import os

# Path helper
PROJECT_DIR = os.path.dirname(__file__)
location = lambda x: os.path.join(
    os.path.dirname(os.path.realpath(__file__)), x)

USE_TZ = True

DEBUG = True
TEMPLATE_DEBUG = True
SQL_DEBUG = True
SEND_BROKEN_LINK_EMAILS = False

ALLOWED_HOSTS = ['latest.oscarcommerce.com',
                 'sandbox.oscar.tangentlabs.co.uk',
                 'master.oscarcommerce.com']

ADMINS = (
    ('David Winterbottom', 'david.winterbottom@tangentlabs.co.uk'),
)
EMAIL_SUBJECT_PREFIX = '[Oscar sandbox] '
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'

MANAGERS = ADMINS

# Use a Sqlite database by default
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(os.path.dirname(__file__), 'db.sqlite'),
        'USER': '',
        'PASSWORD': '',
        'HOST': '',
        'PORT': '',
    }
}

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
    }
}


# Local time zone for this installation. Choices can be found here:
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# although not all choices may be available on all operating systems.
# On Unix systems, a value of None will cause Django to use the same
# timezone as the operating system.
# If running in a Windows environment this must be set to the same as your
# system time zone.
TIME_ZONE = 'Europe/London'

# Language code for this installation. All choices can be found here:
# http://www.i18nguy.com/unicode/language-identifiers.html
LANGUAGE_CODE = 'en-gb'

# This should match the locale folders in oscar/locale
LANGUAGES = (
    ('en-gb', 'English'),
    ('da', 'Danish'),
    ('de', 'German'),
    ('el', 'Greek'),
    ('en', 'English'),
    ('es', 'Spanish'),
    ('fr', 'French'),
    ('it', 'Italian'),
    ('ja', 'Japanese'),
    ('pl', 'Polish'),
    ('pt', 'Portugese'),
    ('ru', 'Russian'),
    ('sk', 'Slovakian'),
)
ROSETTA_STORAGE_CLASS = 'rosetta.storage.SessionRosettaStorage'
ROSETTA_ENABLE_TRANSLATION_SUGGESTIONS = True
ROSETTA_REQUIRES_AUTH = False

SITE_ID = 1

# If you set this to False, Django will make some optimizations so as not
# to load the internationalization machinery.
USE_I18N = True

# If you set this to False, Django will not format dates, numbers and
# calendars according to the current locale
USE_L10N = True

# Absolute path to the directory that holds media.
# Example: "/home/media/media.lawrence.com/"
MEDIA_ROOT = location("public/media")

# URL that handles the media served from MEDIA_ROOT. Make sure to use a
# trailing slash if there is a path component (optional in other cases).
# Examples: "http://media.lawrence.com", "http://example.com/media/"
MEDIA_URL = '/media/'

# URL prefix for admin media -- CSS, JavaScript and images. Make sure to use a
# trailing slash.
# Examples: "http://foo.com/media/", "/media/".
#ADMIN_MEDIA_PREFIX = '/media/admin/'

STATIC_URL = '/static/'
STATIC_ROOT = location('public/static')
STATICFILES_DIRS = (
    location('static/'),
)
STATICFILES_FINDERS = (
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
    'compressor.finders.CompressorFinder',
)

# Make this unique, and don't share it with anybody.
SECRET_KEY = '$)a7n&o80u!6y5t-+jrd3)3!%vh&shg$wqpjpxc!ar&p#!)n1a'

# List of callables that know how to import templates from various sources.
TEMPLATE_LOADERS = (
    'django.template.loaders.filesystem.Loader',
    'django.template.loaders.app_directories.Loader',
    # needed by django-treebeard for admin (and potentially other libs)
    'django.template.loaders.eggs.Loader',
)

TEMPLATE_CONTEXT_PROCESSORS = (
    "django.contrib.auth.context_processors.auth",
    "django.core.context_processors.request",
    "django.core.context_processors.debug",
    "django.core.context_processors.i18n",
    "django.core.context_processors.media",
    "django.core.context_processors.static",
    "django.contrib.messages.context_processors.messages",
    # Oscar specific
    'oscar.apps.search.context_processors.search_form',
    'oscar.apps.promotions.context_processors.promotions',
    'oscar.apps.checkout.context_processors.checkout',
    'oscar.core.context_processors.metadata',
    'oscar.apps.customer.notifications.context_processors.notifications',
)

MIDDLEWARE_CLASSES = (
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.transaction.TransactionMiddleware',
    'django.contrib.flatpages.middleware.FlatpageFallbackMiddleware',
    'debug_toolbar.middleware.DebugToolbarMiddleware',
    # Allow languages to be selected
    'django.middleware.locale.LocaleMiddleware',
    'django.middleware.common.CommonMiddleware',
    # Ensure a valid basket is added to the request instance for every request
    'oscar.apps.basket.middleware.BasketMiddleware',
    # Enable the ProfileMiddleware, then add ?cprofile to any
    # URL path to print out profile details
    #'oscar.profiling.middleware.ProfileMiddleware',
)

ROOT_URLCONF = 'urls'

# Add another path to Oscar's templates.  This allows templates to be
# customised easily.
from oscar import OSCAR_MAIN_TEMPLATE_DIR
TEMPLATE_DIRS = (
    location('templates'),
    OSCAR_MAIN_TEMPLATE_DIR,
)

# A sample logging configuration. The only tangible logging
# performed by this configuration is to send an email to
# the site admins on every HTTP 500 error.
# See http://docs.djangoproject.com/en/dev/topics/logging for
# more details on how to customize your logging configuration.
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'verbose': {
            'format': '%(levelname)s %(asctime)s %(module)s %(message)s',
        },
        'simple': {
            'format': '[%(asctime)s] %(message)s'
        },
    },
    'filters': {
        'require_debug_false': {
            '()': 'django.utils.log.RequireDebugFalse'
        }
    },
    'handlers': {
        'null': {
            'level': 'DEBUG',
            'class': 'django.utils.log.NullHandler',
        },
        'console': {
            'level': 'DEBUG',
            'class': 'logging.StreamHandler',
            'formatter': 'verbose'
        },
        'checkout_file': {
            'level': 'INFO',
            'class': 'oscar.core.logging.handlers.EnvFileHandler',
            'filename': 'checkout.log',
            'formatter': 'verbose'
        },
        'gateway_file': {
            'level': 'INFO',
            'class': 'oscar.core.logging.handlers.EnvFileHandler',
            'filename': 'gateway.log',
            'formatter': 'simple'
        },
        'error_file': {
            'level': 'INFO',
            'class': 'oscar.core.logging.handlers.EnvFileHandler',
            'filename': 'errors.log',
            'formatter': 'verbose'
        },
        'sorl_file': {
            'level': 'INFO',
            'class': 'oscar.core.logging.handlers.EnvFileHandler',
            'filename': 'sorl.log',
            'formatter': 'verbose'
        },
        'mail_admins': {
            'level': 'ERROR',
            'class': 'django.utils.log.AdminEmailHandler',
            'filters': ['require_debug_false'],
        },
    },
    'loggers': {
        'django': {
            'handlers': ['null'],
            'propagate': True,
            'level': 'INFO',
        },
        'django.request': {
            'handlers': ['mail_admins', 'error_file'],
            'level': 'ERROR',
            'propagate': False,
        },
        'oscar.checkout': {
            'handlers': ['console', 'checkout_file'],
            'propagate': False,
            'level': 'INFO',
        },
        'oscar.catalogue.import': {
            'handlers': ['console'],
            'propagate': False,
            'level': 'INFO',
        },
        'gateway': {
            'handlers': ['gateway_file'],
            'propagate': True,
            'level': 'INFO',
        },
        'sorl.thumbnail': {
            'handlers': ['sorl_file'],
            'propagate': True,
            'level': 'INFO',
        },
        'django.db.backends': {
            'handlers': ['null'],
            'propagate': False,
            'level': 'DEBUG',
        },
        # suppress output of this debug toolbar panel
        'template_timings_panel': {
            'handlers': ['null'],
            'level': 'DEBUG',
            'propagate': False,
        }
    }
}


INSTALLED_APPS = [
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.sites',
    'django.contrib.messages',
    'django.contrib.admin',
    'django.contrib.flatpages',
    'django.contrib.staticfiles',
    'django_extensions',
    # Debug toolbar + extensions
    'debug_toolbar',
    'cache_panel',
    #'template_timings_panel',
    'south',
    'rosetta',          # For i18n testing
    'compressor',
    'apps.gateway',     # For allowing dashboard access
]
from oscar import get_core_apps
INSTALLED_APPS = INSTALLED_APPS + get_core_apps()

# Add Oscar's custom auth backend so users can sign in using their email
# address.
AUTHENTICATION_BACKENDS = (
    'oscar.apps.customer.auth_backends.Emailbackend',
    'django.contrib.auth.backends.ModelBackend',
)

LOGIN_REDIRECT_URL = '/'
APPEND_SLASH = True

# Haystack settings
HAYSTACK_CONNECTIONS = {
    'default': {
        'ENGINE': 'haystack.backends.whoosh_backend.WhooshEngine',
        'PATH': os.path.join(os.path.dirname(__file__), 'whoosh_index'),
    },
}

# =============
# Debug Toolbar
# =============

INTERNAL_IPS = ('127.0.0.1',)


# Allow internal IPs to see the debug toolbar.  This is just for Tangent's QA
# department to be able to create better issues when something goes wrong.
def is_internal(request):
    ip_addr = request.META['REMOTE_ADDR']
    return ip_addr in INTERNAL_IPS or ip_addr.startswith('192.168')

DEBUG_TOOLBAR_CONFIG = {
    'INTERCEPT_REDIRECTS': False,
    'SHOW_TOOLBAR_CALLBACK': is_internal
}
DEBUG_TOOLBAR_PANELS = (
    'debug_toolbar.panels.headers.HeaderDebugPanel',
    'debug_toolbar.panels.request_vars.RequestVarsDebugPanel',
    'debug_toolbar.panels.template.TemplateDebugPanel',
    'debug_toolbar.panels.timer.TimerDebugPanel',
    'debug_toolbar.panels.sql.SQLDebugPanel',
    #'template_timings_panel.panels.TemplateTimings.TemplateTimings',
    'cache_panel.panel.CacheDebugPanel',
    'debug_toolbar.panels.signals.SignalDebugPanel',
    'debug_toolbar.panels.logger.LoggingPanel',
    'debug_toolbar.panels.version.VersionDebugPanel',
    'debug_toolbar.panels.settings_vars.SettingsVarsDebugPanel',
)

# ==============
# Oscar settings
# ==============

from oscar.defaults import *

# Meta
# ====

OSCAR_SHOP_TAGLINE = 'Sandbox'

# Enter Google Analytics ID for the tracking to be included in the templates
#GOOGLE_ANALYTICS_ID = 'UA-XXXXX-Y'

OSCAR_RECENTLY_VIEWED_PRODUCTS = 20
OSCAR_ALLOW_ANON_CHECKOUT = True

# This is added to each template context by the core context processor.  It is
# useful for test/stage/qa sites where you want to show the version of the site
# in the page title.
DISPLAY_VERSION = False


# Order processing
# ================

# Some sample order/line status settings
OSCAR_INITIAL_ORDER_STATUS = 'Pending'
OSCAR_INITIAL_LINE_STATUS = 'Pending'
OSCAR_ORDER_STATUS_PIPELINE = {
    'Pending': ('Being processed', 'Cancelled',),
    'Being processed': ('Processed', 'Cancelled',),
    'Cancelled': (),
}


# LESS/CSS/statics
# ================

# We default to using CSS files, rather than the LESS files that generate them.
# If you want to develop Oscar's CSS, then set USE_LESS=True and
# COMPRESS_ENABLED=False in your settings_local module and ensure you have
# 'lessc' installed.  You can do this by running:
#
#    pip install -r requirements_less.txt
#
# which will install node.js and less in your virtualenv.

USE_LESS = False

COMPRESS_ENABLED = True
COMPRESS_PRECOMPILERS = (
    ('text/less', 'lessc {infile} {outfile}'),
)
COMPRESS_OFFLINE_CONTEXT = {
    'STATIC_URL': 'STATIC_URL',
    'use_less': USE_LESS,
}

# We do this to work around an issue in compressor where the LESS files are
# compiled but compression isn't enabled.  When this happens, the relative URL
# is wrong between the generated CSS file and other assets:
# https://github.com/jezdez/django_compressor/issues/226
COMPRESS_OUTPUT_DIR = 'oscar'

# Logging
# =======

LOG_ROOT = location('logs')
# Ensure log root exists
if not os.path.exists(LOG_ROOT):
    os.mkdir(LOG_ROOT)

# Sorl
# ====

THUMBNAIL_DEBUG = True
THUMBNAIL_KEY_PREFIX = 'oscar-sandbox'

# Use a custom KV store to handle integrity error
THUMBNAIL_KVSTORE = 'oscar.sorl_kvstore.ConcurrentKVStore'


# Try and import local settings which can be used to override any of the above.
try:
    from settings_local import *
except ImportError:
    pass