"""
Base settings to build other settings files upon.
"""
from pathlib import Path

import environ

ROOT_DIR = Path(__file__).resolve(strict=True).parent.parent.parent
# backend/
APPS_DIR = ROOT_DIR / "backend"
env = environ.Env()

READ_DOT_ENV_FILE = env.bool("DJANGO_READ_DOT_ENV_FILE", default=False)
if READ_DOT_ENV_FILE:
    # OS environment variables take precedence over variables from .env
    env.read_env(str(ROOT_DIR / ".env"))

# GENERAL
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#debug
DEBUG = env.bool("DJANGO_DEBUG", False)
# Local time zone. Choices are
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# though not all of them may be available with every OS.
# In Windows, this must be set to your system time zone.
TIME_ZONE = "{{ cookiecutter.timezone }}"
# https://docs.djangoproject.com/en/dev/ref/settings/#language-code
LANGUAGE_CODE = "en-us"
# https://docs.djangoproject.com/en/dev/ref/settings/#site-id
SITE_ID = 1
# https://docs.djangoproject.com/en/dev/ref/settings/#use-i18n
USE_I18N = True
# https://docs.djangoproject.com/en/dev/ref/settings/#use-l10n
USE_L10N = True
# https://docs.djangoproject.com/en/dev/ref/settings/#use-tz
USE_TZ = True
# https://docs.djangoproject.com/en/dev/ref/settings/#locale-paths
LOCALE_PATHS = [str(ROOT_DIR / "locale")]

# DATABASES
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#databases
DATABASES = {"default": env.db("DATABASE_URL")}

DATABASES["default"]["ATOMIC_REQUESTS"] = True
{% if cookiecutter.use_postgis == "y" %}
DATABASES["default"]["ENGINE"] = "django.contrib.gis.db.backends.postgis"
{% endif %}

# URLS
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#root-urlconf
ROOT_URLCONF = "config.urls"
# https://docs.djangoproject.com/en/dev/ref/settings/#wsgi-application
WSGI_APPLICATION = "config.wsgi.application"

# APPS
# ------------------------------------------------------------------------------
DJANGO_APPS = [
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.sites",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "django.forms",
]
THIRD_PARTY_APPS = [
    "crispy_forms",
    "allauth",
    "allauth.account",
    "allauth.socialaccount",
    # 'allauth.socialaccount.providers.facebook',
    "django_celery_beat",
    "rest_framework",
    "rest_framework.authtoken",
    "corsheaders",
]

LOCAL_APPS = [
    "backend.rest_auth",
    "backend.rest_auth.registration",
    "backend.users.apps.UsersConfig",
    'backend.articles.apps.ArticlesConfig',
    'backend.core.apps.CoreConfig',
    'backend.profiles.apps.ProfilesConfig',
]
# https://docs.djangoproject.com/en/dev/ref/settings/#installed-apps
INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS

# MIGRATIONS
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#migration-modules
MIGRATION_MODULES = {"sites": "backend.contrib.sites.migrations"}

# AUTHENTICATION
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#authentication-backends
AUTHENTICATION_BACKENDS = [
    "django.contrib.auth.backends.ModelBackend",
    "allauth.account.auth_backends.AuthenticationBackend",
]
# https://docs.djangoproject.com/en/dev/ref/settings/#auth-user-model
AUTH_USER_MODEL = "users.User"
# https://docs.djangoproject.com/en/dev/ref/settings/#login-redirect-url
# LOGIN_REDIRECT_URL = "users:redirect" # NEWRM
# https://docs.djangoproject.com/en/dev/ref/settings/#login-url
LOGIN_URL = "account_login"

# PASSWORDS
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#password-hashers
PASSWORD_HASHERS = [
    # https://docs.djangoproject.com/en/dev/topics/auth/passwords/#using-argon2-with-django
    "django.contrib.auth.hashers.Argon2PasswordHasher",
    "django.contrib.auth.hashers.PBKDF2PasswordHasher",
    "django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher",
    "django.contrib.auth.hashers.BCryptSHA256PasswordHasher",
]
# https://docs.djangoproject.com/en/dev/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"},
]

# MIDDLEWARE
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#middleware
MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "corsheaders.middleware.CorsMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.locale.LocaleMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.common.BrokenLinkEmailsMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

# STATIC
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#static-root
STATIC_ROOT = str(ROOT_DIR / "staticfiles")
# https://docs.djangoproject.com/en/dev/ref/settings/#static-url
STATIC_URL = "/static/"
# https://docs.djangoproject.com/en/dev/ref/contrib/staticfiles/#std:setting-STATICFILES_DIRS
STATICFILES_DIRS = [str(APPS_DIR / "static")]
# https://docs.djangoproject.com/en/dev/ref/contrib/staticfiles/#staticfiles-finders
STATICFILES_FINDERS = [
    "django.contrib.staticfiles.finders.FileSystemFinder",
    "django.contrib.staticfiles.finders.AppDirectoriesFinder",
]

# MEDIA
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#media-root
MEDIA_ROOT = str(APPS_DIR / "media")
# https://docs.djangoproject.com/en/dev/ref/settings/#media-url
MEDIA_URL = "/media/"

# TEMPLATES
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#templates
TEMPLATES = [
    {
        # https://docs.djangoproject.com/en/dev/ref/settings/#std:setting-TEMPLATES-BACKEND
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        # https://docs.djangoproject.com/en/dev/ref/settings/#template-dirs
        "DIRS": [str(APPS_DIR / "templates")],
        "OPTIONS": {
            # https://docs.djangoproject.com/en/dev/ref/settings/#template-loaders
            # https://docs.djangoproject.com/en/dev/ref/templates/api/#loader-types
            "loaders": [
                "django.template.loaders.filesystem.Loader",
                "django.template.loaders.app_directories.Loader",
            ],
            # https://docs.djangoproject.com/en/dev/ref/settings/#template-context-processors
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.template.context_processors.i18n",
                "django.template.context_processors.media",
                "django.template.context_processors.static",
                "django.template.context_processors.tz",
                "django.contrib.messages.context_processors.messages",
                "backend.utils.context_processors.settings_context",
            ],
        },
    }
]
# https://docs.djangoproject.com/en/dev/ref/settings/#form-renderer
FORM_RENDERER = "django.forms.renderers.TemplatesSetting"
# http://django-crispy-forms.readthedocs.io/en/latest/install.html#template-packs
CRISPY_TEMPLATE_PACK = "bootstrap4"

# FIXTURES
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#fixture-dirs
FIXTURE_DIRS = (str(APPS_DIR / "fixtures"),)

# SECURITY
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#session-cookie-httponly
SESSION_COOKIE_HTTPONLY = True
# https://docs.djangoproject.com/en/dev/ref/settings/#csrf-cookie-httponly
CSRF_COOKIE_HTTPONLY = True
# https://docs.djangoproject.com/en/dev/ref/settings/#secure-browser-xss-filter
SECURE_BROWSER_XSS_FILTER = True
# https://docs.djangoproject.com/en/dev/ref/settings/#x-frame-options
X_FRAME_OPTIONS = "DENY"

# EMAIL
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#email-backend
EMAIL_BACKEND = env(
    "DJANGO_EMAIL_BACKEND",
    default="django.core.mail.backends.smtp.EmailBackend",
)
# https://docs.djangoproject.com/en/dev/ref/settings/#email-timeout
EMAIL_TIMEOUT = 5

# LOGGING
# ------------------------------------------------------------------------------
# https://docs.djangoproject.com/en/dev/ref/settings/#logging
# See https://docs.djangoproject.com/en/dev/topics/logging for
# more details on how to customize your logging configuration.
LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "verbose": {
            "format": "%(levelname)s %(asctime)s %(module)s "
            "%(process)d %(thread)d %(message)s"
        }
    },
    "handlers": {
        "console": {
            "level": "DEBUG",
            "class": "logging.StreamHandler",
            "formatter": "verbose",
        }
    },
    "root": {"level": "INFO", "handlers": ["console"]},
}

# Celery
# ------------------------------------------------------------------------------
if USE_TZ:
    # http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-timezone
    CELERY_TIMEZONE = TIME_ZONE
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-broker_url
CELERY_BROKER_URL = env("CELERY_BROKER_URL")
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-result_backend
CELERY_RESULT_BACKEND = CELERY_BROKER_URL
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-accept_content
CELERY_ACCEPT_CONTENT = ["json"]
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-task_serializer
CELERY_TASK_SERIALIZER = "json"
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-result_serializer
CELERY_RESULT_SERIALIZER = "json"
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#task-time-limit
# TODO: set to whatever value is adequate in your circumstances
CELERY_TASK_TIME_LIMIT = 5 * 60
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#task-soft-time-limit
# TODO: set to whatever value is adequate in your circumstances
CELERY_TASK_SOFT_TIME_LIMIT = 60
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#beat-scheduler
CELERY_BEAT_SCHEDULER = "django_celery_beat.schedulers:DatabaseScheduler"

# django-allauth
# ------------------------------------------------------------------------------
ACCOUNT_ALLOW_REGISTRATION = env.bool("DJANGO_ACCOUNT_ALLOW_REGISTRATION", True)
# https://django-allauth.readthedocs.io/en/latest/configuration.html
ACCOUNT_AUTHENTICATION_METHOD = "email"
# https://django-allauth.readthedocs.io/en/latest/configuration.html
ACCOUNT_EMAIL_REQUIRED = True
# https://django-allauth.readthedocs.io/en/latest/configuration.html
ACCOUNT_EMAIL_VERIFICATION = "mandatory"
# https://django-allauth.readthedocs.io/en/latest/configuration.html
ACCOUNT_ADAPTER = "backend.users.adapters.AccountAdapter"
# https://django-allauth.readthedocs.io/en/latest/configuration.html
SOCIALACCOUNT_ADAPTER = "backend.users.adapters.SocialAccountAdapter"
# Personal Pet Peeves
LOGOUT_ON_PASSWORD_CHANGE = False
ACCOUNT_LOGIN_ON_EMAIL_CONFIRMATION = True
ACCOUNT_SIGNUP_PASSWORD_ENTER_TWICE = False


# django-rest-framework
# -------------------------------------------------------------------------------
# django-rest-framework - https://www.django-rest-framework.org/api-guide/settings/
REST_FRAMEWORK = {
    'EXCEPTION_HANDLER': 'backend.core.exceptions.core_exception_handler',
    'NON_FIELD_ERRORS_KEY': 'error',
    "DEFAULT_AUTHENTICATION_CLASSES": (
        "rest_framework.authentication.SessionAuthentication",
        "rest_framework.authentication.TokenAuthentication",
        'backend.rest_auth.jwt_auth.JWTCookieAuthentication',
    ),
    "DEFAULT_PERMISSION_CLASSES": ("rest_framework.permissions.IsAuthenticated",),
    'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema',
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
    'PAGE_SIZE': 20,
}

# django-cors-headers - https://github.com/adamchainz/django-cors-headers#setup
CORS_URLS_REGEX = r"^/api/.*$"
CORS_ORIGIN_WHITELIST = (
    'https://{{cookiecutter.domain_name}}',
    'http://0.0.0.0:3000',
    'http://localhost:3000',
)

# django rest authentication
# -------------------------------------------------------------------------------
REST_SESSION_LOGIN = True 
REST_USE_JWT = True 
JWT_AUTH_COOKIE = 'auth-cookie'
JWT_AUTH_REFRESH_COOKIE = 'auth-refresh-cookie'