"""
Django settings for oj project.

Generated by 'django-admin startproject' using Django 1.11.

For more information on this file, see
https://docs.djangoproject.com/en/1.8/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.8/ref/settings/
"""
import os
from copy import deepcopy

if os.environ.get("OJ_ENV") == "production":
    from .production_settings import *
else:
    from .dev_settings import *

from .custom_settings import *

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

# Applications
VENDOR_APPS = (
    'django.contrib.auth',
    'django.contrib.sessions',
    'django.contrib.contenttypes',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
)
LOCAL_APPS = (
    'account',
    'announcement',
    'conf',
    'problem',
    'contest',
    'utils',
    'submission',
    'options',
    'judge',
)

INSTALLED_APPS = VENDOR_APPS + LOCAL_APPS

MIDDLEWARE_CLASSES = (
    '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',
    'django.middleware.security.SecurityMiddleware',
    'account.middleware.AdminRoleRequiredMiddleware',
    'account.middleware.SessionRecordMiddleware',
    # 'account.middleware.LogSqlMiddleware',
)
ROOT_URLCONF = 'oj.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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',
            ],
        },
    },
]
WSGI_APPLICATION = 'oj.wsgi.application'

# Password validation
# https://docs.djangoproject.com/en/1.9/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/1.8/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.8/howto/static-files/

STATIC_URL = '/static/'

AUTH_USER_MODEL = 'account.User'

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'standard': {
            'format': '%(asctime)s [%(threadName)s:%(thread)d] [%(name)s:%(lineno)d] [%(module)s:%(funcName)s] [%(levelname)s]- %(message)s',
            'datefmt': '%Y-%m-%d %H:%M:%S'
        }
    },
    'handlers': {
        'django_error': {
            'level': 'WARNING',
            'class': 'logging.handlers.RotatingFileHandler',
            'filename': os.path.join(LOG_PATH, 'django.log'),
            'formatter': 'standard'
        },
        'app_info': {
            'level': 'INFO',
            'class': 'logging.handlers.RotatingFileHandler',
            'filename': os.path.join(LOG_PATH, 'app_info.log'),
            'formatter': 'standard'
        },
        'console': {
            'level': 'DEBUG',
            'class': 'logging.StreamHandler',
            'formatter': 'standard'
        }
    },
    'loggers': {
        'django.request': {
            'handlers': ['django_error', 'console'],
            'level': 'WARNING',
            'propagate': True,
        },
        'django.db.backends': {
            'handlers': ['django_error', 'console'],
            'level': 'WARNING',
            'propagate': True,
        },
    },
}
app_logger = {
    'handlers': ['app_info', 'console'],
    'level': 'DEBUG',
    'propagate': False
}
LOGGING["loggers"].update({app: deepcopy(app_logger) for app in LOCAL_APPS})

REST_FRAMEWORK = {
    'TEST_REQUEST_DEFAULT_FORMAT': 'json',
    'DEFAULT_RENDERER_CLASSES': (
        'rest_framework.renderers.JSONRenderer',
    )
}

REDIS_URL = "redis://%s:%s" % (REDIS_CONF["host"], REDIS_CONF["port"])


def redis_config(db):
    def make_key(key, key_prefix, version):
        return key

    return {
        "BACKEND": "utils.cache.MyRedisCache",
        "LOCATION": f"{REDIS_URL}/{db}",
        "TIMEOUT": None,
        "KEY_PREFIX": "",
        "KEY_FUNCTION": make_key
    }


CACHES = {
    "default": redis_config(db=1)
}

SESSION_ENGINE = "django.contrib.sessions.backends.cache"
SESSION_CACHE_ALIAS = "default"

CELERY_RESULT_BACKEND = f"{REDIS_URL}/2"
BROKER_URL = f"{REDIS_URL}/3"
CELERY_TASK_SOFT_TIME_LIMIT = CELERY_TASK_TIME_LIMIT = 180
CELERY_ACCEPT_CONTENT = ["json"]
CELERY_TASK_SERIALIZER = "json"

# 用于限制用户恶意提交大量代码
TOKEN_BUCKET_DEFAULT_CAPACITY = 20

# 单位:每分钟
TOKEN_BUCKET_FILL_RATE = 2