"""
Django settings for TDK Homes.
"""
from pathlib import Path
import environ
import os

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

env = environ.Env(
    DEBUG=(bool, False),
)
environ.Env.read_env(BASE_DIR / '.env')

SECRET_KEY = env('SECRET_KEY', default='django-insecure-change-me')
DEBUG = env.bool('DEBUG', default=True)
ALLOWED_HOSTS = [h.strip() for h in os.environ.get('ALLOWED_HOSTS', '').split(',') if h.strip()]
if not ALLOWED_HOSTS:
    ALLOWED_HOSTS = ['preview.tdkhomes.ng', 'www.preview.tdkhomes.ng', 'tdkhomes.ng', 'localhost', '127.0.0.1']

# Site config (available globally)
SITE_NAME = env('SITE_NAME', default='TDK Homes')
SITE_URL = env('SITE_URL', default='http://localhost:8000')
WHATSAPP_NUMBER = env('WHATSAPP_NUMBER', default='2348165535147')
CONTACT_PHONE = env('CONTACT_PHONE', default='+234 (0) 816-553-5147')
CONTACT_EMAIL = env('CONTACT_EMAIL', default='info@tdkhomes.ng')

# AI Chatbot
ANTHROPIC_API_KEY = env('ANTHROPIC_API_KEY', default='')
AI_PROVIDER = env('AI_PROVIDER', default='rule_based')

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.sitemaps',
    'django.contrib.humanize',

    # Third-party
    'rest_framework',
    'crispy_forms',
    'crispy_bootstrap5',
    'ckeditor',
    'ckeditor_uploader',
    'django_cleanup.apps.CleanupConfig',
    'widget_tweaks',

    # Local apps
    'apps.core',
    'apps.properties',
    'apps.leads',
    'apps.chatbot',
    'apps.sales_updates',
    'apps.videos',
    'apps.forms',
    'apps.analytics',
    'apps.landing_pages',
    'apps.newsletter',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    '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',
    'apps.analytics.middleware.VisitorTrackingMiddleware',
]

ROOT_URLCONF = 'config.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.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
                'apps.core.context_processors.site_settings',
            ],
        },
    },
]

WSGI_APPLICATION = 'config.wsgi.application'

# Database — SQLite by default; PostgreSQL via DATABASE_URL in prod
import dj_database_url
DATABASES = {
    'default': dj_database_url.config(
        default=f'sqlite:///{BASE_DIR / "db.sqlite3"}',
        conn_max_age=600,
    )
}

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 = 'en-us'
TIME_ZONE = 'Africa/Lagos'
USE_I18N = True
USE_TZ = True

STATIC_URL = '/static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
STATICFILES_DIRS = [BASE_DIR / 'static']
STATICFILES_STORAGE = (
    'whitenoise.storage.CompressedManifestStaticFilesStorage'
    if not DEBUG
    else 'django.contrib.staticfiles.storage.StaticFilesStorage'
)

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

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

CRISPY_ALLOWED_TEMPLATE_PACKS = 'bootstrap5'
CRISPY_TEMPLATE_PACK = 'bootstrap5'

CKEDITOR_UPLOAD_PATH = 'ckeditor_uploads/'
CKEDITOR_CONFIGS = {
    'default': {
        'toolbar': 'full',
        'height': 300,
        'width': '100%',
    },
}

# Email
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend' if DEBUG else 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = env('EMAIL_HOST', default='smtp.gmail.com')
EMAIL_PORT = env.int('EMAIL_PORT', default=587)
EMAIL_HOST_USER = env('EMAIL_HOST_USER', default='')
EMAIL_HOST_PASSWORD = env('EMAIL_HOST_PASSWORD', default='')
EMAIL_USE_TLS = env.bool('EMAIL_USE_TLS', default=True)
DEFAULT_FROM_EMAIL = env('DEFAULT_FROM_EMAIL', default='noreply@tdkhomes.ng')

LOGIN_URL = '/admin-panel/login/'
LOGIN_REDIRECT_URL = '/admin-panel/'
LOGOUT_REDIRECT_URL = '/'

# Security (production)
if not DEBUG:
    SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
    SESSION_COOKIE_SECURE = True
    CSRF_COOKIE_SECURE = True
    SECURE_BROWSER_XSS_FILTER = True
    SECURE_CONTENT_TYPE_NOSNIFF = True