"""
Django settings for Citalis project.
Uses environment variables for configuration.
"""
import os
from pathlib import Path
from dotenv import load_dotenv

load_dotenv()

BASE_DIR = Path(__file__).resolve().parent.parent

SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', 'django-insecure-change-me-in-production')

DEBUG = os.environ.get('DJANGO_DEBUG', 'True').lower() == 'true'

ALLOWED_HOSTS = [h.strip() for h in os.environ.get('ALLOWED_HOSTS', 'localhost,127.0.0.1').split(',') if h.strip()]

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'accounts',
    'booking',
    'scheduler',
    'core',
]

MIDDLEWARE = [
    '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',
]

ROOT_URLCONF = 'turnilup.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, 'turnilup/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 = 'turnilup.wsgi.application'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'turnilup.sqlite3',
    }
}

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'},
]

LANGUAGE_CODE = 'es-ES'
TIME_ZONE = 'America/Santiago'
USE_I18N = True
USE_L10N = True
DECIMAL_SEPARATOR = ','
USE_THOUSAND_SEPARATOR = True
THOUSAND_SEPARATOR = '.'
NUMBER_GROUPING = 3
USE_TZ = True

STATIC_URL = "/static/"
STATICFILES_DIRS = [BASE_DIR / "static"]
STATIC_ROOT = BASE_DIR / "staticfiles"
STATICFILES_STORAGE = "django.contrib.staticfiles.storage.StaticFilesStorage"

MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

AUTH_USER_MODEL = 'accounts.User'

EMAIL_HOST = os.environ.get('EMAIL_HOST', 'smtp.gmail.com')
EMAIL_PORT = int(os.environ.get('EMAIL_PORT', 587))
EMAIL_USE_TLS = os.environ.get('EMAIL_USE_TLS', 'True').lower() == 'true'
EMAIL_HOST_USER = os.environ.get('EMAIL_HOST_USER', '')
EMAIL_HOST_PASSWORD = os.environ.get('EMAIL_HOST_PASSWORD', '')
DEFAULT_FROM_EMAIL = os.environ.get('DEFAULT_FROM_EMAIL', 'Citalis.app <no-reply@citalis.app>')
EMAIL_BACKEND = os.environ.get('EMAIL_BACKEND', 'django.core.mail.backends.console.EmailBackend')

MAKE_WEBHOOK_URL = os.environ.get('MAKE_WEBHOOK_URL', '')
SITE_URL = os.environ.get('SITE_URL', 'https://citalis.app')

CSRF_TRUSTED_ORIGINS = [o.strip() for o in os.environ.get('CSRF_TRUSTED_ORIGINS', '').split(',') if o.strip()]

if not DEBUG:
    SECURE_SSL_REDIRECT = True
    SESSION_COOKIE_SECURE = True
    CSRF_COOKIE_SECURE = True
    SECURE_BROWSER_XSS_FILTER = True
    SECURE_CONTENT_TYPE_NOSNIFF = True
    X_FRAME_OPTIONS = 'DENY'
    SECURE_HSTS_SECONDS = 31536000
    SECURE_HSTS_INCLUDE_SUBDOMAINS = True
    SECURE_HSTS_PRELOAD = True
    SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

    LOGGING = {
        'version': 1,
        'disable_existing_loggers': False,
        'formatters': {
            'verbose': {
                'format': '{levelname} {asctime} {module} {message}',
                'style': '{',
            },
        },
        'handlers': {
            'console': {
                'class': 'logging.StreamHandler',
                'formatter': 'verbose',
            },
        },
        'root': {
            'handlers': ['console'],
            'level': 'INFO',
        },
    }
else:
    LOGGING = {
        'version': 1,
        'disable_existing_loggers': False,
        'handlers': {
            'console': {
                'class': 'logging.StreamHandler',
            },
        },
        'root': {
            'handlers': ['console'],
            'level': 'DEBUG',
        },
    }

SILENCED_SYSTEM_CHECKS = ['admin.E402', 'admin.E404']