"""Global Settings"""
# Python imports
import os
import ssl
import certifi
from datetime import timedelta
from urllib.parse import urlparse

# Django imports
from django.core.management.utils import get_random_secret_key

# Third party imports
import dj_database_url
import sentry_sdk
from sentry_sdk.integrations.django import DjangoIntegration
from sentry_sdk.integrations.redis import RedisIntegration
from sentry_sdk.integrations.celery import CeleryIntegration

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

# Secret Key
SECRET_KEY = os.environ.get("SECRET_KEY", get_random_secret_key())

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = False

# Allowed Hosts
ALLOWED_HOSTS = ["*"]

# Application definition
INSTALLED_APPS = [
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    # Inhouse apps
    "plane.analytics",
    "plane.api",
    "plane.bgtasks",
    "plane.db",
    "plane.utils",
    "plane.web",
    "plane.middleware",
    "plane.license",
    "plane.proxy",
    # Third-party things
    "rest_framework",
    "rest_framework.authtoken",
    "rest_framework_simplejwt.token_blacklist",
    "corsheaders",
    "taggit",
    "django_celery_beat",
    "storages",
]

# Middlewares
MIDDLEWARE = [
    "corsheaders.middleware.CorsMiddleware",
    "django.middleware.security.SecurityMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
    "crum.CurrentRequestUserMiddleware",
    "django.middleware.gzip.GZipMiddleware",
    "plane.middleware.api_log_middleware.APITokenLogMiddleware",
]

# Rest Framework settings
REST_FRAMEWORK = {
    "DEFAULT_AUTHENTICATION_CLASSES": (
        "rest_framework_simplejwt.authentication.JWTAuthentication",
    ),
    "DEFAULT_PERMISSION_CLASSES": ("rest_framework.permissions.IsAuthenticated",),
    "DEFAULT_RENDERER_CLASSES": ("rest_framework.renderers.JSONRenderer",),
    "DEFAULT_FILTER_BACKENDS": ("django_filters.rest_framework.DjangoFilterBackend",),
    "DEFAULT_THROTTLE_CLASSES": ("plane.proxy.rate_limit.ApiKeyRateThrottle",),
    "DEFAULT_THROTTLE_RATES": {
        "api_key": "60/minute",
    },
}

# Django Auth Backend
AUTHENTICATION_BACKENDS = ("django.contrib.auth.backends.ModelBackend",)  # default

# Root Urls
ROOT_URLCONF = "plane.urls"

# Templates
TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [
            "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",
            ],
        },
    },
]

# Cookie Settings
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True

# CORS Settings
CORS_ALLOW_CREDENTIALS = True
cors_origins_raw = os.environ.get("CORS_ALLOWED_ORIGINS", "")
# filter out empty strings
cors_allowed_origins = [origin.strip() for origin in cors_origins_raw.split(",") if origin.strip()]
if cors_allowed_origins:
    CORS_ALLOWED_ORIGINS = cors_allowed_origins
else:
    CORS_ALLOW_ALL_ORIGINS = True

# Application Settings
WSGI_APPLICATION = "plane.wsgi.application"
ASGI_APPLICATION = "plane.asgi.application"

# Django Sites
SITE_ID = 1

# User Model
AUTH_USER_MODEL = "db.User"

# Database
if bool(os.environ.get("DATABASE_URL")):
    # Parse database configuration from $DATABASE_URL
    DATABASES = {
        "default": dj_database_url.config(),
    }
else:
    DATABASES = {
        "default": {
            "ENGINE": "django.db.backends.postgresql",
            "NAME": os.environ.get("POSTGRES_DB"),
            "USER": os.environ.get("POSTGRES_USER"),
            "PASSWORD": os.environ.get("POSTGRES_PASSWORD"),
            "HOST": os.environ.get("POSTGRES_HOST"),
        }
    }

# Redis Config
REDIS_URL = os.environ.get("REDIS_URL")
REDIS_SSL = "rediss" in REDIS_URL

if REDIS_SSL:
    CACHES = {
        "default": {
            "BACKEND": "django_redis.cache.RedisCache",
            "LOCATION": REDIS_URL,
            "OPTIONS": {
                "CLIENT_CLASS": "django_redis.client.DefaultClient",
                "CONNECTION_POOL_KWARGS": {"ssl_cert_reqs": False},
            },
        }
    }
else:
    CACHES = {
        "default": {
            "BACKEND": "django_redis.cache.RedisCache",
            "LOCATION": REDIS_URL,
            "OPTIONS": {
                "CLIENT_CLASS": "django_redis.client.DefaultClient",
            },
        }
    }

# Password validations
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",
    },
]

# Static files (CSS, JavaScript, Images)
STATIC_URL = "/static/"
STATIC_ROOT = os.path.join(BASE_DIR, "static-assets", "collected-static")
STATICFILES_DIRS = (os.path.join(BASE_DIR, "static"),)

# Media Settings
MEDIA_ROOT = "mediafiles"
MEDIA_URL = "/media/"

# Internationalization
LANGUAGE_CODE = "en-us"
USE_I18N = True
USE_L10N = True

# Timezones
USE_TZ = True
TIME_ZONE = "UTC"

# Default Auto Field
DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

# Email settings
EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend"

# Storage Settings
STORAGES = {
    "staticfiles": {
        "BACKEND": "whitenoise.storage.CompressedManifestStaticFilesStorage",
    },
}
STORAGES["default"] = {
    "BACKEND": "storages.backends.s3boto3.S3Boto3Storage",
}
AWS_ACCESS_KEY_ID = os.environ.get("AWS_ACCESS_KEY_ID", "access-key")
AWS_SECRET_ACCESS_KEY = os.environ.get("AWS_SECRET_ACCESS_KEY", "secret-key")
AWS_STORAGE_BUCKET_NAME = os.environ.get("AWS_S3_BUCKET_NAME", "uploads")
AWS_DEFAULT_ACL = "public-read"
AWS_QUERYSTRING_AUTH = False
AWS_S3_FILE_OVERWRITE = False
AWS_S3_ENDPOINT_URL = os.environ.get("AWS_S3_ENDPOINT_URL", None) or os.environ.get(
    "MINIO_ENDPOINT_URL", None
)
if AWS_S3_ENDPOINT_URL:
    parsed_url = urlparse(os.environ.get("WEB_URL", "http://localhost"))
    AWS_S3_CUSTOM_DOMAIN = f"{parsed_url.netloc}/{AWS_STORAGE_BUCKET_NAME}"
    AWS_S3_URL_PROTOCOL = f"{parsed_url.scheme}:"


# JWT Auth Configuration
SIMPLE_JWT = {
    "ACCESS_TOKEN_LIFETIME": timedelta(minutes=10080),
    "REFRESH_TOKEN_LIFETIME": timedelta(days=43200),
    "ROTATE_REFRESH_TOKENS": False,
    "BLACKLIST_AFTER_ROTATION": False,
    "UPDATE_LAST_LOGIN": False,
    "ALGORITHM": "HS256",
    "SIGNING_KEY": SECRET_KEY,
    "VERIFYING_KEY": None,
    "AUDIENCE": None,
    "ISSUER": None,
    "JWK_URL": None,
    "LEEWAY": 0,
    "AUTH_HEADER_TYPES": ("Bearer",),
    "AUTH_HEADER_NAME": "HTTP_AUTHORIZATION",
    "USER_ID_FIELD": "id",
    "USER_ID_CLAIM": "user_id",
    "USER_AUTHENTICATION_RULE": "rest_framework_simplejwt.authentication.default_user_authentication_rule",
    "AUTH_TOKEN_CLASSES": ("rest_framework_simplejwt.tokens.AccessToken",),
    "TOKEN_TYPE_CLAIM": "token_type",
    "TOKEN_USER_CLASS": "rest_framework_simplejwt.models.TokenUser",
    "JTI_CLAIM": "jti",
    "SLIDING_TOKEN_REFRESH_EXP_CLAIM": "refresh_exp",
    "SLIDING_TOKEN_LIFETIME": timedelta(minutes=5),
    "SLIDING_TOKEN_REFRESH_LIFETIME": timedelta(days=1),
}


# Celery Configuration
CELERY_TIMEZONE = TIME_ZONE
CELERY_TASK_SERIALIZER = "json"
CELERY_ACCEPT_CONTENT = ["application/json"]

if REDIS_SSL:
    redis_url = os.environ.get("REDIS_URL")
    broker_url = (
        f"{redis_url}?ssl_cert_reqs={ssl.CERT_NONE.name}&ssl_ca_certs={certifi.where()}"
    )
    CELERY_BROKER_URL = broker_url
    CELERY_RESULT_BACKEND = broker_url
else:
    CELERY_BROKER_URL = REDIS_URL
    CELERY_RESULT_BACKEND = REDIS_URL

CELERY_IMPORTS = (
    "plane.bgtasks.issue_automation_task",
    "plane.bgtasks.exporter_expired_task",
)

# Sentry Settings
# Enable Sentry Settings
if bool(os.environ.get("SENTRY_DSN", False)):
    sentry_sdk.init(
        dsn=os.environ.get("SENTRY_DSN", ""),
        integrations=[
            DjangoIntegration(),
            RedisIntegration(),
            CeleryIntegration(monitor_beat_tasks=True),
        ],
        traces_sample_rate=1,
        send_default_pii=True,
        environment=os.environ.get("SENTRY_ENVIRONMENT", "development"),
        profiles_sample_rate=1.0,
    )


# Application Envs
PROXY_BASE_URL = os.environ.get("PROXY_BASE_URL", False)  # For External
SLACK_BOT_TOKEN = os.environ.get("SLACK_BOT_TOKEN", False)
FILE_SIZE_LIMIT = int(os.environ.get("FILE_SIZE_LIMIT", 5242880))
ENABLE_SIGNUP = os.environ.get("ENABLE_SIGNUP", "1") == "1"

# Unsplash Access key
UNSPLASH_ACCESS_KEY = os.environ.get("UNSPLASH_ACCESS_KEY")
# Github Access Token
GITHUB_ACCESS_TOKEN = os.environ.get("GITHUB_ACCESS_TOKEN", False)

# Analytics
ANALYTICS_SECRET_KEY = os.environ.get("ANALYTICS_SECRET_KEY", False)
ANALYTICS_BASE_API = os.environ.get("ANALYTICS_BASE_API", False)

# Use Minio settings
USE_MINIO = int(os.environ.get("USE_MINIO", 0)) == 1