"""
Django settings for webshop project.

Generated by 'django-admin startproject' using Django 5.2.1.

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/
"""

from pathlib import Path
import os
from dotenv import load_dotenv

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

# Lade .env Datei
load_dotenv(BASE_DIR / '.env')

# 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', 'django-insecure-qddfdhpsm$=%o8p74xo8q9wbsa5^818(dzl4f&yrdcyn=050dt')

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

ALLOWED_HOSTS = [
    'localhost',
    '127.0.0.1',
    '0.0.0.0',
    '192.168.1.100',  # Lokale IP
    'kasico.de',  # Produktions-Domain
    'www.kasico.de',  # Produktions-Domain
]

# Security Settings für Production
if not DEBUG:
    SECURE_BROWSER_XSS_FILTER = True
    SECURE_CONTENT_TYPE_NOSNIFF = True
    SECURE_HSTS_SECONDS = 31536000
    SECURE_HSTS_INCLUDE_SUBDOMAINS = True
    SECURE_HSTS_PRELOAD = True
    # Security Settings
    if DEBUG:
        # Development: Allow HTTP
        SECURE_SSL_REDIRECT = False
        SECURE_PROXY_SSL_HEADER = None
        SESSION_COOKIE_SECURE = False
        CSRF_COOKIE_SECURE = False
        SECURE_HSTS_SECONDS = 0
        SECURE_HSTS_INCLUDE_SUBDOMAINS = False
        SECURE_HSTS_PRELOAD = False
    else:
        # Production: Force HTTPS
        SECURE_SSL_REDIRECT = True
        SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
        SESSION_COOKIE_SECURE = True
        CSRF_COOKIE_SECURE = True
    X_FRAME_OPTIONS = 'DENY'


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.sites',
    'django_extensions',  # Für HTTPS Development Server
    'shop.apps.ShopConfig',
    'products.apps.ProductsConfig',
    # 'paypal',  # Temporär deaktiviert
    # 'paypal.standard.ipn',  # Temporär deaktiviert
    # 'paypal_integration',  # Temporär deaktiviert
    # 'payments',  # Temporär deaktiviert
    'rest_framework',
    'rest_framework.authtoken',
    'django_filters',
    'corsheaders',
    # 'channels',  # Temporär deaktiviert
    # 'channels_redis',  # Temporär deaktiviert
    # 'chat',  # Temporär deaktiviert
    # 'auction',  # Temporär deaktiviert
    # 'haystack',  # Temporär deaktiviert
    # 'search',  # Temporär deaktiviert
    # 'mobile',  # Temporär deaktiviert
    # 'recommendations',  # Temporär deaktiviert
]

# Entferne den zusätzlichen staticfiles-Block
if DEBUG:
    INSTALLED_APPS += []

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 = 'webshop.urls'

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

WSGI_APPLICATION = 'webshop.wsgi.application'


# Database
# https://docs.djangoproject.com/en/5.2/ref/settings/#databases

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

# Redis Configuration
REDIS_URL = os.getenv('REDIS_URL', 'redis://redis:6379/0')

# Channels Configuration
CHANNEL_LAYERS = {
    'default': {
        'BACKEND': 'channels_redis.core.RedisChannelLayer',
        'CONFIG': {
            "hosts": [REDIS_URL],
        },
    },
}

# Elasticsearch Configuration (temporär deaktiviert)
# HAYSTACK_CONNECTIONS = {
#     'default': {
#         'ENGINE': 'haystack.backends.elasticsearch7_backend.Elasticsearch7SearchBackend',
#         'URL': os.getenv('ELASTICSEARCH_URL', 'http://elasticsearch:9200'),
#         'INDEX_NAME': 'haystack',
#     },
# }


# Password validation
# https://docs.djangoproject.com/en/5.2/ref/settings/#auth-password-validators

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
# https://docs.djangoproject.com/en/5.2/topics/i18n/

LANGUAGE_CODE = 'de'
LANGUAGES = [
    ('de', 'Deutsch'),
    ('en', 'English'),
]

TIME_ZONE = 'Europe/Berlin'
USE_I18N = True
USE_L10N = True
USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/5.2/howto/static-files/

STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
STATICFILES_DIRS = [
    BASE_DIR / 'static',
]

# Media files (Uploads)
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

# Stellen Sie sicher, dass der media-Ordner existiert
if not os.path.exists(MEDIA_ROOT):
    os.makedirs(MEDIA_ROOT)

# Default primary key field type
# https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# Stripe Einstellungen
STRIPE_PUBLISHABLE_KEY = os.getenv('STRIPE_PUBLISHABLE_KEY', '')
STRIPE_SECRET_KEY = os.getenv('STRIPE_SECRET_KEY', '')
STRIPE_WEBHOOK_SECRET = os.getenv('STRIPE_WEBHOOK_SECRET', '')

# E-Mail-Einstellungen (temporär Console-Backend)
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
DEFAULT_FROM_EMAIL = 'Fursuit Shop <noreply@fursuitshop.com>'

# Admin-E-Mail-Empfänger
ADMINS = [
    ('Shop Admin', 'admin@fursuitshop.com'),
]

# Lagerbestand-Einstellungen
LOW_STOCK_THRESHOLD = 5  # Schwellenwert für niedrigen Lagerbestand

# Authentication Settings
LOGIN_URL = 'login'
LOGIN_REDIRECT_URL = 'products:product_list'
LOGOUT_REDIRECT_URL = 'shop:home'

SITE_URL = os.getenv('SITE_URL', 'http://127.0.0.1:8000')

# PayPal Einstellungen
PAYPAL_TEST = True
PAYPAL_RECEIVER_EMAIL = 'sb-43wjt28371773@business.example.com'
PAYPAL_CURRENCY_CODE = 'EUR'

# PayPal URLs
PAYPAL_BN = 'Fursuit_Shop'
PAYPAL_RETURN_URL = f'{SITE_URL}/products/payment/success/'
PAYPAL_CANCEL_URL = f'{SITE_URL}/products/payment/failed/'
PAYPAL_NOTIFY_URL = f'{SITE_URL}/paypal/'

# Sites Framework
SITE_ID = 1

# Payment settings
PAYMENT_HOST = SITE_URL
PAYMENT_USES_SSL = False  # Set to True in production
PAYMENT_MODEL = 'products.Payment'
PAYMENT_VARIANTS = {
    'default': ('payments.dummy.DummyProvider', {}),
    'stripe': ('payments.stripe.StripeProvider', {
        'secret_key': STRIPE_SECRET_KEY,
        'public_key': STRIPE_PUBLISHABLE_KEY
    })
}

# Caching Configuration
CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.redis.RedisCache',
        'LOCATION': os.getenv('REDIS_URL', 'redis://redis:6379/0'),
    }
}

# Cache time to live is 15 minutes
CACHE_TTL = 60 * 15

# Session configuration
SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
SESSION_CACHE_ALIAS = 'default'

# Django REST Framework Settings
REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authentication.TokenAuthentication',
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticatedOrReadOnly',
    ],
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 12,
    'DEFAULT_FILTER_BACKENDS': [
        'django_filters.rest_framework.DjangoFilterBackend',
        'rest_framework.filters.SearchFilter',
        'rest_framework.filters.OrderingFilter',
    ],
    'DEFAULT_RENDERER_CLASSES': [
        'rest_framework.renderers.JSONRenderer',
        'rest_framework.renderers.BrowsableAPIRenderer',
    ],
    'DEFAULT_PARSER_CLASSES': [
        'rest_framework.parsers.JSONParser',
        'rest_framework.parsers.FormParser',
        'rest_framework.parsers.MultiPartParser',
    ],
    'DEFAULT_THROTTLE_CLASSES': [
        'rest_framework.throttling.AnonRateThrottle',
        'rest_framework.throttling.UserRateThrottle',
    ],
    'DEFAULT_THROTTLE_RATES': {
        'anon': '100/hour',
        'user': '1000/hour',
    },
    'DEFAULT_VERSIONING_CLASS': 'rest_framework.versioning.NamespaceVersioning',
    'DEFAULT_VERSION': 'v1',
    'ALLOWED_VERSIONS': ['v1'],
    'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema',
}

# CORS Settings für API
CORS_ALLOWED_ORIGINS = [
    "http://localhost:3000",
    "http://127.0.0.1:3000",
    "https://kasico.de",
    "https://www.kasico.de",
]

CORS_ALLOW_CREDENTIALS = True

CORS_ALLOWED_HEADERS = [
    'accept',
    'accept-encoding',
    'authorization',
    'content-type',
    'dnt',
    'origin',
    'user-agent',
    'x-csrftoken',
    'x-requested-with',
]

# API Rate Limiting
REST_FRAMEWORK_THROTTLE_RATES = {
    'burst': '60/min',
    'sustained': '1000/day',
}

# Django Channels Configuration
ASGI_APPLICATION = 'webshop.asgi.application'

# Channel Layers für Redis
CHANNEL_LAYERS = {
    'default': {
        'BACKEND': 'channels_redis.core.RedisChannelLayer',
        'CONFIG': {
            "hosts": [os.getenv('REDIS_URL', 'redis://redis:6379/0')],
        },
    },
}

# Chat Settings
CHAT_MESSAGE_TYPES = {
    'TEXT': 'text',
    'IMAGE': 'image',
    'FILE': 'file',
    'SYSTEM': 'system',
}

CHAT_USER_TYPES = {
    'CUSTOMER': 'customer',
    'ADMIN': 'admin',
    'SYSTEM': 'system',
}

# Chat Notifications
CHAT_NOTIFICATION_SETTINGS = {
    'ENABLE_EMAIL_NOTIFICATIONS': True,
    'ENABLE_PUSH_NOTIFICATIONS': True,
    'ADMIN_EMAIL': 'admin@kasico.de',
    'NOTIFICATION_COOLDOWN': 300,  # 5 Minuten
}

# Haystack / Elasticsearch Configuration
HAYSTACK_CONNECTIONS = {
    'default': {
        'ENGINE': 'haystack.backends.elasticsearch7_backend.Elasticsearch7SearchBackend',
        'URL': os.getenv('ELASTICSEARCH_URL', 'http://elasticsearch:9200'),
        'INDEX_NAME': 'haystack',
        'CONNECTION_ALIAS': 'default',
    },
}

HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'

# Search Settings
SEARCH_SETTINGS = {
    'ENABLE_FUZZY_SEARCH': True,
    'ENABLE_SUGGESTIONS': True,
    'ENABLE_FACETED_SEARCH': True,
    'MAX_SUGGESTIONS': 10,
    'MIN_SUGGESTION_LENGTH': 2,
    'SEARCH_RESULTS_PER_PAGE': 20,
    'ENABLE_SEARCH_ANALYTICS': True,
    'SEARCH_HIGHLIGHT': True,
    'SEARCH_SYNONYMS': {
        'fursuit': ['fursuit', 'kostüm', 'kostuem'],
        'partial': ['partial', 'teil', 'head'],
        'fullsuit': ['fullsuit', 'voll', 'komplett'],
        'custom': ['custom', 'individuell', 'maßgeschneidert'],
    }
}

# Logging Configuration
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'verbose': {
            'format': '{levelname} {asctime} {module} {process:d} {thread:d} {message}',
            'style': '{',
        },
        'simple': {
            'format': '{levelname} {message}',
            'style': '{',
        },
    },
    'handlers': {
        'file': {
            'level': 'INFO',
            'class': 'logging.FileHandler',
            'filename': BASE_DIR / 'logs' / 'django.log',
            'formatter': 'verbose',
        },
        'console': {
            'level': 'DEBUG',
            'class': 'logging.StreamHandler',
            'formatter': 'simple',
        },
    },
    'root': {
        'handlers': ['console', 'file'],
        'level': 'INFO',
    },
    'loggers': {
        'django': {
            'handlers': ['console', 'file'],
            'level': 'INFO',
            'propagate': False,
        },
        'products': {
            'handlers': ['console', 'file'],
            'level': 'DEBUG',
            'propagate': False,
        },
    },
}