# coding: utf-8

from __future__ import unicode_literals
import os

import django
from django.conf import settings


DATABASES = {
    'sqlite3': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': 'cachalot.sqlite3',
    },
    'postgresql': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'NAME': 'cachalot',
        'USER': 'cachalot',
        'HOST': 'localhost',
        'PORT': '5432',
    },
    'mysql': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'cachalot',
        'USER': 'root',
    },
}
for alias in DATABASES:
    test_db_name = 'test_' + DATABASES[alias]['NAME']
    if django.VERSION < (1, 7):
        DATABASES[alias]['TEST_NAME'] = test_db_name
    else:
        DATABASES[alias]['TEST'] = {'NAME': test_db_name}

DEFAULT_DATABASE_KEY = os.environ.get('DB_ENGINE', 'sqlite3')
DATABASES['default'] = DATABASES.pop(DEFAULT_DATABASE_KEY)

CACHES = {
    'locmem': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
    },
    'redis': {
        'BACKEND': 'redis_cache.cache.RedisCache',
        'LOCATION': '127.0.0.1:6379:0',
    },
    'memcached': {
        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
        'LOCATION': '127.0.0.1:11211',
    },
}
DEFAULT_CACHE_KEY = os.environ.get('CACHE_BACKEND', 'locmem')
CACHES['default'] = CACHES.pop(DEFAULT_CACHE_KEY)

INSTALLED_APPS = [
    'cachalot',
    'django.contrib.auth',
    'django.contrib.contenttypes',
]
if django.VERSION < (1, 7):
    INSTALLED_APPS.append('south')


def configure():
    settings.configure(
        INSTALLED_APPS=INSTALLED_APPS,
        DATABASES=DATABASES,
        CACHES=CACHES,
        MIDDLEWARE_CLASSES=(),
        PASSWORD_HASHERS=('django.contrib.auth.hashers.MD5PasswordHasher',),
    )

    if django.VERSION[:2] >= (1, 7):
        django.setup()