"""
Django settings for config project — Production Ready.
"""

import os
from pathlib import Path
from dotenv import load_dotenv

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

# Load .env file (for local dev & production secrets)
load_dotenv(BASE_DIR / '.env')

# ─── Security ────────────────────────────────────
SECRET_KEY = os.environ.get('SECRET_KEY', 'django-insecure-8)*vak904rwdwwlt66zgmwefnda9yt#^#*$117sh!ex8ke=^_i')
DEBUG = os.environ.get('DEBUG', 'False') == 'True'

ALLOWED_HOSTS = [
    'atef-khalil.tafraweb.com',
    'www.atef-khalil.tafraweb.com',
    '127.0.0.1',
    'localhost',
]

# ─── Installed Apps ───────────────────────────────
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'corsheaders',
    'rest_framework',
    'core',
]

# ─── Middleware ───────────────────────────────────
MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'config.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}

# ─── 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'},
]

# ─── Internationalisation ─────────────────────────
LANGUAGE_CODE = 'ar'
TIME_ZONE = 'Africa/Cairo'
USE_I18N = True
USE_TZ = True

# ─── Static & Media Files ─────────────────────────
STATIC_URL = '/static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'

# محركات البحث عن الملفات (مهمة للوحة الإدارة)
STATICFILES_FINDERS = [
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
]

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

# ─── Auth ─────────────────────────────────────────
AUTH_USER_MODEL = 'core.User'
CORS_ALLOW_ALL_ORIGINS = True
LOGIN_URL = '/login/'
LOGIN_REDIRECT_URL = '/'
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# ─── Production Security (only when DEBUG=False) ──
if not DEBUG:
    SECURE_BROWSER_XSS_FILTER = True
    X_FRAME_OPTIONS = 'DENY'
    SECURE_CONTENT_TYPE_NOSNIFF = True
    # تعليق مؤقت حتى يعمل SSL بشكل صحيح على الهوست
    # SESSION_COOKIE_SECURE = True
    # CSRF_COOKIE_SECURE = True
    # SECURE_SSL_REDIRECT = True
    # SECURE_HSTS_SECONDS = 31536000
    # SECURE_HSTS_INCLUDE_SUBDOMAINS = True