"""
Django settings for config project.

Generated by 'django-admin startproject' using Django 6.0.6.

For more information on this file, see
https://docs.djangoproject.com/en/6.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/6.0/ref/settings/
"""

import os
from pathlib import Path

# 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/6.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv('DJANGO_SECRET_KEY', 'dev-only-change-me')

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

ALLOWED_HOSTS = [host.strip() for host in os.getenv('DJANGO_ALLOWED_HOSTS', 'localhost,127.0.0.1').split(',') if host.strip()]


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'corsheaders',
    'rest_framework',
    'deals',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'corsheaders.middleware.CorsMiddleware',
    '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 = '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
# https://docs.djangoproject.com/en/6.0/ref/settings/#databases

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


# Password validation
# https://docs.djangoproject.com/en/6.0/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/6.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'Asia/Kolkata'

USE_I18N = True

USE_TZ = True

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/6.0/howto/static-files/

STATIC_URL = '/static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
MEDIA_URL = os.getenv('DJANGO_MEDIA_URL', '/media/')
MEDIA_ROOT = Path(os.getenv('DJANGO_MEDIA_ROOT', str(BASE_DIR / 'media')))
STORAGES = {
    'default': {'BACKEND': 'django.core.files.storage.FileSystemStorage'},
    'staticfiles': {'BACKEND': 'whitenoise.storage.CompressedManifestStaticFilesStorage'},
}

CORS_ALLOWED_ORIGINS = [origin.strip() for origin in os.getenv(
    'CORS_ALLOWED_ORIGINS', 'http://localhost:3000,http://127.0.0.1:3000'
).split(',') if origin.strip()]
CORS_ALLOW_ALL_ORIGINS = DEBUG

CSRF_TRUSTED_ORIGINS = [origin.strip() for origin in os.getenv(
    'CSRF_TRUSTED_ORIGINS', 'http://localhost:3000,http://127.0.0.1:3000'
).split(',') if origin.strip()]

REST_FRAMEWORK = {
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 20,
}

SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

if not DEBUG:
    SECURE_SSL_REDIRECT = os.getenv('DJANGO_SECURE_SSL_REDIRECT', 'true').lower() == 'true'
    SECURE_HSTS_SECONDS = int(os.getenv('DJANGO_SECURE_HSTS_SECONDS', '31536000'))
    SESSION_COOKIE_SECURE = True
    CSRF_COOKIE_SECURE = True
    SECURE_CONTENT_TYPE_NOSNIFF = True
    SECURE_REFERRER_POLICY = 'strict-origin-when-cross-origin'