from pathlib import Path

from autosecretkey import AutoSecretKey

from django.urls import reverse_lazy

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

ASK = AutoSecretKey(BASE_DIR / 'settings.ini')
SECRET_KEY = ASK.secret_key

CONFIG = ASK.config

DEBUG = CONFIG.get('KumiSystems', 'Debug', fallback=False)

HOST = CONFIG.get('KumiSystems', 'Host', fallback='localhost')
ALLOWED_HOSTS = [HOST]
CSRF_TRUSTED_ORIGINS = [f"https://{HOST}"]

SITE_ID = CONFIG.getint('KumiSystems', 'SiteID', fallback=1)

# Application definition

INSTALLED_APPS = [
    'djangocms_admin_style',  # Must be listed before 'django.contrib.admin'

    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    # Required for Django CMS:
    # https://docs.django-cms.org/en/latest/how_to/install.html#installed-apps

    'django.contrib.sites',
    'cms',
    'menus',
    'treebeard',
    'sekizai',
    'filer',
    'easy_thumbnails',
    'mptt',
    'djangocms_text_ckeditor',
    'djangocms_link',
    'djangocms_file',
    'djangocms_picture',
    'djangocms_video',
    'djangocms_snippet',
    'djangocms_style',

    # Optional for OpenID Connect:

    'mozilla_django_oidc',
]

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',

    # Required for Django CMS:
    # https://docs.django-cms.org/en/latest/how_to/install.html#middleware

    'django.middleware.locale.LocaleMiddleware',
    'cms.middleware.utils.ApphookReloadMiddleware',
    'cms.middleware.user.CurrentUserMiddleware',
    'cms.middleware.page.CurrentPageMiddleware',
    'cms.middleware.toolbar.ToolbarMiddleware',
    'cms.middleware.language.LanguageCookieMiddleware',
]

ROOT_URLCONF = 'kumisystems.urls'

WSGI_APPLICATION = 'kumisystems.wsgi.application'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'frontend/templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',

                # Required for Django CMS:
                # https://docs.django-cms.org/en/latest/how_to/install.html#sekizai
                # https://docs.django-cms.org/en/latest/how_to/install.html#context-processors

                'django.template.context_processors.i18n',
                'sekizai.context_processors.sekizai',
                'cms.context_processors.cms_settings',
            ],
        },
    },
]

CMS_TEMPLATES = [
    ('default.html', 'Standard page template'),
    ('home.html', 'Home page template'),
]

# Database
# https://docs.djangoproject.com/en/4.2/ref/settings/#databases

if "MySQL" in CONFIG:
    DATABASES = {
        'default': {
            'ENGINE': 'mysql.connector.django',
            'NAME': CONFIG.get("MySQL", "Database"),
            'USER': CONFIG.get("MySQL", "Username"),
            'PASSWORD': CONFIG.get("MySQL", "Password"),
            'HOST': CONFIG.get("MySQL", "Host", fallback="localhost"),
            'PORT': CONFIG.getint("MySQL", "Port", fallback=3306),
            'OPTIONS': {
                'charset': 'utf8mb4',
                'sql_mode': 'traditional',
            }
        }
    }

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

# Password validation
# https://docs.djangoproject.com/en/4.2/ref/settings/#auth-password-validators

USE_OIDC = False

if "OIDC" in CONFIG:
    USE_OIDC = True

    AUTHENTICATION_BACKENDS = [
        'kumisystems.auth.OIDCBackend',
    ]

    LOGIN_URL = reverse_lazy("oidc_authentication_init")

    OIDC_NAME = CONFIG.get("OIDC", "Name", fallback="OIDC")
    OIDC_RP_CLIENT_ID = CONFIG["OIDC"]["ClientID"]
    OIDC_RP_CLIENT_SECRET = CONFIG["OIDC"]["ClientSecret"]
    OIDC_OP_JWKS_ENDPOINT = CONFIG["OIDC"]["JWKS"]
    OIDC_OP_AUTHORIZATION_ENDPOINT = CONFIG["OIDC"]["Authorization"]
    OIDC_OP_TOKEN_ENDPOINT = CONFIG["OIDC"]["Token"]
    OIDC_OP_USER_ENDPOINT = CONFIG["OIDC"]["UserInfo"]
    OIDC_CREATE_USER = CONFIG.getboolean("OIDC", "CreateUsers", fallback=False)
    OIDC_RP_SIGN_ALGO = CONFIG.get("OIDC", "Algorithm", fallback="RS256")

    MIDDLEWARE.append("mozilla_django_oidc.middleware.SessionRefresh")


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/4.2/topics/i18n/
# https://docs.django-cms.org/en/latest/how_to/install.html#language-settings

LANGUAGE_CODE = 'en'

LANGUAGES = [
    ('en', 'English'),
    ('de', 'German'),
]

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images) and media files (user uploads)
# https://docs.djangoproject.com/en/4.2/howto/static-files/
# https://docs.djangoproject.com/en/4.2/topics/files/

STATIC_URL = 'static/'

STATIC_ROOT = CONFIG.get(
    "KumiSystems", "StaticRoot", fallback=BASE_DIR / "static")

STATICFILES_DIRS = [
    BASE_DIR / "frontend/static",
]

MEDIA_URL = 'media/'

MEDIA_ROOT = CONFIG.get(
    "KumiSystems", "MediaRoot", fallback=BASE_DIR / "media")

LOGIN_REDIRECT_URL = '/'
LOGOUT_REDIRECT_URL = "/"

if "S3" in CONFIG:
    DEFAULT_FILE_STORAGE = 'storages.backends.s3boto3.S3Boto3Storage'
    STATICFILES_STORAGE = 'storages.backends.s3boto3.S3StaticStorage'
    AWS_ACCESS_KEY_ID = CONFIG.get("S3", "AccessKey")
    AWS_SECRET_ACCESS_KEY = CONFIG.get("S3", "SecretKey")
    AWS_STORAGE_BUCKET_NAME = CONFIG.get("S3", "Bucket")
    AWS_S3_ENDPOINT_URL = CONFIG.get("S3", "Endpoint")

# Easy Thumbnails settings

THUMBNAIL_HIGH_RESOLUTION = True

THUMBNAIL_PROCESSORS = (
    'easy_thumbnails.processors.colorspace',
    'easy_thumbnails.processors.autocrop',
    'filer.thumbnail_processors.scale_and_crop_with_subject_location',
    'easy_thumbnails.processors.filters'
)

# Default primary key field type
# https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# Django CMS settings

X_FRAME_OPTIONS = 'SAMEORIGIN'