"""Pylons environment configuration"""

import os

import logging

import rhodecode

from mako.lookup import TemplateLookup

from pylons.configuration import PylonsConfig

from pylons.error import handle_mako_error

# don't remove this import it does magic for celery

from rhodecode.lib import celerypylons

import rhodecode.lib.app_globals as app_globals

from rhodecode.config.routing import make_map

from rhodecode.lib import helpers

from rhodecode.lib.auth import set_available_permissions

from rhodecode.lib.utils import repo2db_mapper, make_ui, set_rhodecode_config,\

    load_rcextensions

from rhodecode.lib.utils2 import engine_from_config, str2bool

from rhodecode.model import init_model

from rhodecode.model.scm import ScmModel

log = logging.getLogger(__name__)

def load_environment(global_conf, app_conf, initial=False):

    """

    Configure the Pylons environment via the ``pylons.config``

    object

    """

    config = PylonsConfig()

    # Pylons paths

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

    paths = dict(

        root=root,

        controllers=os.path.join(root, 'controllers'),

        static_files=os.path.join(root, 'public'),

        templates=[os.path.join(root, 'templates')]

    )

    # Initialize config with the basic options

    config.init_app(global_conf, app_conf, package='rhodecode', paths=paths)

    # store some globals into rhodecode

    rhodecode.CELERY_ON = str2bool(config['app_conf'].get('use_celery'))

    rhodecode.CELERY_EAGER = str2bool(config['app_conf'].get('celery.always.eager'))

    config['routes.map'] = make_map(config)

    config['pylons.app_globals'] = app_globals.Globals(config)

    config['pylons.h'] = helpers

    rhodecode.CONFIG = config

    load_rcextensions(root_path=config['here'])

    # Setup cache object as early as possible

    import pylons

    pylons.cache._push_object(config['pylons.app_globals'].cache)

    # Create the Mako TemplateLookup, with the default auto-escaping

    config['pylons.app_globals'].mako_lookup = TemplateLookup(

        directories=paths['templates'],

        error_handler=handle_mako_error,

        module_directory=os.path.join(app_conf['cache_dir'], 'templates'),

        input_encoding='utf-8', default_filters=['escape'],

        imports=['from webhelpers.html import escape'])

    # sets the c attribute access when don't existing attribute are accessed

    config['pylons.strict_tmpl_context'] = True

    test = os.path.split(config['__file__'])[-1] == 'test.ini'

    if test:

        if os.environ.get('TEST_DB'):

            # swap config if we pass enviroment variable

            config['sqlalchemy.db1.url'] = os.environ.get('TEST_DB')

        from rhodecode.lib.utils import create_test_env, create_test_index

        from rhodecode.tests import  TESTS_TMP_PATH

        create_test_env(TESTS_TMP_PATH, config)

        create_test_index(TESTS_TMP_PATH, config, True)

    # MULTIPLE DB configs

    # Setup the SQLAlchemy database engine

    sa_engine_db1 = engine_from_config(config, 'sqlalchemy.db1.')

    init_model(sa_engine_db1)

    repos_path = make_ui('db').configitems('paths')[0][1]

    repo2db_mapper(ScmModel().repo_scan(repos_path),

    set_available_permissions(config)

    config['base_path'] = repos_path

    set_rhodecode_config(config)

    # CONFIGURATION OPTIONS HERE (note: all config options will override

    # any Pylons config options)

    # store config reference into our module to skip import magic of

    # pylons

    rhodecode.CONFIG.update(config)

    return config