"""
Django settings for core project.

Generated by 'django-admin startproject' using Django 5.2.7.

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

# Load environment variables from .env file
load_dotenv()

# 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/5.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv('SECRET_KEY', 'django-insecure-#=y!5nkqhcn(%43@+7fbfl-_g*h(9boqyaoiww_gy@(4oslc&q')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.getenv('DEBUG', 'True').lower() in ('true', '1', 'yes')

# 1. Řekne Djangu, aby důvěřovalo hlavičce X-Forwarded-Proto
# Tato hlavička nese informaci od Traefiku, že původní požadavek byl HTTPS.
# Bez toho si Django myslí, že běží pod HTTP, což způsobuje problémy s CSRF.
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

# 2. Vynucení zabezpečených cookies
# Je nutné nastavit, jakmile Django ví, že běží pod HTTPS.
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True

ALLOWED_HOSTS = os.getenv('ALLOWED_HOSTS', 'localhost,127.0.0.1').split(',')


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    # Local apps
    'groceries'
]

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',
]

ROOT_URLCONF = 'core.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        "DIRS": [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'


# Database
# https://docs.djangoproject.com/en/5.2/ref/settings/#databases
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': os.getenv('DB_NAME', 'shopping_list'),
        'USER': os.getenv('DB_USER', 'postgres'),
        'PASSWORD': os.getenv('DB_PASSWORD', 'postgres'),
        'HOST': os.getenv('DB_HOST', 'localhost'),
        'PORT': os.getenv('DB_PORT', '5432'),
    }
}


# 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 = 'cs-cz'

TIME_ZONE = 'Europe/Prague'

USE_I18N = True

USE_TZ = True


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

STATIC_URL = 'static/'

# STATIC_URL = "/static/"

# Místa, kde má Django hledat statiky v režimu vývoje
STATICFILES_DIRS = [
    BASE_DIR / "static",  # náš projektový static/
]

# Kam se nasype výstup pro produkci (collectstatic)
STATIC_ROOT = BASE_DIR / "staticfiles"

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

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# Authentication
LOGIN_URL = 'login'
LOGIN_REDIRECT_URL = 'grocery_index'
LOGOUT_REDIRECT_URL = 'login'

# Django Browser Reload - automatické obnovení stránky při změnách (pouze pro vývoj)
# Nastavte ENABLE_BROWSER_RELOAD=True v .env pro aktivaci
ENABLE_BROWSER_RELOAD = os.getenv('ENABLE_BROWSER_RELOAD', 'False').lower() in ('true', '1', 'yes')

if ENABLE_BROWSER_RELOAD:
    INSTALLED_APPS += ["django_browser_reload"]  # type: ignore
    MIDDLEWARE += [  # type: ignore
        "django_browser_reload.middleware.BrowserReloadMiddleware",
    ]