# Copyright 2017 Mirko Lelansky <mlelansky@mail.de>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Django settings for booksite project.

Generated by 'django-admin startproject' using Django 1.11.2.

For more information on this file, see
https://docs.djangoproject.com/en/1.11/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.11/ref/settings/
"""

import os
from configurations import Configuration

class Base:
    """
    This is the root configuration of all environments.
    """
    # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
    BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

    # Quick-start development settings - unsuitable for production
    # See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/

    # SECURITY WARNING: keep the secret key used in production secret!
    SECRET_KEY = os.getenv("BOOKSITE_SECRET", "TEST")

    # SECURITY WARNING: don't run with debug turned on in production!
    DEBUG = os.getenv("BOOKSITE_DEBUG", False)

    ALLOWED_HOSTS = []

    # Application definition
    INSTALLED_APPS = [
        "bookstore",
        'django.contrib.admin',
        'django.contrib.auth',
        'django.contrib.contenttypes',
        'django.contrib.sessions',
        'django.contrib.messages',
        'django.contrib.staticfiles',
    ]

    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',
    ]

    ROOT_URLCONF = 'booksite.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 = 'booksite.wsgi.application'

    # Database
    # https://docs.djangoproject.com/en/1.11/ref/settings/#databases

    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.mysql',
            'HOST': 'localhost',
            'PORT': '3306',
            'NAME': 'booksite',
            'USER': os.environ["BOOKSITE_USER"],
            'PASSWORD': os.environ["BOOKSITE_PASSWORD"],
            'OPTIONS': {
                'init_command': "SET sql_mode='STRICT_TRANS_TABLES'"
            }
        }
    }

    # Password validation
    # https://docs.djangoproject.com/en/1.11/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/1.11/topics/i18n/

    LANGUAGE_CODE = 'de'

    TIME_ZONE = 'Europe/Berlin'

    USE_I18N = True

    USE_L10N = True

    USE_TZ = True

    # Static files (CSS, JavaScript, Images)
    # https://docs.djangoproject.com/en/1.11/howto/static-files/
    STATIC_URL = '/static/'

class MemcachedPython(Base, Configuration):
    """
    This is the configuration class which use Memcached with the
    python-memcached library.
    """
    CACHES = {
        'default': {
            'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
            'LOCATION': '127.0.0.1:11211'
        }
    }

class MemcachedLibMC(Base, Configuration):
    """
    This is the configuration class which use Memcached with the
    pylibmc library.
    """
    CACHES = {
        'default': {
            'BACKEND': 'django.core.cache.backends.memcached.PyLibMCCache',
            'LOCATION': '127.0.0.1:11211'
        }
    }

class Redis(Base, Configuration):
    """
    This is the configuration class which use Redis.
    """
    CACHES = {
        'default': {
            'BACKEND': 'django_redis.cache.RedisCache',
            'LOCATION': 'redis://127.0.0.1:6379/0'
        }
    }

class Voldemort(Base, Configuration):
    """
    This is the configuration class which use Voldemort.
    """
    CACHES = {
        'default': {
            'BACKEND': 'django_voldemort.cache.VoldemortCache',
            'LOCATION': [('http://localhost:8082', 0)],
            'OPTIONS': {
                'store_name': "test1"
            }
        }
    }
