"""
Django settings for core project.

Generated by 'django-admin startproject' using Django 6.0.2.

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/
"""

from pathlib import Path
import os

# 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 = 'django-insecure-5(p6^by%ax10=(ev#ltdb8#f4@mq4&9gqnjvr9dboc=7t_&sbf'

# читаем переменную окружения
ENV_TYPE = os.getenv('ENV_TYPE', 'local')

# Настройки безопасности
# DEBUG будет True везде, кроме сервера
DEBUG = ENV_TYPE != 'server'

if not DEBUG:
    # На сервере список хостов должен быть ограничен
    ALLOWED_HOSTS = os.environ.get('ALLOWED_HOSTS', 'localhost').split(',')
else:
    # Для разработки разрешаем всё
    ALLOWED_HOSTS = ['*']


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'polymorphic', # added app Polymorphic
    'mptt', # added app MPTT
    'bom_manager', # added app Bom Manager
    'stock', # added app Stock
]

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 = 'core.urls'

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

print(f"DEBUG: Current ENV_TYPE is {ENV_TYPE}")
# Database
# https://docs.djangoproject.com/en/6.0/ref/settings/#databases

if ENV_TYPE == 'server':
    # Для Docker на удаленном сервере (максимальная защита через .env)
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.postgresql',
            'NAME': os.getenv('DB_NAME'),
            'USER': os.getenv('DB_USER'),
            'PASSWORD': os.getenv('DB_PASS'),
            'HOST': os.getenv('DB_HOST', 'db'),
            'PORT': '5432',
        }
    }
elif ENV_TYPE == 'dev':
    # Настройки для локальной разработки с внешней БД
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.postgresql',
            'NAME': 'prodman_dev_db',
            'USER': 'dev_user',
            'PASSWORD': 'dev_password',
            'HOST': '192.168.1.90', # локальный сервер БД
            'PORT': '5432',
        }
    }
else:
    # Режим "на коленке" 
    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 = 'ru-ru'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


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

# --- Статика и Медиа ---
STATIC_URL = 'static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'

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

# Доверяем прокси-серверу передавать заголовки
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

# Список доверенных источников для CSRF (укажи свой IP и порт)
CSRF_TRUSTED_ORIGINS = [
    "http://192.168.1.57:8085",
    "https://prodman.tertelius.space", # Если будет SSL/HTTPS
    "http://prodman.tertelius.space",  # Если пока без SSL
]