"""
Django settings for config 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

BASE_DIR = Path(__file__).resolve().parent.parent
load_dotenv(BASE_DIR.parent / ".env")

SECRET_KEY = os.getenv("DJANGO_SECRET_KEY", "change-me")
DEBUG = os.getenv("DJANGO_DEBUG", "true").lower() == "true"

ALLOWED_HOSTS = [
    "127.0.0.1",
    "localhost",
    os.getenv("HOST_FQDN", ""),
]

CSRF_TRUSTED_ORIGINS = [
    origin for origin in [
        os.getenv("HOST_FQDN", ""),
        os.getenv("CSRF_TRUSTED_ORIGIN", "")
    ] if origin
]
CSRF_TRUSTED_ORIGINS = [
    f"https://{host}" if not host.startswith(("http://", "https://")) else host
    for host in CSRF_TRUSTED_ORIGINS
]

# Cookies must always be HTTPS-only; SameSite=Lax keeps CSRF working behind the proxy.
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True
SESSION_COOKIE_SAMESITE = "None"
CSRF_COOKIE_SAMESITE = "None"

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/5.2/howto/deployment/checklist/

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'core',
]

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',
    # Disable X-Frame-Options middleware to allow Flatlogic preview iframes.
    # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

X_FRAME_OPTIONS = 'ALLOWALL'

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',
                'core.context_processors.project_context',
            ],
        },
    },
]

WSGI_APPLICATION = 'config.wsgi.application'


# Database
# https://docs.djangoproject.com/en/5.2/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': os.getenv('DB_NAME', ''),
        'USER': os.getenv('DB_USER', ''),
        'PASSWORD': os.getenv('DB_PASS', ''),
        'HOST': os.getenv('DB_HOST', '127.0.0.1'),
        'PORT': os.getenv('DB_PORT', '3306'),
        'OPTIONS': {
            'charset': 'utf8mb4',
        },
    },
}


# 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 = 'en-us'

TIME_ZONE = 'UTC'

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_ROOT = BASE_DIR / 'static'

STATICFILES_DIRS = [
    BASE_DIR / 'static',
    BASE_DIR / 'assets',
    BASE_DIR / 'node_modules',
]

# Email
EMAIL_BACKEND = os.getenv(
    "EMAIL_BACKEND",
    "django.core.mail.backends.smtp.EmailBackend"
)
EMAIL_HOST = os.getenv("EMAIL_HOST", "127.0.0.1")
EMAIL_PORT = int(os.getenv("EMAIL_PORT", "587"))
EMAIL_HOST_USER = os.getenv("EMAIL_HOST_USER", "")
EMAIL_HOST_PASSWORD = os.getenv("EMAIL_HOST_PASSWORD", "")
EMAIL_USE_TLS = os.getenv("EMAIL_USE_TLS", "true").lower() == "true"
EMAIL_USE_SSL = os.getenv("EMAIL_USE_SSL", "false").lower() == "true"
DEFAULT_FROM_EMAIL = os.getenv("DEFAULT_FROM_EMAIL", "no-reply@example.com")
CONTACT_EMAIL_TO = [
    item.strip()
    for item in os.getenv("CONTACT_EMAIL_TO", DEFAULT_FROM_EMAIL).split(",")
    if item.strip()
]

# When both TLS and SSL flags are enabled, prefer SSL explicitly
if EMAIL_USE_SSL:
    EMAIL_USE_TLS = False
# Default primary key field type
# https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
