv
import re

# Celery Beat Schedule
from celery.schedules import crontab

CELERY_BEAT_SCHEDULE = {


}

# Cargar variables de entorno desde un archivo .env
load_dotenv()

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/5.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv('SECRET_KEY')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.getenv('DEBUG', 'True') == 'True' 

ALLOWED_HOSTS = [
    'localhost'
    ,'host.docker.internal'
    ,'192.168.1.195'
    ,'127.0.0.1'
    ,'74.208.78.59'
    ,'api.efc-aduanasoft.com'
    ,'backend'
    ,'backend:8000'
    ,'0.0.0.0'
    ,'192.168.1.79'
]

SITE_URL = os.getenv('SITE_URL') 
SERVICE_API_URL = os.getenv('SERVICE_API_URL')
SERVICE_API_URL_V2 = os.getenv('SERVICE_API_URL_V2')
# Application definition
BASE_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

THIRD_APPS = [
    'rest_framework',
    'rest_framework.authtoken',
    'rest_framework_simplejwt',
    'drf_yasg',
    'corsheaders',
    'django_filters',
    'rest_framework_simplejwt.token_blacklist',
]

OWN_APPS = [
    'api.customs',
    'api.record',
    'api.organization',
    'api.licence',
    'api.cuser',    
    'api.datastage',
    'api.vucem',
    'api.logger',
    'api.notificaciones',
    'api.reports',
    'api.cards',
    'api.tasks',
]

INSTALLED_APPS = BASE_APPS + THIRD_APPS + OWN_APPS
MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',  # Debe ir antes de CommonMiddleware
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'api.logger.middleware.RequestLoggingMiddleware',
    'api.logger.middleware.ErrorLoggingMiddleware',
]

# Crear directorio de logs
LOGS_DIR = BASE_DIR / 'logs'
LOGS_DIR.mkdir(exist_ok=True)

# Configuración de logging unificada
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
        },
    },
    'root': {
        'handlers': ['console'],
        'level': 'INFO',
    },
    'loggers': {
        'django': {
            'handlers': ['console'],
            'level': 'INFO',
            'propagate': False,
        },
        'celery': {
            'handlers': ['console'],
            'level': 'INFO',
            'propagate': False,
        },
    },
}

# Configuración para desarrollo y producción
if DEBUG:
    CORS_ALLOW_ALL_ORIGINS = True
    CORS_ALLOW_CREDENTIALS = True
    SESSION_COOKIE_SECURE = False
    CSRF_COOKIE_SECURE = False
    USE_X_FORWARDED_HOST = False
else:
    CORS_ALLOW_ALL_ORIGINS = False
    CORS_ALLOW_CREDENTIALS = False
    SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
    CORS_ALLOWED_ORIGINS = os.getenv('CORS_ALLOWED_ORIGINS').split(',')
    CSRF_COOKIE_SECURE = True
    SESSION_COOKIE_SECURE = True
    USE_X_FORWARDED_HOST = True

CORS_ALLOW_HEADERS = list(default_headers) + [
    'access-control-allow-origin',
    'access-control-allow-credentials',
]

# # JWT Authentication settings
REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework_simplejwt.authentication.JWTAuthentication',
        'rest_framework.authentication.TokenAuthentication',  # Añade esta línea
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 20,
    'DEFAULT_FILTER_BACKENDS': [
        'django_filters.rest_framework.DjangoFilterBackend',
        'rest_framework.filters.SearchFilter',
        'rest_framework.filters.OrderingFilter',
    ],
}

# Configuración de Swagger
SWAGGER_SETTINGS = {
    "DEFAULT_AUTO_SCHEMA_CLASS": "core.swagger.CustomAutoSchema",
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework_simplejwt.authentication.JWTAuthentication',
    ),
    'SECURITY_DEFINITIONS': {
        'Bearer': {
            'type': 'apiKey',
            'name': 'Authorization',
            'in': 'header',
            'description': 'JWT Authorization header using the Bearer scheme. Example: "Authorization: Bearer {token}"'
        }
    },
    'USE_SESSION_AUTH': False,
    'LOGIN_URL': '/api/v1/token/',
    'LOGOUT_URL': '/api/v1/auth/logout/',
    'DOC_EXPANSION': 'None',
}

# Configuración adicional para ReDoc
REDOC_SETTINGS = {
   'LAZY_RENDERING': False,
   'HIDE_HOSTNAME': False,
   'EXPAND_RESPONSES': 'all',
   'PATH_IN_MIDDLE': True,
}

CSRF_TRUSTED_ORIGINS = [
    "https://api.efc-aduanasoft.com",
    "http://192.168.1.195",
    "http://192.168.1.195:8000"
]

# URL Configuration
ROOT_URLCONF = 'config.urls'

# Template configuration
TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'config.wsgi.application'

# Database
DATABASES = {
    'default': {
        'ENGINE'    : 'django.db.backends.postgresql',
        'NAME'      : os.getenv('DB_NAME'),
        'USER'      : os.getenv('DB_USER'),
        'PASSWORD'  : os.getenv('DB_PASSWORD'),
        'HOST'      : os.getenv('DB_HOST'),
        'PORT'      : os.getenv('DB_PORT'),
    }
}

# Password validation
AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]

# Internationalization
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'America/Mexico_City' # Zona horaria de Cd. Juárez, Chihuahua
USE_I18N = True
USE_TZ = True

# Static files
STATIC_URL = 'static/'
if DEBUG:
    STATICFILES_DIRS = [BASE_DIR / 'staticfiles']
else:
    STATICFILES_DIRS = []
STATIC_ROOT = BASE_DIR / 'static'

MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

# Default primary key field type
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

AUTH_USER_MODEL = 'cuser.CustomUser'

# Configuración SMTP para envío de correos electrónicos
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = os.getenv('EMAIL_HOST')
EMAIL_PORT = int(os.getenv('EMAIL_PORT'))
EMAIL_USE_TLS = True
EMAIL_HOST_USER = os.getenv('EMAIL_HOST_USER')
EMAIL_HOST_PASSWORD = os.getenv('EMAIL_HOST_PASSWORD')
DEFAULT_FROM_EMAIL = EMAIL_HOST_USER

# Configuración Celery
CELERY_BROKER_URL = os.getenv('CELERY_BROKER_URL', 'redis://redis:6379/0')
CELERY_RESULT_BACKEND = os.getenv('CELERY_RESULT_BACKEND', 'redis://redis:6379/0')
CELERY_TIMEZONE = 'America/Mexico_City'

# Configuración para procesamiento asíncrono nativo de Django
ASGI_APPLICATION = 'config.asgi.application'

SIMPLE_JWT = {
    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=30),   # Tokens de acceso cortos por seguridad
    'REFRESH_TOKEN_LIFETIME': timedelta(days=5),     # Refresh token de 5 días
    'ROTATE_REFRESH_TOKENS': True,                   # Rotar refresh tokens para mayor seguridad
    'BLACKLIST_AFTER_ROTATION': True,
    'AUTH_HEADER_TYPES': ('Bearer',),
}